WO2012004939A1 - 通信装置及び通信方法 - Google Patents
通信装置及び通信方法 Download PDFInfo
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- WO2012004939A1 WO2012004939A1 PCT/JP2011/003479 JP2011003479W WO2012004939A1 WO 2012004939 A1 WO2012004939 A1 WO 2012004939A1 JP 2011003479 W JP2011003479 W JP 2011003479W WO 2012004939 A1 WO2012004939 A1 WO 2012004939A1
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- information
- communication
- wireless communication
- proximity wireless
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10237—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the reader and the record carrier being capable of selectively switching between reader and record carrier appearance, e.g. in near field communication [NFC] devices where the NFC device may function as an RFID reader or as an RFID tag
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10198—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10198—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes
- G06K7/10207—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes parameter settings related to power consumption of the interrogator
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10198—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes
- G06K7/10227—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves setting parameters for the interrogator, e.g. programming parameters and operating modes loading programming parameters or programs into the interrogator, e.g. for configuring the interrogator
Definitions
- the present invention relates to a communication apparatus and a communication method, and more particularly to a communication apparatus using close proximity wireless communication.
- a wireless communication IC tag is attached to a vehicle etc., and history information is stored together with an ID stored in the IC tag to a history information storage device connected via a network
- a technique for transmitting is disclosed (see, for example, Patent Document 1).
- the communication system described in Patent Document 1 is attached to an object that generates history information, and a wireless IC tag that transmits the history information, and the wireless IC tag is connected to the wireless IC tag via a network, and stores the history information.
- a wireless IC tag is a communication system having an information storage device, and the wireless IC tag holds history information acquisition means for acquiring generated history information, and a unique ID which is identification information provided to the wireless IC tag. And transmission means for periodically transmitting the history information and an ID unique to the wireless IC tag to the history information storage device via the network. Further, the history information storage device stores the received history information for each ID unique to the wireless IC tag.
- an environmental load value calculation system capable of accurately calculating an environmental load value at the use stage of the device, an environmental load value calculation device, and a technology for providing an environmental load value calculation method are disclosed (for example, see Patent Document 2) ).
- Patent Document 2 a function execution unit for executing a plurality of functions, an operation history collection unit collecting operation histories of each of the plurality of functions, and an operation history for each function collected by the operation history collection unit It is disclosed that an electronic tag is provided with an IC tag to be recorded, an operation history of the IC tag is wirelessly transmitted to an IC reader, and a computer calculates an environmental load value.
- Patent Document 1 and Patent Document 2 are configured to continuously transmit history information from a close proximity wireless communication unit such as an IC tag.
- a technique for providing an information processing apparatus capable of extracting fault information to the outside for the purpose of maintenance work and the like even when a catastrophic failure occurs such that the system itself does not stand up See, for example, Patent Document 3).
- the information processing apparatus described in Patent Document 3 includes a main power supply that supplies power to a system, a power supply circuit disposed between the main power supply and the system, and controls power supply to the system of the main power supply, and power supply to the system.
- the system comprises: an abnormality monitoring unit monitoring supply abnormality or monitoring an operation abnormality of the system; and a failure information notification unit incorporated in the information processing apparatus and having a memory for storing failure information.
- the abnormality monitoring unit stores the power supply abnormality to the monitored system and the operation abnormality of the system as failure information in the memory of the failure information notification unit.
- the failure information notification unit has a secondary power supply different from the main power supply, and reads out the failure information stored in the memory and sends it to the outside by power supply from the secondary power supply.
- Patent Document 1 and Patent Document 2 are configured to continuously transmit history information from a proximity wireless communication unit such as an IC tag.
- the prior art described in Patent Document 3 is configured to transmit only the defect information when the reader / writer device is held up. Therefore, these conventional techniques have a problem in that the usage history information that has resulted in the failure can not be transmitted to the reader / writer device by close proximity wireless communication together with the failure information.
- An object of the present invention is to solve the above-mentioned conventional problems, and to provide a communication apparatus and the like that can transmit history information that has become a problem when it approaches a reader / writer device.
- a communication apparatus is a communication apparatus including a system unit and a proximity wireless communication unit, and the system unit generates operation history information of the communication apparatus.
- the proximity wireless communication unit includes an antenna unit for receiving radio waves emitted from an external reader / writer device, and communication control for performing proximity wireless communication with the reader / writer device via the antenna unit And an adjacent communication memory that stores identification information that can identify the communication device and can be read out from the reader / writer device, and the system control unit When the malfunction of the system unit is detected by the output unit, the error detection information and at least a part of the operation history information stored in the main storage unit are stored in the proximity communication memory, and the communication is performed.
- the control unit transmits the identification information, the operation history information, and the error detection information stored in the close proximity communication memory
- the communication device can be configured to be able to read out from the external reader / writer device the operation history information that has resulted in a failure that is important for failure analysis. Therefore, even if the main system (system unit) of the communication apparatus becomes inoperable due to a failure, it is possible to read out important operation history information.
- the communication device stores operation history information that has resulted in a failure in the proximity communication memory. This makes it possible to prevent the history information from being overwritten after the occurrence of a failure.
- the communication apparatus since the communication apparatus according to an aspect of the present invention can transmit the important history information that has caused the failure of the communication apparatus when it approaches the reader / writer device, it is possible to easily analyze the failure.
- the proximity wireless communication unit further generates a power supply for operating the proximity wireless communication unit by rectifying a radio wave from the reader / writer device received by the antenna unit;
- the power supply switching unit includes a power supply switching unit configured to select one of a power supply generated by the power supply generation unit and a power supply supplied from the system unit as a drive power supply for the proximity wireless communication unit, the power supply switching unit detecting the error
- the power supply supplied from the system unit may be selected as a drive power supply for the proximity wireless communication unit when the unit detects a failure in the system unit.
- the communication device can supply power from the system unit to the proximity wireless communication unit when the operation history information detected by the system unit is written to the proximity communication memory at the time of occurrence of a failure.
- the communication apparatus can stably write the operation history information to the near-field communication memory.
- the proximity wireless communication unit further generates a clock signal for operating the proximity wireless communication unit by rectifying a radio wave from the reader / writer device received by the antenna unit;
- a clock switching unit configured to select one of a clock signal generated by the clock generation unit and a clock signal supplied from the system unit as a clock signal for operating the close proximity wireless communication unit;
- the clock signal supplied from the system unit may be selected as the clock signal for operating the proximity wireless communication unit when the error detection unit detects a failure in the system unit.
- the communication device can supply clock to the proximity wireless communication unit from the system unit when the operation history information detected by the system unit is written to the proximity communication memory when a failure occurs.
- the communication apparatus can stably write the operation history information to the near-field communication memory.
- the power supply switching unit and the clock switching unit select a power supply generated by the power supply generation unit as a drive power supply for the proximity wireless communication unit during normal operation in which the error detection unit does not detect a defect.
- the clock signal generated by the clock generation unit may be selected as the clock signal for operating the proximity wireless communication unit.
- the communication device controls to transmit the stored content of the near-field communication memory to an external reader / writer device by bringing the reader / writer device closer to the communication device at normal times other than when a malfunction occurs. It is possible to
- the power supply switching unit and the clock switching unit may switch the selected power supply and clock signal according to a request from the system control unit.
- the main storage unit stores the operation history information generated by the operation history detection unit by wrap-around addressing, and further, an address of the operation history information stored last in the main storage unit.
- the system control unit holds the position, and the system control unit performs the proximity communication on the operation history information stored in the main storage unit based on the address position when the error detection unit detects a failure in the system unit. It may be controlled to be stored in a memory.
- the communication device can reliably hold an important operation history that has caused a failure in a limited memory.
- the system control unit checks the storable capacity of the proximity communication memory, and stores the capacity of the operation history information to be stored in the proximity communication memory. You may decide.
- the communication apparatus can reliably store the operation history information that has resulted in a failure that is important for failure analysis in a memory that can be read from an external reader / writer device.
- the proximity communication memory transmits the operation history information transmitted by the proximity wireless communication unit after transmitting the operation history information stored in the proximity communication memory to the reader / writer device via the antenna unit. You may delete
- the communication device can secure an area for accumulating use history information when a problem occurs. Therefore, the communication device according to an embodiment of the present invention can efficiently use a limited memory.
- the present invention can be realized not only as such a communication device, but also as a communication method in which the characteristic means included in the communication device is a step, or a program that causes a computer to execute such characteristic steps. It can also be realized as Needless to say, such a program can be distributed via a recording medium such as a CD-ROM and a transmission medium such as the Internet.
- the present invention can be realized as a semiconductor integrated circuit (LSI) that implements part or all of the functions of such a communication device.
- LSI semiconductor integrated circuit
- this invention can provide the communication apparatus etc. which can be transmitted when the historical information which resulted in fault approached a reader-writer apparatus.
- FIG. 1 is a conceptual view showing a configuration of a communication system according to an embodiment of the present invention.
- FIG. 2 is a block diagram showing the configuration of the terminal device according to the embodiment of the present invention.
- FIG. 3 is a block diagram showing the configuration of the terminal device according to the embodiment of the present invention.
- FIG. 4 is a block diagram showing the configuration of the terminal device according to the embodiment of the present invention.
- FIG. 5 is a conceptual diagram showing information stored in the near field communication memory according to the embodiment of the present invention.
- FIG. 6 is a flowchart showing a flow of processing of the controller according to the embodiment of the present invention.
- FIG. 7 is a conceptual diagram showing a concept of an operation of updating use history information in the main memory and the near-field communication memory according to the embodiment of the present invention.
- FIG. 8 is a flowchart showing a flow of an operation in which the proximity wireless communication unit according to the embodiment of the present invention communicates with an external reader / writer device.
- FIG. 9 is a conceptual diagram showing communication information between components generated by touching a portable device to a terminal device in the communication system according to the embodiment of the present invention.
