WO2013186853A1 - Système d'affichage et son procédé de commande - Google Patents

Système d'affichage et son procédé de commande Download PDF

Info

Publication number
WO2013186853A1
WO2013186853A1 PCT/JP2012/065001 JP2012065001W WO2013186853A1 WO 2013186853 A1 WO2013186853 A1 WO 2013186853A1 JP 2012065001 W JP2012065001 W JP 2012065001W WO 2013186853 A1 WO2013186853 A1 WO 2013186853A1
Authority
WO
WIPO (PCT)
Prior art keywords
remote controller
power supply
power
main body
display device
Prior art date
Application number
PCT/JP2012/065001
Other languages
English (en)
Japanese (ja)
Inventor
小林　博之
Original Assignee
Ｎｅｃディスプレイソリューションズ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ｎｅｃディスプレイソリューションズ株式会社 filed Critical Ｎｅｃディスプレイソリューションズ株式会社
Priority to PCT/JP2012/065001 priority Critical patent/WO2013186853A1/fr
Publication of WO2013186853A1 publication Critical patent/WO2013186853A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
    • G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
    • H04N21/41265—The peripheral being portable, e.g. PDAs or mobile phones having a remote control device for bidirectional communication between the remote control device and client device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42204—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor
    • H04N21/42206—User interfaces specially adapted for controlling a client device through a remote control device; Remote control devices therefor characterized by hardware details
    • H04N21/42222—Additional components integrated in the remote control device, e.g. timer, speaker, sensors for detecting position, direction or movement of the remote control, microphone or battery charging device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers

Definitions

  • Recent projector remote controllers include remote controllers with wired functions.
  • a remote controller with a wired function is equipped with a battery and operates as a wired remote controller when it is connected to the projector body, and operates as a wired remote controller when it is not connected to the projector body. By supplying, it operates as a wireless remote controller.
  • the display system includes an apparatus main body 1 and a remote controller 13 with a wired function.
  • the apparatus body 1 includes a terminal 2, a connection detection unit 3, a first control unit 4, a main power supply unit 5, an operation key unit 6, a second control unit 7, a wired power supply unit 8, a video processing unit 9, a video display unit 10,
  • the light source unit 11, the pull-up resistor elements 12, 34 and 35, and the wireless reception unit 33 are included.
  • the signal line 20 a is connected to the first control unit 4 via the terminal 2.
  • a connection line between the terminal 2 and the first control unit 4 is connected to a power supply line (hereinafter referred to as a 5V line) to which a predetermined voltage (for example, 5V) is supplied from the main power supply unit 5 via the pull-up resistor element 12.
  • a predetermined voltage for example, 5V
  • the wireless receiver 33 is connected to the 5V line via the pull-up resistor element 34, and the connection line between the wireless receiver 33 and the pull-up resistor element 34 is connected to the first controller 4.
  • the operation key unit 6 is connected to the 5V line via the pull-up resistor element 35, and the connection line between the operation key unit 6 and the pull-up resistor element 35 is connected to the first control unit 4.
  • the power supply line 20 b is connected to the wired power supply unit 8 through the terminal 2.
  • the wired power supply unit 8 supplies power to the remote controller 13 with a wired function through the power supply line 20b.
  • the connection detection unit 3 detects whether or not the wired cable 20 is connected to the terminal 2. For example, a first terminal connected to the 5V line and a second terminal connected to the connection detection unit 3 are provided, and when the wired cable 20 is connected, the first and second terminals are connected. A mechanical switch portion is provided at the terminal 2. The connection detection unit 3 determines that the state in which 5V is supplied to the second terminal of the mechanical switch unit is the state in which the wired cable 20 is connected to the terminal 2, and 5V is supplied to the second terminal. The connection detection signal is supplied to the first control unit 4 over a certain period.
  • the operation key unit 6 is an input means having a plurality of operation keys such as a keyboard and a touch panel.
  • the operation key unit 6 receives an input operation using the operation key, and supplies a signal corresponding to the input operation to the first control unit 4.
  • One of the plurality of operation keys is a power button for turning on the power of the apparatus main body 1.
  • the wireless receiving unit 33 performs wireless communication such as infrared communication with the remote controller 13 with a wired function, and supplies the first control unit 4 with a remote control signal received by wireless communication.
  • the video processing unit 9 receives a video signal from an external video supply device such as a personal computer, and performs necessary video processing on the received video signal.
  • Video processing includes, for example, gamma correction processing, processing for enlarging or reducing an image, and resizing to an appropriate display size.
  • the video processing unit 9 includes an input signal processing unit that determines whether a video signal is input from the external video supply device.
  • the video display unit 10 includes, for example, a display panel such as a liquid crystal panel and a drive unit that drives the display panel according to a video signal from the video processing unit 9.
  • the light source unit 11 includes a light source and a lens group for irradiating the display panel with light from the light source.
  • a discharge lamp, a solid light source such as an LED, or the like can be used as the light source.
  • the first control unit 4 is composed of a small CPU (Central Processing Unit) with low power consumption and performs the minimum necessary operation.
  • the first control unit 4 controls the power supply operation by the main power supply unit 5 and the wired power supply unit 8 according to the remote control signal received via the terminal 2 or the wireless reception unit 33 and the signal from the operation key unit 6. Or controlling the start and stop of the second control unit 7.
  • CPU Central Processing Unit
  • the first control unit 4 stops the wireless reception unit 33 during a period in which the connection detection signal is received from the connection detection unit 3.
  • the apparatus main body 1 operates as a wired-only apparatus, and when the wired cable 20 is not connected to the terminal 2, the apparatus main body 1 is dedicated to wireless use.
  • the processing for the wired remote controller and the processing for the wireless remote controller can be prevented from overlapping.
  • the first control unit 4 After the second control unit 7 is activated, the first control unit 4 sends the remote control signal received via the terminal 2 or the wireless reception unit 33 and the signal from the operation key unit 6 to the second control unit 7. Supply.
  • the second control unit 7 is composed of a large-sized CPU whose power consumption is larger than that of the first control unit 4 and is activated according to the activation signal from the first control unit 4 to control the operations of the video processing unit 9 and the light source unit 11. Further, the second control unit 7 performs necessary processing according to a remote control signal supplied via the first control unit 4 or a signal from the operation key unit 6. For example, the second control unit 7 displays an OSD (On Screen Display) menu including operation mode setting items, etc., and sets or changes the operation mode in accordance with a user's operation, and is selected on the OSD menu. Processing for storing or updating information is performed.
  • OSD On Screen Display
