WO2014103710A1 - Terminal portatif, dispositif d'affichage, récepteur de télévision et système de communication sans fil - Google Patents

Terminal portatif, dispositif d'affichage, récepteur de télévision et système de communication sans fil Download PDF

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Publication number
WO2014103710A1
WO2014103710A1 PCT/JP2013/083135 JP2013083135W WO2014103710A1 WO 2014103710 A1 WO2014103710 A1 WO 2014103710A1 JP 2013083135 W JP2013083135 W JP 2013083135W WO 2014103710 A1 WO2014103710 A1 WO 2014103710A1
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WO
WIPO (PCT)
Prior art keywords
signal
display device
communication path
mobile terminal
unit
Prior art date
Application number
PCT/JP2013/083135
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English (en)
Japanese (ja)
Inventor
仁志 吉谷
江口　洋一
堂裕 小笠原
良介 大前
Original Assignee
シャープ株式会社
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Publication of WO2014103710A1 publication Critical patent/WO2014103710A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/005—Discovery of network devices, e.g. terminals
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C2201/00—Transmission systems of control signals via wireless link
    • G08C2201/90—Additional features
    • G08C2201/93—Remote control using other portable devices, e.g. mobile phone, PDA, laptop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
    • H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
    • H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup

Definitions

  • the present invention relates to a portable terminal, a display device, a television receiver, and a wireless communication system that establish a communication path for directly transmitting and receiving data.
  • Patent Document 1 in order to use a display device as an external device as an output monitor of a mobile terminal, the external device and the mobile terminal are connected using Bluetooth (registered trademark).
  • the monitor link button of the mobile terminal When the monitor link button of the mobile terminal is pressed, a signal for searching for a device that can be connected is transmitted from the peripheral devices, and the external device can connect the mobile terminal and the external device by returning a response signal.
  • JP 2012-186602 A published September 27, 2012
  • the present invention has been made in view of the above-described problems, and an object of the present invention is to establish a path for directly transmitting data from the mobile terminal to the display device only by operating either the mobile terminal or the display device. Another object is to provide a display device and a wireless communication system.
  • a mobile terminal controls a display device using a first communication path and directly transmits and receives data using a second wireless communication path.
  • a control signal transmitting means for transmitting a control signal for controlling the terminal to transmit a signal for establishing a second communication path to the display device using the first communication path;
  • Connection request signal transmission means for transmitting a signal for establishing the communication path of the communication.
  • a display device controls a mobile terminal using a first communication path and directly transmits and receives data using a second communication path by radio.
  • a control signal transmitting means for transmitting a control signal for controlling to transmit a signal for establishing a second communication path to the portable terminal using the first communication path;
  • Connection request signal transmission means for transmitting a signal for establishing the communication path of the communication.
  • a wireless communication system controls a display device using a display device and a first communication path, and performs data transmission using a second communication path by wireless.
  • a wireless communication system comprising: a mobile terminal that directly transmits and receives a signal, wherein the mobile terminal transmits a signal for establishing a second communication path to the display device using the first communication path.
  • Control signal transmitting means for transmitting a control signal to be controlled, and connection request signal transmitting means for transmitting a signal for establishing a second communication path, wherein the display device includes the first communication path.
  • Control signal receiving means for receiving the control signal, and connection request signal transmitting means for transmitting a signal for establishing the second communication path based on the received control signal. It is characterized by
  • a wireless communication system controls a mobile terminal using the first communication path and the mobile terminal, and performs data transmission using the second communication path by radio.
  • a display device that directly transmits and receives a signal, wherein the display device transmits a signal for establishing a second communication path to the portable terminal using the first communication path.
  • Control signal transmitting means for transmitting a control signal to be controlled, and connection request signal transmitting means for transmitting a signal for establishing a second communication path, wherein the portable terminal includes the first communication path
  • Control signal receiving means for receiving the control signal
  • connection request signal transmitting means for transmitting a signal for establishing the second communication path based on the received control signal.
  • a path for directly transmitting data from a mobile terminal to a display device can be established only by operating one of the mobile terminal and the display device.
  • FIG. 5 is a flowchart showing a process flow of the wireless communication system according to the first embodiment of the present invention.
  • (A) is a figure which shows a mode that a user flicks a screen in order to display an application selection screen in the portable terminal which concerns on Embodiment 1 of this invention, (b) was displayed by (a). It is a figure which shows a mode that a user selects the application (henceforth a remote control application) for controlling a display apparatus from an application selection screen, (c) is a user's selection according to the remote control application selected in (b).
  • FIG. 4C is a diagram illustrating a state in which the display device waits for a connection destination search signal (hereinafter, referred to as a connection destination search signal)
  • FIG. 5C is a diagram illustrating a state in which the display device displays an image displayed on the mobile terminal.
  • FIG. (A) is a figure which shows a mode that a user selects a portable screen display end button in the portable terminal which concerns on Embodiment 1 of this invention
  • (b) is a portable terminal after completion
  • FIG. (A) is a figure which shows a mode that the display apparatus which concerns on Embodiment 1 of this invention is displaying the image
  • (b) is after completion
  • FIG. 5 is a flowchart illustrating a process flow of the mobile terminal after the user selects a mobile screen display end button in the wireless communication system according to the first embodiment of the present invention.
