WO2006013979A1 - 送信機、受信機、通信システム、通信方法、通信プログラム - Google Patents
送信機、受信機、通信システム、通信方法、通信プログラム Download PDFInfo
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- WO2006013979A1 WO2006013979A1 PCT/JP2005/014446 JP2005014446W WO2006013979A1 WO 2006013979 A1 WO2006013979 A1 WO 2006013979A1 JP 2005014446 W JP2005014446 W JP 2005014446W WO 2006013979 A1 WO2006013979 A1 WO 2006013979A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/283—Processing of data at an internetworking point of a home automation network
- H04L12/2834—Switching of information between an external network and a home network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
- H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L2012/284—Home automation networks characterised by the type of medium used
- H04L2012/2841—Wireless
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L2012/2847—Home automation networks characterised by the type of home appliance used
- H04L2012/2849—Audio/video appliances
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
Definitions
- the present invention relates to a transmitter, a receiver, a communication system, a communication method, and a communication program that establish a connection and perform wireless or wired communication.
- CCD Charge Coupled Device
- PDAs Personal Digital Assistants
- video can be easily obtained from a portable device to other display devices, printing devices, recording devices, other portable devices, and electronic devices such as personal computers without requiring physical connection or medium replacement.
- One way to transfer files is through wireless communication, especially using infrared.
- the infrared communication system includes IrDA (Infrared Data Association).
- IrDA Infrared Data Association
- prior arts such as the following documents 1 to 5.
- communication methods such as IrDA and wireless LAN have been defined by strictly defining the data link layer (link layer also means the same), transport layer, application layer, etc. in order to support flexible communication.
- Link layer also means the same
- negotiation and retransmitted Furthermore, with regard to the negotiation of connection establishment in the conventional Ir DA, it is assumed that there are many devices to be connected, and those that require many sequences in order to emphasize that they are connected equally. Met.
- retransmission confirmation at the link layer or the MAC layer that is a part of the link layer is usually performed for each packet.
- the personal computer (PC) performs multiple transmissions. Most other devices use single transmission.
- Infrared light used for infrared communication such as IrDA is directional, so communication between communication devices If there is a shield, data transfer is impossible. If the line of sight between communication devices is good, high-speed data transfer is possible.
- the IrD A standard includes Very FastlR (VFIR) with a maximum transfer rate of 16 Mbps, FastlR (FIR) with 4 Mbps, and SIR (Serial Infra Red) with 115.2 kbps.
- VFIR Very FastlR
- FIR FastlR
- SIR Serial Infra Red
- FIG. 27 shows an outline of a procedure until the data transfer state is established in the IrDA standard which is one of the infrared communication standards.
- establishment of the data transfer state means that data such as an image or a document desired to be transferred can be transferred.
- the primary station is a station that first searches for a communication partner, that is, a station that requests establishment of a data transfer state, and is a station that transmits a station discovery command (XID command).
- the secondary station is a station that accepts the request and is a station that transmits a station discovery response (XID response) in response to a station discovery command.
- a request (command) from the primary station to the secondary station is called a command, and conversely, a response from the secondary station to the primary station for that command is called a response.
- the XID command is a command for searching for a station that can become a secondary station within a communicable distance from the primary station.
- SlotNumber represents how many commands are sent.
- the primary station informs the secondary station of setting values required for communication, such as communication speed and data size, using the SNRM command.
- the secondary station that received the command compares it with its own set value and informs the primary station of the acceptable set value using the UA response.
- the number of XID command packets transmitted from the primary station is often selected as 1, 6, 8, or 15 power.
- the slot number is set to 0 for the first 8th power.
- After sending 8 XID commands send an XID command with a SlotNumber of 255, which has the meaning of termination, and notify the secondary station that is the partner station that the XID command is completed. In other words, 9 XID commands are required when 8 are used.
- the transmission interval between packets is 25 to 85 msec.
- the IrDA standard stipulates that the XID command and XID response are performed at a transfer rate of 9600 bps in conformity with SIR. The transfer rate is very slow compared to 4 Mbps, which is the data frame transfer rate described later. In addition, since sending multiple XIDs as described above, the response is not always returned immediately, and there is a blank period of 500 ms after sending 2 to 16 XIDs, the XID command And it takes longer time to send and receive XID responses.
- connection partner device is searched, and the data link layer is ready for connection between the primary station and the secondary station.
- Figure 29 shows the correlation between data pulses and data for the 4-level PPM method. 500ns force 2 Divided into 4 times every 5ns, and the data pulse represents 2 bits of information according to its time position. As shown in the figure, (1), (2), (3) and (4) show information of 00, 01, 10 and 11, respectively.
- FIG. 30 shows an Ir DA standard frame.
- the IrDA standard frame consists of a preamble field, start flag, address field, control field, data field, FCS, and stop flag. Of these fields, the preamble field is used by the receiving side to generate a receiving clock for use in the receiving circuit.
- the FCS includes error detection codes and error correction codes for error detection.
- the frame includes an I (Information) frame used for information transfer, an S (Supervisory) frame for communication monitoring and control, and a U (Unnumbered) frame used for connection and disconnection in communication. is there. Information for identifying these I, S, and U frames is included in the control field.
- I Information
- S Supervisory
- U Unnumbered
- the I frame has the data to be transmitted in the data field, and has a serial number used to check for missing data, thereby achieving highly reliable communication.
- the S frame does not have a data field to hold data! /, Becomes a structure! /, And is used to transmit reception ready, busy status, retransmission request, etc.
- U-frames do not have numbers like I-frames, so they are called unnumbered frames. Used to set up, disconnect, report responses and abnormal conditions, and establish or disconnect data links.
- FIG. 31 is a sequence diagram for explaining a general procedure in the communication method.
- Station A sends a SNRM frame to station B, requesting establishment of data transfer status.
- station B Upon receiving this message, station B returns a DM frame if communication is impossible, and returns a UA frame indicating consent if communication is possible.
- the SNRM frame, DM frame, and UA frame are all U frames.
- station B returns a UA frame, both stations are in a data transfer state and data transfer is possible.
- station A transmits an I frame with the number “0” assigned to the first data frame.
- station B Upon receiving this, station B returns a response frame (data transfer request frame) with the number “1” next to “0”, and transmits the message “send the first data”.
- the response frame is an S frame called an RR frame.
- Station A confirms the response frame of station B and sends an I frame containing the first segmented data. By repeating this procedure as many times as necessary, communication accuracy in multiple I-frame communications can be improved.
- station A when transmission of all I frames is completed, station A attempts to terminate the communication connection, and transmits a DISC frame indicating a disconnection request to station B, which is a U frame. Then, when station B returns a UA frame indicating acceptance, the connection is disconnected and the communication connection is disconnected. In addition, if there is a problem such as a communication error in any station, the station disconnects the communication connection by issuing a disconnect request.
- the infrared interface of the communication device is at a certain angle ( ⁇ 15 ° in the IrDA standard) or a certain distance. If the distance is more than 20cm or lm depending on the standard of IrDA, even if you have a highly reliable communication method, you will not be able to communicate on the way.
- station discovery and information exchange take time, and it is frequently confirmed that data transmission / reception is performed between the transmitter and the receiver during data transfer. Therefore, the transfer efficiency is reduced. As a result, in IrDA infrared communication, There is a problem that the transfer time becomes long and there is a high probability that communication will not be possible in the middle.
- An object of the present invention is to provide a transmitter, a receiver, a communication system, a communication method, and a communication program that can establish a connection in a short time.
- the transmitter of the present invention is a transmitter that establishes communication with a plurality of communication layers with a receiver and performs communication, and includes a plurality of adjacent communication layers.
- a request generation unit that generates a connection request including a command and data necessary for the connection, and a request transmission unit that transmits the connection request to the receiver.
- the receiver of the present invention is a receiver that establishes communication of a plurality of communication layers with a transmitter and performs communication, and includes a command required for connection of a plurality of adjacent communication layers and A request receiving unit that receives a connection request including data from a transmitter; a connection establishment unit that extracts a command and data from the connection request and establishes a connection of each communication layer based on the command and data; .
- the communication system of the present invention is a communication system including a transmitter and a receiver that perform communication by establishing connection of a plurality of communication layers with each other.
- a request generation unit that generates a connection request including a command and data necessary for connection in the communication layer, and a request transmission unit that transmits the connection request to a receiver, and the receiver includes a plurality of adjacent communication layers.
- a request receiving unit that receives a connection request including a command and data necessary for the connection from the transmitter, and a command and data are extracted from the connection request, and a connection of each communication layer is established based on the command and data.
- a connection establishment unit for establishing the connection.
- the time required to establish a connection can be shortened compared to a protocol that transmits a connection request for each communication layer as in the case of conventional IrDA. Therefore, even if it is disconnected in the middle of data exchange, it is possible to reconnect and resume data exchange in a short time.
- the communication system of the present invention can be similarly configured for other requests such as a disconnection request for disconnecting a connection.
- FIG. 1 (a)] is a sequence diagram showing a data transfer method using a conventional IrDA protocol.
- FIG. 1 (b) is a sequence diagram showing a data transfer method using communication function 1 according to an embodiment of the data transfer system and the data transfer method of the present invention.
- FIG. 2 is a configuration diagram showing the data transfer system including a mobile device and a display device which is an electronic device.
- FIG. 3 is a configuration diagram showing the data transfer system including a mobile device and a printing apparatus that is an electronic device.
- FIG. 4 is a configuration diagram showing the data transfer system including a portable device and a recording device which is an electronic device.
- FIG. 5 is a configuration diagram showing the data transfer system including a mobile device and a personal computer which is an electronic device.
- FIG. 6 is a configuration diagram showing the data transfer system including a mobile device and another mobile device that is an electronic device.
- FIG. 7 is a block diagram showing a transmitting device of the portable device.
- FIG. 8 is a block diagram showing a receiving device of the recording apparatus.
- FIG. 9 (a) is a sequence diagram showing a data transfer method using a conventional IrDA protocol.
- FIG. 9 (b) is a sequence diagram showing a data transfer method by communication function 4.
- FIG. 10 (a) is a sequence diagram showing a data transfer method using a conventional IrDA protocol.
- FIG. 10 (b) is a sequence diagram showing a data transfer method by communication function 7.
- FIG. 10 (c) is a sequence diagram showing a data transfer method by communication function 8.
- FIG. 11 (a) is a sequence diagram for establishing a connection used in communication functions 1 and 7.
- FIG. 11 (b) is a sequence diagram of connection establishment used in communication functions 2 and 8.
- FIG. 11 (c) This is a packet format for connection establishment used in communication functions 1, 2, 7, and 8. The lower response packet is not used for communication functions 2 and 8.
- FIG. 12 is a sequence diagram showing another embodiment of the data transfer system and the data transfer method according to the present invention.
- FIG. 15 is a diagram showing patterns of tone signals transmitted and received between a transmitting device and a receiving device.
- FIG. 16 (a) shows still another embodiment of the data transfer system and data transfer method according to the present invention, and shows the success of data transfer when the electronic device is a display device. It is explanatory drawing which shows a receiving device state.
- FIG. 16 (b) shows still another embodiment of the data transfer system and data transfer method according to the present invention, and shows the data transfer failure when the electronic device is a display device. It is explanatory drawing which shows a receiving device state.
- FIG. 16 (c) shows still another embodiment of the data transfer system and data transfer method according to the present invention, and shows the success or failure of data transfer when the electronic device is a display device. It is explanatory drawing which shows all the receiving apparatus states.
- FIG. 17 (a) is an explanatory diagram showing a receiving device state regarding a successful data transfer when the electronic device is a printing device, according to the data transfer system and the data transfer method thereof.
- FIG. 17 (b) An explanatory view showing a receiving device state regarding unsuccessful data transfer when the electronic device is a printing device, according to the data transfer system and the data transfer method thereof. It is.
- FIG. 17 (c) is an explanatory diagram showing a receiving device state regarding unsuccessful data transfer when the electronic device is a printing device, according to the data transfer system and its data transfer method.
- FIG. 18 (a) is an explanatory diagram showing a receiving device state regarding a successful data transfer when the electronic device is a recording device, according to the data transfer system and the data transfer method thereof.
- FIG. 18 (b) is an explanatory diagram showing a receiving device state regarding unsuccessful data transfer when the electronic device is a recording device, according to the data transfer system and the data transfer method thereof.
- FIG. 18C is an explanatory diagram showing a receiving device state regarding unsuccessful data transfer when the electronic device is a recording device, according to the data transfer system and the data transfer method thereof.
- FIG. 19 (a) is an explanatory diagram showing a receiving device state regarding a successful data transfer when the electronic device is a personal computer, according to the data transfer system and its data transfer method.
- FIG. 19 (b) is an explanatory diagram showing a receiving device state regarding unsuccessful data transfer when the electronic device is a personal computer, according to the data transfer system and its data transfer method.
- FIG. 19 (c) is an explanatory diagram showing a receiving device state regarding unsuccessful data transfer when the electronic device is a personal computer in the data transfer system and its data transfer method.
- FIG. 20 (a) is an explanatory diagram showing a receiving device state regarding a successful data transfer when the electronic device is another portable device, according to the data transfer system and the data transfer method thereof.
- FIG. 20B is an explanatory diagram showing a receiving device state regarding unsuccessful data transfer when the electronic device is another portable device according to the data transfer system and the data transfer method thereof.
- FIG. 20 (c) is an explanatory diagram showing a receiving device state regarding unsuccessful data transfer when the electronic device is another portable device, according to the data transfer system and the data transfer method thereof.
- FIG. 21 shows still another embodiment of the data transfer system according to the present invention, and is a block diagram showing a configuration of a recording apparatus.
- FIG. 22 is an explanatory diagram showing a state in which information data and a hierarchical structure of the data are displayed in association with each other on the display device of the recording device in the data transfer system.
- FIG. 24 is an explanatory diagram showing a state in which an image, which is information data that has also received mobile phone power, is added to the hierarchical structure of the data.
- FIG. 26 is an explanatory diagram showing a state where wireless communication is performed between the recording device and the display device in the data transfer system.
- FIG. 27 is a sequence diagram showing a procedure until a data transfer state in the IrDA standard is established.
- FIG. 28 is a configuration diagram of frames exchanged between devices until a data transfer state in the IrDA standard is established.
- FIG. 29 is a diagram showing the correlation between data pulses and data for the 4PPM system.
- FIG. 30 is a diagram showing an IrDA standard frame.
- FIG. 31 is a sequence diagram for explaining a general procedure of data transfer in the IrDA standard.
- FIG. 32 (a) is a diagram showing an IrDA data exchange sequence.
- FIG. 32 (b) is a diagram showing a data exchange sequence used in communication functions 4 and 7.
- FIG. 32 (c) is a diagram showing a data exchange sequence used in communication functions 4 and 7.
- FIG. 33 (a) is a diagram showing a data exchange sequence used in communication functions 5 and 8.
- FIG. 33 (a) is a diagram showing a data exchange sequence used in communication functions 5 and 8.
- FIG. 33 (b) is a diagram showing a data exchange sequence used in communication functions 5 and 8.
- FIG. 34 is a schematic diagram showing the correspondence between the OSI7 hierarchical model, the IrDA hierarchy, and the hierarchy of the present invention.
- FIG. 35 (a) is a diagram showing a packet format used in data exchange used in IrDA.
- FIG. 35 (b) is a diagram showing a packet format used in the data exchange of the present invention.
- FIG. 36 (a) is a diagram showing an IrDA cutting sequence.
- FIG. 36 (b) is a diagram showing a packet format used for the IrDA disconnection sequence.
- ⁇ 37 (a)] is a diagram showing a disconnection sequence when connected by communication functions 1 and 7.
- FIG. 37 is a diagram showing a disconnection sequence when connected by communication functions 2 and 8.
- FIG. 37 (c) This is the packet format of the disconnection sequence when connected with communication functions 1, 2, 7, and 8. The lower response packet is not used when communication functions 2 and 8 are used.
- FIG. 38 is a sequence diagram showing functions (commands, messages) and packet flows between layers during an IrDA connection sequence.
- FIG. 39 is a sequence diagram showing the flow of functions (commands, messages) and packets between layers in the communication function 1 and 7 connection sequence.
- FIG. 40 (a) is an explanatory diagram showing a change in data in a function between layers indicated by right-pointing arrows in FIGS. 39 and 41 in the connection sequence of communication functions 1, 2, 7, and 8.
- FIG. 40 (b) A diagram showing data changes in the functions between the layers indicated by the left-pointing arrows of communication functions 1 and 7.
- FIG. 41 is a sequence diagram showing the flow of functions (commands and messages) and packets between layers during the connection sequence of communication functions 2 and 8.
- FIG. 42 is a sequence diagram showing functions (commands, messages) and packet flows between layers during IrDA data exchange.
- FIG. 43 is a sequence diagram showing functions (commands, messages) and packet flows between layers during data exchange of communication functions 4 and 7.
- FIG. 44 is a diagram showing changes in data in functions between layers in FIGS. 43 and 45 when data is exchanged in communication functions 4, 5, 7, and 8.