  • the remote controller 13 with a wired function includes a terminal 14, a control unit 15, a transmission unit 16a, a wireless transmission unit 16b, a battery 17, a power supply unit 18, diodes 18a and 18b, and a power switch 19.
  • the terminal 14 is connected to the apparatus main body 1 via the wired cable 20.
  • the signal line 20 a of the wired cable 20 is connected to the transmission unit 16 via the terminal 14.
  • the power supply line 20 b of the wired cable 20 is connected to the power supply unit 18 via the terminal 14.
  • the power supply unit 18 is also connected to the battery 17.
  • the power supply unit 18 supplies power to the control unit 15.
  • the power supply unit 18 receives power supply from the wired power supply unit 8, and when the wired cable 20 is not connected, the power supply unit 18 supplies power. Receive.
  • the first control unit 4 operates by receiving power supply from the main power supply unit 5 and controls the main power supply unit 5 to supply a voltage of 5V to the 5V line.
  • the standby power in the first standby mode is 0.5 W or less.
  • the user can set the standby operation mode to the first standby mode or the second standby mode in the OSD menu. Normally, the standby operation mode is set to the first standby mode with low power consumption.
  • step S12 If the determination result in step S12 is “No”, the first control unit 4 shifts the operation mode from the normal operation mode to the first standby mode (step S13).
  • step S12 If the determination result in step S12 is “Yes”, the first control unit 4 shifts the operation mode from the normal operation mode to the second standby mode (step S14).
  • step S ⁇ b> 12 when the determination result in step S ⁇ b> 12 is “No”, the mode shift to the second standby mode is not performed. It can be 0.5 W or less.
  • the standby power regulation such as the European ErP command is cleared not only in the remote controller with the wired function but also in the wired remote controller having no battery, in a state where it is connected to the apparatus main body.
  • the standby power regulation 0.5 W
  • the wired remote controller without a battery is used, in addition to the above-described standby power problem, when the power supply by the wired power supply unit 8 is stopped, the wired remote controller There is a problem that the controller cannot be used.
  • An object of the present invention is to solve the above problems and provide a display system and a control method therefor that can reduce standby power to 0.5 W or less even when a remote controller is connected to the apparatus main body.
  • a display device main body and a remote controller connectable to the display device main body via a cable, and a normal operation mode for performing display by the display device main body and a standby mode for not performing display by the display device main body.
  • a display device main body a remote controller connectable to the display device main body via a cable including a power line and a signal line, and a normal operation mode for performing display by the display device main body, and the display device main body.
  • a display system control method having a standby mode in which display is not performed,
  • the display device body includes a power supply for a remote controller that supplies power to the remote controller via the power supply line,
  • the control unit of the display device main body causes the power supply operation to the remote controller by the power supply for the remote controller to be performed in the normal operation mode, and stopped in the standby mode.
  • Video processing unit 10 Video display unit 11 Light source unit 12, 34, 35 Pull-up resistance element DESCRIPTION OF SYMBOLS 15 Control part 16a Transmission part 16b Wireless transmission part 17 Battery 18 Power supply part 30 Apparatus main body 33 Wireless reception part 40 Remote controller 42 with a wired function Power supply switch part
  • the display system includes an apparatus main body 30 and a remote controller 40 with a wired function connected to the apparatus main body 30 via the wired cable 20.
  • the wired cable 20 is the same as that shown in FIG.
  • the apparatus main body 30 is provided with a first control unit 24 in place of the first control unit 4 of the apparatus main body 1 shown in FIG. 1, and the configuration other than the first control unit 24 is basically shown in FIG. Same as shown.
  • FIG. 4 shows the configuration of the power switch 42 and the transistor circuit 41.
  • the transistor circuit 41 includes a transistor 41a, a diode 41b, and a resistance element 41c.
  • the emitter terminal of the transistor 41a is connected to a connection line between the transmitter 16a and the terminal 14.
  • a connection line between the transmitter 16a and the terminal 14 is connected to the signal line 20a.
  • the collector terminal of the transistor 41a is grounded.
  • the base terminal of the transistor 41a is connected to the output terminal of the power supply unit 18 through the diode 41b.
  • a connection line between the base terminal of the transistor 41a and the diode 41b is connected to one terminal of the power switch 42b via the resistance element 41c.
  • the other terminal of the power switch 42b is grounded.
  • the resistance value of the resistance element 41c is, for example, 10 k ⁇ .
  • the power supply unit 18 receives power supply from the wired power supply unit 8 on the apparatus main body 30 side, and supplies a predetermined voltage to the connection line between the base terminal of the transistor 41a and the resistance element 41c via the diode 41b. When not receiving power supply from the wired power supply unit 8, the power supply unit 18 receives power supply from the battery 17 and supplies a predetermined line to the connection line between the base terminal of the transistor 41a and the resistance element 41c via the diode 41b. Supply voltage.
  • the first control unit 24 determines whether or not the remote controller 40 with the wired function is connected. Regardless, the operation mode of the apparatus main body 30 is set to the first standby mode.
  • the power switch can be used depending on whether the power can be supplied from the battery 17 or not.
  • the signal detection operation according to the on / off operation of the unit 42 is different.
  • the resistor 41c is provided in the connection line between the base terminal of the transistor 41a and the power switch 42b, the base terminal of the transistor 41a is supplied by voltage supply from the power supply unit 18 regardless of whether the power switch 42b is on or off. It becomes a high level and the transistor 41a is turned off.