- FIG. 10 is a conceptual diagram showing the contents of each piece of communication information transmitted from the server device to the terminal device via the portable device in the communication system according to the embodiment of the present invention.
- FIG. 11 is a conceptual diagram of each piece of communication information in the case of updating the firmware of the terminal device by touching the mobile device to the terminal device in the communication system according to the embodiment of the present invention.
- FIG. 9 is a conceptual diagram showing communication information between components generated by touching a portable device to a terminal device in the communication system according to the embodiment of the present invention.
- FIG. 10 is a conceptual diagram showing the contents of each piece of communication information transmitted from the server device to the terminal device via the portable device in the communication system according to
- FIG. 12A is a conceptual diagram showing a display example of the portable device at the time of updating the firmware according to the embodiment of the present invention.
- FIG. 12B is a conceptual diagram showing a display example of the portable device at the time of updating the firmware according to the embodiment of the present invention.
- FIG. 12C is a conceptual diagram showing a display example of the portable device at the time of updating the firmware according to the embodiment of the present invention.
- FIG. 12D is a conceptual diagram showing a display example of the portable device at the time of updating the firmware according to the embodiment of the present invention.
- FIG. 13 is a sequence diagram showing an operation flow of the terminal device, the portable device, and the server device according to the embodiment of the present invention.
- a terminal device having a close proximity wireless communication function a portable device performing close proximity wireless communication with the terminal device, and a server device connected to the portable device via a general-purpose network such as the Internet or a mobile telephone communication network.
- a general-purpose network such as the Internet or a mobile telephone communication network.
- FIG. 1 is a conceptual diagram showing an overview of a communication system according to the present embodiment.
- a communication system M100 illustrated in FIG. 1 includes a terminal device M101, a mobile device M102, and a server device M104.
- the terminal device M101 and the portable device M102 can communicate with each other by proximity wireless communication.
- the proximity wireless communication in the present embodiment includes: (1) RFID (Radio Frequency Identification, ISO 14443) using 13.56 MHz band (HF band) of the electromagnetic induction system or 52 to 954 MHz band (UHF band) of the radio wave system. 2.) Communication between a tag and a reader / writer device or (2) Communication by NFC (Near Field Communication, ISO / IEC 21481) in the 13.56 MHz band is assumed.
- the communication distance is limited to several tens of cm in the HF band and several cm in the UHF band, so communication is established by holding (or touching) the portable device to the terminal device.
- a reader / writer function is mounted on the portable device M102 side, and an IC tag function is provided on the terminal device M101 side.
- the main object of the present embodiment may be a configuration in which the terminal device M101 and the portable device M102 can exchange information with each other by close proximity wireless communication. That is, even if an IC tag function is mounted on the portable device M102 side and a reader / writer function is provided on the terminal device M101 side, it is a category of the present invention.
- PtoP communication function, card emulation, and reader / writer emulation are standardized. In this case, the relationship between the IC tag and the reader / writer device may be either.
- a reader / writer function is mounted on the portable device M102 side, and an IC tag function is provided on the terminal device M101 side.
- the terminal device M101 includes a controller M105, a main memory M106, a proximity wireless communication unit M107, and an antenna M108.
- the controller M105 is, for example, a CPU that is a system controller of the terminal device M101.
- the controller M105 performs system control of at least the proximity wireless communication unit M107 of the terminal device M101.
- the main memory M106 is a memory capable of storing control software for operating the controller M105 and all data sensed by the terminal device M101, and is usually implemented in the LSI of the controller M105 (Of course, an external memory There is also a configuration of
- the main memory M106 is a RAM, a non-volatile memory, or the like.
- the proximity wireless communication unit M107 communicates with a reader / writer device mounted on the mobile device M102.
- the close proximity wireless communication unit M107 modulates transfer data to the reader / writer device, and demodulates transfer data from the reader / writer device.
- the near-field wireless communication unit M107 performs at least power generation for establishing near-field wireless communication based on radio waves received from the reader / writer device, and extracts a clock signal based on radio waves from the reader / writer device. . Therefore, at least the close proximity wireless communication unit M107 of the terminal device M101 operates with the power and the clock generated by the radio wave from the reader / writer device. Thereby, even when the main power of the terminal device M101 is off, the proximity wireless communication unit M107 can perform proximity wireless communication with the mobile device M102.
- the antenna M108 is a loop antenna for performing close proximity wireless communication with a reader / writer device mounted on the mobile device M102.
- the portable device M102 includes an antenna M109, a display unit M110, and a key M111.
- the antenna M109 is an antenna for performing close proximity wireless communication with the terminal device M101.
- the mobile device M102 performs polling toward the IC tag included in the terminal device M101, and when communication is established, reads out information from the terminal device M101 or writes information in the terminal device M101.
- the display unit M110 displays the result of the close proximity wireless communication between the mobile device M102 and the terminal device M101, and the data transmitted from the server device M104.
- the display unit M110 is, for example, a liquid crystal display.
- the key M111 is an interface for the user to operate the mobile device M102.
- the portable device M102 activates the close proximity wireless communication unit included in the portable device M102 in response to the key input to the key M111 by the user, and starts the polling operation for performing close proximity wireless communication with the terminal device M101 after activation. Do.
- the polling operation continues to emit radio waves to unspecified parties, which places a burden on the battery-powered portable device M 102 in terms of battery life. Therefore, by disposing a dedicated button for causing the portable device M102 to perform the polling operation, it is possible to reduce the user's device operation burden at the same time as unnecessary polling operation is not performed.
- the server device M104 is a server provided with a database. Usually, the server device M104 is configured of a WEB server having a database. The server device M104 is connected to the portable device M102 via the Internet M103. The server device M104 registers the information transferred from the mobile device M102 in the database, and transfers the information indicating the result to the mobile device M102. In addition, the display unit M110 of the mobile device M102 displays the information.
- the information sensed by the terminal device M101 can be registered in the database of the server device M104 via the mobile device M102.
- information capable of uniquely identifying the terminal device M101 such as a serial number, model number or manufacturer identification information is transferred from the terminal device M101 to the portable device M102 by close proximity wireless communication.
- the portable device M102 also includes information received from the terminal device M101 via close proximity wireless communication and information for identifying a user held by the portable device M102 or the portable device M102 itself (e-mail address, telephone number, portable information Terminal identification information, or SIM card ID, and information for specifying the position when the mobile device M 102 can sense the position information (GPS information, A-GPS information, or a position estimated from a base station of the mobile network) And the like) to the server device M104.
- the server device M 104 also registers these in a database.
- the manufacturer can quickly determine and cope with the initial failure of the specific lot. Further, by specifying the function used for each user from the usage history information, the maker can bring out the merit of the maker such as using the specified information for the next product development.
- FIG. 2 is a block diagram showing the configuration of the terminal device M101 according to the present embodiment.
- the terminal device (communication device) M101 includes a terminal unit (system unit) M201 and a proximity wireless communication unit M107.
- the terminal unit M201 includes a use history detection unit (operation history detection unit) M203, an error detection unit M204, a main memory (main storage unit) M106, and a controller (system control unit) M105.
- a use history detection unit operation history detection unit
- an error detection unit M204 error detection unit
- main memory main storage unit
- controller system control unit
- the use history detection unit M203 generates use history information (operation history information) indicating a history of the operation of the terminal device M101.
- the error detection unit M204 detects a failure of the terminal unit M201 and generates error detection information indicating the content of the failure.
- the main memory M106 stores usage history information generated by the usage history detection unit M203.
- the controller M105 controls the terminal device M101.
- the close proximity wireless communication unit M107 includes an antenna M108, a communication control unit M216, and a close proximity communication memory M215.
- the antenna M108 receives a radio wave emitted from the portable device M102 which is an external reader / writer device.
- the communication control unit M216 performs close proximity wireless communication with the portable device M102 via the antenna M108.
- the near-field communication memory M215 stores identification information that can identify the terminal device M101.
- the near-field communication memory M215 can be read from the portable device M102.
- the controller M105 associates at least the use history information stored in the main memory M106 with the error detection information generated by the error detection unit M204. A part is stored in the near-field communication memory M215.
- the communication control unit M216 associates the use history information stored in the near-field communication memory M215 with the identification information stored in the near-field communication memory M215 in proximity wireless communication. It transmits to the portable apparatus M102 by this.
- FIG. 3 is a block diagram showing a detailed configuration of the terminal device M101 according to the present embodiment.
- the proximity wireless communication unit M107 further includes a power generation unit M219 and a power switching unit M212.
- the power supply generation unit M219 generates a power supply for operating the close proximity wireless communication unit M107 by rectifying the radio wave from the portable device M102 received by the antenna M108.
- the power source switching unit M212 selects one of the power source generated by the power source generation unit M219 and the power source supplied from the terminal unit M201 as a driving power source for the proximity wireless communication unit M107. Further, when the error detection unit M204 detects a failure of the terminal unit M201, the power supply switching unit M212 selects the power supplied from the terminal unit M201 as a driving power supply of the proximity wireless communication unit M107.
- FIG. 4 is a block diagram showing a more detailed configuration of the terminal device M101 according to the present embodiment.
- the terminal unit M201 and the close proximity wireless communication unit M107 are connected via an interface M210 (serial interface, USB, etc.) that can communicate with each other.
- interface M210 serial interface, USB, etc.
- the terminal unit M201 implements the main functions of the terminal device M101.
- the terminal unit M201 realizes a refrigerator function if the terminal device M101 is a refrigerator, a range function if the terminal device M101 is a microwave, and an air conditioner function if the terminal device M101 is an air conditioner.
- the terminal device M101 according to the present embodiment covers all of the electronic device terminal and the home appliance. Therefore, in the present embodiment, the description of each device will be omitted, and only the common functions will be described.
- the terminal device M101 may be other than the electronic device terminal and the home appliance.
- the terminal device M101 may be a vehicle such as a car or a cultivating machine.