  • (A) is a figure which shows a mode that the display apparatus which concerns on Embodiment 1 of this invention is displaying the image
  • (b) is a figure of (a). It is a figure which shows a mode that the direct connection is established again later and the display apparatus is displaying the image
  • 5 is a flowchart illustrating a processing flow of the mobile terminal when direct connection is disconnected due to a communication environment in the wireless communication system according to the first embodiment of the present invention.
  • (A) is the figure which displayed the application which the portable terminal which concerns on Embodiment 2 of this invention can establish a direct connection with a display apparatus by one operation
  • (b) is a direct connection by (a).
  • FIG. 10 It is a figure which shows the portable terminal which displays an application after being established.
  • A) is a figure which shows the display apparatus after operation of (a) of FIG. 10 which concerns on Embodiment 2 of this invention, (b) displays the image
  • A) is a figure which shows a mode that a user flicks a portable terminal in order to display the remote control application which concerns on Embodiment 4 of this invention,
  • FIG. 1 is a block diagram showing a main configuration of a wireless communication system 1 according to Embodiment 1 of the present invention.
  • the wireless communication system 1 includes a mobile terminal 10 and a display device 20.
  • the portable terminal 10 and the display device 20 communicate with each other using two types of infrared signal communication paths and wireless communication paths.
  • the mobile terminal 10 controls the display device 20 by wireless communication via a wireless router, and establishes a direct connection that is a wireless connection capable of directly transmitting and receiving data between the mobile terminal 10 and the display device 20. To do. Using this direct connection, the mobile terminal 10 transmits video and displays it on the display device 20.
  • the mobile terminal 10 includes an infrared signal transmission unit 11, a wireless communication unit 12, an IP control communication unit 13 (control signal transmission unit), a direct communication unit 14 (connection request signal transmission unit), and a connected device acquisition.
  • Unit 15 display control unit 16, display unit 17, user input unit 18, and communication unit switching unit 19.
  • the infrared signal transmission unit 11 controls the counterpart device by transmitting a control signal as an infrared signal.
  • the format of the infrared signal is defined in advance with the counterpart device.
  • the wireless communication unit 12 performs wireless communication.
  • Wireless communication includes communication via an access point, such as a wireless router or a PC connected to a wireless dongle via USB, and communication that directly transmits / receives data to / from a partner device.
  • the IP control communication unit 13 performs communication using IP, establishes an IP control connection (first communication path), and transmits and receives control signals.
  • the direct communication unit 14 performs communication to directly transmit / receive data to / from the counterpart device.
  • the direct communication unit 14 transmits a signal called a connection destination search signal for establishing a direct connection (second communication path). Similarly, when a partner device sending the connection destination search signal is found, Establish peer-to-peer communication with the device.
  • the connected device acquisition unit 15 acquires information such as device names and IP addresses of peripheral devices that can be connected to the mobile terminal 10.
  • the display control unit 16 acquires a video or the like and outputs it to the display unit 17 and the direct communication unit 14.
  • the display unit 17 is a display device such as a liquid crystal display that displays an image or the like acquired from the display control unit 16.
  • the user input unit 18 includes hardware that accepts user input, such as a keyboard and a touch panel, and information input from the user is output to each connected unit.
  • the communication unit switching unit 19 determines which communication unit to use for communication among the infrared signal transmission unit 11, the IP control communication unit 13, and the direct communication unit 14, and switches the communication unit. In addition, when the communication unit switching unit 19 switches the communication unit and the communication unit used before the switching has established a connection, the communication unit switching unit 19 may not disconnect the connection. When a plurality of communication units have established connections, the communication unit switching unit 19 can update the information such as the IP address of the counterpart device with which each communication unit has established a connection. ing.
  • the display device 20 includes an infrared signal receiving unit 21, a wireless communication unit 22, an IP control communication unit 23 (control signal receiving unit), a direct communication unit 24 (connection request signal transmitting unit), and a connection destination search.
  • a signal transmission determination unit 25, a display control unit 26, and a display unit 27 are provided.
  • the wireless communication unit 22 and the IP control communication unit 23 have the same functions as the wireless communication unit 12 and the IP control communication unit 13 of the mobile terminal 10 described above, and thus description thereof is omitted.
  • the infrared signal receiving unit 21 receives an infrared signal and converts it into an electrical signal.
  • the direct communication unit 24 When the direct communication unit 24 acquires a connection destination search signal transmission signal from the connection destination search signal transmission determination unit 25, the direct communication unit 24 transmits a connection destination search signal, and when a partner device is found, establishes peer-to-peer communication with the partner device.
  • connection destination search signal transmission determination unit 25 determines whether or not to send a connection destination search signal from the direct communication unit 24.
  • the display control unit 26 acquires a video and outputs it to the display unit 27.
  • the connection destination search signal is sent from the direct communication unit 24
  • the display area is divided and the direct connection standby screen is output to the display unit in order to display the video acquired by the direct communication unit 24.