  • the transistor circuit 41 When the transistor 41a is in the off state, the transistor circuit 41 can be regarded as being disconnected from the output line of the transmission unit 16a. Therefore, the transistor circuit 41 does not affect the transmission of the remote control signal by the transmitter 16a.
  • the power switch unit 42 When the power switch unit 42 is pressed, the power switch 42a is turned on, and the control unit 15 supplies a remote control signal for turning on the power of the apparatus body 1 to the transmission unit 16a.
  • the transmitter 16a transmits a remote control signal to the apparatus main body 30 via the signal line 20a.
  • the first control unit 24 performs control according to the remote control signal from the transmission unit 16a.
  • the state where the power supply from the battery 17 cannot be received refers to a state where the battery 17 is exhausted and cannot be used, or a state where the battery 17 is not mounted.
  • the input signal line to the first control unit 24 includes a first signal line provided with the pull-up resistor element 12, a second signal line provided with the pull-up resistor element 34, and a pull signal. And a third signal line provided with the up-resistance element 35. In the initial state, the first to third signal lines are all fixed at a high level.
  • the emitter terminal of the transistor 41a of the transistor circuit 41 is the first via the signal line 20a. Connected to signal line. Since the first signal line is at a high level, the emitter terminal of the transistor 41a is also at a high level.
  • the transistor 41a When the transistor 41a is turned on, the output line of the transmission unit 16a is grounded through the transistor 41a, and as a result, the first signal line on the device main body 30 side becomes low level.
  • the transistor 41a When the power switch 42b is turned off, no current flows between the emitter and the base, so that the transistor 41a is turned off.
  • the transistor circuit 41 can be regarded as being disconnected from the output line of the transmission unit 16a, and the first signal line on the device body 30 side becomes high level again.
  • the voltage level of the first signal line on the apparatus body 30 side changes according to the on / off operation.
  • the first control unit 24 can determine whether the power switch 42b is on or off based on a change in the voltage level of the first signal line.
  • the first control unit 24 constantly monitors the input signal line from the terminal 2 or at predetermined time intervals, and if the duration of the ON state of the power switch 42b is within the predetermined time range, the remote controller with wired function It is determined that the specific signal is received from 40.
  • the predetermined time range is, for example, a range from 0.5 second to 1.0 second, but may be any time range as long as it can be distinguished from the remote control signal.
  • the predetermined time interval may be any time interval as long as the specific signal can be detected.
  • the first control unit 24 sets the operation mode of the apparatus main body 30 to the second standby mode. Accordingly, power is supplied from the main power supply unit 5 to the second control unit 7 and the video processing unit 9, and power is supplied from the wired power supply 8 to the remote controller 40 with a wired function.
  • the power supply unit 18 when the power supply unit 18 receives power supply from the wired power supply 8, the power supply unit 18 supplies power to the control unit 15 and supplies a predetermined voltage to the base terminal of the transistor 41a via the diode 41b. .
  • the base terminal of the transistor 41a becomes high level, and the transistor 41a is turned off. During the period in which the voltage is supplied from the power supply unit 18 to the base terminal of the transistor 41a, the transistor 41a is kept off regardless of whether the power switch 42b is on or off.
  • the transistor circuit 41 When the transistor 41a is turned off, the transistor circuit 41 can be regarded as being disconnected from the output line of the transmitter 16a. Therefore, the transistor circuit 41 does not affect the transmission of the remote control signal by the transmitter 16a.
  • the control unit 15 supplies a remote control signal of a predetermined code for turning on the power of the apparatus body 1 to the transmission unit 16a.
  • the transmitter 16a transmits a remote control signal to the apparatus main body 30 via the signal line 20a.
  • the first control unit 24 performs control according to the remote control signal from the transmission unit 16a.
  • FIG. 5 shows the operation of the apparatus main body 30 when shifting from the first standby mode to the normal operation mode.
  • the first control unit 24 sets the operation mode to the first standby mode (step S20), and then, based on the connection detection signal from the connection detection unit 3, the remote controller 40 with a wired function is connected via the wired cable 20. It is determined whether or not it is connected to the apparatus main body 30 (step S21).
  • the first control unit 24 determines whether or not a power ON signal has been received (step S22).
  • the power ON signal is a remote control signal of a predetermined code received from the remote controller 40 with wired function via the wireless receiver 33 or a signal indicating that the power button of the operation key unit 6 has been pressed. .
  • step S22 If the determination in step S22 is “Yes”, the first control unit 24 shifts the operation mode of the apparatus body 30 from the first standby mode to the normal operation mode (step S23).
  • the first control unit 24 determines whether or not a power ON signal has been received (step S24).
  • the power ON signal is a remote control signal transmitted by the remote controller 40 with a wired function in the above-mentioned “(1) state in which power supply from the battery 17 can be received” or a power button of the operation key unit 6. This signal indicates that the button has been pressed.
  • step S24 If the determination in step S24 is “Yes”, the first control unit 24 performs a process of shifting to the normal operation mode in step S23.
  • step S24 determines whether a specific signal has been received (step S25).