- the terminal unit M201 also includes a controller M105, a main memory M106, a key M202, a use history detection unit M203, an error detection unit M204, a power detection unit M205, a power shutoff detection unit M206, a main power supply M207, and a main power control unit M209. .
- the controller M105 is a system controller capable of controlling at least the terminal unit M201 and the switching unit M211 of the proximity wireless communication unit M107.
- the controller M105 is configured by a so-called microcomputer or CPU.
- the main memory M106 internally includes a non-rewritable ROM area M230, a rewritable RAM area M231, and an FW area M232 storing firmware (FW) in which the control procedure of the controller M105 is described.
- FW firmware
- identification information capable of identifying the terminal unit M201 of the terminal device M101, date of manufacture, manufacturer identification information, and the like are recorded.
- the usage history information collected by the usage history detection unit M203 and the error information of the terminal device M101 detected by the error detection unit M204 are recorded in the RAM area M231.
- the FW area M232 may be a ROM or a RAM. However, in order to provide a firmware update function described later, a RAM is adopted as the FW area M232.
- a key M202 is an operation button of the terminal device M101, and receives a user operation.
- the use history detection unit M203 detects the operated operation history as use history information in response to the user's operation of the key M202, and stores the detected use history information in the main memory M106.
- the usage history information described in the present embodiment includes not only information related to user operation but also sensing information of a sensor possessed by the terminal device.
- the sensing information indicates a human sensor in an air conditioner, an indoor temperature / outdoor temperature, humidity information, or the content of dust in the air.
- the usage history information includes date and time information which has been operated or sensed.
- the usage history information includes the user identification information of the user who performed the operation.
- usage history information may be accumulated indefinitely. Therefore, it is desirable to form the main memory M106 in a first in first out (FIFO) stack configuration that performs wrap around addressing. Thus, new use history information can be left in a memory area where the use history information of the main memory M106 can be stored.
- FIFO first in first out
- the power supply detection unit M205 detects the power supply state of the main power supply M207 described later.
- the power state includes at least three states of a power-on state, a state where the power source can be controlled by the controller M 105 (sleep mode), and a power-off state.
- the power supply detection unit M205 detects the power-on state in a state where the power is turned on.
- the power supply detection unit M205 detects the transition to the sleep mode or the power off state immediately before the transition to the sleep mode or the power off state under the control of the controller M105, and detects the detected power state (the sleep mode or the power off). State) is stored in the main memory M106 or the near-field communication memory M215 of the near-field communication unit M107.
- the power supply interruption detection unit M206 detects that the external power supply source such as an outlet is cut off unexpectedly.
- the power shutoff detection unit M206 can determine the shutoff of the outlet by observing the decrease in voltage value applied to the main power supply M207. Further, the power shutoff detection unit M206 operates by being supplied with power from the storage unit M208 included in the main power supply M207. Thus, the power shutoff detection unit M206 can stably detect the shutoff of the power source even when the outlet is shut off. Also, the power shutoff detection unit M206 notifies the power detection unit M205 of the detection result. As a result, the power detection unit M205 stores flag information indicating that the power is shut off in the main memory M106 or the near-field communication memory M215 of the near-field wireless communication unit M107.
- the main power supply M207 is a main power supply of the terminal device M101, and supplies power by battery or outlet connection.
- the main power supply M207 performs at least power supply to the terminal unit M201 and power supply for access to the near-field communication memory M215 of the near-field communication unit M107.
- the main power control unit M209 starts (starts) supply of power or stops (ends) supply according to a start instruction or an end instruction from the controller M105.
- proximity wireless communication unit M107 is coupled to terminal unit M201 by a serial interface or the like, and includes switching unit M211, proximity communication memory M215, communication control unit M216, power generation unit M219, clock generation unit M220, and antenna M108. .
- the antenna M108 is a loop antenna that receives radio waves from an external reader / writer device.
- the communication control unit M216 includes a demodulation unit M218 that demodulates the radio wave received by the antenna M108, and a modulation unit M217 that modulates the information when transferring information to the reader / writer device via the antenna M108.
- the power supply generation unit M219 generates, from electromagnetic waves received by the antenna M108, at least power by which the close proximity wireless communication unit M107 can operate.
- the clock generation unit M220 generates a clock signal for operating the close proximity wireless communication unit M107 by rectifying a radio wave from the reader / writer device. Also, the clock generation unit M220 supplies the generated clock signal to the digital circuit unit of the close proximity wireless communication unit M107.
- Proximity wireless communication unit M107 is operable based on the power supply generated by power supply generation unit M219 and the clock signal generated by clock generation unit M220. Therefore, the proximity wireless communication unit M107 receives the radio wave from the reader / writer device regardless of the state of the main power supply M207 of the terminal unit M201, and then the information stored in the proximity communication memory M215 is read by the reader / writer device. And a passive tag function (batteryless mode) capable of receiving data transferred from the reader / writer device and storing the data in the near-field communication memory M215.
- a passive tag function batteryless mode
- the near-field communication memory M215 internally has a ROM area M302 and a RAM area M310. Identification information that can uniquely identify at least the proximity wireless communication unit M107, and terminal device identification information that can identify the terminal device M101 in the ROM area M302 (non-rewritable or non-updatable area that can be recorded only once during production)
- the model number of the terminal device M101, the address information of the server device M104, and the like are stored.
- the use history information extracted by the use history detection unit M203 of the terminal unit M201, the error information detected by the error detection unit M204, and the power supply state information detected by the power supply detection unit M205 are sent from the controller M105. It is recorded.
- information transferred from the reader / writer device is also temporarily stored in the RAM area M310. Therefore, the RAM area M310 is configured such that part of the information recorded in the main memory M106 is mirrored and stored.
- the switching unit M211 includes a power switching unit M212, a clock switching unit M213, and an access switching unit M214.
- the power supply switching unit M212 switches whether to supply drive power of the near-field communication memory M215 from the terminal unit M201 or to supply power generated by the power generation unit M219.
- the clock switching unit M213 selects one of the clock signal generated by the clock generation unit M220 and the clock signal supplied from the terminal unit M201 as a clock signal for operating the near-field communication memory M215. Also, the clock switching unit M213 supplies the selected clock signal to the near-field communication memory M215.
- the switching unit M211 supplies the power supply generated by the power generation unit M219 and the clock signal extracted by the clock generation unit M220 to the proximity communication memory M215.
- the switching unit M211 refers to or rewrites the stored contents of the near-field communication memory M215 according to the access from the controller M105, the power supply and clock signal can be supplied from the terminal unit M201 according to the instruction of the controller M105. Take control.
- the power supply switching unit M212 selects the power supply supplied from the terminal unit M201 as the driving power supply of the proximity wireless communication unit M107. Further, when the error detection unit M204 detects a failure of the terminal unit M201, the clock switching unit M213 selects a clock signal supplied from the terminal unit M201 as a clock signal for operating the close proximity wireless communication unit M107.
- the power supply switching unit M212 selects the power supply generated by the power supply generation unit M219 as the drive power supply of the close proximity wireless communication unit M107 in the normal operation in which the error detection unit M204 has not detected a defect.
- the clock switching unit M213 selects the clock signal generated by the clock generation unit M220 as a clock signal for operating the close proximity wireless communication unit M107 in the normal operation in which the error detection unit M204 has not detected a defect.
- the power supply switching unit M212 and the clock switching unit M213 switch the selected power supply and clock signal in response to a request from the controller M105.
- the access switching unit M214 controls access from the controller M105 and the near-field communication unit M107 to the near-field communication memory M215.
- the switching unit M211 perform control with priority to prior access. For example, the switching unit M211 notifies the controller M105 that the access is in progress even if the switch instruction is received from the controller M105 while the close proximity communication memory M215 is being accessed via close proximity wireless communication. Do not switch. Conversely, even if access is made to proximity communication memory M215 from proximity wireless communication while controller M105 is accessing proximity communication memory M215, switching unit M211 is powered on during the access from controller M105. There is no switching of the clock signal. This makes it possible to prevent the memory contents of the near-field communication memory M 215 from being simultaneously updated by both accesses to the near-field communication memory M 215. Further, at least the RAM area M310 of the near-field communication memory M215 may be redundantly configured to simultaneously receive both accesses. As a result, there is no need to wait when the other is accessing, and speeding up of the access can also be realized.
- the terminal device M101 functions effectively in the following cases.
- the controller M105 stores the use history information M317 held by the main memory M106 and the detected error detection information M316 in the proximity communication memory M215.
- the use history leading to the error is accumulated in the near-field communication memory M215. Therefore, the use history information M317 can be read by an external device such as the portable device M102 having a reader / writer function. As a result, since the manufacturer can reproduce the failure, etc., it is possible to easily analyze the failure.
- the power state of the terminal device M101 is also stored in the near-field communication memory M215.
- the server device M104 or the like can perform an operation according to the power state.
- the power supply of the terminal unit M201 needs to be turned on.
- the reader / writer device can determine whether the firmware can be updated by reading the power state of the terminal unit M201 held in the close-proximity communication memory M215 simply by touching it. Become.
- the mobile device M102 having a reader / writer function and the server device M104 capable of communicating with the mobile device M102 can determine the power state of the terminal unit M201. Therefore, the operation according to the power supply state can be performed.
- the server device M104 determines that the firmware version of the terminal device M101 needs to be upgraded, and determines that the terminal unit M201 is in the sleep state, the server device M104 transmits a start command via the mobile device M102. It is also possible to transmit to the device M101.
- the server device M104 can also display a message prompting insertion of the outlet on the display unit M110 of the mobile device M102.
- FIG. 5 is a conceptual diagram showing information stored in the near-field communication memory M215 of the near-field wireless communication unit M107 of the terminal device M101.
- the near-field communication memory M215 includes a readable ROM area M302 and an updatable RAM area M310.