  • the display unit 27 is a display device such as a liquid crystal display that displays images acquired from the display control unit 26.
  • FIG. 2 is a flowchart showing a process flow of the wireless communication system 1 according to the first embodiment of the present invention. Processing of the wireless communication system 1 until the screen of the mobile terminal 10 is displayed on the display device 20 will be described with reference to FIG.
  • the user activates a remote control application, which is an application for controlling the display device, from the user input unit 18 of the mobile terminal 10 (step S1).
  • a remote control application which is an application for controlling the display device
  • the connected device acquisition unit 15 obtains information from the user input unit 18 that the remote control app has been activated, and sends a command to the IP control communication unit 13 to transmit a signal for searching for a partner device that can be connected.
  • the IP control communication unit 13 that has received the command transmits a signal for searching for a partner device that can be connected from the wireless communication unit 12 (step S2).
  • the wireless communication unit 22 of the display device 20 When the wireless communication unit 22 of the display device 20 receives a signal for searching for a partner device that can be connected from the mobile terminal 10 via the wireless router (step S3), it transmits a reply signal containing information such as the device name and IP address. (Step S4).
  • the wireless communication unit 12 of the mobile terminal 10 receives the reply signal via the wireless router (step S5), the wireless communication unit 12 outputs the reply signal to the IP control communication unit 13, and the IP control communication unit 13 acquires the acquired reply signal to the connected device.
  • the connected device acquisition unit 15 outputs the device name to the display control unit 16 from the acquired information of the reply signal.
  • the display control unit 16 outputs the acquired device name to the display unit 17, and the display unit 17 displays the acquired device name on the screen of the mobile terminal 10.
  • the user inputs a device to be connected from the user input unit 18 from the connectable devices displayed on the display unit 17 of the mobile terminal 10 (step S6).
  • the communication unit switching unit 19 instructs the IP control communication unit 13 to transmit an IP control connection request signal to the selected device.
  • the IP control communication unit 13 that has received the command transmits an IP control connection request signal from the wireless communication unit 12 (step S7).
  • the wireless communication unit 22 of the display device 20 receives the IP control connection request signal via the wireless router (step S8), and outputs the received signal to the IP control communication unit 23. If the display device 20 is set to a mode that can be controlled by IP control, the IP control communication unit 23 transmits an IP control connection acknowledge signal using the wireless communication unit 22 (step S9).
  • the wireless communication unit 12 of the mobile terminal 10 receives the IP control connection acknowledgment signal transmitted from the display device 20 via the wireless router (step S10), and outputs it to the IP control communication unit 13. When acquiring the acknowledgment signal, the IP control communication unit 13 establishes an IP control connection (step S11).
  • the mobile terminal 10 displays a screen for operating the display device 20.
  • the user performs an operation for direct connection from the user input unit 18 (step S12).
  • the communication unit switching unit 19 acquires the information that the direct connection is requested from the user input unit 18, the communication unit switching unit 19 sends a connection destination search signal for establishing a direct connection to the display device 20 to the IP control communication unit 13.
  • Command to control to send The IP control communication unit 13 uses the wireless communication unit 12 to transmit a signal for controlling to send a connection destination search signal to the display device 20 (step S13).
  • the wireless communication unit 22 of the display device 20 receives from the mobile terminal 10 a signal for controlling to send a connection destination search signal via the wireless router (step S14), the received signal is transmitted to the IP control communication unit 23. Output to.
  • the IP control communication unit 23 outputs the acquired signal to the connection destination search signal transmission determination unit 25.
  • the connection destination search signal transmission determination unit 25 instructs the direct communication unit 24 to transmit a connection destination search signal.
  • the direct communication unit 24 sends a connection destination search signal using the wireless communication unit 22 (step S17).
  • the direct communication unit 24 instructs the display control unit 26 to display a screen for waiting for direct connection.
  • the display control unit 26 controls the display unit 27 to display a direct connection standby screen.
  • the communication unit switching unit 19 also transmits the connection destination search signal.
  • the communication by 13 is switched to the communication by the direct communication unit 14.
  • the setting for direct connection is turned ON (step S15), and the direct communication unit 14 transmits a connection destination search signal (step S16).
  • the display device 20 since the display device 20 has already transmitted the connection destination search signal, the mobile terminal 10 receives the signal. Similarly, the display device 20 receives a connection destination search signal from the mobile terminal 10. In this way, when the connection destination search signals are received from each other, direct connection is established (step S18).
  • the display control unit 16 of the mobile terminal 10 When the direct connection is established, the display control unit 16 of the mobile terminal 10 outputs the video to be displayed on the display unit 17 to the direct communication unit 14 as well.
  • the direct communication unit 14 transmits the acquired video to the display device 20 using the wireless communication unit 12 (step S19).
  • the wireless communication unit 22 of the display device 20 receives the video transmitted by the mobile terminal 10 (step S20)
  • the wireless communication unit 22 outputs the video to the direct communication unit 24.
  • the direct communication unit 24 outputs the acquired video to the display control unit 26 in order to display it.
  • the display control unit 26 adds the acquired video to the area for displaying the video acquired by the above-described direct connection, and displays it on the display unit 27 (step S21).
  • FIG. 3 is a diagram illustrating a state in which the user operates the mobile terminal 10 until the screen of the mobile terminal 10 is displayed on the display device 20.
  • FIG. 4 is a diagram illustrating a screen displayed on the display device 20 until the screen of the mobile terminal 10 is displayed. The operation of the mobile terminal 10 and the operation of the display device 20 associated therewith will be described using FIG. 3 and FIG.
  • FIG. 4 is a figure which shows a mode that the image
  • the display device 20 displays a video unrelated to the mobile terminal 10.
  • FIG. 3 is a figure which shows a mode that a user flicks a screen in order to display an application selection screen in the portable terminal 10 which concerns on Embodiment 1 of this invention
  • (b) is (a). It is a figure which shows a mode that a user selects the application (remote control application) for controlling the display apparatus 20 from the application selection screen displayed by FIG. As shown in FIG. 3A, the remote control application can be called immediately even when other applications are in use. Then, as shown in (b), the user selects the remote control app and activates the remote control app.
  • the application remote control application
  • FIG. 3 is a diagram showing a state in which the user can select a connectable device by the remote control application selected in (b).
  • the mobile terminal 10 displays devices that can be connected on the screen, and thus the user selects a device to be connected.
  • FIG. 3D shows a button (mobile screen display button) for establishing a path for direct communication between the device selected in FIG. 3C and the mobile terminal 10 and for the user to display the screen of the mobile terminal 10. It is a figure which shows a mode that it pushes.
  • the screen of the mobile terminal 10 is switched to a screen for operating the display device 20.
  • the user selects the portable screen display button as shown in FIG.
  • FIG. 4B is a diagram illustrating a state in which the display device 20 is waiting for a connection request signal (connection destination search signal) for directly communicating with the mobile terminal 10.
  • connection request signal connection destination search signal
  • the display device 20 enters a state of waiting for a connection destination search signal for direct connection. Further, the display device 20 displays a mobile screen display standby screen in which a display area is divided for displaying an image transmitted by direct connection.
  • FIG. 3 is a figure which shows a mode that a user selects wireless output in the setting screen of the portable terminal 10
  • (f) is a mode that turns on the setting of the wireless output which the user selected in (e).
  • FIG. 3E Since the setting of the mobile terminal 10 must be changed to establish the direct connection, when the user selects the mobile screen display button in FIG. 3D, the mobile phone 10 is set as shown in FIG. The screen of the terminal 10 is switched to the setting screen of the mobile terminal 10.
  • FIG. 3E when the user selects wireless output, the screen of the portable terminal 10 is switched to a screen for turning on wireless output, as shown in FIG.
  • a direct connection between the mobile terminal 10 and the display device 20 is established.
  • FIG. 4C is a diagram illustrating a state in which the display device 20 displays the video displayed on the mobile terminal 10.
  • the direct connection is established, the video displayed on the screen of the mobile terminal 10 is also displayed in the direct connection waiting area of the display device 20 as shown in FIG.
  • the user can establish a direct connection between the mobile terminal 10 and the display device 20 by operating only the mobile terminal 10. Therefore, since the user does not need to operate the display device 20, the user's operation is simplified.
  • FIG. 5 is a figure which shows a mode that a user selects a portable screen display end button in the portable terminal 10 which concerns on Embodiment 1 of this invention, (b) is after completion
  • FIG. 6 is a figure which shows a mode that the display apparatus 20 which concerns on Embodiment 1 of this invention is displaying the image
  • (b) is (a) It is a figure which shows the display apparatus 20 after completion
  • the mobile screen display end button for ending the mobile screen display is displayed on the mobile terminal 10. Is displayed.
  • the display device 20 divides the screen and is displayed on the mobile terminal 10 on one of the divided screens. Is displayed.
  • the display device 20 ends the screen division as illustrated in FIG. 6B.
  • the screen of the mobile terminal 10 outputs an image when the remote control application is activated by replacing the mobile screen display end button with the mobile screen display button.
  • FIG. 7 is a flowchart showing a process flow of the mobile terminal 10 after the user selects the mobile screen display end button in the wireless communication system 1 according to the first embodiment of the present invention.
  • the communication unit switching unit 19 determines from the information of the user input unit 18 whether or not the mobile screen display end button has been pressed (step S31).
  • step S31 If it is determined in step S31 that “the mobile screen display end button has been pressed” (step S31: Yes), the communication unit switching unit 19 sends an end signal indicating that the mobile screen display is to be ended to the direct communication unit. 14 for output.
  • the direct communication unit 14 transmits the acquired end signal to the display device 20 using the wireless communication unit 12 (step S32).
  • the communication unit switching unit 19 determines whether or not a response signal to the end signal has been received from the display device 20 (step S33).
  • Step S33 when it is determined that “a response signal has been received” (Step S33: Yes), the communication unit switching unit 19 outputs a signal to the direct communication unit 14 to end transmission of the video.
  • the direct communication unit 14 outputs the acquired signal to the display control unit 16, and the display control unit 16 ends the output of the video to the direct communication unit 14 (step S34). Then, the direct communication unit 14 disconnects the direct connection (step S35).
  • the connected device acquisition unit 15 determines whether or not an IP control connection has been established (step S36).
  • step S36 when it is determined that “IP control connection is not established”, the connected device acquisition unit 15 instructs the IP control communication unit 13 to transmit a signal for searching for a partner device that can be connected.
  • the IP control communication unit 13 that has received the command transmits a signal for searching for a partner device that can be connected from the wireless communication unit 12 (step S37).
  • the connected device acquisition unit 15 acquires a reply signal to the transmitted signal for searching for a partner device, and determines whether or not a reply signal has been received from the last connected display device (step S38). .
  • step S38 If it is determined in step S38 that "a reply signal has been received from the last connected display device" (step S38: Yes), in order to establish an IP control connection with the last connected display device, The connected device acquisition unit 15 instructs the IP control communication unit 13 to transmit an IP control connection request signal. The IP control communication unit 13 that has received the command transmits an IP control connection request signal using the wireless communication unit 12 (step S39).
  • the IP control communication unit 13 determines whether or not an acknowledgment signal for the transmitted IP control connection request signal has been received (step S40).
  • step S40 when it is determined that “acknowledgment signal has been received” (step S40: Yes), an IP control connection is established (step S41), and the processing in FIG. 7 ends.
  • step S40 determines whether "no acknowledgment signal has been received" (step S40: No)
  • the IP control communication unit 13 cannot establish the IP control connection, and therefore the connected device acquisition unit 15
  • An error signal indicating that the IP control connection could not be established is sent.
  • the connected device acquisition unit 15 outputs the acquired error signal and the device name included in the return signal information for the signal for searching for the counterpart device to the display control unit 16.
  • the display control unit 16 displays an error display indicating an automatic reconnection failure on the display unit 17 (step S42). Then, a screen for selecting a counterpart device from the acquired device name is displayed on the display unit 17 (step S43).
  • step S38 when it is determined in step S38 that “there is no return signal from the last connected display device” (step S38: No), the connected device acquisition unit 15 searches for the error signal and the counterpart device. The device name included in the information of the reply signal to the signal is output to the display control unit 16. In step S42, the display unit 17 displays an error message indicating that automatic reconnection has failed.
  • step S36 If it is determined in step S36 that “IP control connection is established”, the processing of the mobile terminal 10 when the mobile screen display end button is pressed ends.
  • step S33 when it is determined in step S33 that “the response signal has not been received” (step S33: No), the communication unit switching unit 19 returns to step S32 in order to send an end signal.
  • step S31 If it is determined in step S31 that “the mobile screen display end button is not pressed” (step S31: No), the processing of the communication unit switching unit 19 returns to step S31, and the mobile screen display end button is again displayed. It is determined whether or not it has been pressed.
  • the mobile terminal 10 automatically executes the process of establishing the IP control connection. Therefore, even if the communication path is changed by ending the mobile screen display, the user can continue to control the display device using the remote control app without being aware of it.
  • step S35 the mobile terminal 10 disconnects the direct connection, but this process may not be executed. If the process of step S35 is not executed, when the user selects the mobile screen display button again, the direct connection remains established, so the display device 20 immediately divides the screen as shown in FIG. The screen of the mobile terminal 10 can be displayed. Whether or not to execute step S35 may be selected by the user. For example, in addition to the mobile screen display end button, a button for finishing only the division of the screen of the display device 20 is prepared, and the screen of the mobile terminal 10 is displayed. It may be displayed.
  • FIG. 8 (Processing when direct connection is disconnected depending on the communication environment)
  • A) of FIG. 8 is a figure which shows a mode that the display apparatus 20 which concerns on Embodiment 1 of this invention is displaying the image when direct connection is cut
  • (b) is It is a figure which shows a mode that the direct connection is established again after (a) and the display apparatus 20 is displaying the image
  • Direct connection may be disconnected unexpectedly due to the influence of the communication environment.
  • the display device 20 continues to display the same screen because the screen for displaying the video acquired from the mobile terminal 10 cannot be updated.
  • the display device 20 detects that the direct connection is disconnected due to the communication environment, the display device 20 displays the video acquired from the mobile terminal 10 as illustrated in FIG. None is displayed on the part.
  • a setting is made so that the user automatically reconnects to the mobile terminal 10 in advance when the direct connection is disconnected at an unexpected time (hereinafter referred to as a direct connection automatic reconnection setting). If so, the mobile terminal 10 automatically establishes a direct connection. When the direct connection is established again, the screen of the mobile terminal 10 is displayed on the display device 20 as shown in FIG. Thus, the process of the portable terminal 10 when the direct connection is disconnected when not expected will be described with reference to FIG.
  • FIG. 9 is a flowchart showing a process flow of the mobile terminal 10 when the direct connection is disconnected due to the communication environment in the wireless communication system 1 according to the first embodiment of the present invention.
  • the direct communication unit 14 transmits a video to be displayed on the display device 20 to the display device 20 using the wireless communication unit 12, the direct communication unit 14 receives a response signal corresponding thereto from the display device 20.
  • the direct communication unit 14 determines whether or not this response signal has been acquired within a certain time (step S51).
  • step S51 when it is determined that “the response signal has not been received within a certain time” (step S51: No), the direct communication unit 14 indicates that the response signal has not been received within the certain time. Is output to the communication unit switching unit 19.
  • the communication unit switching unit 19 acquires a signal indicating that the response signal has not been received within a predetermined time, the communication unit switching unit 19 determines whether or not an IP control connection is established (step S52).
  • step S52 when it is determined that “IP control connection is established” (step S52: Yes), the IP control communication unit 13 transmits a direct connection reset request signal to the wireless connection to reset the direct connection. It transmits to the display apparatus 20 using the communication part 12 (step S53). And the IP control communication part 13 determines whether the reset response signal with respect to the transmitted reset request signal was received (step S54).
  • step S54 If it is determined in step S54 that “the reset response signal has been received” (step S54: Yes), the IP control communication unit 13 outputs a signal indicating that the reset response signal has been received to the communication unit switching unit 19. To do.
  • the communication unit switching unit 19 determines whether or not direct connection automatic reconnection is set (step S55).
  • step S55 If it is determined in step S55 that “the direct connection automatic reconnection is set” (step S55: Yes), the communication unit switching unit 19 searches for a connection destination for establishing a direct connection to the display device 20.
  • the IP control communication unit 13 is instructed to control to send a signal.
  • the IP control communication unit 13 that has received the command uses the wireless communication unit 12 to transmit a signal for controlling the display device 20 to transmit a connection destination search signal (step S56).
  • the communication unit switching unit 19 switches from communication by the IP control communication unit 13 to communication by the direct communication unit 14, and the direct communication unit 14 transmits a connection destination search signal (step S57). Then, the direct communication unit 14 determines whether or not direct connection has been established (step S58).
  • step S58 If it is determined in step S58 that “direct connection has been established” (step S58: Yes), the processing in FIG. 9 ends.
  • step S58 when it is determined in step S58 that “direct connection has not been established” (step S58: No), the direct communication unit 14 generates an error signal indicating that the direct connection cannot be automatically reconnected. To the display control unit 16. When acquiring the error signal, the display control unit 16 displays an error display indicating an automatic reconnection failure on the display unit 17 (step S59). In this way, the process of FIG. 9 is complete
  • step S55 when it is determined in step S55 that “the direct connection automatic reconnection is not set” (step S55: No), the communication unit switching unit 19 transmits the direct connection automatic reconnection to the IP control communication unit 13. A signal indicating that the setting is not set is output.
  • the IP control communication unit 13 When acquiring the signal indicating that the direct connection automatic reconnection is not set, the IP control communication unit 13 outputs a signal indicating that the direct connection is disconnected to the display control unit 16.
  • the display control unit 16 acquires a signal indicating that the direct connection has been disconnected, the display control unit 16 displays a notification that the direct connection has been disconnected on the display unit 17 (step S60). In this way, the process of FIG. 9 is complete
  • step S54 If it is determined in step S54 that "the reset response signal has not been received" (step S54: No), the IP control communication unit 13 transmits the reset request signal for direct connection again to step S53. Return.
  • step S52 If it is determined in step S52 that "IP control connection is not established" (step S52: No), the communication unit switching unit 19 executes processing for establishing IP control connection (step S61). Since the process for establishing the IP control connection is the same as the process for establishing the IP control connection (steps S37 to S43), the details are omitted. Then, the communication unit switching unit 19 determines whether an IP control connection has been established with the last connected display device (step S62).
  • step S62 If it is determined in step S62 that "IP control connection with the last connected display device has been established" (step S62: Yes), a reset request signal for direct connection is transmitted using the established IP control connection. Therefore, the processing of the communication unit switching unit 19 proceeds to step S53.
  • step S62 determines whether the IP control connection has been established with the last connected display device. If it is determined in step S62 that "the IP control connection has not been established with the last connected display device" (step S62: No), a notification that the direct connection has been disconnected is displayed. The process of the communication unit switching unit 19 proceeds to step S60.
  • step S51 If it is determined in step S51 that “the response signal has been received within a predetermined time”, the direct connection is not disconnected, and the process returns to step S51.
  • the mobile terminal 10 automatically performs the process of reestablishing the direct connection, so that the user cannot operate anything.
  • the user automatically displays the video of the mobile terminal 10 on the display device 20 without operating the display device 20.
  • FIG. 10A is a diagram in which the mobile terminal 10 according to the second embodiment of the present invention displays an application that can be directly connected to the display device 20 by a single operation by the user
  • FIG. FIG. 11 is a diagram showing the display device 20 after the operation of FIG. 10A according to the second embodiment of the present invention.
  • the user selects a button for establishing a direct connection, as shown in (a) of FIG.
  • the mobile terminal 10 transmits a signal for controlling the display device 20 to transmit the connection destination search signal from the IP control communication unit 13 as in the first embodiment.
  • the display device 20 receives a signal for controlling to send a connection destination search signal from the mobile terminal 10, the display device 20 displays a direct connection standby screen on the display unit 27 as shown in FIG.
  • FIG. 11B is a diagram illustrating the mobile terminal 10 after the direct connection is established. It is a figure which shows the display apparatus 20 which displays the image
  • the mobile terminal 10 when the user selects a button for establishing a direct connection, the mobile terminal 10 automatically transmits a connection destination search signal. Therefore, the user operation is simplified.
  • the user activates the remote control app to make a direct connection.
  • the user selects the button.
  • the mobile terminal 10 is directly connected to the display device 20 by a user gesture (for example, shaking the mobile terminal 10 up and down). Process to establish.
  • the communication unit switching unit 19 swings the mobile terminal 10 up and down from the output of an acceleration sensor (not shown) provided in the mobile terminal 10 instead of the information from the user input unit 18. It is determined whether or not it has been.
  • the communication unit switching unit 19 transmits a signal for controlling the display device 20 to transmit a connection destination search signal from the IP control communication unit 13 as in the second embodiment.
  • the direct communication unit 14 is enabled and a connection destination search signal is transmitted. In this way, a direct connection is established between the mobile terminal 10 and the display device 20.
  • the mobile terminal 10 sends a connection destination search signal by a gesture in which the user shakes the mobile terminal 10 up and down. Accordingly, the user does not need to perform an input operation such as a touch operation on the screen, and thus the operation is simplified.
  • FIG. 12 is a figure which shows a mode that a user flicks the portable terminal 10 in order to display the remote control application which concerns on Embodiment 4 of this invention
  • (b) is a remote control application by (a). It is a figure which shows a mode that is displayed and a user operates. After the direct connection is established, the remote control application for controlling the display device 20 can be called immediately while other applications are in use, as shown in FIG.
  • the remote control application displays a numeric button or a power button on the screen of the mobile terminal 10, and the user can control the display device 20 by selecting it.
  • the display device 20 is a television receiver (hereinafter referred to as a television)
  • a numeric button of a remote control application is pressed, a control signal is transmitted to the television 20 using direct connection, and the channel of the television 20 is switched.
  • the control signal can be sent in addition to the video using the direct connection. Accordingly, the mobile terminal 10 does not need to establish another communication for sending a control signal, and thus the processing of the mobile terminal 10 is simplified.
  • the communication unit switching unit 19 instructs the infrared signal transmission unit 11 to transmit a signal for controlling to send the connection destination search signal.
  • the infrared signal transmission unit 11 transmits a signal for controlling to transmit a connection destination search signal to the display device 20 using a communication path (first communication path) of infrared communication.
  • the infrared signal receiving unit 21 that has received a signal for controlling to send a connection destination search signal from the mobile terminal 10 outputs the received signal to the connection destination search signal transmission determining unit 25.
  • the connection destination search signal transmission determination unit 25 acquires the signal
  • the connection destination search signal transmission determination unit 25 instructs the direct communication unit 24 to transmit the connection destination search signal.
  • the mobile terminal 10 sends a connection destination search signal by turning on the wireless output. Therefore, since the display device 20 and the mobile terminal 10 send a connection destination search signal, a direct connection is established.
  • the mobile terminal 10 transmits a signal that is controlled to transmit the connection destination search signal by using the infrared signal transmission unit 11. Therefore, the user does not need to perform an operation of selecting a counterpart device, and the user operation is simplified.
  • the user operates the display device 20 so that the mobile terminal 10 can be controlled from the display device 20.
  • the IP control communication unit 23 (control signal transmitting means) of the display device 20 sends a signal for controlling the mobile terminal 10 to send a connection destination search signal. Send.
  • the direct communication unit 14 transmits the connection destination search signal. In this way, the direct connection is established by the display device 20 sending the control signal.
  • the user can establish a direct connection with the mobile terminal 10 by operating only the display device 20. Therefore, the user's operation is simplified as in the first embodiment.
  • control blocks of the mobile terminal 10 and the display device 20 may be realized by a logic circuit (hardware) formed in an integrated circuit (IC chip) or the like, or realized by software using a CPU (Central Processing Unit). May be.
  • a logic circuit hardware
  • IC chip integrated circuit
  • CPU Central Processing Unit
  • the mobile terminal 10 and the display device 20 include a CPU that executes instructions of a program that is software that implements each function, and a ROM (Read Only Memory) or a storage device (these are referred to as “recording media”), RAM (Random Access Memory) for expanding the program, and the like.
  • a computer or CPU reads the said program from the said recording medium and runs it.
  • the recording medium a “non-temporary tangible medium” such as a tape, a disk, a card, a semiconductor memory, a programmable logic circuit, or the like can be used.
  • the program may be supplied to the computer via an arbitrary transmission medium (such as a communication network or a broadcast wave) that can transmit the program.
  • a transmission medium such as a communication network or a broadcast wave
  • the present invention can also be realized in the form of a data signal embedded in a carrier wave in which the program is embodied by electronic transmission.
  • a mobile terminal is a mobile terminal (mobile terminal 10) that controls a display device using a first communication path and directly transmits and receives data using a second wireless communication path.
  • a control signal transmitting means IP control communication unit 13 for transmitting a control signal for controlling to transmit a signal for establishing a second communication path to the display device using the first communication path;
  • Connection request signal transmission means direct communication unit 14 for transmitting a signal for establishing the second communication path.
  • a path for directly transmitting and receiving data between the mobile terminal and the display device can be established only by operating the mobile terminal.
  • the first communication path in aspect 1 may be a communication path for wireless communication via an access point.
  • the first communication path in aspect 1 may be a communication path for infrared communication.
  • a display device is a display device (display device 20) that controls a mobile terminal using a first communication path and directly transmits and receives data using a wireless second communication path.
  • a control signal transmitting means IP control communication unit 23 for transmitting a control signal for controlling the mobile terminal to transmit a signal for establishing a second communication path using the first communication path;
  • a connection request signal transmitting means direct communication unit 24 for transmitting a signal for establishing the second communication path.
  • a path for directly transmitting and receiving data between the mobile terminal and the display device can be established only by operating the display device.
  • the television receiver according to aspect 5 of the present invention may include the display device according to aspect 4 described above.
  • the television receiver can be used as a display device.
  • a wireless communication system includes a display device and a mobile terminal that controls the display device using a first communication path and directly transmits and receives data using a second communication path by wireless.
  • the mobile terminal transmits a control signal for controlling to transmit a signal for establishing a second communication path to the display device using the first communication path.
  • Control signal transmission means and connection request signal transmission means for transmitting a signal for establishing a second communication path, wherein the display device uses the first communication path to transmit the control signal.
  • Control signal receiving means for receiving and connection request signal transmitting means for transmitting a signal for establishing the second communication path based on the received control signal may be provided.
  • a path for directly transmitting and receiving data between the mobile terminal and the display device can be established only by operating the mobile terminal.
  • a wireless communication system includes a mobile terminal and a display device that controls the mobile terminal using the first communication path and directly transmits and receives data using the second communication path by wireless.
  • the display device transmits a control signal for controlling the mobile terminal to transmit a signal for establishing a second communication path using the first communication path.
  • Control signal transmission means and connection request signal transmission means for transmitting a signal for establishing a second communication path, wherein the portable terminal uses the first communication path to transmit the control signal.
  • Control signal receiving means for receiving and connection request signal transmitting means for transmitting a signal for establishing the second communication path based on the received control signal may be provided.
  • a path for directly transmitting and receiving data between the mobile terminal and the display device can be established only by operating the display device.
  • the portable terminal and the display device according to each aspect of the present invention may be realized by a computer.
  • the portable terminal and the display device are operated by causing the computer to operate as each unit included in the portable terminal and the display device.
  • a program for realizing a display device on a computer and a computer-readable recording medium on which the program is recorded also fall within the scope of the present invention.
  • Miracast (registered trademark) may be used as a direct connection communication method.
  • Miracast uses Wifi technology, so it has high communication speed and can transmit high-resolution video.
  • the present invention can be used in a wide variety of fields, such as televisions and smartphones at home where a local area network is constructed.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Details Of Television Systems (AREA)
  • Selective Calling Equipment (AREA)

Abstract

La présente invention concerne un terminal portatif (10) destiné à mettre en œuvre une commande, de sorte qu'un signal de recherche de destination de connexion est envoyé depuis une unité de communication de commande IP (13) à un dispositif d'affichage (20). Le signal de recherche de destination de connexion est envoyé depuis une unité de communication directe (14) et une connexion, aux fins de communication directe avec le dispositif d'affichage, est établie.
PCT/JP2013/083135 2012-12-26 2013-12-10 Terminal portatif, dispositif d'affichage, récepteur de télévision et système de communication sans fil WO2014103710A1 (fr)

Applications Claiming Priority (4)

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JP2012-283563 2012-12-26
JP2012283563 2012-12-26
JP2013-077172 2013-04-02
JP2013077172A JP2014143660A (ja) 2012-12-26 2013-04-02 携帯端末、表示装置、テレビジョン受像機、無線通信システム

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KR101658630B1 (ko) * 2014-10-31 2016-09-22 삼성전자주식회사 사용자 단말 장치, 전자 장치, 시스템 및 그 제어 방법
JP6590940B2 (ja) * 2015-03-23 2019-10-16 ネイバー コーポレーションＮＡＶＥＲ Ｃｏｒｐｏｒａｔｉｏｎ モバイル機器のアプリケーション実行装置およびその方法
JP6524762B2 (ja) * 2015-04-03 2019-06-05 富士通株式会社 コンテンツ表示制御方法、コンテンツ表示制御装置およびコンテンツ表示制御プログラム

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JP2011103590A (ja) * 2009-11-11 2011-05-26 Victor Co Of Japan Ltd 無線起動装置
JP2012049625A (ja) * 2010-08-24 2012-03-08 Sony Corp 無線通信装置、プログラム、無線通信方法、および無線通信システム
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