  • the specific signal is a specific signal transmitted by the remote controller 40 with a wired function in the above-mentioned “(2) state where power supply from the battery 17 cannot be received”.
  • step S25 When the determination in step S25 is “Yes”, the first control unit 24 shifts the operation mode of the apparatus body 30 from the first standby mode to the second standby mode (step S26).
  • the first control unit 24 determines whether or not a power ON signal has been received (step S27).
  • the power ON signal is a remote control signal of a predetermined code transmitted by the remote controller 40 with wired function in the above-mentioned “(2) state in which power supply from the battery 17 cannot be received”.
  • step S27 If the determination in step S27 is “Yes”, the first control unit 24 performs a process of shifting to the normal operation mode in step S23.
  • step S27 determines whether or not a predetermined time has elapsed after receiving the specific signal (step S28).
  • the predetermined time is an arbitrarily set time, for example, 10 seconds.
  • step S28 If the determination in step S28 is "Yes", the first control unit 24 performs the first standby mode setting process in step S20.
  • step S28 If the determination in step S28 is "No", the first control unit 24 executes again from the process in step S27.
  • the display system of the present embodiment described above it is possible to shift to the first standby mode in a state where the remote controller 40 with the wired function is connected to the apparatus main body 30.
  • the standby power of the apparatus main body 30 in the first standby mode is 0.5 W or less.
  • the apparatus main body 30 can be shifted to the normal operation mode using the remote controller 40 with a wired function.
  • the apparatus main body 30 is shifted to the normal operation mode using the remote controller 40 with the wired function. be able to. Therefore, even if the battery 17 is exhausted, it is not necessary to immediately replace the battery.
  • the display system of the present invention is not limited to the configuration and operation described above.
  • the apparatus main body 30 when shifting to the first standby mode with the remote controller 40 with the wired function connected to the apparatus main body 30, the apparatus main body 30 is shifted to the normal operation mode by pressing the power switch 42 twice.
  • the power switch 42b is turned on, and the first signal line changes from the high level to the low level.
  • the first control unit 24 shifts the operation mode to the second standby mode and causes the wired power supply unit 8 to supply power.
  • the control unit 15 is activated and the transistor 41a is turned off so that the signal can be transmitted by the transmission unit 16a without being affected by the transistor circuit 41. become.
  • the activated control unit 15 causes the transmission unit 16a to repeatedly transmit a remote control signal including a predetermined code for turning on the power during a period in which the power switch 42a is on.
  • a continuous transmission signal (repeat code) of a predetermined code is supplied from the transmission unit 16 a to the first control unit 24 of the apparatus main body 30 via the signal line 20 a of the wired cable 20.
  • the repeat code may be a code that repeatedly transmits the same code, or may indicate that transmission of a predetermined code continues for a certain time or more.
  • the first control unit 24 shifts the operation mode from the second standby mode to the normal operation mode when the repeat code is continuously received after the change to the low level. If the repeat code cannot be received continuously after the change to the low level, the first control unit 24 returns the operation mode from the second standby mode to the first standby mode after a predetermined time has elapsed.
  • the first control unit 24 counts the elapsed time from the time when it changes to the low level, and when the low level state continues until the count value reaches a value corresponding to 1 second, the operation mode is changed to the first standby mode. If the repeat code is continuously received until the count value reaches a value corresponding to 2 seconds, the operation mode is changed from the second standby mode to the normal operation mode. After the transition to the second standby mode, when the repeat code cannot be received continuously until the count value reaches a value corresponding to 2 seconds, the operation mode is changed from the second standby mode to the first standby mode. return.
  • the operation mode shifts from the normal operation mode to the first standby mode
  • the present invention is not limited to this.
  • the power-off operation is performed, the power-on operation is not performed until a predetermined time (for example, 1 minute) elapses after the operation mode shifts from the normal operation mode to the second standby mode. You may transfer to the first standby mode.
  • step S25 when “Yes” is obtained in each of steps S25 and S27, that is, when the power-on operation is performed twice, the operation mode shifts to the normal operation mode.
  • the user can confirm whether or not he / she really wants to power on.
  • the discharge lamp is turned on once, it takes a certain amount of time to turn off the lamp. Therefore, when the discharge lamp is used as a light source, confirmation by turning on the power twice is effective.
  • solid light sources such as LED, as a light source, such confirmation is unnecessary.
  • the transition to the normal operation mode in step S23 may be performed.
  • a remote controller without a battery can be used instead of the remote controller 40 with a wired function.
  • the battery 17 and the wireless transmission unit 16b of the remote controller 40 with the wired function are deleted, and the wireless reception unit 33 and the pull-up resistance element 34 of the apparatus main body 30 are deleted.
  • the operation in the case of using this remote controller is obtained by deleting the process related to the state in which power is supplied from the battery 17 in the process shown in FIG.
  • a display system includes a display device main body and a remote controller connectable to the display device main body via a cable, a normal operation mode for performing display by the display device main body, and the display device A display system having a standby mode in which display by the main body is not performed, wherein the cable has a power line and a signal line, and the display apparatus main body supplies power to the remote controller via the power line.