- Near field communication identification information (UID) M301 which can uniquely identify the close proximity wireless communication unit M107, and a terminal device identification information (manufacturing number) M303 which is written in the process of manufacturing the terminal device M101 in the ROM area M302.
- a terminal device model number (manufacturing part number) M304, manufacturer identification information M305, production lot identification information, and a production date M306 are stored. By transmitting the information from the terminal device M101 to the server device M104, it is possible for the manufacturer to identify the terminal device M101.
- server access information M307 which is required when the portable device M102 transfers information read from the terminal device M101 via close proximity wireless communication, to the server device M104, is recorded.
- the server access information M307 includes a server address (URL) M308 and server authentication information (login account, password) M309.
- This server access information M307 is also recorded in the production process of the terminal device M101. This makes it possible to avoid that terminal device information made by company A is transferred to a server of company B other than company A.
- company B As a manufacturer, user usage histories of their products are valuable data that they do not want to leak to other companies. Therefore, it is important to connect the terminal device M101 to the server device M104 corresponding to the terminal device M101. This can be realized by recording the server access information M307 in the near-field communication memory M215.
- the information in the ROM area M302 is written at the time of production of the terminal device M101.
- the ROM area M302 may also be physically configured by a rewritable flash memory or the like.
- the ROM area M302 is managed as a read only area from the reader / writer apparatus mounted on the portable apparatus M102. This can prevent malicious operations such as spoofing by illegally rewriting identification information or illegally rewriting server access information, thereby improving security.
- the updatable RAM area M310 is a reader / writer write area M311 writable only from the reader / writer device mounted on the portable device M102, and a terminal part write writable only from the terminal unit M201 of the terminal device M101. And a region M315.
- a firmware area In the reader / writer write area M311, a firmware area, a terminal device setting information area, and a communication setting information area are set.
- firmware area firmware M312 updated at the time of firmware update of the terminal device M101 is recorded.
- terminal device setting information area terminal device setting information M313, which is setting information of devices such as recipe information in a range or a rice cooking program in a rice cooker, is recorded.
- communication setting information area when the terminal device M101 has a communication function using a general-purpose network (for example, Wi-Fi, Zegbee, Eather, etc.) different from proximity wireless communication, communication setting information M314 (Wi The WEP / WPA key etc. in -Fi is stored.
- the terminal unit writing area M315 is an area in which writing is permitted only from the controller M105 of the terminal unit M201. The information held in the main memory M106 is written to the terminal unit writing area M315.
- This terminal unit writing area M315 includes an error detection information area, an error occurrence date and time area, a usage history information area, a firm version area, and a main power state information area where main power state information M320 is recorded.
- error detection information area error detection information M316, which is error information sensed by the error detection unit M204 of the terminal unit M201, is recorded.
- error occurrence date and time M318 is recorded in the error occurrence date and time area.
- the usage history information M317 detected by the usage history detection unit M203 is recorded in the usage history information area.
- a firmware version M319 which is version information of firmware recorded in the FW area of the main memory M106 of the terminal unit M201 is recorded.
- main power state information M320 indicating the power state sensed by the power detection unit M205 is recorded. These pieces of information are read from a reader / writer device mounted on the mobile device M102 and transmitted to the server device M104. Therefore, the server device M104 can determine whether or not the firmware needs to be updated based on the firmware version M319, and can determine whether the firmware can be updated based on the main power state information M320.
- FIG. 6 is a flowchart showing the process flow of the controller M105 of the terminal unit M201.
- the power detection unit M205 detects a power on state from the voltage level supplied to the controller M105 (M401).
- the controller M105 switches the switching unit M211 of the close proximity wireless communication unit M107 to a mode (terminal unit priority mode) in which access from the terminal unit M201 is prioritized (M402).
- the switching unit M211 switches the operation so as to drive the near-field communication memory M215 with the power supply and the supply clock from the terminal unit M201.
- the switching unit M211 outputs a switching completion signal to the controller M105.
- the controller M105 receives the switching completion signal from the switching unit M211, and determines whether switching has been performed by the switching unit M211 (M403). When the switching has not been completed (No in M403), the controller M105 resets the terminal unit priority mode (S402).
- the controller M105 rewrites the main power state information M320 stored in the near-field communication memory to "ON" (M404).
- the controller M105 cancels the terminal unit priority mode of the switching unit M211 and transfers the switching unit M211 to the near-field communication memory M215.
- the reader / writer priority mode is set to prioritize access from the proximity wireless communication unit M 107 (reader / writer device) with respect to the access of (M 405).
- the controller M105 sets the switching unit M211 of the proximity wireless communication unit M107 to the terminal unit priority mode, and then the terminal The main power supply state information M320 of the near-field communication memory M215 is rewritten to "ON" from the unit M201, and then the terminal unit priority mode is canceled.
- the controller M105 determines whether or not the power shutoff detection unit M206 detects the shutoff of the power (M406).
- the controller M105 executes the processing of steps M414 to M416 with the power stored in the storage unit M208 of the main power supply M207, and ends the processing.
- step M414 as in step M402, the controller M105 sets the switching unit M211 of the close proximity wireless communication unit M107 to the terminal unit priority mode.
- the controller M105 determines whether the setting of the terminal unit priority mode is completed. If it is completed (Yes in M415), the controller M105 rewrites the main power state information M320 of the near-field communication memory M215 as "shutdown" (M416).
- step M406 determines whether the interruption of the power supply is not detected in step M406 (No in M406).
- the controller M105 determines whether the operation of the power supply "OFF" to the controller M105 is detected (M407).
- the controller M105 performs the operations of steps M417 to M420.
- Step M417 is similar to step M402, and the controller M105 sets the switching unit M211 of the close proximity wireless communication unit M107 to the terminal unit priority mode.
- the controller M105 determines whether the setting of the terminal unit priority mode is completed.
- the controller M105 rewrites the main power state information M320 of the near-field communication memory M215 to "OFF".
- the controller M105 After rewriting the power state to "OFF” in step M419, the controller M105 ends the system by setting the power of the terminal unit M201 to OFF (M420).
- the power supply state “ON” in the present embodiment indicates that the power supply of the terminal unit M201 is ON and the terminal unit M201 is activated.
- the power supply state “OFF” refers to the system end state, but the power supply source itself is not shut off, and the system can be started by an operation from the user (for example, pressing the power on button). Indicates that there is.
- the power-off state indicates a state in which the power supply itself is shut off, for example, the outlet is disconnected or the battery is detached. That is, unlike the power-off state, the power-off state indicates a state in which the user can not start the key operation.
- steps M406 and M407 are executed in the system flow, but it is desirable that these be executed as separate threads triggered by an event in which the power state changes.
- the controller M105 determines whether the usage history detection unit M203 has detected a key operation from the user (M408). If it is not detected (No in M408), the controller M105 returns to the process of step M406.
- step M408 if a key operation from the user is detected in step M408 (Yes in M408), the controller M105 updates the usage history information of the main memory M106 according to the detected key operation (M409).
- the controller M 105 determines whether the error detection unit M 204 has detected an error that has occurred in the terminal unit M 201 in response to the key operation (M 410). If it is not detected (No in M410), the controller M105 returns to the process of step M406.
- step M410 If an error is detected in step M410 (Yes in M410), the controller M105 sets the switching unit M211 of the close proximity wireless communication unit M107 to the terminal unit priority mode (M411).
- step M412 the controller M105 determines whether the setting to the terminal unit priority mode in step M411 is completed (M412). If the switching has not been completed (No in M412), the controller M105 returns to the process of step M411.
- the controller M105 updates the use history information M317 in the near-field communication memory M215 according to the use history information in the main memory M106 (M413), and ends the process. .
- usage history information such as a key operation detected by the usage history detection unit M203 is temporarily stored in the main memory M106.
- the use history information stored in the main memory M106 is written to the near-field communication memory M215 together with the identification information of the error.
- the controller M105 calculates the latest based on the timing at which the error is detected. The usage history information is selected, and only the selected usage history information is stored in the near-field communication memory M215.
- the use history of several steps at which an error is detected is accumulated in the near-field communication memory M215.
- the near-field communication memory M215 can be read out from an external reader / writer device via near-field wireless communication even if the terminal unit M201 is not activated. Therefore, even if the power of the terminal unit M201 can not be turned on due to an error, for example, usage history information of several steps leading to the error can be read from the outside. As a result, it is possible to reduce the loss cost due to the non-reproduction problem of the failure in the repair shop.
- FIG. 7 is a conceptual diagram showing a concept of an operation of updating usage history information in the main memory M106 and the near-field communication memory M215.
- the use history information of the main memory M106 is stored in the RAM area M231 of the main memory M106. Further, the main memory M106 has a so-called stack configuration in which old history information held therein is deleted and new history information is stored each time an operation such as a key operation by the user is performed.
- the near-field communication memory M215 stores the usage history information M317 in the internal RAM area M310.
- the use history information held in the main memory M106 is copied to the near-field communication memory M215 at the timing when an error is detected by the error detection unit M204.
- the use history information M317 stored in the near-field communication memory M215 is stored in association with error detection information M316 for identifying an error that has occurred and an error occurrence date M318.
- the controller M105 confirms the storable capacity of the near-field communication memory M215, and determines the capacity of the usage history information to be stored in the near-field communication memory M215. For example, the controller M105 confirms the capacity of the use history information area in which the use history information M317 included in the RAM area M310 of the near-field communication memory M215 is stored. Then, the controller M105 determines a capacity equal to or smaller than the capacity as the capacity of the use history information to be stored in the near-field communication memory M215.
- the proximity communication memory M215 transmits the usage history information M317 stored in the proximity communication memory M215 to the portable device M102 via the antenna M108, and then the proximity communication unit M107 avoids duplicate reading. It is desirable to delete the sent usage history information M317.
- a similar effect can be realized by adding a flag indicating that transmission has been completed to the transmitted usage history information M317.
- the external reader / writer device may determine the usage history information M317 to be read in accordance with the content indicated by the transmitted flag.
- the main memory M106 stores usage history information generated for each user operation by wrap-around addressing.
- the wrap around method is a method of storing usage history information while incrementing an address when there is a space in the main memory M106.
- the address When the address reaches the maximum value that can be stored in the main memory M106, the address is initialized (set to 0, set as the head position), and the old usage history information originally stored is overwritten and stored. This makes it possible to reliably store the latest usage history information that is important for failure analysis in the main memory M106 while deleting old usage history information that is not important for failure analysis.
- the main memory M106 also holds the address position holding the latest usage history information, that is, the address position of the usage history information stored last in the main memory M106. Further, when the error detection unit M204 detects a failure of the terminal unit M201, the controller M105 controls the use history information stored in the main memory M106 to be stored in the near-field communication memory M215 based on the address position. Do. As described above, the controller M 105 can store usage history information in the near-field communication memory M 215 by using, as an axis, the point at which the near-field communication memory M 215 has a problem at the time of occurrence of a failure. Therefore, failure analysis can be facilitated.
- the near-field communication memory M 215 deletes the usage history information transmitted to the external reader / writer device. This makes it possible to secure an area for accumulating use history information when a problem occurs, and to use a limited memory efficiently.
- FIG. 8 is a flowchart showing a flow of an operation in which the near-field wireless communication unit M107 communicates with an external reader / writer device.
- the close proximity wireless communication unit M107 receives a polling radio wave, which is an interrogation signal from a reader / writer device, via the antenna M108 (M601).
- the power generation unit M 219 and the clock generation unit M 220 When the polling radio wave is received, the power generation unit M 219 and the clock generation unit M 220 generate power and a clock signal for operating the close proximity wireless communication unit M 107 from the polling radio wave (M 602).
- the close proximity wireless communication unit M107 activates the system of the close proximity wireless communication unit M107, and returns a polling response to the external reader / writer device outputting the polling radio wave (M603) .
- the close proximity wireless transfer unit M107 determines whether the switching unit M211 is in the terminal unit priority mode (M604). If the switching unit M211 is in the terminal unit priority mode (M604 Yes), since the terminal unit M201 is accessing the proximity communication memory M215, the proximity wireless communication unit M107 waits while in the terminal unit access priority mode.
- the near-field wireless communication unit M107 switches the switching unit M211 to the reader / writer priority mode (M605).
- the near-field communication unit M107 generates access information and terminal information to be transmitted to the reader / writer device based on the information held in the near-field communication memory M215 (M606).
- the close proximity wireless communication unit M107 transmits the generated access information and terminal information to the reader / writer device (M607).
- the close proximity wireless communication unit M107 transfers the information in accordance with the read command from the reader / writer device.
- the close proximity wireless communication unit M107 cancels the reader / writer priority mode set in the switch unit M211 and completes the close proximity wireless communication processing (M608).
- FIG. 9 is a conceptual diagram showing communication information between components generated by touching the mobile device M102 to the terminal device M101 in the communication system M100 according to the present embodiment.
- the terminal device M101 accesses the access information M701, the main power state information M704, and the terminal information based on the contents stored in the close proximity communication memory M215 through close proximity wireless communication. Generate M705.
- the terminal device M101 transmits the generated access information M701, the main power state information M704, and the terminal information M705 to the portable device M102 in response to the read command from the portable device M102.
- the access information M701 is information necessary for connecting the mobile device M102 to the server device M104.
- the access information M701 includes a server address M702 and server authentication information M703.
- the server address M702 includes URL (Uniform Resource Locator) information which is address information of the server device M104.
- the server authentication information M703 includes authentication information for logging in to the server device M104.
- the access information M701 is information stored as server access information M307 in the ROM area M302 of the near-field communication memory M215.
- the access information M701 may be generated as an access command to the server device M104 including the server address M702 and the server authentication information M703.
- the main power supply state information M704 is flag information indicating the power supply state of the terminal unit M201 of the terminal device M101.
- the main power state information M704 is information generated according to the main power state information M320 of the terminal writing area M315 of the RAM area M310 of the near-field communication memory M215.
- the main power state information M704 is information indicating at least one of "ON", "OFF” and "OFF” as the power state.
- the main power state information M704 is information indicating the same content as the main power state information M320.
- the terminal information M705 is information relayed to the mobile device M102, transmitted to the server device M104, and registered in the database of the server device M104.
- the terminal information M705 includes proximity wireless communication unit identification information M706, terminal device identification information M707, terminal device model number M708, manufacturer identification information M709, production lot identification information and production date M710, error detection information M711, usage history information M712, The error occurrence date M713 and the firmware version M714 are included.
- a terminal information digital signature M 715 which is signature information of the entire terminal information M 705 is attached to the terminal information M 705.
- the proximity wireless communication unit identification information M706 is identification information that can uniquely identify the proximity wireless communication unit M107 of the terminal device M101.
- the proximity wireless communication unit identification information M706 is generated by the proximity wireless communication unit identification information M301 stored in the proximity communication memory M215.
- the proximity wireless communication unit identification information M706 is information indicating the same content as the proximity wireless communication unit identification information M301.
- the terminal device identification information M707 is information for identifying the terminal device M101, such as the serial number of the terminal device M101.
- the terminal device identification information M 707 is generated based on the terminal device identification information M 303 of the near-field communication memory M 215.
- the terminal device identification information M707 is information indicating the same content as the terminal device identification information M303.
- the terminal device model number M708 is information indicating a model number such as a manufacturing product number of the terminal device M101, and is generated based on the terminal device model number M304 of the proximity communication memory M215.
- the terminal device model number M708 is information indicating the same content as the terminal device model number M304.
- the manufacturer identification information M709 is information for identifying the manufacturer of the terminal device M101, and is generated based on the manufacturer identification information M305 of the proximity communication memory M215.
- manufacturer identification information M709 is information indicating the same content as the manufacturer identification information M305.
- the production lot identification information and the production date M710 are information for identifying the production lot number and production date of the terminal device M101, and are information generated based on the production lot identification information of the proximity communication memory M215 and the production date M306. is there.
- the production lot identification information and the production date M710 are information indicating the same contents as the production lot identification information and the production date M306.
- the error detection information M711 is identification information of the error detected by the error detection unit M204, and is generated based on the error detection information M316 of the near-field communication memory M215 terminal unit writing area M315.
- the error detection information M711 is information indicating the same content as the error detection information M316.
- the use history information M712 is information generated based on the use history information M317 in which the use history information stored in the main memory M106 is copied to the proximity communication memory M215 at the timing when an error is detected by the error detection unit M204.
- the usage history information M712 is information indicating the same content as the usage history information M317.
- the error occurrence date and time M713 is date and time information when an error is detected by the error detection unit M204, and is generated based on the error occurrence date and time M318 of the near-field communication memory M215.
- the error occurrence date M 713 is information indicating the same content as the error occurrence date M 318.
- the firmware version M714 is firmware version information of the terminal device M101, and is generated based on the firmware version M319 written in the near-field communication memory M215 by the controller M105.
- the firmware version M714 is information indicating the same content as the firmware version M319.
- a terminal information digital signature M715 which is a digital signature used for the purpose of preventing falsification of information by a communication path and an illegal portable device is added to the terminal information M705.
- a terminal information digital signature M715 which is a digital signature used for the purpose of preventing falsification of information by a communication path and an illegal portable device is added to the terminal information M705.
- general secret key encryption or public key encryption is used for the algorithm of the terminal information digital signature M 715.
- each information element of the terminal information M705 may be in the form of a database registration command for the server device M104, which is transmitted through the mobile device M102.
- the portable device M102 transmits the portable device information M720, the main power status information M704 and the terminal information M705 to the Internet network or the mobile telephone communication network based on the access information M701 and the terminal information M705 read from the terminal device M101 via proximity wireless communication. To the server device M104.
- the portable device M102 reads the address information and authentication information of the server device M104 to be connected from the access information M701 transmitted from the terminal device M101, and connects the server device M104.
- the portable device M102 generates data to be transmitted to the server device M104 by giving the portable device information M720 to the terminal information M705 transmitted from the terminal device M101.
- the portable device information M720 is generated based on the information held in the portable device M102.
- the portable device information M720 includes portable device identification information M721, user information M728, and portable device position information M726.
- the user information M728 includes a telephone number M722, an e-mail address M723, a server account M724, and a server password M725.
- the portable device identification information M721 is identification information that can uniquely identify the portable device M102, and is, for example, identification information of a portable terminal or identification information of a SIM (Subscriber Identity Module) if the portable device M102 is a mobile phone. .
- SIM Subscriber Identity Module
- the telephone number M722 is telephone number information set in the mobile device M102.
- the e-mail address M723 is e-mail address information set in the portable device M102.
- the server account M 724 is account information for connecting to the server device M 104.
- the server password M725 is password information for connecting to the server device M104.
- the mobile device position information M 726 is position information extracted by the positioning unit configured in the mobile device M 102.
- the mobile device position information M 726 is position information from a GPS (Global Positioning System), or position information determined according to the distance to the mobile base station.
- the portable device position information M 726 is acquired by the portable device M 102 when the close proximity wireless communication is established by touching the portable device M 102 to the terminal device M 101. In proximity wireless communication, since the communication range is usually several tens cm, it is possible to handle the position information of the portable device M102 as the position information of the touched terminal device M101.
- each element of mobile device information M720 (mobile device identification information M721, telephone number M722, mail address M723, server account M724, server password M725, mobile device location information M726) is also in the form of a database registration command for server device M104. I do not care.
- the portable device M102 transmits, to the server device M104, server communication information M731 including the main power state information M704 and the terminal information M705 transmitted from the terminal device M101 as it is.
- the server communication information M731 transmitted from the portable device M102 to the server device M104 is provided with an information digital signature M727 which is a digital signature for preventing falsification on the way.
- the terminal information M705 transmitted from the terminal device M101 to the mobile device M102 is preferably encrypted in the terminal device M101. It is desirable that this encryption can not be decrypted by the mobile device M102, but can be decrypted only by the server device M104. This is because, even if a malicious mobile device M102 such that important terminal device information is transmitted to and analyzed by an unauthorized server appears, it can be transmitted as decodable information only by the legitimate server device M104. This makes it possible to protect the terminal device information from such fraudulent activity.
- FIG. 10 is a conceptual diagram showing the contents of each piece of communication information transmitted from the server device M104 to the terminal device M101 via the mobile device M102.
- the information transmission from the server device M104 is performed after the information is transmitted from the terminal device M101 to the server device M104 via the portable device M102.
- the server device M104 When receiving the terminal information M705 and the mobile device information M720 from the mobile device M102, the server device M104 registers the terminal information M705 in the database in association with the mobile device information M720. At the same time, the server device M104 confirms the firmware version M714 of the terminal information M705, and determines whether it is necessary to update the firmware of the terminal device M101. If necessary, the server device M104 transmits new firmware, additional function information, or terminal device setting information to the terminal device M101 via the mobile device M102. Thus, the server device M104 upgrades the firmware of the terminal device M101.
- the information (server communication information M801) transmitted from the server device M104 to the mobile device M102 includes firmware information M802.
- the server communication information M801 also includes a digital signature for terminal device M806 and a digital signature for portable device M807 as two pieces of signature information.
- the firmware information M802 includes a firmware M803, additional function information M804, and terminal device setting information M805.
- the firmware M 803 is the firmware itself to be updated in the terminal device M 101.
- the additional function information M 804 is software in which an additional function to the terminal device M 101 such as addition of a recipe in a microwave oven is implemented.
- the terminal device setting information M 805 is software for automating setting of the terminal device M 101, such as a rice cooking program in an electronic rice cooker.
- the portable device digital signature M 807 is a digital signature that can be determined in the portable device M 102 whether the server communication information M 801 is not tampered with.
- the portable device digital signature M 807 is generated, for example, between the server device M 104 and the portable device M 102 using a secret secret key.
- the terminal device digital signature M806 is a digital signature that allows the terminal device M101 to determine whether the firmware information M802 has not been tampered with.
- the terminal device digital signature M806 is generated, for example, between the server device M104 and the terminal device M101 using a secret secret key.
- the portable device digital signature M 807 is mainly given for the purpose of determining whether or not the server communication information M 801 is falsified in the communication path between the server device M 104 and the portable device M 102. On the other hand, the portable device digital signature M 807 is provided for the purpose of determining whether the firmware information M 802 is not falsified by the malicious portable device M 102.
- the digital signature is used.
- the information itself is encrypted
- the server communication information M801 is decrypted by the portable device M102
- the firmware information M802 is decrypted by the terminal device M101. May be Similar effects can be realized in this case as well.
- the portable device M102 determines whether the received server communication information M801 is not falsified by the portable device digital signature M807, and the firmware information M802 and the terminal device digital signature M806 are determined only when the information is legitimate. Are transmitted to the terminal device M101 via close proximity wireless transfer.
- the display unit of the mobile device M102 It is desirable to display on M110 a message for causing the user to touch the portable device M102 to the terminal device M101.
- the mobile device M102 When the mobile device M102 is touched by the terminal device M101, the mobile device M102 transmits the firmware information M802 to the terminal device M101 via close proximity wireless communication. Next, the terminal device M101 verifies whether the firmware information M802 has been tampered by verifying the digital signature M806 for the terminal device. Also, the terminal device M101 performs firmware update using the firmware M803 only when the terminal device M101 is legitimate, adds a function to the terminal device M101 using the additional function information M804, and uses the terminal device setting information M805. The operation is associated with the key of the terminal device M101.
- the terminal device M101 that does not have a general-purpose network such as the Internet can upgrade the firmware version of the terminal device M101 by having the proximity wireless communication means that is inexpensive and easy for the user to intuitively operate. , Can add functions.
- the server device M104 can generate setting information and the like of the terminal device M101 most suitable for the user, using the use history information obtained via the close proximity wireless transfer.
- the terminal device M101 optimized for each user can be realized.
- FIG. 11 is a conceptual diagram of each piece of communication information in the case where the firmware of the terminal device M101 is updated by touching the mobile device M102 to the terminal device M101.
- FIG. 11 is different from FIG. 10 in that the power state of the terminal device M101 is “OFF”.
- the terminal device M101 carries the access information M701, the main power state information M704, the free area M901 of the writing area, the terminal information M705, and the terminal information digital signature M902. It transmits to the device M102.
- the free area M901 of the write area is information indicating the writable free space of the RAM area M310 of the near-field communication memory M215.
- the terminal information digital signature M902 is digital signature information of the terminal information M705, and is generated in the terminal device M101.
- the mobile device M102 connects to the server device M104 based on the access information M701 transmitted from the terminal device M101. Then, the portable device M102 adds the portable device information M720 to the main power state information M704 received from the terminal device M101, the free area M901 of the writing area and the terminal information M705, and transmits the portable device information M720 to the server device M104.
- the portable device M102 generates an information digital signature M903 which is digital signature information by the portable device M102 with respect to the generated portable device information M720, the main power state information M704, the free area M901 of the writing area and the terminal information M705. , And transmits these pieces of information to the server device M104.
- the server device M104 verifies the information digital signature M903 provided by the mobile device M102, and further verifies the terminal information digital signature M902 provided by the terminal device M101. When it is determined that both the information digital signature M 903 and the terminal information digital signature M 902 are legitimate information, the server device M 104 registers the terminal information M 705 in the database in association with the mobile device information M 720.
- the server device M104 determines whether to update the firmware based on the firmware version M714 included in the terminal information M705. When updating, the server device M104 transmits the corresponding firmware M904 to the terminal device M101 via the mobile device M102.
- the server device M104 determines, based on the main power state information M704, whether or not the firmware can be updated in the terminal device M101. That is, when the main power state information M704 indicates the power state "ON", the firmware can be updated, so the server device M104 transmits the firmware M904 to be updated to the terminal device M101.
- the firmware can be updated if activated, so the server device M104 can update the firmware M904 to be updated and the terminal device start command M905 to the mobile device M102. To the terminal device M101.
- the server device M104 transmits, to the portable device M102, an instruction to cause the display unit M110 of the portable device M102 to display a message instructing the user to turn on the power of the terminal device M101 to update the firmware.
- the server device M104 determines that firmware update is necessary according to the firmware version M714, and the power state indicates “OFF”, and the free area M901 of the write area is the capacity of the firmware to be updated. If it is sufficient, the server device M104 transmits the firmware M904 to be updated and the terminal device activation command M905 as the firmware information M906 to the portable device M102.
- the server device M104 appends, to the firmware information M906, the digital signature M806 for the terminal device, which is a digital signature verifiable by the terminal device M101, and the digital signature M807 for the portable device verifiable by the portable device M102. It transmits to the portable apparatus M102.
- the portable device M102 verifies the portable device digital signature M807 included in the received information, and when it determines that the information is legitimate information, transmits the firmware information M906 to the terminal device M101.
- the proximity wireless communication unit M107 activates the terminal unit M201 by issuing an activation command to the terminal unit M201.
- the terminal device M101 updates the firmware based on the received firmware M904.
- the terminal apparatus M101 transmits the main power state information M704 and the free area M901 of the write area to the server apparatus M104.
- the server device M104 can determine whether the terminal device M101 can update the firmware. Accordingly, the server device M104 can cause the mobile device M102 to display a message according to the situation, or transmit an activation command to the terminal device M101. This makes it possible to greatly reduce the burden of user operation for updating the firmware.
- 12A to 12D are conceptual diagrams showing display contents of the portable device M102 at the time of firmware update described with reference to FIGS. 9 to 11.
- FIG. 12A shows an example of a screen displayed on the portable device M102 after the portable device M102 acquires firmware from the server device M104 when the power supply state indicated by the main power supply state information M704 is “ON”.
- the firmware held in the mobile device M102 can be transmitted to the terminal device M101, and the firmware can be updated.
- FIG. 12B is a screen example displayed on the portable device M102 when the power supply state indicated by the main power supply state information M704 is “OFF”.
- the terminal device start command M 905 is included in the transmission information from the server device M 104. Therefore, by touching again, the activation command is transferred from the portable device M102 to the terminal device M101, and the terminal device M101 is activated. Thereafter, the firmware is transferred from the portable device M102 to the terminal device M101 by touching again, and the terminal device M101 updates the firmware.
- the capacity of the near-field communication memory M 215 is insufficient, and the start command and the firmware are divided and transmitted in two touches.
- the start command and the firmware to be updated are simultaneously transferred from the portable device M102 to the terminal device M101. Then, the terminal device M101 updates the firmware after being activated by the activation command.
- FIG. 12C is a screen example displayed on the portable device M102 when the power supply state indicated by the main power supply state information M704 is “shut down”.
- the server device M104 since it is necessary to instruct the user to turn on the power, the server device M104 causes the display unit M110 of the portable device M102 to display an instruction to turn on the power.
- FIG. 12D shows a message displayed when the screen of FIG. 12B is displayed and then touched again, but the activation of the terminal device M101 is not yet completed. If the start-up has not been completed, the main power state information M704 of the near-field communication memory M215 is also not updated and remains "OFF”. The portable device M 102 or the server device M 104 determines that the main power state information M 704 is “OFF”, and causes the display unit M 110 of the portable device M 102 to display a message as shown in FIG. 12D. This makes it possible to safely update the firmware.
- FIG. 13 is a sequence diagram showing a flow of operations of the terminal device M101, the portable device M102 and the server device M104 according to the present embodiment.
- the server device M 104 has a database inside, and constantly determines whether there is an addition of firmware, a function improvement program, etc. to the devices registered in the database. If it is determined that the firmware update or the function improvement program exists for the specific device, the server device M104 generates a message prompting the firmware update or the function improvement program (M1101). This message is a message to be displayed on the display unit M110 of the portable device M102, and may be in the form of a pop-up message appearing on the display unit M110 or an electronic mail. In this way, it is possible to prompt the user who holds the specific device that needs to be updated.
- the portable device M102 that has received the message displays the received message on the display unit M110 (M1102).
- the user who has confirmed the message launches an application for activating a reader / writer device that performs proximity wireless communication of the mobile device M102, and causes the reader / writer device to start polling (M1103).
- the user touches the portable device M102, which has started polling, to the area where the antenna M108 of the terminal device M101, which is the specific device requiring updating, is mounted. If it is touched, the close proximity wireless communication unit M107 of the terminal device M101 receives the radio wave from the portable device M102 by the antenna M108, and at least the power and clock signal for driving the close proximity wireless communication unit M107 of the terminal device M101. It is generated by the electric field from the portable device M102. Then, the terminal device M101 activates the proximity wireless communication unit M107 (M1104).
- the close proximity wireless communication unit M107 transmits a polling response signal to the mobile device M102 (M1105). Thereby, the close proximity wireless communication of the terminal device M101 and the portable device M102 is established.
- the portable device M102 Upon receiving the polling response signal from the terminal device M101, the portable device M102 generates a command for reading out access information and terminal information from the near-field communication memory M215 of the terminal device M101, and transmits the command to the terminal device M101 (M1106).
- the proximity wireless communication unit M107 of the terminal device M101 When the proximity wireless communication unit M107 of the terminal device M101 receives the command, the proximity wireless communication unit M107 transmits the access information and the terminal information stored in the internal proximity communication memory M215 to the portable device M102 (M1107).
- the portable device M102 extracts the access information M701 from the information received from the terminal device M101, thereby acquiring the address information (server address M702) of the server device M104 to be connected (M1108).
- the terminal device M101 by causing the terminal device M101 to touch the portable device M102, the user registration for registering the serial number on the server device M104 operated by the maker of the terminal device M101, the response when an error occurs, and the error
- a communication system M100 capable of developing customer service by registering usage history information triggered by an occurrence in a server.
- the server address M702 of the server device M104 to be connected is stored in the near-field communication memory M215 of the terminal device M101.
- the server address M702 of the server device M104 to be connected is stored in the near-field communication memory M215 of the terminal device M101.
- the mobile device M102 needs to determine the maker of the terminal device M101, or needs to prepare a redundant server for redirecting to the server of each maker. There is on the other hand, by storing the server address M702 in the terminal device M101, these redundant mechanisms can be eliminated, and the total cost can be reduced.
- the portable device M102 generates server communication information M731 to be transmitted to the server device M104 by combining the terminal information M705 received from the terminal device M101 and the portable device information M720 stored in the portable device M102.
- the mobile device M102 transmits the generated server communication information M731 to the server device M104 described in the access information M701 received from the terminal device M101 (M1109).
- the server device M104 manages and stores the terminal information M705 of the terminal device M101 in the database held inside the server device M104 in association with the mobile device information M720 of the mobile device M102 based on the received server communication information M731. (M1110).
- the server device M104 determines whether or not the mobile device information M720 is already registered, and registers the mobile device information M720 if it is not registered. If the same portable device information M720 is already registered, it is determined whether or not the terminal information M705 is registered in association with the portable device information M720. If not registered, the server device M104 registers the terminal information M705.
- the server device M104 uses at least one of the telephone number M722, the mail address M723, and the portable device identification information M721 included in the portable device information M720.
- the portable device identification information M721 indicates identification information unique to each portable device M102 or user identification information set in the portable device M102.
- the user identification information is, for example, identification information set in a SIM (Subscriber Identity Module) of a mobile phone terminal.
- the server device M104 determines, based on the firmware version M714 included in the received terminal information M705, whether a firmware update of the terminal device M101 is necessary (M1111).
- the server device M104 determines the power state of the terminal device M101 from the main power state information M704 included in the terminal information M705 (M1112).
- the server apparatus M104 determines the writable capacity of the near-field communication memory M215 of the terminal apparatus M101 from the free area M901 of the write area included in the terminal information M705 (M1113).
- the server device M104 determines the power state of the terminal device M101 confirmed in step M1112 and the writable area of the proximity communication memory M215 confirmed in step M1113.
- the display content to be displayed on the display unit M110 of the terminal device M101 is generated according to the determination result of (1) (M1114). For example, when the power state of the terminal device M101 is shut off despite the fact that the firmware update is necessary, the display content is displayed on the display unit M110 of the portable device M102. It is a message prompting you to insert it.
- the server device M104 transmits the firmware to be updated by the terminal device M101 to the mobile device M102 ( M1115).
- the portable device M102 receives the firmware transmitted from the server device M104 (SM1116), and stores the received firmware once.
- the portable device M102 also verifies the portable device digital signature M807 attached to the firmware, and determines whether the firmware has been tampered with in the communication path from the server device M104 to the portable device M102 (M1117). .
- the portable device M 102 displays a message instructing the user to touch the portable device M 102 to the terminal device M 101 on the display unit M 110 (M 1118).
- the mobile device M102 transmits the stored firmware to the terminal device M101 via the proximity wireless communication unit M107. Then, the terminal device M101 stores the firmware to be updated in the main memory M106 of the terminal unit M201 (M1119).
- the terminal unit M201 confirms that the firmware has not been tampered with using the digital signature M806 for a terminal device attached to the firmware (M1120).
- the firmware transmitted from the server device M104 is verified by the portable device M102 using the digital signature M807 for the portable device, and the terminal device M101 is verified using the digital signature M806 for the terminal device.
- This makes it possible to verify that the firmware has not been tampered with in the communication path from the server device M104 to the portable device M102 and that the firmware has not been tampered with in the portable device M102. Therefore, even if the malicious portable device M102 appears and the firmware is tampered with, it becomes possible for the terminal device M101 to identify the tampering, and it becomes possible to safely update the firmware.
- the terminal device M101 stores the use history information in the near-field communication memory M215 of the terminal device M101 at the timing when a failure occurs in the terminal device M101. Therefore, only the usage history information that caused the error to be stored is stored in the near-field communication memory M215. Further, power generated by radio waves from the portable device M102 is supplied to the close proximity wireless communication unit M107. As a result, even if the terminal unit M201 of the terminal device M101 breaks down and becomes inoperable, it becomes possible to read out the stored contents of the near-field communication memory M215 by the portable device M102. By reading out the usage history information leading to the failure as described above, it is possible to improve the reproducibility of the failure and to promptly take measures such as repair. As a result, loss costs can be reduced significantly.
- the usage history information is preferably encrypted by the terminal unit M201 of the terminal device M101. This is because, in the configuration where usage history information can be read from any mobile device M102, it can be read by the mobile device M102 of a manufacturer different from the terminal device M101, and valuable information such as user usage history is viewed with other manufacturers There is a risk of being In addition, it is desirable that the encrypted use history information can be decrypted only by the server device M104 corresponding to the terminal device M101. Therefore, it is desirable that address information of the server device M104 corresponding to the terminal device M101 is stored in advance in the near-field communication memory M215 of the terminal device M101. Since this makes it possible to operate the server device M104 for each maker of the terminal device M101, it becomes possible to perform patrone registration of the terminal device M101.
- the server device M104 can determine whether it is necessary to update the firmware and whether or not the update is possible, in consideration of the firmware version information and the power state of the terminal device M101. Thereby, it becomes possible to carry out processing according to the state of the terminal device M101.
- the server device M104 mainly registers the mobile device information M720 of the mobile device M102 and the terminal information M705 of the terminal device M101 as a subordinate in the database. That is, the portable device information M720 is the same information as the user registration information in the favorite user registration using a conventional server. In the case of normal user registration, it is necessary for the user to input a name, an address, an e-mail address and the like, and the operation is complicated. On the other hand, in the present embodiment using portable device information M720, the user does not need to input user registration information. That is, it is possible to automatically assign user registration information to the terminal information M 705 of the terminal device M 101 read by the portable device M 102 and transmit the same to the server device M 104.
- registration information such as a name, an address, and an e-mail address is used for the purpose of securing traceability of a user who holds the terminal device M101.
- registration information such as a name, an address, and an e-mail address is used for the purpose of securing traceability of a user who holds the terminal device M101.
- GPS mounted in the mobile telephone etc. as information changed to an address.
- position information can be acquired with an accuracy of several tens of meters, so it is possible not only to know in detail the position information where the terminal device M101 is installed, but also to eliminate complicated operations such as address input. Become.
- terminal devices M101 disclosed in the present embodiment need to be connected to a general-purpose network such as the Internet. This is because it is possible to connect the terminal device M101 to the server device M104 via the mobile device M102 connectable to a general-purpose network.
- modules for proximity wireless communication are usually cheaper than modules for connecting to a general purpose network. This makes it possible to widen the target range of the terminal device M101 that can be handled. Therefore, it becomes possible to implement the same user interface in all the devices.
- the power consumption is overwhelmingly small, and for example, it can be applied to a terminal device M101 that is battery-powered.
- the terminal device M101 since the terminal device M101 according to the embodiment of the present invention can reliably transmit the important operation history information which has caused a failure to the reader / writer device, it is possible to cope with the problem of the failure not being reproduced. Become.
- the terminal device M101 seamlessly switches between a mode in which the power supply and clock are supplied from the reader / writer device and a mode in which the power and clock from the system side are supplied to the close proximity communication memory M215 accessed by close proximity wireless communication. Accordingly, the terminal device M101 can store only the important operation history information in the near-field communication memory M215, and transmit the operation history information to the outside.
- each processing unit included in the terminal device M101, the mobile device M102, and the server device M104 according to the above embodiment is typically realized as an LSI which is an integrated circuit. These may be individually made into one chip, or may be made into one chip so as to include some or all.