- FIG. 45 is a sequence diagram showing functions (commands, messages) and packet flows between layers during data exchange of communication functions 5 and 8;
- FIG. 46 is a sequence diagram showing functions (commands, messages) and flow of packets between layers during an IrDA disconnect sequence.
- FIG. 47 is a sequence diagram showing the flow of functions (commands, messages) and packets between layers during the disconnection sequence of communication functions 1 and 7;
- FIG. 48 (a) is an explanatory diagram showing changes in data in the functions between the layers indicated by the arrows pointing to the right in FIGS. 47 and 49 during the disconnection sequence of communication functions 1, 2, 7, and 8.
- FIG. 48 (b) is an explanatory diagram showing changes in data in the functions between the layers indicated by the left-pointing arrows of communication functions 1 and 7.
- FIG. 49 is a sequence diagram showing the flow of functions (commands, messages) and packets between layers during the disconnection sequence of communication functions 2 and 8.
- FIG. 50 is a schematic diagram showing connection request function data and connection parameter passing in the primary station of communication functions 1, 2, 7, and 8.
- FIG. 51 is a schematic diagram showing connection parameter transfer of a connection request function in a secondary station of communication functions 1, 2, 7, and 8.
- FIG. 52 is a schematic diagram showing connection confirmation function data and connection parameter exchange at the secondary station of communication functions 1, 7 and communication function 1, 2, 7, 8 at the secondary station.
- FIG. 53 is a schematic diagram showing data transfer of a connection response function in the secondary station of communication functions 1 and 7;
- FIG. 54 is a schematic diagram showing delivery of connection parameters of the connection confirmation function in the primary station of communication functions 2 and 8.
- ⁇ 55 Schematic diagram showing connection request function data and connection parameter passing in the primary station of communication functions 1, 2, 7, and 8 when connection parameters are shared between layers, which is a modification of the embodiment It is.
- connection request function data and connection parameters in the primary station of 1, 2, 7, 8 It is a schematic diagram showing delivery of.
- FIG. 58 is a functional block diagram showing a configuration example of a communication system according to an embodiment.
- the communication layers of a device having only IrDA, a device having the configuration of IrDA and the present invention, and a device having only the configuration of the present invention are shown according to the OSI7 hierarchy.
- Communication function 1 to the communication function 9 are used in the following meaning.
- Communication function 1 is a shortened connection sequence (with response).
- Communication function 2 is a shortened connection sequence (no response).
- Communication function 3 has a conventional connection sequence (for example, IrDA).
- Communication function 4 has a small number of packet retransmission processes (response is present).
- Communication function 5 has a small number of packet retransmissions (no response).
- the communication function 6 is a conventional packet transmission method (for example, IrDA).
- Communication function 7 includes both communication function 1 and communication function 4.
- Communication function 8 includes both communication function 2 and communication function 5.
- Communication function 9 includes both communication function 3 and communication function 6.
- Embodiment 1 of the present invention will be described with reference to FIGS.
- the data transfer system of the present embodiment includes a portable device as a first device such as a mobile phone and an electronic device as a second device such as a display device.
- a portable device as a first device such as a mobile phone
- an electronic device as a second device such as a display device.
- Select any file recorded on the recording medium of the band device such as video file, image data, program information and document data (hereinafter simply referred to as “data”) and send it to the infrared interface of the electronic device
- the electronic device receives the received data.
- this electronic device is not limited to a display device, for example, a printing device shown in FIG. 3, a DVD (Digital Video Disk) recorder, a CD (Compact Disk) recorder, an HDD (Hard Disk Drive: No.
- the present invention can also be applied to a portable device such as a mobile phone having the.
- the first device is a portable device such as a mobile phone.
- the first device is not limited to this, and the first device may be a display device, a printing device, a recording device, a personal computer, or the like.
- An electronic device having a recording medium can be provided.
- the portable device and the electronic device described above include a transmission device for performing data transmission, and the transmission device 1 includes a CPU 11, a memory 12, a controller 13, as shown in FIG. And a transmission unit 14 as a wireless communication interface.
- the CPU 11 performs a predetermined calculation process in response to a user instruction input to an operation unit (not shown).
- the predetermined calculation process includes a transfer data transfer process.
- the CPU 11 Upon receiving the transfer data transfer instruction from the operation unit, the CPU 11 stores the transfer data to be transferred in the memory 12 and issues a transfer request to the controller 13.
- the CPU 11 receives a transmission end notification indicating the end of transmission of transfer data from the controller 13, the CPU 11 completes the transfer process.
- the memory 12 primarily stores transfer data to be transferred, and the transfer data is written by the CPU 11.
- the memory 12 has a function as storage means for storing programs and data for realizing various communication functions.
- the various communication functions refer to the following communication functions 1 to 8.
- the controller 13 controls transfer of transfer data in response to a transfer request from the CPU 11, and includes a control unit 131, a data packet generation unit 132, and an error detection / correction code addition unit 133.
- the control unit 131 Upon receiving a transfer request from the CPU 11, the control unit 131 reads the transfer data from the memory 12, sends the read transfer data to the data packet generation unit 132, and transmits the data packet.
- the packet generator 132 generates a plurality of data packets.
- the control unit 131 controls the packet length and packet interval generated by the data packet generation unit 132.
- the control unit 131 controls the packet length below the maximum packet length for which the data capacity that can be detected by the error detection / correction code adding unit 133 (to be described later) is also obtained.
- control unit 131 detects that all data packets corresponding to the transfer data read from the memory 12 have been transmitted from the transmission unit 14, and indicates that transmission of the transfer data has ended. Send an end notification to CPU11.
- Data packet generation unit 132 divides the transfer data received from control unit 131 to generate a plurality of data packets. At this time, the data packet generation unit 132 divides the transfer data so as to have the packet length received from the control unit 131, and generates divided data (1). Then, the data packet generating unit 132 generates a data packet including each piece of divided data as information. That is, the data packet generation unit 132 generates a data packet ( ⁇ ) including the data packet (1) including the divided data (1), ..., and the divided data ( ⁇ ). Note that the transfer rate of the data packet generated by the data packet generation unit 132 is controlled by the control unit 131.
- the data packet generation unit 132 converts the generated plurality of packets into an error detection and correction code addition unit.
- the data packet generation unit 132 sets the time interval between the data packets to be the packet interval received from the control unit 131.
- each data packet includes a preamble field, a start flag, an address field, a control field, a data field, an FCS, and a stop flag.
- Error detection / correction code adding section 133 adds an error detection code or a correction code to the data packet generated by data packet generating section 132 and sends the data packet to subsequent transmission section 14.
- the error detection / correction code adding unit 133 includes the error detection code or the correction code in the FCS in the data packet.
- the error detection code (see Document 2) is a cyclic code such as a CRC (Cyclic Redundancy Check) code, and the correction code is a parity check code, a Hamming code, a Reed-Solomon code, or the like. BCH code or the like.
- the CRC code has a certain length. The amount of data that can detect an error is limited by the length.
- CRC code has a length of 16 bits, 32 bits, etc. Depending on its length, for example, if it is 16 bits, 100% of 1-bit errors in data up to 2048 bytes can be detected. I'll do it.
- the transmission unit 14 transmits a plurality of packets received from the controller 13 to the outside at predetermined time intervals via the infrared communication path.
- the electronic device of the present embodiment includes a receiving device for receiving data, and this receiving device 2 will be described with reference to FIG.
- the receiving device 2 includes a CPU 21, a memory 22, a controller 23, and a CDR2.
- the receiving unit 25 receives the packet transmitted from the transmitting device 1 via the infrared communication path.
- the received packet is sent to CDR24.
- the CDR 24 extracts (replicates) a clock signal and a data signal from a received signal based on the received packet.
- the CDR 24 sends the rectified clock signal and data signal to the controller 23.
- the controller 23 performs predetermined control processing based on the packet received from the CDR 24.
- the controller 23 includes a control unit 231, a packet processing unit 232, and an error detection and correction circuit.
- the packet processing unit 232 receives the packet recovered by the CDR 24, and detects a start flag and a stop flag from the received packet. Then, the packet processing unit 232 extracts the data field and the FCS part. That is, the packet processing unit 232 extracts information included in the data field of the packet received by the receiving unit 25 and an error detection code or correction code for the information. The packet processing unit 232 sends the extracted information and the error detection code or correction code to the control unit 231 and the error detection / correction circuit 233.
- the packet processing unit 232 when receiving a data packet, extracts data included in the data packet and an error detection code or correction code, and controls the extracted data and the error detection code or correction code. To the unit 231 and the error detection and correction circuit 233. The error detection and correction circuit 233 performs error detection or correction on the received information and sends the result to the control unit 231.
- the control unit 231 performs a predetermined process according to the result sent from the error detection / correction circuit 233. That is, when the result from the error detection / correction circuit 233 indicates that there is no error (error) in the divided data, the control unit 231 writes the data to the memory 22 and notifies the CPU 21 of the reception completion. . On the other hand, if the result from the error detection / correction circuit 233 indicates that there is an error in the data, the control unit 231 discards the data and notifies the CPU 21 that there is a reception error. .
- the memory 22 stores data received by the receiving unit 25, and data is written by the control unit 231. Further, the present embodiment has a function as a storage means for storing programs and data for realizing various communication functions.
- the various communication functions are the same as the transmission device 1, at least one of the communication functions 1 and 2, and the communication function 3, or at least one of the communication functions 4 and 5, and the communication function 6, Or at least one of the communication functions 7 and 8 and the communication function 9.
- the communication functions 3, 6, and 9 are the IrD A protocol as described above.
- the CPU 21 causes the display unit (not shown) to display an image corresponding to the generated image data, for example, based on the data written in the memory 22.
- the IrD A protocol as the communication function 3 uses the XID command that is a station discovery command as shown in Fig. 1 (a). Packet exchange of the Z response is performed.
- the receiving device 2 that is a partner communicating with the transmitting device 1 that is held in hand is within a range that is visible to the user.
- the user instead of exchanging packets of the XID command Z response, which is a station discovery command, the user recognizes the receiving device and performs the transmission operation.
- an electronic device that is a counterpart device that communicates with the transmitting device 1 that is a portable device can be determined. That is, at the start of communication, search for the partner device and the partner
- packet exchange for station discovery commands can be omitted, reducing the time spent on file communication. be able to.
- the time required for station discovery by the IrDA protocol is usually about 3 to 4 seconds, so the overall time required for file communication can be reduced accordingly.
- parameters necessary for sending a file can be determined in advance.
- the primary station outputs a declared connect command that describes only the parameter to be changed in advance, and if it is not described in the secondary station, it is a predetermined value. Recognize and return with a response that describes the negotiated parameters against the parameters of your station. If the secondary station is the same as the predetermined value, the parameter need not be described in the response. If the primary station does not describe it in the received response, the primary station recognizes it as a predetermined value and can communicate with the parameter.
- the primary station side outputs a connection command including a parameter that does not require a response from the secondary station side.
- the secondary station that receives the connection command does not return a command response, prepares to accept data with the declared parameters, and then the primary station outputs the data. This further shortens the procedure.
- a method can be adopted in which all items are determined in advance and data communication is started without transmitting a connect packet from the primary station.
- IrDA In the protocol, this information exchange, etc., involves exchanging packets several to dozens of times and takes about 1 to 2 seconds. By omitting the device information to be exchanged, one or two packets can be exchanged, and the time required can be reduced to about 100 ms.
- connection parameters Even if the application parameters are not determined, it is also possible to send the application parameters simultaneously with the connection packet.
- Fig. 11 (a) by sending the connection parameters of the data link layer followed by the parameters above the data link layer, the upper layer (network layer, transport layer, session layer, etc.) An example that can be connected is shown.
- An example of a connection packet is shown in Fig. 11 (c).
- the device information to be exchanged is omitted, that is, only the minimum connection parameters and whether or not the response is necessary are exchanged at the start of communication, and other parameters use fixed values in advance, or
- the overall time required for file communication can be further shortened, as shown in Fig. 1 (b).
- communication function 4 or communication function 5 is employed so that data retransmission processing is not performed! / ⁇ or the number of retransmission requests is reduced.
- FIG. 32 (a) shows the IrD A retransmission procedure.
- the receiver After transmitting data, the receiver returns a lower layer response (LAP), and then the transmitter again transfers the transmission right to the receiver (RR), and then the receiver is the upper layer (OBEX). After sending back the response, the next sequence is sent and the next sequence is performed.
- LAP lower layer response
- OBEX upper layer
- FIG. 32 (b) shows the normal system operation of the present invention used in communication function 4 or communication function 7, and FIG. 32 (c) shows the operation when the error of the present invention occurs.
- the transmitter assigns a sequence number to the packet, and after sending a set number of packets, gives the receiver the right to transmit, and asks the receiver whether the data is a problem.
- the receiver notifies the transmitter that it has been received normally when it is OK (when it detects and does not detect an error), and when it detects an error, it receives the data portion after the powerful packet that cannot be received. Is ignored, only the part of the transmission right transfer is confirmed, and the packet number that could not be received after receiving the transmission right transfer is notified.
- An error in this case means that a part of the data in the packet has been damaged by CRC, or that the sequence number is skipped.
- the transmitter When the transmitter receives OK, it transmits from the next packet. If you receive a notification (packet number) that an error has occurred, the data sent earlier will also be retransmitted.
- Fig. 33 (a) shows the normal operation of the present invention used in communication function 5 or 8
- Fig. 33 (b) shows the operation when an error of the present invention occurs.
- the transmitter assigns a sequence number to the packet and transmits all data continuously.
- the receiver only checks to see if there is an error and if everything is received correctly After receiving all the data, the receiver recognizes that the reception is normal and performs the following operation. The next operation in this case is to display, print, or save the received data, for example.
- the receiver recognizes that it has failed to receive normally and performs the following operation.
- the next operation in this case is an indicator to inform the user that the failure has occurred or a state of waiting for the next reception.
- the communication time is 1/10 to 1/17.
- the communication time is about 5 seconds
- the user may turn the mobile device in a different direction during communication, or give up that the communication is not possible. If the interval is about 0.5 seconds, the data communication is completed while the mobile device is turned and the transmission process is being performed, so the communication is very easy to understand and can be performed immediately.
- the data transfer system and the data transfer method include the transmission unit 14 and the reception unit 25 as a wireless communication interface and the recording medium (memory 12 22) for storing data.
- Mobile device and a wireless communication interface including a transmitter 14 and a receiver 25, and an electronic device for recording data.
- the mobile device and the electronic device search for the other device at the start of communication, and at the same time exchange communication parameters required for connection (memory 12 and 22) and communication means for controlling communication.
- Controllers 13 and 23 are provided as control means, and both controllers 13 and 23 transfer data between the portable device and the electronic device using the communication functions 1 and 2.
- the station discovery command (XID command in IrDA) is not sent just for searching for the other device at the start of communication, and the parameters necessary for search and connection are held.
- Communication between portable devices and electronic devices is performed using communication functions 1 and 2 that output packets with both command and function.
- the parameters necessary for connection exchanged in communication function 2 are set to initial values that should be fixed in advance. Or send the connection packet including the connection parameters or commands of the upper layer.
- connection time it is possible to further increase the connection time by using a fixed value set in advance as a parameter necessary for connection, or by using an upper layer parameter or command included in one connection packet. Can be shortened. Therefore, it is possible to reduce the probability of communication failure when the angle between devices becomes a certain angle or more, or when the distance becomes a certain distance or more.
- the initial value here refers to, for example, the data link layer
- Baud Rate 4Mbps, 115kbps, 9600bps
- the upper layer command indicates, for example, an OBEX Connect command and a response such as its success.
- the mobile device and the electronic device do not perform data retransmission processing even if an error occurs in data during communication, or many continuous Communication function to reduce the number of error processing, such as performing error processing once for every data transmission, and memory 12 and 22 as storage means to store data and functions to realize data communication, and communication control to control communication Controllers 13 and 23 are provided as means, and these controllers 13 and 23 transfer data between the portable device and the electronic device by using the communication functions 4 and 5.
- the mobile device and the electronic device have the communication function 7 or the communication function 2 having both the communication function 1 and the communication function 4.
- a memory 12 and 22 as storage means for storing a program and data for realizing the communication function 8 having both functions of the communication function 5 and a controller 13 and 23 as communication control means for controlling communication are provided. These controllers 13 and 23 transfer data between portable devices and electronic devices using communication functions 7 and 8.
- the wireless communication is infrared (IR) communication.
- the angle between the devices may be more than a certain angle, or the distance may be more than a certain distance.
- the probability of communication failure can be reduced.
- FIGS. Configurations other than those described in the present embodiment are the same as those in the first embodiment. Also, for convenience of explanation, members having the same functions as those shown in the drawings of Embodiment 1 are given the same reference numerals, and explanation thereof is omitted.
- Fig. 10 (b) the communication function 7 is used to reduce the connection procedure and reduce the response from the receiver side. By communicating, the data transmission function on the receiver side can be made unnecessary. In normal data communication, one-way communication is difficult to use because it is unknown whether data has arrived reliably, but as in the present invention, the user sends a mobile phone power still image, and the result is There is no particular problem in applications that are difficult to see.