  • a remote controller power source to perform, and a power supply operation to the remote controller by the remote controller power source is performed in the normal operation mode and stopped in the standby mode.
  • the remote controller receives an on / off operation input of the display device body, transmits a control signal indicating the input content to the control unit via the signal line in the normal operation mode, and on / off in the standby mode.
  • Signal transmitting means for changing the voltage level of the signal line according to the operation is provided.
  • the control unit is in a state where the remote controller and the display device main body are connected by the cable, and receives the control signal indicating power off from the signal transmission unit in the normal operation mode, the display unit
  • the operation mode of the apparatus main body is set to the standby mode, the power supply by the remote controller power supply is stopped, and the remote controller and the display apparatus main body are connected by the cable. When a change in the voltage level of the signal line is detected, power is supplied from the remote controller power source.
  • the operation mode of the display device main body can be shifted to the standby mode (first standby mode) in which the power supply by the remote controller power supply is stopped with the remote controller connected to the display device main body. it can.
  • the standby power of the apparatus main body in this standby mode is 0.5 W or less.
  • the remote controller when the remote controller is switched to the standby mode with the remote controller connected to the display device body, the remote controller cannot receive power supply from the remote controller power source.
  • the signal transmission means changes the voltage level of the signal line in accordance with the on / off operation, and the control unit on the display device body side detects the change in the voltage level, and the remote control power supply Supply power to the controller.
  • the remote controller can be used.
  • the remote controller can be used even when the remote controller is connected to the apparatus main body and the standby mode (first standby mode) is entered.
  • the signal transmission means is in a state where the power switch unit for performing an input operation for turning on and off the display device body, the remote controller and the display device body are connected by the cable.
  • the switch circuit that changes the voltage level of the signal line according to the on / off operation of the power switch unit, and the power supply for the remote controller via the power supply line, and the power A power supply unit that supplies a predetermined voltage to the switch circuit during the supply period, and the switch circuit is electrically disconnected from the signal line when the predetermined voltage is supplied from the power supply unit. May be configured.
  • the switch circuit includes a resistance element, a transistor having an emitter terminal connected to the signal line, a collector terminal grounded, a base terminal connected to one end of the resistance element, and one end connected to the base terminal of the transistor. And a diode to which the predetermined voltage is supplied from the signal transmission means at the other end, and the power switch unit is grounded at one end and the other end at the other end.
  • a power switch connected to the other end of the resistance element, and the input line to the control unit of the display device body of the signal line is supplied with a predetermined voltage via a pull-up resistor, and the power switch The voltage level of the input line may change depending on on / off.
  • control unit detects a change in the voltage level of the signal line and performs power supply by the power supply for the remote controller, and then, within a predetermined time, the control signal indicating power on from the signal transmission unit May not be received, the operation mode of the display device body may be set to the standby mode, and the power supply by the remote controller power supply may be stopped.
  • the display device body further includes a second control unit that consumes more power than the control unit, and the operation mode of the display device body is such that the second control unit and the power supply for the remote controller operate.
  • a second standby mode that consumes more power than the standby mode may be further included.
  • the control unit is in a state where the remote controller and the display device body are connected by the cable, and detects a change in the voltage level of the signal line in the standby mode.
  • the control signal indicating that the operation mode is changed from the standby mode to the second standby mode, power is supplied by the power supply for the remote controller, and power is turned on from the signal transmission means within a predetermined time from the power supply. May not be received, the operation mode of the display device main body may be shifted from the second standby mode to the standby mode, and the power supply by the remote controller power supply may be stopped.
  • control unit is in a state where the remote controller and the display device main body are connected by the cable, and the power is turned on from the signal transmission unit within a predetermined time in the second standby mode.
  • the operation mode of the display device body may be shifted from the second standby mode to the normal operation mode.
  • the display device main body and the remote controller may be the device main body 30 and the remote controller 40 with wired function of the display system shown in FIG.
  • the signal transmission means may be configured to include at least the control unit 15, the power supply unit 18, the transmission unit 16a, and the transistor circuit 41, and the wireless transmission unit 16b and the battery 17 are added to the configuration. It may be.
  • the control unit of the apparatus main body is the first control unit 24, and the second control unit is the second control unit 7.
  • the power supply for the remote controller is a wired power supply unit 8.
  • the cable is a wired cable 20.
  • the present invention described above can be applied to all display devices such as projectors and liquid crystal displays.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)