- circuit integration is not limited to LSI's, and implementation using dedicated circuitry or general purpose processors is also possible.
- a field programmable gate array (FPGA) that can be programmed after LSI fabrication, or a reconfigurable processor that can reconfigure connection and setting of circuit cells inside the LSI may be used.
- terminal device M101 the mobile device M102, and the server device M104 according to the embodiment of the present invention may be realized by a processor such as a CPU executing a program.
- the present invention may be the above program or a recording medium on which the above program is recorded. Further, it goes without saying that the program can be distributed via a transmission medium such as the Internet.
- terminal device M101 the mobile device M102, the server device M104, and the modified examples according to the above embodiments may be combined.
- FIG. 6 and FIG. 8 is for illustration to specifically explain the present invention, and the order other than the above is possible as long as similar effects can be obtained. It may be Also, some of the above steps may be performed simultaneously (in parallel) with other steps.
- the present invention is applicable to a communication device, and is particularly useful for a communication device having a close proximity wireless communication function and a communication system including the communication device.
- M100 Communication system M101 Terminal equipment (communication device) M102 Mobile device M103 Internet M104 server device M105 controller M106 main memory M107 proximity wireless communication unit M108, M109 antenna M110 display unit M111, M202 key M201 terminal unit M203 usage history detector M204 error detector M205 power detector M206 power supply interrupt detector M207 main power supply M208 power storage unit M209 main power control unit M210 interface M211 switching unit M212 power switching unit M213 clock switching unit M214 access switching unit M215 proximity communication memory M216 communication control unit M217 modulation unit M218 demodulation unit M219 power generation unit M220 clock generation unit M230, M302 ROM area M231, M310 RAM area M232 FW area M301, M7 6 proximity wireless communication unit identification information M303, M707 terminal device identification information (serial number) M304, M708 Terminal equipment model number (production part number) M305, M709 Manufacturer identification information M306, M710 Production lot identification information and production date M307 Server access information M308, M702 Server address (URL)
Abstract
Description
M101 端末機器(通信装置)
M102 携帯機器
M103 インターネット
M104 サーバ機器
M105 コントローラ
M106 メインメモリ
M107 近接無線通信部
M108、M109 アンテナ
M110 表示部
M111、M202 キー
M201 端末部
M203 使用履歴検出部
M204 エラー検出部
M205 電源検出部
M206 電源遮断検出部
M207 メイン電源
M208 蓄電部
M209 メイン電源制御部
M210 インタフェース
M211 切替部
M212 電源切替部
M213 クロック切替部
M214 アクセス切替部
M215 近接通信メモリ
M216 通信制御部
M217 変調部
M218 復調部
M219 電源生成部
M220 クロック生成部
M230、M302 ROM領域
M231、M310 RAM領域
M232 FW領域
M301、M706 近接無線通信部識別情報
M303、M707 端末機器識別情報(製造番号)
M304、M708 端末機器型番(製造品番)
M305、M709 製造メーカ識別情報
M306、M710 生産ロット識別情報及び生産日
M307 サーバアクセス情報
M308、M702 サーバアドレス(URL)
M309、M703 サーバ認証情報
M311 リーダライタ書込領域
M312、M803、M904 ファームウェア
M313、M805 端末機器設定情報
M314 通信設定情報
M315 端末部書込領域
M316、M711 エラー検出情報
M317、M712 使用履歴情報
M318、M713 エラー発生日時
M319、M714 ファームバージョン
M320、M704 メイン電源状態情報
M701 アクセス情報
M705 端末情報
M715、M902 端末情報デジタル署名
M720 携帯機器情報
M721 携帯機器識別情報
M722 電話番号
M723 メールアドレス
M724 サーバアカウント
M725 サーバパスワード
M726 携帯機器位置情報
M727 情報デジタル署名
M728 ユーザ情報
M731、M801 サーバ通信情報
M802、M906 ファームウェア情報
M804 追加機能情報
M806 端末機器用デジタル署名
M807 携帯機器用デジタル署名
M901 書込領域の空き領域
M903 情報デジタル署名
M905 端末機器起動コマンド
Claims (10)
- システム部と近接無線通信部とを備える通信装置であって、
前記システム部は、
前記通信装置の動作履歴情報を生成する動作履歴検出部と、
前記システム部の不具合を検出して、当該不具合の内容を示すエラー検出情報を生成するエラー検出部と、
前記動作履歴情報を記憶する主記憶部と、
前記通信装置を制御するシステム制御部とを備え、
前記近接無線通信部は、
外部のリーダライタ機器から発せられる電波を受信するアンテナ部と、
前記アンテナ部を介して、前記リーダライタ機器と近接無線通信を行う通信制御部と、
前記通信装置を識別可能な識別情報を記憶し、前記リーダライタ機器から読み出し可能な近接通信メモリとを備え、
前記システム制御部は、
前記エラー検出部によって前記システム部の不具合が検出されたとき、前記エラー検出情報と、前記主記憶部に記憶されている前記動作履歴情報の少なくとも一部とを、前記近接通信メモリに記憶し、
前記通信制御部は、
前記リーダライタ機器からの要求に応じて、前記近接通信メモリに記憶されている前記識別情報、前記動作履歴情報及び前記エラー検出情報を、前記近接無線通信により前記リーダライタ機器に送信する
通信装置。 - 前記近接無線通信部は、さらに、
前記アンテナ部で受信した前記リーダライタ機器からの電波を整流することにより、前記近接無線通信部を動作させるための電源を生成する電源生成部と、
前記近接無線通信部の駆動電源として、前記電源生成部により生成された電源と、前記システム部から供給される電源との一方を選択する電源切替部とを備え、
前記電源切替部は、前記エラー検出部が前記システム部の不具合を検出したとき、前記近接無線通信部の駆動電源として、前記システム部から供給される電源を選択する
請求項1記載の通信装置。 - 前記近接無線通信部は、さらに、
前記アンテナ部で受信した前記リーダライタ機器からの電波を整流することにより、前記近接無線通信部を動作させるためのクロック信号を生成するクロック生成部と、
前記近接無線通信部を動作させるクロック信号として、前記クロック生成部により生成されたクロック信号と、前記システム部から供給されるクロック信号との一方を選択するクロック切替部とを備え、
前記クロック切替部は、前記エラー検出部が前記システム部の不具合を検出したとき、前記近接無線通信部を動作させるクロック信号として、前記システム部から供給されるクロック信号を選択する
請求項2記載の通信装置。 - 前記電源切替部及び前記クロック切替部は、
前記エラー検出部が不具合を検出していない通常動作時には、
前記近接無線通信部の駆動電源として、前記電源生成部により生成された電源を選択し、前記近接無線通信部を動作させるクロック信号として、前記クロック生成部により生成されたクロック信号を選択する
請求項3記載の通信装置。 - 前記電源切替部及び前記クロック切替部は、
前記システム制御部からの要求に応じて、選択する電源及びクロック信号を切り替える
請求項3記載の通信装置。 - 前記主記憶部は、前記動作履歴検出部によって生成される前記動作履歴情報を、ラップアラウンド方式のアドレッシングによって記憶し、さらに、前記主記憶部に最後に記憶された前記動作履歴情報のアドレス位置を保持し、
前記システム制御部は、
前記エラー検出部が前記システム部の不具合を検出したとき、前記アドレス位置を基準として、前記主記憶部に記憶されている前記動作履歴情報を前記近接通信メモリに記憶させるように制御する
請求項1記載の通信装置。 - 前記システム制御部は、
前記エラー検出部が前記システム部の不具合を検出したとき、前記近接通信メモリの記憶可能容量を確認して、前記近接通信メモリに記憶させる前記動作履歴情報の容量を決定する
請求項6記載の通信装置。 - 前記近接通信メモリは、
前記近接無線通信部が、前記近接通信メモリに記憶している前記動作履歴情報を、前記アンテナ部を介して前記リーダライタ機器に送信した後、送信した前記動作履歴を削除する
請求項1記載の通信装置。 - システム部と近接無線通信部とを備える通信装置における通信方法であって、
前記システム部は、主記憶部を備え、
前記近接無線通信部は、
外部のリーダライタ機器から発せられる電波を受信するアンテナ部と、
前記アンテナ部を介して、前記リーダライタ機器と近接無線通信を行う通信制御部と、
前記通信装置を識別可能な識別情報を記憶し、前記リーダライタ機器から読み出し可能な近接通信メモリとを備え、
前記通信方法は、
前記通信装置の動作履歴情報を生成するステップと、
前記動作履歴情報を前記主記憶部に記憶するステップと、
前記システム部の不具合を検出して、当該不具合の内容を示すエラー検出情報を生成するステップと、
前記システム部の不具合が検出されたとき、前記エラー検出情報と、前記主記憶部に記憶されている前記動作履歴情報の少なくとも一部とを、前記近接通信メモリに記憶するステップと、
前記リーダライタ機器からの要求に応じて、前記近接通信メモリに記憶されている前記識別情報、前記動作履歴情報及び前記エラー検出情報を、前記近接無線通信により前記リーダライタ機器に送信するステップとを含む
通信方法。 - 請求項9記載の通信方法をコンピュータに実行させるための
プログラム。
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EP (1) | EP2592760B1 (ja) |
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Also Published As
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US20120164944A1 (en) | 2012-06-28 |
CN102484499B (zh) | 2015-06-17 |
EP2592760A4 (en) | 2013-07-24 |
JP4892652B1 (ja) | 2012-03-07 |
CN102484499A (zh) | 2012-05-30 |
US8855563B2 (en) | 2014-10-07 |
JPWO2012004939A1 (ja) | 2013-09-02 |
EP2592760B1 (en) | 2015-10-14 |
JP2012100307A (ja) | 2012-05-24 |
EP2592760A1 (en) | 2013-05-15 |
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