- Figure 10 (c) shows the communication sequence in only one direction. The packet structure is the same as Fig. 10 (b)! /.
- Fig. 11 (a) and Fig. 11 (b) show a connection-only sequence of this embodiment, and Fig. 11 (c) shows the structure of the connection packet. In this case, the lower response packet in Fig. 11 (c) is not used.
- FIG. 34 is a schematic diagram showing the correspondence between the OSI 7 hierarchical model, the IrDA hierarchy, and the hierarchy of the communication system according to the present invention.
- OSI 7 layer model is also called “OSI basic reference model” or “OSI hierarchical model”.
- the communication functions that a computer should have are divided into seven layers, and standard function modules are defined for each layer.
- the first layer physical layer
- the second layer data link layer
- the third layer network layer
- the fourth layer transport layer
- the fifth layer establishes and releases virtual routes (connections) for communication programs to send and receive data.
- the sixth layer converts the data received from the fifth layer into a format that is easy for the user to distribute, and converts the data sent from the seventh layer into a format suitable for communication.
- the seventh layer application layer
- Each communication layer of the communication system according to the present embodiment also has a function equivalent to the corresponding layer of the OSI 7 layer model.
- the above communication system has a 6-layer structure with one session layer and one presentation layer.
- the present invention is widely applicable to communication systems in which a transmitter and a receiver establish communication of a plurality of communication layers and perform communication.
- the division of communication functions may not follow the OSI 7 layer model.
- the number of communication layers can be arbitrarily selected if there are multiple communication layers to be connected.
- the present invention reduces the time required for connection by collecting connection requests of a plurality of communication layers, so that reconnection is easy even when the communication path is disconnected. Therefore, the present invention is particularly suitable for wireless communication using, for example, infrared rays, which easily cuts the communication path. However, the present invention is also effective in IEEE802.il wireless, other wireless communication including Bluetooth, and wired communication.
- connections of all communication layers are connected by one communication
- the present invention is not limited to this.
- the remaining plurality of communication layers may be connected.
- one communication layer may be connected by a plurality of communications. For example, if the network layer connection requires two communications, the data link layer connection and the network layer first connection are combined into one connection request, and the network layer second connection and the transport layer are combined. Connection to a single connection It may be summarized in a Taest.
- IrSimple is an application example of the present invention.
- the present invention is not limited to IrSimple.
- IrSimple is an improvement on some of the functions of conventional IrDA.
- the data link layer, network layer, transport layer, session layer + presentation layer may be denoted as LAP, LAMP, SMP, and OBEX, respectively.
- LAP the data link layer of the transmitter.
- FIG. 27 is a sequence diagram showing a conventional IrDA connection sequence.
- FIG. 28 is an explanatory diagram showing a data structure of communication data in a conventional IrDA connection sequence.
- the conventional IrDA uses the XID command to search for the target device to be connected. Search is used to determine whether or not the other device is within range. At this time, the device that receives this XID command uses the global address (Global) for the Destination Device Address so that this XID command can be received (XID command in Fig. 28).
- the receiver that has received the XID command returns an XID response. At this time, enter the Source Device Address of the XID command in the DID Response Device (XID response in Fig. 28).
- the transmitter sends an SNRM command to connect the data link layer.
- the source device address of the XID response is sent into the Destination Device Address of the SNRM command so that only the detected device can be connected and sent with the necessary parameters.
- the receiver returns a UA response with the parameters required for connection. Data link layer in this flow The connection of is terminated.
- the upper layers such as the network layer, the transport layer, the session layer, and the presentation layer are connected.
- FIG. 11 (a) is a sequence diagram showing a connection sequence of the present embodiment (response is sent).
- FIG. 11 (c) is an explanatory diagram showing the data structure of communication data in the connection sequence of the present embodiment (response is sent).
- the SNRM command can have the same function as the search by using the global address for the SNRM Destination Device Address (Fig. 11 (c)). SNRM command).
- the parameters and commands necessary for connection of the upper layer such as the network layer, transport layer, session layer, and presentation layer are entered.
- the connection packets for connecting each higher layer which was necessary with conventional IrDA, into one packet.
- the search and connection sequence which conventionally required a plurality of packets, can be performed with one packet pair.
- FIG. 11 (b) is a sequence diagram showing a connection sequence of the present embodiment (no response is sent).
- FIG. 11 (c) is an explanatory diagram showing the data structure of communication data in the connection sequence of the present embodiment (no response is sent). This embodiment (no response
- a communication method that omits the response from the receiver can be selected.
- Fig. 11 (b) it can be assumed that the search and connection are completed only with the SNRM command.
- FIG. 32 (a) is a sequence diagram showing a conventional IrDA data exchange sequence.
- FIG. 35 (a) is an explanatory diagram showing a data structure of communication data in a conventional IrD A data exchange sequence.
- Ns contains the number managed by the transmitter, and Nr contains the number managed by the receiver.
- the data link layer (LAP layer) uses this number to prevent retransmission and packet loss.
- FIGS. 32 (b) and 32 (c) are sequence diagrams showing the data exchange sequence of the present embodiment (response is sent).
- FIG. 35 (b) is an explanatory diagram showing the data structure of communication data in the data exchange sequence of the present embodiment (response is sent).
- the response of the lower layer and the upper layer is reduced as much as possible between each piece of data, and a response indicating whether there was an error or helpless after sending a lot of data is returned.
- the transmitter was constructed with a sequential packet number and a flag for asking if there was a problem with the received data during data communication, and divided data obtained by dividing the data according to the packet size. Use packets.
- the transmitter transmits a packet with the flag turned on after transmitting a predetermined number of packets.
- the receiver receives a packet from the beginning of the previous data or when the above flag is turned on and sends a reply, and if it does not detect an error, it indicates that it has been received normally. Notify the transmitter.
- the receiver detects an error from the beginning of the previous data, or after receiving a packet with the above flag turned on and sending a reply, the receiver receives the packet after the powerful packet that cannot be received.
- the above divided data part is ignored, only the above flag is checked, and the above flag is on
- a strong packet number that cannot be received due to an error is notified to the transmitter.
- the transmitter when the transmitter receives a message indicating that it has been normally received, the transmitter transmits from the next packet. When the transmitter receives a notification that an error has occurred, it retransmits from the packet number that could not be received to the packet with the flag turned on.
- a UI frame is used in the present embodiment (with a response). For this reason, the data link layer (LAP layer) cannot recognize missing packets and detects them in the transport layer.
- LAP layer data link layer
- the data part of the UI frame transport layer is provided with a sequential number, a data confirmation flag, a flag indicating whether the data is the last packet, and whether the received data is normal. Send.
- FIGS. 33 (a) and 33 (b) are sequence diagrams showing a data exchange sequence according to the present embodiment (no response is sent).
- FIG. 35 (b) is an explanatory diagram showing the data structure of communication data in the data exchange sequence of the present embodiment (no response is sent).
- the transmitter assigns a sequence number to the packet and transmits all data continuously.
- the receiver only confirms whether or not there is an error, and when receiving normally, after receiving all the data, it recognizes that it is normal reception in the receiver, and next Perform the operation.
- the next operation in this case is, for example, displaying received data, printing, or saving.
- the receiver recognizes that it has failed to receive normally in the receiver and performs the following operations.
- the next operation is an indicator to notify the user that the failure has occurred or a state of waiting for the next reception.
- FIG. 36 (a) is a sequence diagram showing a conventional IrD A cutting sequence.
- FIG. 36 (b) is an explanatory diagram showing a data structure of communication data in a conventional IrDA disconnection sequence.
- FIG. 37 (a) is a sequence diagram showing a disconnection sequence of the present embodiment (response is sent).
- FIG. 37 (c) is an explanatory diagram showing the data structure of communication data in the disconnection sequence of the present embodiment (response is sent).
- the disconnection sequence which conventionally required a plurality of packets, can be performed with one packet pair.
- FIG. 37 (b) is a sequence diagram showing a disconnection sequence of the present embodiment (no response is sent).
- FIG. 37 (c) is an explanatory diagram showing the data structure of communication data in the disconnection sequence of the present embodiment (response is sent).
- the UA response (UA response in Fig. 37 (c)) is not required.
- the data link layer is denoted as LAP
- the network layer is denoted as LAMP
- the transport layer is denoted as TTP or SMP
- the session layer and the presentation layer are denoted as OBEX.
- P is added to the transmitter and “S” is added to the receiver.
- LAP (P) means the data link layer of the transmitter.
- FIG. 38 is a sequence diagram showing a conventional IrDA connection sequence.
- the data structure of communication data in the conventional IrDA connection sequence is as shown in FIG.
- the transmitter and the receiver are connected in order from the lower layer after preparing for connection.
- Each communication layer receives a notification from the lower layer and makes a connection.
- the communication layer notifies the upper layer.
- the connection with OBEX ends and the connection is completed.
- FIG. 39 is a sequence diagram showing a connection sequence according to the present embodiment (response is sent).
- FIGS. 40 (a) and 40 (b) are explanatory diagrams showing the data structure of communication data in the connection sequence of the present embodiment (response is sent).
- both the transmitter and the receiver prepare for connection. After that, the transmitter passes the upper layer request as it is to the lower layer and transmits it as one packet (SNRM). On the other hand, the receiver receives the SNRM packet, notifies the upper layer as it is, and then passes the OBEX (S) response to the lower layer as it is, as one packet (UA). Send. When the transmitter receives the UA, the transmitter completes the connection and raises a notification (Connect. Confirm) to the upper layer.
- each communication layer of the transmitter will be described as! /.
- OBEX (P) promptly inserts a connection request command into the lower layer (SMP (P)) and issues a connection request function (Primitive) when a connection request with a strong application comes. To be born. Also, when OBEX (P) receives a connection confirmation function from SMP (P), it confirms the response of the OBEX connection from the data, and if the response indicates that there is no problem (Success), the connection is completed. And
- SMP (P) Upon receiving the connection request function from OBEX (P), SMP (P) promptly uses the connection request function data of OBEX (P) to communicate with the SMP (S) of the receiver. With parameters The connection request function is generated for the lower layer (LMP (P)).
- SMP (P) receives a connection confirmation function from LMP (P), it extracts the parameters generated by SMP (S) of the receiver from the data data of the function, confirms the value, and SMP (S ) Negotiation with) ends. Also, SMP (P) sends the data of the connection confirmation function with the data of SMP (S) removed, as connection confirmation function to OBEX (P).
- the LMP (P) receives the connection request function from the SMP (P) and promptly adds the parameters required for communication with the LMP (S) of the receiver to the data of the connection request function of the SMP (P). And a connection request function is generated for the lower layer (LAP (P)). Also, when LMP (P) receives a connection confirmation function from LAP (P), it extracts the parameter generated by the LMP (S) of the receiver from the function data, confirms the value, and The negotiation with is terminated. Also, LMP (P) sends the data of the connection confirmation function with the data of LMP (S) removed, as a connection confirmation function to SMP (P).
- LSAP Link Service Access Point
- LMP Link Service Access Point
- the LAP (P) receives the connection request function from the LMP (P) and promptly adds the parameters required for communication with the LAP (S) of the receiver to the connection request function data of the LMP (P). And output the SNRM command to the physical layer of the receiver. Also, when the LAP (P) receives the physical layer strength UA response of the receiver, the LAP (S) extracts the parameters generated by the LAP (S) of the receiver from the data of the UA response and confirms the value. End the negotiation with. LAP (P) sends the data obtained by removing the LAP (S) parameter from the UA response data to LMP (P) as a connection confirmation function.
- OBEX (S) receives a connection request function for application power and enters a reception standby state. OBEX (S) confirms the OBEX connection command from the data when the lower layer (SMP (S)) force also receives the connection notification function (Indication), and if there is no problem, the response is Success. Is output to SMP (S) as a connection response function (Response). Let's end.
- SMP (S) receives a connection request function from OBEX (S) and enters a reception standby state.
- SMP (S) receives a connection notification function from the lower layer (SMP (S))
- SMP (P) extracts the parameters generated by SMP (P) of the transmitter from the data of the function and responds to it.
- the connection response function from OBEX (S) is Wait.
- SMP (S) When SMP (S) receives a connection response function from OBEX (S), it adds the above response parameter to the data of the connection response function of OBEX (S) to LMP (S), A connection response function is generated for LMP (S), and SMP layer negotiation is terminated.
- LMP (S) In response to the connection request function from SMP (S), LMP (S) enters a reception standby state. Also, when the LMP (S) receives the connection notification function from the lower layer (LAP (S)), it extracts the parameters generated by the LMP (P) of the transmitter from the function data, and After creating a response parameter, excluding the data power LMP (P) parameter of the above function and issuing a connection request function containing the data to SMP (S), the connection response function from SMP (S) is wait. In addition, when the LMP (S) receives a connection response function from the SMP (S), the LMP (S) adds the above response parameter to the data of the connection response function of the SMP (S) to the LAP (S). The connection response function is generated for LAP (S), and the negotiation of the LMP layer is completed.
- LSAP Link Service Access Point
- LMP Link Service Access Point
- LAP (S) receives a connection request function with LMP (S) power and enters a reception standby state.
- the LAP (S) extracts the parameters generated by the transmitter LAP (P) from the SNRM command data, and the LAP (P) parameters from the SNRM command data.
- the connection request function containing the data to the LMP (S) After issuing the connection request function containing the data to the LMP (S), create a response parameter for that function and wait for the connection response function from the LMP (S).
- the LAP (S) receives the connection response function from the LMP (S)
- the LAP (S) adds the above response parameter to the data of the connection response function of the LMP (S), and the UA record for the physical layer. The response is output and the LAP layer negotiation is terminated.
- FIG. 41 is a sequence diagram showing a connection sequence according to the present embodiment (no response is sent).
- FIG. 40 (a) is an explanatory diagram showing the data structure of communication data in the connection sequence of the present embodiment (no response is sent).
- both the transmitter and the receiver prepare for connection. After that, the transmitter passes the upper layer request as it is to the lower layer and transmits it as one packet (SNRM). Then, the transmitter sends a notification (Connect. Confirm) from the LAP (P) to the upper layer as connection completion when the SNRM packet is transmitted. On the other hand, the receiver receives the SNRM packet, notifies the upper layer as it is, and completes the connection when notifying OBEX (S).
- each communication layer of the transmitter will be described as! /.
- OBEX (P) promptly issues a connection request function (Primitive) by entering a connection request command in the data to the lower layer (S MP (P)) when a connection request with an application power comes. To be born. OBEX (P) completes connection when it receives a connection confirmation function from SMP (P).
- the SMP (P) receives the connection request function from the OBEX (P) and promptly uses the connection request function data of the OBEX (P) to communicate with the SMP (S) of the receiver.
- a connection request function is generated for the lower layer (LMP (P)) with the parameter added.
- the SMP (P) receives the connection confirmation function from the LMP (P) manager, the SMP layer negotiation is terminated, assuming that the negotiation with the transmitted parameters has been completed. At this time, SMP (P) sends a connection confirmation function to OBE X (P).
- the LMP (P) receives the connection request function from the SMP (P) and promptly adds the parameters required for communication with the LMP (S) of the receiver to the data of the connection request function of the SMP (P). And a connection request function is generated for the lower layer (LAP (P)). Also, when the LMP (P) receives the connection confirmation function for the LAP (P) force, the LMP (P) terminates the negotiation of the LMP layer, assuming that the transmitted parameters can be negotiated. At this time, LMP (P) becomes SMP (P ) Send a connection confirmation function.
- LSAP Link Service Access Point
- LMP Link Service Access Point
- the LAP (P) receives the connection request function from the LMP (P) and promptly adds the parameters required for communication with the LAP (S) of the receiver to the data of the connection request function of the LMP (P). And output the SNRM command to the physical layer of the receiver.
- LAP (P) terminates the LA p layer negotiation, assuming that it has negotiated with the transmitted parameters when it outputs the SNRM command.
- LAP (P) sends a connection confirmation function to LMP (P).
- OBEX (S) receives a connection request function for application power and enters a reception standby state. If OBEX (S) receives the connection notification function (Indication) as well as the lower layer (SMP (S)) force, the OBEX (S) will also check the OBEX connection command for the data's intermediate force, and if there is no problem, the connection will be completed. And
- SMP (S) receives a connection request function from OBEX (S) and enters a reception standby state.
- SMP (S) receives a connection notification function from the lower layer (SMP (S))
- SMP (P) extracts the parameter generated by SMP (P) of the transmitter from the function data, Use to complete the negotiation.
- SMP (S) removes the parameter of SM P (P) from the data of the above function!
- the connection request function with the stored data is issued to OBEX (S).
- the LMP (S) receives a connection request function from the SMP (S) and enters a reception standby state. Also, when the LMP (S) receives a connection notification function from the lower layer (LAP (S)), it extracts the parameter generated by the transmitter LMP (P) from the function data and uses that parameter. To complete the negotiation. And LMP (S) excludes the parameter of data force LMP (P) of the above function! The connection request function with the stored data is issued to SMP (S).
- LSAP Link Service Access Point
- LAP (S) receives a connection request function with LMP (S) power and enters a reception standby state. Also, when the physical layer strength SNRM command is received, the LAP (S) extracts the parameter generated by the transmitter LAP (P) from the SNRM command data and completes the negotiation using the parameter. Then, the LAP (S) issues a connection request function to the LMP (S) that includes the data power of the above function, excluding the parameters of the LAP (P).
- FIG. 42 is a sequence diagram showing a conventional IrDA data exchange sequence.
- the data structure of communication data in the conventional IrDA connection sequence is as shown in Fig. 35 (a).
- the transmitter in the conventional IrDA, the transmitter generates a PUT command, which flows to the lower layer and is transmitted to the transmitter as an I frame.
- the TTP (S) that receives the data and raises the data indicator to the upper layer returns a credit indicating how many packets can be received to the transmitter.
- the TTP layer is responsible for flow control.
- the transmitter transmits the received credit from the receiver to TTP (P).
- the LAP (P) transmits an RR (transmission right transfer) packet.
- the receiver After that, after receiving the RR packet, the receiver outputs the response generated by OBEX (S) as an I frame.
- the transmitter Upon receiving the response from OBEX (S), the transmitter generates the next PUT command.
- FIG. 43 is a sequence diagram showing a data exchange sequence according to the present embodiment (response is sent).
- FIG. 44 is an explanatory diagram showing the data structure of communication data in the data exchange sequence of the present embodiment (response is sent).
- the transmitter As shown in FIG. 43, in the present embodiment (with a response), the transmitter generates a PUT command, which is transmitted to the lower layer and output as a UI frame.
- the receiver receives data and sends notifications to higher layers.
- SMP S
- OBEX S
- the transmitter After sending a certain number of packets, the transmitter turns on the flag to check whether the data has arrived properly and sends it. In response to this, in the receiver, SMP (S) notifies the transmitter of the number of errors in which the error occurred.
- the transmitter If there is no error, the transmitter outputs the next packet group, and if there is an error, the transmitter retransmits the packets after the packet with the error.
- OBEX (P) outputs a PUT command as a data transmission function to the lower layer.
- OBEX (P) can be sent with SMP (P) without requiring a PUT command response other than the PUT Final (last PUT) command (Continue is returned when normal), The following command is output.
- a command other than the PUT Final command or the PUT command it waits for the data notification function from the lower layer and ends the command by looking at the response in that data.
- the data transmission function is a function (Data Re quest) for requesting data transmission to the lower layer.
- the data notification function is a function (Data Indicate) notifying that the lower layer force data has been received.
- OBEX receives the data by receiving the data notification function for the lower layer force.
- OBEX does not return a response to a PUT command other than a PUT Final command, and returns a response as a data transmission function for a command other than a PUT Final command or a PUT command.
- the SMP When the SMP receives the data transmission function from OBEX, (a) when the size that can be transmitted by the LMP is smaller than the size of the data in the data transmission function, the LMP can transmit the data. (B) When the size that can be sent by LMP is larger than the size of the data in the data transmission function, several data are combined and larger data that is smaller than the size that can be sent is combined. create.
- SMP is a sequential number, an argument that inquires the other device about the data reception status, an argument that indicates the end of the data, an argument that the SMP of the other device requires an OBEX response, and the received data is normal Create an SMP header with an argument indicating whether or not. Then, a data transmission function including the data attached to the data obtained by dividing or combining the SMP header is issued to the LMP.
- the SMP receives the data notification function from the LMP
- the SMP header is extracted from the data in the function, and the force that the sequence number is normal (ie, the force that comes in order without missing) is confirmed. To do. If it is normal, it issues a data notification function to OBEX.
- the data notification function may be output for each data notification function from the lower layer, and V, and the data notification function data from several lower layers may be output together! / ,.
- the SMP (P) of the transmitter converts the data transmission function from OBEX (P) into the data transmission function to LMP (P), and transmits a certain amount of data that can be specified. Issue a function. After that, SMP (P) sets the argument that inquires the receiver about the data reception status to True, issues a data transmission function, and waits for the data notification function of LMP (P).
- SMP (P) analyzes the SMP header in the data notification function from LMP (S) and indicates that the argument indicating whether the received data was normal was received normally. If it is ready to send the next data, it becomes a state that can be sent to OBEX (P). In other words, data from OBEX (P) can be accepted in this state.
- SMP (P) the argument indicating whether or not the data received by analyzing the SMP header of the data notification function received by the LMP (S) force is normal is normal. If it indicates that it has not received power, it is possible to send data that has been notified that power has not been received normally.
- Transmission function power Generates up to the data transmission function with the argument that inquires the external device about the data reception status set to True. SMP (P) repeats re-occurrence until the data by all data transmission functions are notified to the receiver or a certain specified number of times.
- SMP (S) When SMP (S) receives LMP (S) data notification function, SMP (S) analyzes the SMP header from the data in the data notification function and confirms the sequential number. SMP (S) can normally receive an argument indicating whether or not the received data is normal if it can receive normally until it receives a header whose argument is True to inquire the receiver about the data reception status. The SMP header is created to indicate this, and the data transmission function is issued to the LMP (S) as data.
- SMP (S) detects that it has been unable to receive normally, it stores the number of the SMP header that is predicted to have not been received normally. For example, when 0, 1, 2, 3, 5 is received, if the 5th should be 4, but it does not receive 4, the number predicted to be unable to receive normally is 4. Become. After that, SMP (S) checks only whether the argument for inquiring the data reception status to the receiver of the SMP header is True, and stops outputting the data notification function to OBEX (S).
- SMP (S) When SMP (S) receives a data notification function whose argument is True to inquire the receiver about the data reception status, SMP (S) cannot properly receive an argument indicating whether or not the received data is normal. Create an SMP header that inserts the SMP header number that could not be received normally into the field for the sequential number. Send data transmission function to LMP (S) as data.
- SMP (S) received a data notification function in which the argument indicating the end of the data or the argument indicating that the response of the OBEX (S) of the receiver was required was True. In this case, after outputting the data notification function to OBEX (S), it waits for a data transmission request from OBEX (S).
- SMP (S) When SMP (S) receives a data transmission request from OBEX (S), it creates an SMP header that indicates that the received data was successfully received as an argument indicating whether the received data was normal, This is added to the data of the OBEX (S) data transmission request and the data transmission function is issued to LMP (S). If there is an error, notification to OBEX (S) stops, so the wait is only normal.
- the LMP when the LMP receives the upper layer data transmission request function, it creates the data by adding an LMP header to the data in the function, and issues a data transmission request function containing the data in the LAP. .
- the LMP receives a LAP force data notification function, the LMP creates data excluding the LMP header from the data in the function, and issues a data notification function containing the data in the SMP.
- the LMP header contains an LSAP containing a connectionless value.
- the LAP When the LAP receives a data transmission request function from the LMP, the LAP creates a data with a LAP header attached to the data in the function, and issues a UI frame containing the data in the physical layer.
- the LAP receives a data reception notification from the physical layer, the LAP creates the data by removing the LAP header from the data in the UI frame, and issues a data notification function that contains the data in the LMP.
- the LAP header text includes a connection address and a UI indicator.
- FIG. 45 is a sequence diagram showing a data exchange sequence according to the present embodiment (no response is sent).
- FIG. 44 is an explanatory diagram showing the data structure of communication data in the data exchange sequence according to the present embodiment (no response is sent).
- the transmitter uses the PUT command. Is transmitted to the lower layer and output as a UI frame.
- the receiver receives data and sends notifications to higher layers.
- SMP S
- OBEX S
- the transmitter turns on the flag indicating the end of data and transmits the data.
- OBEX (P) At the transmitter, OBEX (P) outputs a PUT command as a data transmission function to the lower layer. However, OBEX (P) can terminate commands without requiring responses to all commands. OBEX (P) then outputs the next command when it can be sent by SMP (P).
- OBEX receives the data notification function for the lower layer power, and receives only data without returning a response to all commands.
- SMP When SMP receives the data transmission function from OBEX, (a) when the size that can be transmitted by LMP is smaller than the size of the data in the data transmission function, LMP can transmit the data. (B) When the size that can be sent by LMP is larger than the size of the data in the data transmission function, several data are combined and larger data that is smaller than the size that can be sent is combined. create.
- SMP is a sequential number, an argument that inquires the other device about the data reception status, an argument that indicates the end of the data, an argument that the SMP of the other device requires an OBEX response, and the received data is normal Create an SMP header with an argument indicating whether or not. Then, a data transmission function including the data attached to the data obtained by dividing or combining the SMP header is issued to the LMP.
- the SMP receives the LMP force data notification function
- the SMP receives SM from the data in the function. Pull out the P header and check the force with the normal sequence number (ie, the force that comes in order without coming off). If it is normal, it issues a data notification function to OBEX.
- the data notification function may be output for each data notification function from the lower layer, and V, and the data notification function data from several lower layers may be output together! / ,.
- the SMP (P) of the transmitter converts the data transmission function of OBEX (P) force into a data transmission function to LMP (P).
- OBEX (P) When a data transmission function is received from OBEX (P) whose argument is “False”, the data with the SMP header added is sent to LMP (P).
- SMP (P) receives from OBEX (P) a data transmission function with an argument that it is true, the last data of the data transmission function is inserted.
- the SMP (S) of the receiver receives the data notification function from the lower layer, it analyzes the SMP header from the data in the data notification function and confirms the sequential number.
- SMP (S) analyzes the SMP header and confirms that reception has been successful, it issues a data transmission function to LMP (S).
- the SMP (S) detects that it cannot receive normally, it notifies the OB EX (S) as an error. For example, when you receive 0, 1, 2, 3, 5, the fifth should be 4, but you did not receive 4.
- the SMP (S) waits for the argument indicating the end of the data in the SMP header or the argument indicating that the response of the OBEX (S) of the receiver is True to be True.
- the power to receive a data notification function that is True (note that even if it is received, it does not notify OBEX (S)), the power to receive a disconnect notification function, or data to OBEX (S) until a certain time has passed. Do not send notifications.
- the transmitter LMP (P) receives a data transmission request function from the SMP (S), it creates the data by adding an LMP header to the data in the function, and generates LAP (P ) The data transmission request function containing the data is issued.
- the LMP header contains an LSAP containing a connectionless value.
- the LAP (P) of the transmitter When the LAP (P) of the transmitter receives the data transmission request function, the LAP (P) of the transmitter creates the data by adding the LAP header to the data in the function, and the data enters the physical layer. Emits a UI frame.
- the LAP (S) of the receiver when receiving a data reception notification from the physical layer, creates data excluding the LAP header from the data of the UI frame, and stores the data in the LMP (S).
- the data notification function containing the data is issued.
- the LAP header includes a connection address and a UI indicator.
- FIG. 46 is a sequence diagram showing a conventional IrDA cutting sequence.
- the data structure of communication data in the conventional IrDA disconnection sequence is as shown in Fig. 36 (b).
- a disconnection command is generated from the OBEX (P) of the transmitter, and the transmitter and the receiver are disconnected in order from the upper layer, and the last LAP layer End with disconnection at.
- FIG. 47 is a sequence diagram showing a disconnection sequence according to the present embodiment (response is sent).
- FIGS. 48 (a) and 48 (b) are explanatory diagrams showing the data structure of communication data in the disconnection sequence of the present embodiment (response is sent).
- a transmitter disconnect command is transmitted to the lower layer, and a DISC command is generated.
- the receiver receives the DISC command and notifies it to the upper layer, returns the response, and generates a UA response. After that, the upper layer of the transmitter is notified that the UA response has been received and ends.
- OBEX (P) promptly inserts a disconnect request command into the lower layer (SMP (P)) and issues a disconnect request function (Primitive) when an application power disconnect request is received. To be born. Also, when OBEX (P) receives a disconnection confirmation function from SMP (P), it confirms the response of OBEX disconnection from the data, and if the response indicates that there is no problem (Success), disconnection is complete. And
- SMP (P) Upon receiving the disconnect request function from OBEX (P), SMP (P) promptly uses the disconnect request function data of OBEX (P) to communicate with the SMP (S) of the receiver. A parameter is added to generate a disconnect request function for the lower layer (LMP (P)).
- LMP (P) lower layer
- SMP (P) receives a disconnection confirmation function from LMP (P)
- the data power of the function extracts the parameters generated by SMP (S) of the receiver, confirms the value, and SMP (S) The disconnection process is terminated.
- SMP (P) sends the data of the disconnection confirmation function with the data of SMP (S) removed, to OBEX (P) as a disconnection confirmation function.
- the LMP (P) receives the SMP (P) force disconnection request function, and promptly converts the SMP (P) disconnection request function data to the parameters required for communication with the receiver LMP (S). Is added and a disconnection request function is generated for the lower layer (LAP (P)). Also, when LMP (P) receives a disconnection confirmation function from LAP (P), it extracts the parameter generated by the LMP (S) of the receiver from the function data, confirms the value, and The disconnection process is terminated. Also, LM P (P) sends the data of the cutting confirmation function with the data of LMP (S) removed, to SMP (P) as a cutting confirmation function. However, there is usually no new parameter added with LMP (P) when disconnecting.
- the LAP (P) receives the LMP (P) force disconnection request function, and promptly adds the LMP (P) disconnection request function data to the parameters required for communication with the LAP (S) of the receiver. And a DISC command is output to the physical layer of the receiver. Also, when the LAP (P) receives the physical layer strength UA response of the receiver, it extracts the parameter generated by the LAP (S) of the receiver from the data of the UA response, confirms the value, and the LAP (S ). LAP (P) is data obtained by removing the LAP (S) parameter from the UA response data. Is issued to LMP (P) as a disconnect confirmation function. However, there is usually no new parameter to be added with LAP (P) when disconnecting.
- OBEX (S) When OBEX (S) receives the disconnect notification function (Indication) for the lower layer (SMP (S)) force, it confirms the OBEX disconnect command for the data, and if there is no problem, the response is Success. Is output to SMP (S) as a disconnect response function (Response), and disconnection is completed.
- the disconnect notification function Indication
- SMP (S) lower layer
- the SMP (S) When the SMP (S) receives the lower layer (SMP (S)) power disconnection notification function, it extracts the parameters generated by the SMP (P) of the transmitter from the function data and Create a response parameter, remove the SMP (P) parameter from the data of the above function, issue a disconnect request function containing the data to OBEX (S), then disconnect response function from OBEX (S) Wait.
- SMP (S) receives a disconnect response function from OBEX (S)
- it adds the above response parameter to the data of the disconnect response function of OBEX (S) for LMP (S)
- a disconnect response function is generated for L MP (S)
- the SMP layer disconnection process is terminated.
- the LMP (S) When the LMP (S) receives the disconnection notification function for the lower layer (LAP (S)) force, it extracts the parameter generated by the transmitter LMP (P) from the function data and responds to it. The parameter of the data function LMP (P) of the above function is removed, the disconnection request function containing the data is issued to SMP (S), and the disconnection response function from SMP (S) is waited for . Also, when LMP (S) receives a disconnect response function from SMP (S), LMP (S) adds the above response parameter to the data of SMP (S) disconnect response function for LAP (S). Then, a disconnect response function is generated for LAP (S), and the LMP layer disconnection process is terminated. However, there is usually no new parameter added with LMP (S) when disconnecting!
- the LAP (S) When the LAP (S) receives the physical layer force DISC command, it extracts the parameter generated by the transmitter LAP (P) from the DISC command data, and the data force of the DISC command is also LAP (P). After issuing the disconnection request function containing the data to LMP (S), create a response parameter for that and wait for the disconnection response function from LMP (S). LAP (S) disconnects LMP (S) when it receives a disconnect response function from LMP (S). Add the above response parameters to the response function data, output a UA response to the physical layer, and terminate the LAP layer disconnection process. However, there is usually no new parameter to be added with LAP (S) when disconnecting.
- FIG. 49 is a sequence diagram showing a disconnection sequence according to the present embodiment (no response is sent).
- FIG. 48 (a) is an explanatory diagram showing the data structure of communication data in the disconnection sequence of the present embodiment (no response is sent).
- the transmitter disconnect command is transmitted to the lower layer, and the DISC command is generated. At this point, the transmitter ends the disconnection process.
- the receiver receives the DISC command and transmits it to the upper layer, and the disconnection process ends when it is notified to the upper layer.
- OBEX (P) promptly sends a disconnect request command to the lower layer (S MP (P)) in the data and issues a disconnect request function (Primitive) when a disconnect request with a powerful application is received. To be born. In addition, OBEX (P) completes disconnection when it receives a disconnect confirmation function from SMP (P).
- SMP (P) Upon receiving the disconnect request function from OBEX (P), SMP (P) promptly uses the disconnect request function data of OBEX (P) to communicate with the SMP (S) of the receiver. A parameter is added to generate a disconnect request function for the lower layer (LMP (P)). Further, when the SMP (P) receives the disconnection confirmation function from the LMP (P), it is determined that the SMP (P) has been disconnected with the transmitted parameters, and ends the SMP layer disconnection process. SMP (P) also sends a disconnect confirmation function to OBEX (P). However, normally there is no new parameter added by SMP (P) when cutting.
- the LMP (P) receives the SMP (P) force disconnection request function, and promptly converts the SMP (P) disconnection request function data to the parameters required for communication with the receiver LMP (S). Is added and a disconnection request function is generated for the lower layer (LAP (P)). Further, when the LMP (P) receives the disconnection confirmation function from the LAP (P), it assumes that it has been disconnected with the transmitted parameters, and terminates the LMP layer disconnection process. LMP (P) also sends a disconnect confirmation function to SMP (P). To do. However, there is usually no new parameter added by LMP (P) when cutting.
- the LAP (P) receives the LMP (P) force disconnection request function, and promptly adds the LMP (P) disconnection request function data to the parameters required for communication with the LAP (S) of the receiver. And a DISC command is output to the physical layer of the receiver. Also, when the LAP (P) outputs the DISC command, it assumes that it has been disconnected with the transmitted parameters and terminates the LAP layer disconnection process. LAP (P) issues a disconnection confirmation function to LMP (P). However, there is usually no new parameter to add with LAP (P) when disconnecting!
- SMP (S) When SMP (S) receives the lower layer (SMP (S)) power disconnection notification function, it extracts the parameter generated by SMP (P) of the transmitter from the function data and uses that parameter. To complete the cutting. SMP (S) also issues a disconnect request function to OBEX (S) that includes the data power of the above function, excluding the parameters of SMP (P). However, there is usually no new parameter to be added with SMP (S) when disconnecting!
- LMP (S) When the LMP (S) receives a disconnect notification function from the lower layer (LAP (S)), it extracts the parameter generated by the transmitter LMP (P) from the function data, Use to complete the cut. LMP (S) also issues a disconnect request function to SMP (S) that includes the data power of the above function, excluding the parameters of LMP (P). However, there is usually no new parameter added with LMP (S) when disconnecting!
- the LAP (S) extracts the parameter generated by the transmitter LAP (P) from the data of the DISC command, and completes the disconnection using that parameter. . Also, LAP (S) issues a disconnect request function to LMP (S) that contains data obtained by removing the LAP (P) parameter from the DISC command data. However, there is usually no new parameter to add with LAP (S) when disconnecting!
- each communication layer LAP, LMP, SMP, and OBEX of the transmitter and the receiver has a connection request function, a connection notification function, a connection response function, and a connection confirmation function. These functions are used to access the LAP layer from the upper layer (ie, LMP layer).
- the above function can specify Data (hereinafter referred to as data) and Requested-Qos or Returned-QoS as arguments. As described above, the data is set in each communication layer.
- Qos notifies the specification of negotiation parameters such as baud rate determined by LAP and the result of negotiation to higher layers including OBEX.
- OBEX (P) Operates according to the Z-unnecessary specification, so bidirectional Z one-way connection is possible.
- Figs. 50 to 54 show the connection sequence (Fig. 39) of this embodiment (response is sent).
- QoS parameters between MPs, between SMP and LMP, and between LMP and LAP may be the same or different. Therefore, in the figure, -a, -b, and -c are added to distinguish them.
- the data to be transmitted to the receiver and the data of QoS-1 are transmitted by con.req (data) (Fig. 39). Pass from layer to lower layer.
- the receiver passes only the data of QoS-2 (QoS requested by the receiver) from the upper layer to the lower layer by con.req.
- QoS-3 is created as a common negotiated parameter To do.
- LAP notifies QoS-3 to the upper layer together with the data from the transmitter by con.ind (data).
- Each upper layer stores this QoS-3 and holds it as a connection parameter at the time of connection.
- the LAP (P) receives the UA response and stores QoS-3 as a negotiated parameter. Then, as shown in FIG. 54, LAP (P) notifies QoS-3 to the upper layer together with the receiver data by con.conKdata). Each communication layer holds this Q ⁇ S-3 as a connection parameter for the established connection.
- the data to be transmitted to the receiver and the data of QoS-1 are transmitted by con.req (data) (Fig. 41). Pass from layer to lower layer.
- the LAP (P) of the transmitter stores QoS-1 as it is as QoS-3.
- LA P (P) notifies QoS-3 to the upper layer by con.conf as shown in FIG.
- Each communication layer holds this QoS-3 as a connection parameter for the established connection.
- the receiver passes only the data of QoS-2 (QoS requested by the receiver) from the upper layer to the lower layer by con.req.
- the receiver sets the QoS-1 of the transmitter to QoS-3. In addition, if the parameters of QoS-2 are not satisfactory in combination with QoS-1, it cannot be received. [0288] Next, as shown in FIG. 52, LAP (S) notifies QoS-3 to the upper layer together with the data from the transmitter by con.ind (data). Each upper layer stores this QoS-3 and holds it as a connection parameter at the time of connection.
- the application determines whether QoS-1 and QoS-2 are in the upper layer, with or without a response.
- both with and without a response can be selected, and data such as a phone book, mail, and schedule can be received. If it is desired to confirm that the response has been made, “with response” may be automatically selected.
- the application is used as a reference, for example, in the case of a slide show, no response may be automatically selected.
- user selection for example, the user may select from the menu display with / without response.
- FIG. 55 to FIG. 57 are explanatory diagrams showing modifications of the flow of data and parameters between communication layers in the connection sequence of the present embodiment.
- the transmitter has information on all communication layers included in the first SNRM command (Fig. 39), data and parameters are relayed in each communication layer (Fig. 50). As shown in Fig. 55, it can be configured to pass directly from each communication layer to the LAP layer.
- the receiver should be configured to take out all the data parameters included in the SNRM command and pass them directly from the LAP layer to each destination communication layer.
- the data and parameters of OBEX (P), SMP (P), and LMP (P) are integrated with LMP (P), and further, with LAP (P). It can be configured by adding the LAP (P) parameter to the integrated data parameter and generating the SNRM command.
- FIG. 58 is a functional block diagram illustrating a configuration example of the communication system 1000 according to the present embodiment.
- FIG. 58 is a functional block diagram illustrating a configuration example of the communication system 1000 according to the present embodiment.
- the communication system 1000 is configured to include a transmitter 1100 and a receiver 1200 that establish communication between a plurality of communication layers and perform communication.
- the transmitter 1100 and the receiver 1200 establish the connection by disconnecting and transmitting the commands and data necessary for connection Z disconnection of multiple adjacent communication layers in one connection Z disconnection request.
- the transmitter 1100 and the receiver 1200 establish the connection by disconnecting and transmitting the commands and data necessary for connection Z disconnection of multiple adjacent communication layers in one connection Z disconnection request.
- the communication system 1000 includes a transmitter 1100 and a receiver 1300 that establishes communication with a plurality of communication layers and performs communication. Where transmitter 1100 and receiver 1
- the transmitter 1100 and the receivers 1200 and 1300 may each have both a function as a transmitter and a function as a receiver. That is, by providing the function of the transmitter 1100 and the function of the receiver 1200, a communication device that performs transmission / reception using the communication protocol according to the present embodiment can be configured. In addition, by providing the functions of the transmitter 1100 and the functions of the receivers 1200 and 1300, a communication device that performs transmission and reception by switching between the communication protocol according to the present embodiment and the conventional IrD A communication protocol is configured. it can.
- the transmitter 1100 includes a request generation unit (connection request generation unit, disconnection request generation unit) 1101, a request transmission unit (connection request transmission unit, a disconnection request transmission unit) 1102, a connection setting unit (connection setting unit). 1103, at least a response receiving unit (response receiving means) 1104.
- request generation unit 1101 and the connection setting unit 1103 are provided in each of the communication layers L2a, L3a, L4a, and L56a.
- the request transmission unit 1102 and the response reception unit 1104 are provided in the communication layer L2a immediately above the physical layer L1.
- the request generation unit 1101 generates a connection request including commands and data necessary for connection of a plurality of adjacent communication layers. Further, the request generation unit 1101 generates a disconnect request including commands and data necessary for disconnecting a plurality of adjacent communication layers.
- the multiple communication layers mentioned here exclude the physical layer L1 and the application layer L7.
- the middle layer (communication layer L2a, L3a, L4a, L56a).
- the combination of communication layers that collect commands and data in a connection request and the combination of communication layers that combine commands and data in a disconnection request may not match.
- the communication layers when connecting, the communication layers may be grouped into two sets, establishing a connection with two connection requests, and when disconnecting, all communication layers may be disconnected with one disconnect request. ⁇ .
- the request generation unit 1101 when the request generation unit 1101 connects with a protocol with a response, the request generation unit 1101 includes a command for requesting the receiver 1200 to transmit a response to the connection request in the connection request.
- connection request includes a command for requesting the receiver to transmit a response during data communication.
- the request generation unit 1101 uses only one of the response to the connection request and the response at the time of data communication as a command. Let ’s include it. That is, the response to the connection request can be omitted, and the response at the time of data communication can be omitted. Of course, if both responses are omitted, a connection with no response is made.
- the request transmission unit 1102 transmits the connection request and the disconnection request generated by the request generation unit 1101 to the receiver 1200.
- the response receiving unit 1104 receives a response to the connection request and the disconnection request from the receiver 1200.
- connection setting unit 1103 When connection is established using a protocol with a response, the connection setting unit 1103 performs setting in each communication layer according to the response received from the receiver 1200 with respect to the connection request transmitted from the own device.
- the receiver 1200 includes a request reception unit (connection request reception unit, disconnection request reception unit) 1201, a connection establishment unit (connection establishment unit, disconnection unit) 1202, a response generation unit (response generation unit) 1203, a response A transmission unit (response transmission means) 1204 is provided.
- the request receiving unit 1202 and the response transmitting unit 1204 are provided in the communication layer L2a immediately above the physical layer L1. Until the connection establishment unit 1202 and the response generation unit 1203, the communication layers L2a, L3a, L4a, and L56a are installed.
- the request receiving unit 1201 receives from the transmitter 1100 a connection request including commands and data necessary for connection of a plurality of adjacent communication layers. Further, the request reception unit 1201 receives a disconnection request including a command and data necessary for disconnecting a plurality of adjacent communication layers from the transmitter 1100.
- connection establishing unit 1202 extracts a command and data from the connection request received by the connection request receiving unit 1201, and establishes a connection of each communication layer based on the command and data. Further, the connection establishment unit 1202 extracts a command and data from the disconnection request, and disconnects the connection of each communication layer based on the command and data.
- the response generation unit 1203 generates a response when connected by a protocol with a response, that is, when a command requesting transmission of a response to a request or data is received.
- the response generation unit 1203 generates a response when the connection request includes a command for requesting transmission of a response to the connection request. If the connection request includes a command that requests transmission of a response when exchanging data, a response is generated in response to data reception.
- the response transmission unit 1204 transmits the response generated by the response generation unit 1203 to the transmitter 1100.
- the request from the transmitter can include designation of whether or not a response is required from the receiver. Furthermore, if the transmitter does not request a response from the receiver, it can complete processing such as establishing a connection without a response from the receiver.
- the transmitter 1100 has a function of transmitting a command and data necessary for connection Z disconnection of a plurality of communication layers as a request for each communication layer in order to communicate with the receiver 1300.
- the receiver 1300 can arbitrarily select a receiver compatible with a conventional protocol such as IrDA, and thus a detailed description thereof will be omitted.
- the transmitter 1100 generates a second request in addition to the request generator (first connection request generator) 1101, the request transmitter 1102, and the connection setting unit 1103.
- the second request generation unit 1151 is provided in each of the communication layers L2b, L3b, L4b, and L56b.
- the protocol selection unit 1131 is provided in the application layer L7.
- the request transmission unit 1152 is provided in the communication layer L2b immediately above the physical layer L1. Further, each communication layer L2b, L3b, L4b, L56b has a function equivalent to that of the connection setting unit 1103.
- the protocol selection unit 1131 selects one of the request generation unit 1101 and the second request generation unit 1151 when generating a connection request and a disconnection request. Note that the protocol may be selected by the application, or may be instructed by the user by operating a button.
- the second request generation unit 1151 generates a connection request and a disconnection request including commands and data necessary for connection for each communication layer. For example, a request corresponding to the conventional IrDA is generated.
- the second request transmitter 1152 is a connection generated by the second request generator 1151. Send request and disconnect request to receiver 1300.
- the transmitter generates a connection request that combines multiple communication layer commands, etc., in order to shorten the connection time, and the communication layer for each communication layer like conventional IrDA.
- a protocol for generating a connection request can be selected and used.
- the transmitter 1100 When the transmitter 1100 receives a request as a receiver, the transmitter 110
- connection request receiving means for receiving a connection request including a command and data necessary for connection from the transmitter for each communication layer.
- the communication system of the present embodiment is suitable for infrared communication or the like in which the communication path is easily disconnected. However, it can be applied to any physical layer.
- the transmitter of this embodiment is suitable for a mobile phone or an imaging device that transmits a captured image to a receiver.
- the mobile phone's CPU with relatively low processing power can store the address book and mail data stored in the mobile phone. Even with a small load, it can be transferred to other mobile devices and devices.
- the receiver of this embodiment is suitable for a broadcast receiving apparatus that receives broadcasts from a transmitter and a broadcast recording apparatus that records broadcasts received from a transmitter.
- the functions of the transmitter and the receiver of the present embodiment can be realized by software. Therefore, when the functions of the transmitter and the receiver are realized by a mobile phone, software that realizes the functions of the transmitter and the receiver can be supplied via the mobile phone network.
- the portable device and the electronic device have the communication functions 1, 2, 4 stored in the memories 12 and 22 as storage means. , 5, 7 and 8, communication function that searches for the partner device and exchanges information on both devices, and has a strict error resend processing function 3, 6, It possesses at least one type of communication function.
- the communication functions 3, 6, and 9 are IrDA protocols.
- the communication function 1, 2, 4, 5, 7, for reducing the time required for communication described in the first embodiment at the beginning of communication.
- tone signal as an identification signal in FIG. If the partner device is equipped with any of the communication functions 1, 2, 4, 5, 7, and 8 described in the first embodiment, there is a response to this tone signal and communication is possible. .
- the tone signal may be a connection bucket for actual connection! /, And only for confirming the communication method provided in the receiving device 2a.
- the signal may also be
- the transmission device la of the present embodiment is different from the transmission device 1 in that the CPU 11 is replaced by the CPU 11, the controller 13 a is replaced by the controller 13, and the transmission unit 14 Instead, a transmission unit 14a as a wireless communication interface is provided, and a reception unit 15a as a wireless communication interface is provided.
- the CPUlla performs data transfer processing in accordance with a user instruction input to an operation unit (not shown). Upon receiving a transfer instruction from the operation unit, the CPUlla requests the controller 13a to transmit a tone signal for detecting a tone signal for detecting whether or not the receiving device is within the data transferable range. Send.
- the CPUlla When a reception device detection response tone reception completion notification indicating reception of a response tone signal for the reception device detection tone transmission request is received from the controller 13a, the CPUlla performs the same processing as the CPU11. That is, the CPU 1 stores the transfer data to be transferred in the memory 12 and makes a transfer request to the controller 13a.
- the receiving unit 15a detects a tone signal transmitted from the outside via the infrared communication path, and outputs a tone signal detection signal to the controller 13a.
- the controller 13a includes a control unit 131a, a data packet generation unit 132, an error detection / correction code addition unit 133, a tone signal generation unit 134 as identification signal generation means, and a multiplexer 135. Yes.
- the multiplexer 135 selects one of the plurality of input terminals in accordance with the switching signal from the control unit 131a, and outputs the signal input to the selected input terminal. Note that the error detection and correction code adding unit 133 and the tone signal generating unit 134 are connected to the input terminals of the multiplexer 135 of the present embodiment.
- the control unit 131a controls the controller 13a in response to a request from the CPUl la.
- the request from CPUlla includes a receiving device detection tone transmission request and a transfer request.
- the control unit 13 la Upon receiving the reception device detection tone transmission request, the control unit 13 la outputs a tone signal generation request for requesting the tone signal generation unit 134 to generate a tone signal, and also outputs a tone signal generation unit. A switching signal is output to the multiplexer 135 so that the tone signal generated by 134 is output. Further, when receiving the tone signal detection signal from the receiving unit 15a, the control unit 13la sends a receiving device detection response tone reception completion notification to the CPUl la.
- the control unit 131a Upon receiving the transfer request, the control unit 131a reads the transfer data from the memory 12 and sends the read transfer data to the data packet generation unit 132, as with the control unit 131. At this time, the control unit 131a outputs a switching signal to the multiplexer 135 so as to output the data packet generated by the data packet generation unit 132. In addition, the control unit 131a detects that the transmission unit 14 has transmitted all the data packets corresponding to the transfer data read from the memory 12, and sends a transmission end notification indicating that the data transmission has ended to the CPU 1 la. .
- the tone signal generation unit 134 receives the tone signal generation request from the control unit 131a, generates a tone signal, and sends the generated tone signal to the transmission unit 14a via the multiplexer 135.
- the transmission unit 14a has a function of transmitting a tone signal.
- the receiving device 2a includes a controller 23a instead of the controller 23, and a receiving unit 25a as a wireless communication interface instead of the receiving unit 25, as compared with the receiving device 2 described above. Furthermore, the difference is that a transmitter 26a as a wireless communication interface is provided.
- the receiving unit 25a receives an external power packet or a tone signal. When receiving the packet, the receiving unit 25a sends the received packet to the CDR 24. On the other hand, when receiving a tone signal, the receiving unit 25a outputs a tone signal detection signal indicating that the tone signal has been received to the controller 23a.
- the controller 23a includes a control unit 231a, a packet processing unit 232, and an error detection and correction circuit 233. And a tone signal generation unit 234 as identification signal generation means.
- the control unit 231a performs predetermined processing according to the result sent from the error detection / correction circuit 233 or the tone signal detection signal from the receiving unit 25a. That is, similarly to the control unit 231 above, the result from the error detection and correction circuit 233 indicates that there is no error in the divided data. In this case, the control unit 231a writes the divided data to the memory 22 and sends it to the CPU 21. Notification of reception completion. On the other hand, when the result from the error detection / correction circuit 233 indicates that there is an error in the divided data, the control unit 231a discards the divided data and notifies the CPU 21 that there is a reception error. .
- the control unit 231a When receiving the tone signal detection signal from the receiving unit 25a, the control unit 231a sends a tone signal generation request for requesting the tone signal generation unit 234 to generate a tone signal. When receiving the tone signal detection signal, the control unit 231a sends a reception device detection tone reception notification notifying that the reception device detection tone signal has been received from the transmission device la to the CPU 21. Furthermore, when the transmission unit 26a detects that the tone signal generated by the tone signal generation unit 234 has been transmitted, it notifies the reception device detection tone signal that the response tone signal has been transmitted. Send notification to CPU21. Thereby, the CPU 21 can know that data is transmitted from the transmitting device la.
- the tone signal generation unit 234 In response to the tone signal generation request from the control unit 231a, the tone signal generation unit 234 generates a tone signal, and sends the generated tone signal to the transmission unit 26a.
- the transmission unit 26a transmits the tone signal generated by the tone signal generation unit 234 to the outside.
- the transmitting device la transmits and receives a tone signal to and from the receiving device 2a, and the receiving device 2a is within a communicable range. After detection, transfer data is transmitted. That is, a tone signal is transmitted from the transmitting device la to the receiving device 2a, and the receiving device 2a that has received the tone signal from the transmitting device la transmits a tone signal as a response.
- the frequency and period of the tone signal generated by the tone signal generation unit 134 of the transmission device la and the tone signal generation unit 234 of the reception device 2a are not limited to specific ones that may be the same or different.
- the number of times to send the tone signal may be one or more times. In the case of one time, the time required for receiving device detection It can be further shortened and power consumption can be reduced. In the case of multiple times, the accuracy of receiving device detection can be improved.
- the transmitting device la can determine that the receiving device 2a exists only by transmitting and receiving a tone signal to and from the receiving device 2a.
- the mobile device and the electronic device search for the counterpart device and exchange information of both devices and error retransmission.
- Each of the controllers 13a'23a as a communication control means communicates data between a portable device and an electronic device, further comprising memories 12 and 22 as storage means for storing communication functions 3, 6, and 9 having processing functions. Transfer using functions 3, 6, 9
- the transmitting side tries communication with any one of communication functions 1, 2, 4, 5, 7, and 8. At this time, if the receiving side does not have the same communication function as that of the transmitting side, use the communication time reduction effect of one of the communication functions 1, 2, 4, 5, 7, and 8. I can't.
- the portable device and the electronic device have the communication devices 3, 6, and 9 that are common to all the devices! Therefore, if the communication function of communication device 1, 2, 4, 5, 7, 8 cannot be used, it can communicate with common communication function 3, 6, 9 such as IrDA protocol. If any of the communication functions 1, 2, 4, 5, 7, and 8 can be used, communication that can shorten the communication time can be performed.
- each controller 13a of the mobile device has one of the communication functions 1, 2, 4, 5, 7, 8 at the start of data transmission. If a communication request using the communication function is made and a response to the request is not returned, the partner device has the same type of communication function 1, 2, 4, 5, 7, or 8. If not, start communication using communication functions 3, 6, and 9.
- the transmission side first tries to start communication with any one of communication functions 1, 2, 4, 5, 7, and 8, and the response of the other station is not returned. Communication is possible with common communication functions 3, 6, and 9 such as protocols.
- the other station has the same type of communication function 1, 2, 4, 5, 7, or 8. If you have a communication function that can reduce the communication time, if you do not have the same type of communication function 1, 2, 4, 5, 7, 8, etc. IrDA protocol etc. Communication function 3, 6 and 9 can communicate. Therefore, for example, communication with devices having only communication functions 3, 6, 9 such as the IrDA protocol can be performed without any problem.
- both controllers 13a '23a of the portable device and the electronic device serve as identification signal generation means for generating a tone signal as an identification signal.
- the portable device serves as a determination unit that determines whether the partner device has the same communication function of any one of the communication functions 1 to 9 described above.
- CPU 11a has CPU 1 la, and when data transmission starts, the communication function 1, 2, 4, 5, 7, 8 is used by transmitting the tone signal generated by the tone signal generator 134.
- the other device receives a tone signal from the other device, the other device has the same type of communication function 1, 2, 4, 5, 7, or 8.
- a receiving device exists only by transmitting and receiving a tone signal to and from the receiving device, and the receiving device has the same type of communication function 1, 2, 4, 5, 7, or 8. It can be determined that the function is retained.
- communication functions 3, 6, and 9 are communication functions defined by IrDA (Infrared Data Association).
- the general IrDA standard for data transfer using infrared rays is adopted, and the angle between the devices becomes a certain angle or more than a certain distance with respect to the device. Can reduce the probability of communication failure.
- the communication functions 1, 2, 4, 5, 7, and 8 use the IrDA physical layer as it is simply by changing the software. it can. Therefore, the communication functions 1, 2, 4, 5, 7, and 8 can be easily created based on the IrDA protocol.
- the integrity of the data can be detected by checking the size of the data received at the receiving side and the FCS.
- the data received by the receiving station can be recorded, or the data received in Fig. 16 (a), Fig. 17 (a), Fig. 18 (a) As shown in Fig. 19 (a) and 020 (a), if you have a display screen, you can see that it has been received normally or a display lamp that shows that reception has been received normally. Make it easy for users to identify.
- the receiving station displays a message indicating that the reception has failed or a display label indicating that the reception has been successfully received.
- the user can discriminate by turning on something like an amplifier.
- the user performs the next processing (the power to retransmit the data according to the force to record the transmitted data) if it is received normally, and communicates again if it is not received normally. For example, when displaying with a lamp, the lamp color may be changed from time to time.
- the controller 23a as the communication control means of the electronic device performs error detection and correction as an error detection means for detecting an error in the received data.
- the device having the circuit 233 and the error detection / correction circuit 233 performs data communication using the communication function of any one of the communication functions 1 to 9, and an error is detected by the error detection / correction circuit 233.
- the user can immediately determine whether the result of sending the transmitting station power data has succeeded or failed, and if it has failed, the user can send it again.
- CPU 21 receives data when performing data communication using the same type of communication function of communication functions 5 and 8.
- the status of occurrence of data errors in the middle When all packets are received and there is one or more data errors in the packet, it is determined whether there is power from the bucket in the middle of the data. It also has a function as a reason for disconnection reason, and when one of the situations occurs, a different message is displayed according to the situation.
- the data error occurrence status is that all packets have been received, and there are one or more data errors. It has a discriminating function that discriminates when the remaining packet is powerful from the packet in the middle of the data, and has a display function that displays different messages when either one of them occurs.
- the CPU 21 as the display control means performs data communication using the same communication function of any one of the communication functions 1 to 9. Sometimes, if all of the data can be received without error based on the detection by the error detection / correction circuit 233, a message indicating that the data has been successfully received is displayed, and recording is started by a start input operation with an external force. .
- an external start input operation includes, for example, an operation with a remote controller.
- a video file of a portable device such as a mobile phone and a video file of an electronic device such as a display device, a printing device, a recording device, a personal computer, and other portable devices.
- the mobile phone has only the display screen P as a small display unit. Therefore, in the past, since the video file for transmission was reduced and displayed, it took time to transfer.
- a small-sized video file for displaying thumbnails is stored in advance, and the small-sized video file is used for image selection on a mobile phone. .
- this small file becomes powerless, By having the function to generate, it takes time to make the first selection, but it will be able to select smoothly after seeing once.
- a large-sized transmission video file can be sent to display or record a beautiful video on the electronic device.
- a small-size video file for displaying thumbnails is stored in advance, so that the video file to be sent by a mobile phone can be selected smoothly. You can select while viewing the thumbnail.
- the mobile device of the present embodiment includes a display screen P as a display unit for displaying video as shown in Figs.
- the portable device is paired with the transmission video file and the transmission video file and has a smaller capacity than the transmission video file!
- send a video file for transmission while displaying on the display screen P, display the video using the video file for display.
- CPU11 ⁇ 1 la as a file transfer display control means to control.
- the CPU l'l la generates a display video file from a transmission video file and stores it in advance when there is no display video file. It has a function as
- this CPUl 'l la is a size conversion means for converting the size of the video file according to the display capability of the display device and transmitting it. It has a function. As a result, in the case of a large video file that exceeds the display capability of the display device, communication takes time, and the probability that a communication error occurs during communication can be reduced.
- this CPUl 'l la is used when the electronic device is a printing device. It has a function as a size conversion means that converts the size of the video file according to the printing capability and transmits it. As a result, in the case of a large video file that exceeds the printing capability of the printing device, the communication takes time, and the probability that a communication error occurs during the communication can be reduced.
- the CPUs 11 and 11a also have a function as resizing processing means for recording data by resizing or processing the data.
- the portable device resizes or processes the data and records it in the memory 12, so when transferring it to the electronic device, for example, reducing the size. It is possible to transfer and transfer time can be shortened.
- each block of the transmitting device 1 ⁇ la or the receiving device 2 ⁇ 2a may be configured by a single software logic, or by software using an arithmetic processing unit such as a CPU as follows. It may be realized.
- the transmitting device 1 ⁇ la or the receiving device 2 ⁇ 2a is a CPU (central processing unit) that executes instructions of a control program that realizes each function, and a ROM (read only memory) that stores the above program.
- the object of the present invention is to implement the program code (execution format program, intermediate code program, source program) of the data transfer program of the transmitting device 1 ⁇ la or the receiving device 2 ′ 2a, which is software that realizes the above-described functions.
- the readable recording medium is supplied to the transmitting device 1 ⁇ la or the receiving device 2 ⁇ 2a, and the computer (or CPU or MPU) reads and executes the program code recorded on the recording medium. This is also achievable.
- Examples of the recording medium include a tape system such as a magnetic tape and a cassette tape, a magnetic disk such as a floppy disk (registered trademark) Z hard disk, and a CD-ROMZMO.
- Disk system including optical disk such as ZMDZDVDZCD—R, ic card (including memory card) Card system such as Z optical card, or mask ROMZEPROMZEEPROM
- a semiconductor memory system such as a Z flash ROM can be used.
- the transmitting device 1 ⁇ la or the receiving device 2 ⁇ 2a is configured to be connectable to a communication network.
- the program code may be supplied via a communication network.
- the communication network is not particularly limited.
- the Internet, intranet, extranet, LAN, ISDN, VAN, CATV communication network, virtual private network, telephone line network, mobile communication Network, satellite communication network, etc. can be used.
- the transmission medium constituting the communication network is not particularly limited.
- IEEE 1394, USB, power line carrier, cable TV line, telephone line, ADSL line, etc. Bluetooth, 802.11 wireless, HDR, mobile phone network, satellite line, terrestrial digital network, etc. can also be used.
- the present invention can also be realized in the form of a carrier wave or a data signal sequence in which the program code is embodied by electronic transmission.
- the data transfer program of the present embodiment is a computer program for causing a computer to function as each means of the data transfer system. Therefore, the data transfer system can be realized by realizing each means of the data transfer system with a computer.
- the recording medium of the present embodiment is a computer-readable recording medium on which a data transfer program for operating the data transfer system is realized by causing a computer to realize the above-described means. Therefore, the data transfer system can be realized on a computer by the data transfer program read from the recording medium.
- the recording device 30 as an electronic device in the data transfer system of the present embodiment is As shown in FIG. 21, a data storage unit 31 as a recording medium for recording data, a display unit 32 as a display means for displaying data recorded in the data storage unit 31, and a data storage unit 31
- the reading unit 33, the hierarchical structure display control unit 34, and the recording unit 35 are performed by the CPU.
- the CPU also has a function of reading and executing an input operation from the input device 36 and a function as an operation input means for decoding an operation command sent from the mobile phone 40 and executing the operation. Have.
- the data storage unit 31 includes a recording medium such as a DVD (Digital Video Disk), a CD (Compact Disk), and an HDD (Hard Disk Drive) for recording data. By driving with a drive device that does not, the internal information is read or recorded.
- a recording medium such as a DVD (Digital Video Disk), a CD (Compact Disk), and an HDD (Hard Disk Drive) for recording data.
- the recording unit 35 includes a directory changing unit 35a as a directory changing unit for adding, modifying, and deleting a directory having a hierarchical structure of data, and an image card for processing image data.
- An image force measuring portion 35b is provided as a processing means.
- the image processing unit 35b performs processing such as image rotation and resizing. This function may be either software or hardware logic.
- the recording device 30 of the present embodiment includes an input device 36 as operation input means for causing the hierarchical structure display control unit 34, the recording unit 35, or the directory change unit 35a to perform each operation. Yes.
- the information data stored in the data storage unit 31 and the hierarchical structure of the data are read by the reading unit 33, and the hierarchical structure of the information data and the data is associated and displayed on the display unit 32. It becomes like this.
- the folder A'B "-F as the directory of the first hierarchy is displayed as the hierarchical structure of the data.
- the folder B is selected by the input device 36 by the input device 36 and, for example, enter input is performed.
- the second screen image 1 '82'83' 6 is displayed on the second screen of the display unit 32 as the hierarchical structure of the data. Therefore, by selectively inputting the image B3, the image B3 is enlarged and displayed as shown in the lower part of FIG.
- images ⁇ ⁇ ⁇ 1, ⁇ 2, ⁇ 3, ⁇ 6, which are information data, are stored in a hierarchical structure in the data storage unit 31.
- the force indicating a three-layer hierarchical structure is not necessarily limited to this, and only the first layer may be used.
- the new video data X is, for example, in the second hierarchy.
- the image is added as image ⁇ 7, it can be added to the second layer by selecting and dragging video data X, for example.
- the second hierarchy is "0101, 0102, 0103, "
- the third hierarchy is "010101, 010102, 010103, "
- an operation of reading information data stored in the data storage unit 31 and the hierarchical structure of the data from the mobile phone 40 as a mobile device to the recording device 30 for example, an operation of reading information data stored in the data storage unit 31 and the hierarchical structure of the data from the mobile phone 40 as a mobile device to the recording device 30.
- the operation of displaying the information data and the hierarchical structure of the data in association with each other on the display unit 32, the operation of recording the data received from the mobile phone 40 in the directory of the hierarchical structure, and adding, modifying and deleting the directory of the hierarchical structure of the data It is possible to perform an action that does at least one of the following.
- the transmission device 1 or the transmission device la as the operation command transmission means of the mobile phone 40 transmits the operation command to the reception device 2 or the reception device 2a of the recording device 30.
- the operation command directory Each operation can be performed by the directory changing unit 35a that also functions as a changing unit.
- the communication interface between the recording device 30 and the display unit 32 is not limited to a wired communication interface, and may be, for example, a wireless interface, that is, a wireless communication interface.
- optical transceivers 37 and 37 as wireless communication interfaces are provided in the recording device 30 and the display unit 32, respectively.
- the recording device 30 and the display unit 32 can transmit information by wireless communication.
- the present embodiment includes the input device 36 as an operation input means for operating information data.
- the present invention is not limited to this, and for example, a button (not shown) is attached to the recording device 30 to add a button. A little.
- the recording device 30 can be reduced in size and can be carried around.
- information data can be displayed on the display unit 32 in association with the data hierarchical structure of the data storage unit 31 in the recording device 30 is also useful when the user grasps the information data in the data storage unit 31.
- information data is image, video or music data.
- the data storage unit 31 as a recording medium is configured by a DVD, and information data and the hierarchical structure of the data are recorded on the DVD by the recording unit 35, and recorded on the DVD. It is possible to apply the present invention to an album browsing system including a data transfer system that displays the information data and the hierarchical structure of the data on the display unit 32.
- an album browsing system that records and saves information data and a hierarchical structure of data on a DVD and displays and browses the information data and the hierarchical structure of data recorded on the DVD on the display unit 32 can be provided. Can be provided.
- the data transfer system of the present invention includes a wireless communication interface, And a first device having a storage medium for storing data and a wireless communication interface, a display device for displaying data, a printing device for printing data, a recording device for recording data, a personal computer, or A data transfer system including a second device including any one of devices having other storage media, wherein the first device and the second device have a transmitter searching for a partner device when communication is started.
- the packet (data group) to be transmitted includes data necessary for parameter setting for data communication and data or commands necessary for upper layer connection, and when the receiver receives the packet, data communication is performed.
- a packet including data necessary for connection is included in a station discovery command (XID command in IrDA) that searches for a partner device at the start of communication.
- Use communication function 1 to communicate between the first device and the second device.
- connection is established simultaneously with station discovery. For this reason, the number of exchange packets required for station discovery and connection from lower layer to upper layer (usually connected from the lower layer to the upper layer in order) can be terminated by a pair or one packet. . As a result, the total data transfer time can be shortened.
- the data transfer system of the present invention includes a wireless communication interface, a first device including a storage medium for storing data, a display device that includes the wireless communication interface, displays data, and a printing device that prints data.
- a data transfer system including a recording device for recording data, a personal computer, or a second device including any one of devices having other storage media, wherein the first device and the second device are ,communication Instead of the packet (data group) issued by the transmitter to search for the partner device at the start, parameters necessary for setting parameters for data communication and parameters indicating that the response of the receiver is unnecessary, and higher layers
- Each of which is provided with a storage unit for storing a program and data for realizing communication function 2 for transmitting to a receiver including data or commands necessary for connection of the communication, and a communication control unit for controlling communication. Both the communication control means of the first device and the second device transfer data between the first device and the second device using the communication function 2 described above.
- the first device and the second device are pre-set with data necessary for parameter setting for data communication and data or commands necessary for upper layer connection.
- the initial value is used when there is no data or command value setting information in the packet issued by the transmitter and receiver.
- the first device and the second device are pre-set with data necessary for parameter setting for data communication and data or commands necessary for higher-layer connection.
- the initial value is used when there is no data or command value setting information in the packet issued by the transmitter and receiver.
- a fixed value may be used for the station discovery and connection packet in the communication between the first device and the second device! /.
- the packet transfer rate used for station discovery and connection is often slower than the data transfer rate during normal data transfer. For this reason, it is possible to shorten the total data transfer time by setting a fixed value in which the packet length is shortened in advance and using the packet having the fixed value power. Therefore, reducing the probability that communication will fail when the angle between the first device and the second device is more than a certain angle or the distance is more than a certain distance. Can do.
- the data transfer system of the present invention includes a wireless communication interface, a first device including a storage medium for storing data, a display device that includes the wireless communication interface, displays data, and a printing device that prints data.
- a recording device for recording data A computer that includes either one of a personal computer or other device equipped with a storage medium.
- a data transfer system including two devices, wherein the first device and the second device include a parameter for data communication in a packet (data group) issued by the transmitter to search for a partner device at the start of communication. Including data necessary for setting and data or commands necessary for upper layer connection, and data necessary for parameter setting for data communication and upper layer connection when the receiver receives the packet. Necessary for setting parameters for data communication in communication function 1 that returns packets containing necessary data or responses, and packets (data group) that the transmitter sends to search for other devices at the start of communication.
- the communication control means of the first device and the second device has the first communication function when the data communication is performed between the first device and the second device. Communication is performed using any one of communication function 1 to communication function 3 provided according to the situation of the device and the second device.
- the transmitter tries communication using any one of the communication functions 1 to 3. If the receiver does not have communication function 1 or communication function 2, the communication time shortening effect of communication function 1 or communication function 2 cannot be used. However, in the present invention, both the first device and the second device have a common communication function 3. Therefore, when neither communication function 1 or communication function 2 can be used, communication can be performed with communication function 3, while when either communication function 1 or communication function 2 can be used, the communication time can be shortened. It can be performed.
- the data transfer system of the present invention includes a wireless communication interface, a first device including a storage medium for storing data, a display device that includes the wireless communication interface, displays data, and a printing device that prints data.
- a data transfer system including a recording device for recording data, a personal computer, or a second device including any one of devices having other storage media, wherein the first device and the second device are The day
- a storage means for storing a program and data for realizing a communication function 4 for processing a reply of a packet related to the presence / absence of an error or necessity of retransmission with a single packet and a communication control means for controlling communication
- the communication control means of both the first device and the second device transfer data between the first device and the second device using the communication function 4.
- communication between the first device and the second device is performed using the communication function 4 that performs communication of a large number of consecutive packets. To do.
- the CPU processing can be reduced by reducing the exchange of response packets and flow control packets that are usually required for each single or small number of packets, and the overall data transfer time is shortened. can do. Therefore, if the angle between the first device and the second device is more than a certain angle, or the distance is more than a certain distance, the probability of communication failure can be reduced. .
- the data transfer system of the present invention includes a wireless communication interface, a first device including a storage medium for storing data, a display device that includes the wireless communication interface, displays data, and a printing device that prints data.
- a data transfer system including a recording device for recording data, a personal computer, or a second device including any one of devices having other storage media, wherein the first device and the second device are During data communication, a program for storing the communication function 5 for transmitting data once in a single process regardless of whether there is an error in the receiver 5 and a storage means for storing data, and communication for controlling communication Each of the first device and the second device is controlled between the first device and the second device. The data transferred using the communication function 5.
- the data transfer system of the present invention includes a wireless communication interface, a first device including a storage medium for storing data, a display device that includes the wireless communication interface, displays data, and a printing device that prints data.
- a data transfer system including a recording device for recording data, a personal computer, or a second device including any one of devices having other storage media, wherein the first device and the second device are During data communication, a single packet response regarding whether there is an error or whether retransmission is required
- Communication function 4 that processes by packet
- communication function 5 that transmits data only once in one process regardless of whether there is an error in the receiver during data communication, and whether there is an error or whether retransmission is necessary
- Two or more communication functions of the communication function 6 for processing a packet response using a plurality of packets are provided, and the communication control means for both the first device and the second device is the first device and the second device.
- the data transfer system of the present invention includes a wireless communication interface, a first device including a storage medium for storing data, a display device that includes the wireless communication interface, displays data, and a printing device that prints data.
- a data transfer system including a recording device for recording data, a personal computer, or a second device including any one of devices having other storage media, wherein the first device and the second device are
- the packet (data group) that the transmitter sends to search for the partner device at the start of communication includes the data necessary for parameter setting for data communication and the data or command necessary for the upper layer connection and reception.
- a storage means for storing a program and data for realizing the communication function 7 having both functions of the communication function 4 and a communication control means for controlling the communication are provided, and the first device and the first device are provided. Both communication control means of the two devices transfer data between the first device and the second device using the communication function 7.
- the data transfer time can be further shortened. Therefore, if the angle between the first device and the second device becomes a certain angle or more, or the distance becomes a certain distance or more, the probability of communication failure can be reduced.
- the data transfer system of the present invention includes a wireless communication interface and data.
- a first device having a storage medium to store, a wireless communication interface, a display device for displaying data, a printing device for printing data, a recording device for recording data, a personal computer, or other storage media Of equipment that includes one of the
- a data transfer system including two devices, wherein the first device and the second device include a parameter for data communication in a packet (data group) issued by the transmitter to search for a partner device at the start of communication. Transmit data including the data necessary for setting and the parameter indicating that the response of the receiver is not necessary, and the data or command necessary for the upper layer connection, and the transmitter and receiver transmit and receive the packet.
- Both communication function 2 that completes connection processing at once and communication function 5 that transmits data only once per process regardless of whether there is an error in the receiver during data communication.
- a storage means for storing a program and data for realizing the communication function 8; and a communication control means for controlling communication. Both communication control means of the data between the first device and the second device to transfer using the communication function 8.
- the data transfer system of the present invention includes a wireless communication interface and a first device having a storage medium for storing data, a wireless communication interface, a display device for displaying data, a printing device for printing data, and data
- a data transfer system including a recording device for recording, a personal computer, or a second device including one of the devices having other storage media, wherein the first device and the second device start communication.
- the packet (data group) that is sometimes transmitted by the transmitter to search for the partner device includes data necessary for parameter setting for data communication and data or commands necessary for upper layer connection.
- the data required for parameter setting for data communication and the connection of the upper layer Communication function 1 that returns packets that contain data or responses necessary for data transmission
- communication function 4 that processes the response of packets related to the presence or absence of errors and the necessity of retransmission during data communication using a single packet.
- the communication function 7 that has the function and the packet (data group) that the transmitter sends to search for the partner device at the start of communication do not need the data required for parameter setting for data communication and the response of the receiver Parameters that indicate
- the transmitter and the receiver transmit data including the data or commands necessary for the upper layer connection.
- the communication function 8 that has both functions of the communication function 5 that transmits data once in a single process regardless of whether there is an error, and the lower layer after searching for the partner device and recognizing the existence of the partner device Communication function 3 that exchanges data necessary for connection to the upper layer in order, and communication function 6 that processes the response of packets related to the presence of errors and the necessity of retransmission using multiple packets
- Two or more of the communication functions 9 having both functions are provided, and both communication control means of the first device and the second device perform data communication between the first device and the second device.
- both the communication control means of the portable device and the display device each include an identification signal generating means for generating an identification signal, and the other device communicates with the portable device.
- a determination means for determining whether or not any one of the functions 1 to 9 has the same type of communication function is provided, and the determination means transmits the identification signal generated by the identification signal generation means at the start of data transmission. Therefore, when a communication request using any one of the communication functions 1 to 9 is made and an identification signal is received from the other device, the other device is the same as one of the communication functions 1 to 9. It is determined that the device possesses various types of communication functions.
- the portable device uses any one of the communication functions 1 to 9 by transmitting an identification signal at the start of data transmission. After that, when the identification signal from the partner device is received, it is determined that the partner device has any one of the communication functions 1 to 9 described above.
- the receiving device exists and the receiving device possesses the same type of communication function 1 to 9 only by transmitting and receiving the identification signal to and from the receiving device. It can be determined that it is.
- the data transfer system of the present invention is the above-described data transfer system, wherein
- the communication control means of the display device includes error detection means for detecting an error in the received data, and the display device has the same type of any one of the communication functions 1, 2, 4, 5, 7, and 8.
- a display indicating that the image can be displayed or has been successfully received is displayed. If there is a problem that prevents all data from being received without error due to some problem, a display control means is provided to display that the data could not be received! / Speak.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the display device is one of the communication functions 1, 2, 4, 5, 7, 8 ⁇
- the display device is one of the communication functions 1, 2, 4, 5, 7, 8 ⁇
- the user can immediately determine whether the result of sending the transmission station power data has succeeded or failed, and if it has failed, the user can send it again.
- the data transfer system of the present invention is the data transfer system described above, wherein the display control means uses the same type of communication function among the communication functions 5 and 8 for data communication.
- the status of occurrence of data errors during data reception when all packets are received, and there is one or more data errors in the packet, and the remainder from the mid-data packet A discriminating means for discriminating between cases where there is an error is provided, and when one of the situations occurs, a different message is displayed corresponding to the situation.
- the data transfer method of the data transfer system of the present invention includes the data transfer described above.
- the display device has a data error occurrence state during data reception when performing data communication using the same communication function of any one of the communication functions 5 and 8.
- the remaining packet is powerful from the packet in the middle of the data. If it occurs, a different message is displayed according to the situation.
- the occurrence status of the data error is that all the packets are received, and one or more data errors are included therein.
- the portable device has a display unit for displaying video, a video file for transmission, and a video file for transmission. And a storage means for storing a video file for display having a smaller capacity than the video file for transmission and the video file for transmission when transmitting wirelessly,
- file transfer display control means for controlling to display video using a display video file is provided.
- the mobile device transmits a video file for transmission when performing wireless transfer,
- the display video file is paired with the transmission video file and has a smaller capacity than the transmission video file. Display video using a file.
- a large transmission video file for data transmission and a small video file paired with the transmission video file are stored. deep.
- a large video file is transmitted, and when a display unit of the own device is used, a small video file for display is displayed.
- the display video file is previously stored from the transmission video file.
- Display video file generation and storage means for generating and storing is provided.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device displays the transmission video file power display in advance when there is no display video file.
- V can display and select files.
- the data transfer system of the present invention is the above-described data transfer system, wherein the portable device changes the size of the video file in accordance with the display capability of the display device. It is equipped with a size conversion means for transmitting force.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device converts the size of the video file in accordance with the display capability of the display device. To send.
- the communication takes time, and the probability that a communication error occurs during the communication can be reduced.
- the portable device in the data transfer system described above, includes a resizing unit for resizing or processing the video data to record.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device resizes or processes the video data and records it.
- the mobile device since the mobile device records the video data by resizing or processing it, when transferring it to the display device, for example, it can be transferred with a reduced size, thereby reducing the transfer time. can do.
- both the communication control means of the portable device and the printing apparatus each have an identification signal generating means for generating an identification signal.
- the mobile device includes a determination means for determining whether the counterpart device has the same communication function of any one of the communication functions 1 to 9, and the determination means includes data transmission
- a communication request using any one of the communication functions 1 to 9 is made by transmitting the identification signal generated by the identification signal generating means, and then the identification signal of the counterpart device power is received.
- the other device is determined, it is determined that any one of the communication functions 1 to 9 above has the same type of communication function.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device transmits the identification signal at the start of data transmission.
- the other device Is determined to have the same type of communication protocol as any of the above communication functions 1-9.
- the receiving device exists and the receiving device has the same type of communication function 1 to 9 only by transmitting and receiving the identification signal to and from the receiving device. It can be determined that it is.
- the communication control means of the printing apparatus includes an error detection means for detecting an error of the received data, and the printing The device performs data communication using the communication function of any one of the communication functions 1, 2, 4, 5, 7, and 8 and detects an error by the error detection means. If it is received without error, it will display at least one of the ability to print the image or display that it has been successfully received. , Equipped with display control means to display that it could not be received! / Speak.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the printing device is one of the communication functions 1, 2, 4, 5, 7, and 8. ⁇
- the printing device is one of the communication functions 1, 2, 4, 5, 7, and 8. ⁇
- the video is printed and a display indicating that the data has been received successfully or Z is present. If all data is received without error, the display indicating that the data cannot be received is displayed.
- the user can immediately determine whether the result of sending the transmission station power data has succeeded or failed, and if it has failed, the user can send it again.
- the display control unit has a communication function of the same type of any one of the communication functions 5 and 8. Status of occurrence of data error during data reception when used data communication When all packets are received, and there is one or more data errors in the packet, the remaining data from the packet in the middle It is provided with a discriminating means for discriminating whether or not the power has reached its power, and when one of the situations occurs, a different message is displayed corresponding to the situation.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, in which the printing device communicates with the same type of either of the communication functions 5 and 8.
- the data error occurrence status during data reception indicates that all packets have been received, and there are one or more data errors in the packet.
- the remaining power is determined from the packet, if any one of the situations occurs, a different message is displayed according to the situation.
- the occurrence status of the data error is that all the packets have been received, and one or more data errors are included therein.
- the data transfer system of the present invention is the above-described data transfer system, wherein the display control means is the same type of any one of the communication functions 1, 2, 4, 5, 7, and 8.
- the display control means is the same type of any one of the communication functions 1, 2, 4, 5, 7, and 8.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the printing device is one of the communication functions 1, 2, 4, 5, 7, 8 When data communication using the same type of communication function is performed, if all data can be received without error, a message indicating that the data has been received normally is displayed.
- printing is started by a start input operation of an external force.
- the display function indicating that the data has been received normally, and the start input operation from the outside after successful reception Provide a function to start recording received data.
- the portable device has a display unit for displaying video, a video file for transmission, and a video file for transmission. And a storage means for storing a video file for display having a smaller capacity than the video file for transmission and the video file for transmission when transmitting wirelessly,
- file transfer display control means for controlling to display video using a display video file is provided.
- the mobile device transmits a video file for transmission when performing wireless transfer, When displaying on the display unit, the video is displayed using the display video file that is paired with the transmission video file and has a smaller capacity than the transmission video file.
- a large transmission video file for data transmission and a small video file paired with the transmission video file are stored. deep.
- a large video file is transmitted, and when a display unit of the own device is used, a small video file for display is displayed.
- the portable device when the display device does not have a display video file, the portable device previously stores a display video file from a transmission video file.
- Display video file generation and storage means for generating and storing is provided.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device displays the transmission video file power display in advance when there is no display video file. Create and store video files for use
- V can display and select files.
- the portable device converts the size of the video file according to the printing capability of the printing apparatus and transmits the power.
- a size conversion means is provided.
- the portable device converts the size of the video file in accordance with the printing capability of the printing apparatus. To send.
- the communication takes time, and the probability that a communication error occurs during the communication can be reduced.
- the data transfer system of the present invention is the above-described data transfer system, wherein
- the portable device includes resize processing means for resizing or processing data and recording it.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device records the data by resizing or processing the data.
- the portable device since the portable device records data by resizing or processing the data, for example, when transferring the data to the printing apparatus, the data can be transferred with a reduced size, thereby reducing the transfer time. be able to.
- both the communication control means of the portable device and the recording device each have an identification signal generation means for generating an identification signal.
- the mobile device includes a determination means for determining whether the counterpart device has the same communication function of any one of the communication functions 1 to 9, and the determination means includes data transmission
- a communication request using any one of the communication functions 1 to 9 is made by transmitting the identification signal generated by the identification signal generating means, and then the identification signal of the counterpart device power is received.
- the other device is determined, it is determined that any one of the communication functions 1 to 9 above has the same type of communication function.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device transmits the identification signal at the start of data transmission.
- the partner device receives the communication function 1, 2, 4, 5, 7, 8 It is determined that either one has the same type of communication function.
- the receiving device exists and the receiving device has the same type of communication function 1 to 9 only by transmitting and receiving the identification signal to and from the receiving device. It can be determined that it is.
- the communication control means of the recording device includes an error detection means for detecting an error in the received data.
- the recording device performs data communication using the same communication function of any one of the communication functions 1, 2, 4, 5, 7, and 8, and detects an error by the error detection means.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the recording device is one of the communication functions 1, 2, 4, 5, 7, 8 ⁇
- the recording device is one of the communication functions 1, 2, 4, 5, 7, 8 ⁇
- a display that indicates the ability to record video or that the data could be received normally is displayed. If at least one of the above is performed and the data cannot be received without error due to some problem, a message indicating that the data could not be received is displayed.
- the user can immediately determine whether the result of transmitting the transmission station power data has succeeded or failed, and if it has failed, the user can retransmit again.
- the data transfer system of the present invention is the data transfer system described above, wherein the display control means uses the same type of communication function among the communication functions 5 and 8 for data communication.
- the status of occurrence of data errors during data reception when all packets are received, and there is one or more data errors in the packet, and the remainder from the mid-data packet A discriminating means for discriminating between cases where there is an error is provided, and when one of the situations occurs, a different message is displayed corresponding to the situation.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the recording device is one of the communication functions 1 to 9.
- the recording device is one of the communication functions 1 to 9.
- the occurrence of data errors during data reception when performing data communication using the same type of communication function has received all packets, and there are one or more data errors in it. And when the remaining power is strong from the packet in the middle of the data, and when one of the situations occurs, a different message is displayed according to the situation.
- the occurrence status of the data error indicates that all packets have been received, and one or more data errors are included therein.
- the data transfer system of the present invention is the above-described data transfer system, wherein the display control means is the same type of any one of the communication functions 1, 2, 4, 5, 7, and 8.
- the display control means is the same type of any one of the communication functions 1, 2, 4, 5, 7, and 8.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the recording device is one of the communication functions 1, 2, 4, 5, 7, 8 When data communication using the same type of communication function is performed, if all data can be received without error, a message indicating that the data has been received normally is displayed.
- Recording is started by a start input operation of an external force.
- the portable device in the data transfer system described above, has a display unit for displaying video, a transmission data file, and the transmission data file.
- Storage means for storing a display data file having a capacity smaller than that of the transmission data file, and when transmitting wirelessly, the transmission data file is transmitted while being displayed on the display unit.
- file transfer display control means for controlling to display video using a display data file.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device transmits a data file for transmission when performing wireless transfer, When displaying on the display unit, the video is displayed using a display data file that is paired with the transmission data file and has a smaller capacity than the transmission data file.
- a large transmission data file for data transmission and a small data file paired with the transmission data file are stored. Keep it.
- wireless transfer is performed, a large data file is transmitted, and when the display unit of the own device is used, a small display data file is displayed.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device has a transmission data file capability in advance when there is no display data file. Generate and store a display data file.
- V can display and select files.
- the portable device in the data transfer system of the present invention, in the data transfer system described above, includes a resizing processing unit that resizes or processes data and records the data.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device records the data by resizing or processing the data.
- the portable device since the portable device records data by resizing or processing the data, for example, when transferring the data to a recording device, the data can be transferred with a reduced size, thereby reducing the transfer time. be able to.
- the recording device in the data transfer system of the present invention, includes a recording medium for recording data, and display means for displaying the data recorded on the recording medium. And reading means for reading the information data stored in the recording medium and the hierarchical structure of the data, and a hierarchical structure display control means for displaying the information data and the hierarchical structure of the data in association with each other on the display means.
- the recording medium The hierarchical structure of the body data is not necessarily a multiple hierarchy, but a single hierarchy.
- the data transfer system of the present invention is the data transfer system described above, wherein the recording device includes a recording medium for recording data, information data stored in the recording medium, and a hierarchy of the data Reading means for reading the structure, and recording means for recording the data received from the portable device in a hierarchical directory.
- the data transfer system of the present invention is the data transfer system described above, wherein the recording device includes a recording medium for recording data, information data stored in the recording medium, and a hierarchy of the data A reading means for reading the structure and a directory changing means for adding, modifying, and deleting the directory having the hierarchical structure of the data are provided.
- the data transfer system of the present invention is the data transfer system described above, wherein the recording device causes the hierarchical structure display control means, the recording means or the directory changing means to perform each operation. It is equipped with operation input means.
- the data transfer system of the present invention is the data transfer system described above, wherein the portable device causes the hierarchical structure display control means, the recording means, or the directory changing means to perform each operation. While provided with an operation command transmission means for transmitting an operation command to the recording means, the operation input means of the recording device receives the operation command from the portable device and causes each operation to be performed.
- the recording apparatus may include an image processing unit that processes image data.
- the data transfer system of the present invention is the data transfer system described above, wherein the recording device includes a wireless communication interface for performing wireless transmission with the display means.
- the above invention has a function of reading information data and a hierarchical structure of the recording medium in the recording apparatus and performing data processing such as addition, correction, and deletion of the hierarchical structure of the information data and data.
- This function may be realized by either software or hardware.
- the information data when it is an image, it has processing functions such as image rotation and resizing. It is preferable.
- a display means for displaying these information or a display means prepared separately is provided, and information data in the recording medium and a data hierarchical structure are displayed on the display means.
- the communication interface between the recording device and the display means is not limited to a wired communication interface, and may be a wireless interface, that is, a wireless communication interface.
- an operation input means for operating these information data for example, a button may be added to the recording device, or an operation command for performing a data operation may be received by a portable device.
- the recording apparatus can be reduced in size and can be carried around.
- information data can be displayed on the display means in association with the data hierarchical structure of the recording medium in the recording apparatus is also useful when the user grasps the information data of the recording medium. Especially when the information data is image, video or music data, it will be very useful
- the album browsing system of the present invention is an album browsing system including the data transfer system described above, wherein the recording medium is configured as a DVD, and information is stored in the DVD.
- the data and the hierarchical structure of the data are recorded, and the information data recorded on the DVD and the hierarchical structure of the data are displayed on the display means.
- This provides an album browsing system that records and saves information data and the hierarchical structure of data on a DVD, and displays and browses the hierarchical structure of information data and data recorded on the DVD on a display means. can do.
- the data transfer system of the present invention is the above-described data transfer system, wherein both the communication control means of the portable device and the personal computer include an identification signal. Respectively, and the portable device and the personal computer determine whether the counterpart device has any one of the communication functions 1 to 9 of the same type. The determination means performs a communication request using the communication function of any one of the communication functions 1 to 9 by transmitting the identification signal generated by the identification signal generation means at the start of data transmission, After that, when the above identification signal for the counterpart device is received, it is determined that the counterpart device has one of the communication functions 1 to 9 described above.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the portable device and the personal computer have an identification signal at the start of data transmission.
- the partner device receives the communication function 1 to 9 It is determined that the same type of communication function is possessed.
- the receiving device exists and the receiving device has the same type of communication function 1 to 9 only by transmitting and receiving the identification signal to and from the receiving device. It can be determined that it is.
- the data transfer system of the present invention is the above-described data transfer system, wherein at least one of the communication control means of the portable device and the personal computer is an error detection means for detecting an error of the received data.
- a device equipped with the error detecting means performs data communication using the same communication function of any one of the communication functions 1, 2, 4, 5, 7, and 8 by the error detecting means.
- As a result of detecting an error if all of the data is received without error, at least one of the ability to record the data and a display indicating that the data has been received normally is displayed.
- display control means for displaying that the power that cannot be received is displayed.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein at least one of the portable device and the personal computer has the communication function 1, 2, 4, 5, 7, 8 If all data is received without error as a result of data communication using the communication function of the operator, at least the ability to record data or display that it has been received normally Either of these is performed, and if all data is received without error due to some problem, a message indicating that the data could not be received is displayed.
- the user can immediately determine whether the result of sending the transmitting station power data has succeeded or failed, and if it has failed, the user can send it again.
- the data transfer system of the present invention is the data transfer system described above, wherein the display control means uses the same type of communication function among the communication functions 5 and 8 for data communication.
- the status of occurrence of data errors during data reception when all packets are received, and there is one or more data errors in the packet, and the remainder from the mid-data packet A discriminating means for discriminating between cases where there is an error is provided, and when one of the situations occurs, a different message is displayed corresponding to the situation.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein at least one of the portable device and the personal computer has the communication function 5, The data error occurrence status during data reception when data communication using the same type of communication function of any one of 8 is performed, and all packets are received, and one or more data are included in it. When there is an error and when the remaining packet is powerful from the middle of the data, if one of the situations occurs, a different message is displayed according to the situation. .
- the occurrence status of the data error indicates that all packets have been received, and one or more data errors are included therein. Discriminating between the case where there is an error and the case where the remainder cannot be reached from the packet in the middle of the data It has a separate function, and if any one of these situations occurs, it has a display function that displays different messages.
- the data transfer system of the present invention is the above-described data transfer system, wherein the display control means is the same type of any one of the communication functions 1, 2, 4, 5, 7, and 8.
- the display control means is the same type of any one of the communication functions 1, 2, 4, 5, 7, and 8.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein at least one of the portable device and the personal computer has the communication function 1, When data communication using the communication function of the same type of any of 2, 4, 5, 7, and 8 was performed, if all of the data was received without error, it was successfully received. Is displayed, and recording is started by an external start input operation.
- the communication control unit of each portable device includes an identification signal generation unit that generates an identification signal.
- Each of the above mobile devices is connected to any of the above communication functions 1-9.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein each portable device transmits an identification signal at the start of data transmission.
- the other device When a communication request using one of the communication functions 1 to 9 is made, and then the identification signal from the other device is received, the other device is the same type as one of the communication functions 1 to 9. It is determined that it has the communication function of
- the receiving device exists and the receiving device has the same type of communication function 1 to 9 only by transmitting and receiving the identification signal to and from the receiving device. It can be determined that it is.
- At least one communication control unit of each portable device includes an error detection unit that detects an error of the received data.
- the device provided with the error detection means performs data communication using the communication function of the same type of any one of the communication functions 1, 2, 4, 5, 7, and 8, and the error is detected by the error detection means.
- the error detection means As a result of detection, if all of the data can be received without error, at least one of the ability to record the data and the display indicating that the data has been received normally is displayed.
- display control means is provided for performing a display indicating that the signal cannot be received.
- the data transfer method of the data transfer system of the present invention is the same as the data transfer method of the data transfer system described above, wherein at least one device of each of the mobile devices has the communication function 1, 2 , 4, 5, 7, 8
- the ability to record data or Display at least one of the indications that the data could be received normally, and be able to receive all of the data without error due to some problem. In some cases, a display indicating that there is power that cannot be received is performed.
- the user can immediately determine whether the result of transmitting the transmission station power data has succeeded or failed, and if it has failed, the user can retransmit again.
- the data transfer system of the present invention is the data transfer system described above, wherein the display control means uses the same type of communication function among the communication functions 5 and 8 for data communication.
- the status of occurrence of data errors during data reception when all packets are received, and there is one or more data errors in the packet, and the remainder from the mid-data packet A discriminating means for discriminating between cases where there is an error is provided, and when one of the situations occurs, a different message is displayed corresponding to the situation.
- the data transfer method of the data transfer system of the present invention is based on the data transfer method of the data transfer system described above, and at least one of the portable devices has the communication function 5, 8
- the occurrence status of the data error indicates that all packets have been received, and one or more data errors are included therein.
- the data transfer system of the present invention is the above-described data transfer system, wherein the display control means is the same type of any one of the communication functions 1, 2, 4, 5, 7, and 8.
- the display control means is the same type of any one of the communication functions 1, 2, 4, 5, 7, and 8.
- the data transfer method of the data transfer system of the present invention is based on the data transfer method of the data transfer system described above, and at least one of the portable devices has the communication function 1, 2 , 4, 5, 7, 8
- the communication function 1, 2 , 4, 5, 7, 8 When data communication is performed using the same type of communication function, if all of the data can be received without error, it is confirmed that the data has been received normally. Display is started, and recording is started by a start input operation of an external force.
- the display function indicates that the data has been successfully received, and after the data has been normally received, the data has been received by an external start input operation. Provide a function to start data recording.
- the wireless communication is infrared (IR) communication.
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the wireless communication is infrared (IR) communication.
- IR infrared
- the angle between the devices is more than a certain angle, or the distance is more than a certain distance. By becoming a distance, the probability of communication failure can be reduced.
- the communication functions 3, 6, and 9 are communication functions defined by IrDA (Infrared Data Association).
- the data transfer method of the data transfer system of the present invention is the data transfer method of the data transfer system described above, wherein the communication functions 3, 6, and 9 are communication defined by IrDA (Infrared Data Association). It is a function.
- communication functions 3, 6, and 9 are communication functions defined by IrDA (Infrared Data Association)
- IrDA Infrared Data Association
- the general IrDA standard is adopted for data transfer using infrared rays. If the angle between devices is more than a certain angle or the distance is more than a certain distance, the probability of communication failure may be reduced. it can.
- the communication functions 1, 2, 4, 5, 7, and 8 can be performed by changing the software, and the physical layer of IrDA remains unchanged. Can be used. Therefore, the communication functions 1, 2, 4, 5, 7, and 8 can be easily created by changing or adding a part of the IrDA protocol layer.
- the data transfer program of the present invention is a computer program for causing a computer to function as each means of the data transfer system in order to solve the above problems.
- the data transfer system can be realized by realizing each means of the data transfer system by a computer.
- the recording medium of the present invention is a computer-readable recording medium on which a data transfer program for operating the above-described data transfer system is recorded by causing a computer to realize the above means.
- the data transfer system can be realized on a computer by the data transfer program read from the recording medium.
- a connection can be established in a short time. Therefore, for example, portable devices can be used for portable devices, portable devices can be used for printers, portable devices can be used for display devices, and portable devices can be used for communication of AV devices (recording devices) such as DVD recorders.
- portable devices can be used for portable devices
- portable devices can be used for printers
- portable devices can be used for display devices
- portable devices can be used for communication of AV devices (recording devices) such as DVD recorders.
Abstract
Description
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Priority Applications (28)
Application Number | Priority Date | Filing Date | Title |
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EP06712348.9A EP1848178A4 (en) | 2005-01-28 | 2006-01-25 | COMMUNICATION DEVICE, COMMUNICATION SYSTEM, COMMUNICATION METHOD, COMMUNICATION PROGRAM, AND COMMUNICATION CIRCUIT |
PCT/JP2006/301153 WO2006080357A1 (ja) | 2005-01-28 | 2006-01-25 | 通信機器、通信システム、通信方法、通信プログラム、通信回路 |
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PCT/JP2006/301106 WO2006080330A1 (ja) | 2005-01-28 | 2006-01-25 | 通信装置、通信システム、通信方法、通信プログラム、通信回路 |
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CN2006800033174A CN101112068B (zh) | 2005-01-28 | 2006-01-26 | 通信设备、通信系统、通信方法、移动电话、显示装置、印刷装置 |
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PCT/JP2006/301183 WO2006080372A1 (ja) | 2005-01-28 | 2006-01-26 | 通信機器、通信システム、通信方法、通信プログラム、通信回路 |
PCT/JP2006/301238 WO2006080403A1 (ja) | 2005-01-28 | 2006-01-26 | 通信機器、通信システム、通信方法、通信プログラム、通信回路 |
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JP2008074577A JP2008206175A (ja) | 2005-01-28 | 2008-03-21 | 通信機器、通信システム、通信方法、通信プログラム、通信回路、携帯電話、表示装置、印刷装置、記録装置 |
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- 2005-08-05 KR KR1020077003234A patent/KR100869540B1/ko active IP Right Grant
- 2005-08-05 US US10/577,337 patent/US8036244B2/en not_active Expired - Fee Related
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JP2013153535A (ja) * | 2007-07-18 | 2013-08-08 | Koninkl Philips Electronics Nv | ネットワークにおいて報告メッセージを生成する方法 |
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JP2011119924A (ja) * | 2009-12-02 | 2011-06-16 | Canon Inc | データ送信装置及びデータ受信装置 |
CN103001667A (zh) * | 2011-09-08 | 2013-03-27 | 索尼公司 | 通信装置、通信系统、通信方法 |
JP5669158B1 (ja) * | 2014-04-11 | 2015-02-12 | パナソニックIpマネジメント株式会社 | コードレス電話装置及び電話帳制御方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1780984A4 (en) | 2012-05-30 |
JPWO2006013979A1 (ja) | 2008-05-08 |
US8036244B2 (en) | 2011-10-11 |
JP4091095B2 (ja) | 2008-05-28 |
US20080279562A1 (en) | 2008-11-13 |
KR20070034096A (ko) | 2007-03-27 |
KR100869540B1 (ko) | 2008-11-19 |
EP1780984A1 (en) | 2007-05-02 |
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