Abstract

La présente invention concerne un système d'affichage possédant un corps de dispositif d'affichage (30) et une télécommande (40). Le corps de dispositif d'affichage (30) comporte une alimentation électrique pour la télécommande (8), et une unité de commande (24) qui amène une opération d'alimentation en énergie à être réalisée de l'alimentation électrique pour la télécommande (8) à la télécommande (40) lorsque celle-ci est en mode de fonctionnement normal, et arrête l'opération d'alimentation en énergie lorsqu'elle est dans un mode attente. La télécommande (40) comprend des moyens d'émission de signal (15, 16a, 17, 18, 41, 42) qui reçoivent une entrée d'opération de mise sous tension/mise hors tension pour le corps de dispositif d'affichage (30), envoient un signal de commande représentant des détails d'entrée à l'unité de commande (24) par l'intermédiaire d'une ligne de signal (20a) lorsque ceux-ci sont en mode de fonctionnement normal, et changent le niveau de tension de la ligne de signal (20a) en réponse à des opérations de mise sous tension/mise hors tension lorsque ceux-ci sont en mode attente.
PCT/JP2012/065001 2012-06-12 2012-06-12 Système d'affichage et son procédé de commande WO2013186853A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/065001 WO2013186853A1 (fr) 2012-06-12 2012-06-12 Système d'affichage et son procédé de commande

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/065001 WO2013186853A1 (fr) 2012-06-12 2012-06-12 Système d'affichage et son procédé de commande

Publications (1)

Publication Number Publication Date
WO2013186853A1 true WO2013186853A1 (fr) 2013-12-19

Family

ID=49757717

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/065001 WO2013186853A1 (fr) 2012-06-12 2012-06-12 Système d'affichage et son procédé de commande

Country Status (1)

Country Link
WO (1) WO2013186853A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021019303A (ja) * 2019-07-22 2021-02-15 シャープ株式会社 信号受信装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002300674A (ja) * 2001-04-02 2002-10-11 Yamaha Livingtec Corp 有線式リモコン
JP2005269850A (ja) * 2004-03-22 2005-09-29 Matsushita Electric Ind Co Ltd 電源制御システム
JP2007088753A (ja) * 2005-09-21 2007-04-05 Sharp Corp 電源制御システム、表示装置、及び遠隔操作装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002300674A (ja) * 2001-04-02 2002-10-11 Yamaha Livingtec Corp 有線式リモコン
JP2005269850A (ja) * 2004-03-22 2005-09-29 Matsushita Electric Ind Co Ltd 電源制御システム
JP2007088753A (ja) * 2005-09-21 2007-04-05 Sharp Corp 電源制御システム、表示装置、及び遠隔操作装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021019303A (ja) * 2019-07-22 2021-02-15 シャープ株式会社 信号受信装置
JP7344033B2 (ja) 2019-07-22 2023-09-13 シャープ株式会社 信号受信装置

Similar Documents

Publication Publication Date Title
KR101536750B1 (ko) 방송수신장치의 상태에 따라 모드를 설정하는 원격제어장치
KR101380751B1 (ko) 영상처리장치 및 그 제어방법
EP2927807B1 (fr) Procédé d'activation d'un terminal, et terminal
JP2014108606A (ja) 画像処理装置、及び画像処理装置の制御方法
JP4819353B2 (ja) 表示装置
KR20070030028A (ko) 사무기기의 절전제어방법
US20130345833A1 (en) Operation Control Method and Electronic Apparatus
JP4163732B2 (ja) 表示システムおよびディスプレイ装置
JP6022524B2 (ja) 電子機器
WO2012172679A1 (fr) Dispositif d'affichage et procédé de communication
WO2013186853A1 (fr) Système d'affichage et son procédé de commande
US11012586B2 (en) Image forming device
US6901338B2 (en) Method of power control system for a PDA with a microprocessor
US20040166904A1 (en) Power saving method and mechanism for wireless input device
JP2016081012A (ja) マルチディスプレイ装置
KR101624866B1 (ko) 방송수신장치의 상태에 따라 모드를 설정하는 원격제어장치
US8243209B2 (en) Wireless transmitter, wireless television system, and controlling method thereof
JP5197310B2 (ja) 座標入力装置
JP2001169028A (ja) 省エネルギ制御装置
JP2008193560A (ja) リモコン装置
KR20090109655A (ko) 텔레비전 리모콘의 배터리 확인장치 및 그 제어방법
KR101000319B1 (ko) 절전형 멀티탭을 이용한 절전시스템
KR101181761B1 (ko) 이동통신 단말기 및 무선통신모듈 전원제어 방법
JP2006203293A (ja) 電子機器、テレビジョン受像機及び電源供給制御方法
JP2009089120A (ja) Ａｖ機器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12878935

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12878935

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP