JP5721174B2 - Remote control signal receiver - Google Patents

Description

  The present invention relates to a remote control signal receiving apparatus in an electronic device that can be connected to a television receiver.

  To turn on or off a remote controller (hereinafter referred to as a remote controller) for an electronic device that can be connected to a television receiver such as a video cassette recorder, a DVD player, or a set top box (STB). Needs to supply power to the remote control signal receiver even when the electronic device is in a standby state. As electronic devices become more sophisticated, the operation of the remote control of the electronic device becomes complicated, and the remote control signal receiver of the electronic device must decode various signals. For this reason, the remote control signal receiving unit generally includes a control circuit using a CPU or the like. Therefore, it is difficult to reduce the power consumption of the remote control signal receiver during standby.

  A TV remote control signal receiving unit capable of receiving a signal transmitted from a remote control of a television receiver (TV) is provided, and when the signal received by the TV remote control signal receiving unit is a TV power-on signal, a video light When the power supply to the subscriber line terminator is started and the TV power is off, the power supply to the video optical subscriber line terminator is stopped and the video optical subscriber line terminator is on standby. There is a device that prevents power consumption (see, for example, Patent Document 1).

JP 2002-84535 A

  In the device described in Patent Document 1, it is possible to prevent standby power consumption of the video optical subscriber line terminating device, but it is necessary to always supply power to the TV remote control signal receiving unit. It is impossible to prevent standby power consumption of the signal receiving unit.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a remote control signal receiving apparatus that can suppress power consumption during standby for receiving remote control signals of an electronic device.

A remote control signal receiving apparatus according to the present invention is a remote control signal receiving apparatus included in an electronic device connected to a television receiver through wiring capable of transmitting electric power, and a signal processing means for analyzing the received remote control signal Power supply means for supplying power to the signal processing means, power supply means for receiving power through the wiring from the television receiver that stops power supply to the wiring in the power-off state or standby state, and commercial power for the electronic equipment Main power control means capable of switching the power supply state from the power source and a timer, and the signal processing means supplies power to the main power control means when the remote control signal includes control information for instructing power off. If the status is set to shut-off and the remote control signal includes control information that instructs power-on, the main power The power supply state of the control means is set to the passing state, and the timer is in a state where the power supply state of the main power supply control means is in a cut-off state when a preset time has elapsed. The power supply state is set to a passing state .

  ADVANTAGE OF THE INVENTION According to this invention, the power consumption at the time of the remote control signal reception standby of an electronic device can be suppressed.

It is a block diagram which shows the structure of 1st Embodiment of the electronic device containing the remote control signal receiver by this invention. It is explanatory drawing which shows an example of the connection of the electronic device and television receiver in 1st Embodiment. It is explanatory drawing which shows an example of the connection of the electronic device and television receiver in 1st Embodiment. It is a block diagram which shows 2nd Embodiment of the electronic device containing the remote control signal receiver by this invention. It is explanatory drawing which shows an example of the connection of the electronic device and television receiver in 2nd Embodiment. It is explanatory drawing which shows an example of the connection of the electronic device and television receiver in 2nd Embodiment. It is a block diagram which shows the principal part of the remote control signal receiver by this invention.

Embodiment 1. FIG.
A first embodiment of the present invention will be described below with reference to the drawings.

  FIG. 1 is a block diagram showing the configuration of a first embodiment of an electronic apparatus including a remote control signal receiver according to the present invention.

  As shown in FIG. 1, electronic device 100 includes a device main body 110, an AC-DC converter 120, and a remote control signal receiver 200.

  Electronic device 100 is an electronic device that can be operated by a remote controller, and is connected to a television receiver. The electronic device 100 is, for example, a video cassette recorder, a hard disk drive (HDD) recorder, a DVD player, an STB, or the like.

  The device main body 110 realizes various functions of the electronic device 100. For example, when the electronic device 100 is an STB, the device main body 110 realizes functions included in the STB such as reception and conversion of broadcast signals. In addition, when the control information is input from the remote control signal receiving device 200, the device main body 110 executes a process according to the control information. The device main body 110 is realized by a CPU or the like provided in the electronic device 100 that operates according to a program.

  The AC-DC converter 120 converts AC power supplied from a commercial power source or the like into DC power. The AC-DC conversion unit 120 outputs the converted DC power to the device main body 110.

  The remote control signal receiving apparatus 200 includes a remote control signal light receiving unit 210, a remote control signal processing unit 220, a DC-DC conversion unit 230, and a power switch unit 240.

  Remote control signal light receiving unit 210 receives a signal transmitted from the remote control (hereinafter referred to as a remote control signal) and outputs the received remote control signal to remote control signal processing unit 220.

  Remote control signal processing unit 220 analyzes the remote control signal input from remote control signal light receiving unit 210 and acquires control information included in the remote control signal. For example, when the electronic device 100 is an STB, the control information is information for changing various settings of the STB such as channel switching and power ON / OFF. The remote control signal processing unit 220 outputs the acquired control information to the device main body unit 110.

  When the control information included in the remote control signal is control information related to power ON / OFF (hereinafter referred to as power ON / OFF control information), remote control signal processor 220 responds to the power ON / OFF control information. Then, a control signal 241 for turning on or off the power switch unit 240 is output to the power switch unit 240.

  The DC-DC converter 230 converts a DC voltage input from a USB interface (not shown) included in the electronic device 100 into a voltage that the remote control signal processor 220 can operate, and converts the DC power after the voltage conversion. Output to the remote control signal processing unit 220.

  The power switch unit 240 switches ON / OFF of the switch based on the control signal 241 input from the remote control signal processing unit 220 to start or stop input of AC power to the AC-DC conversion unit 120.

  2 and 3 are explanatory diagrams illustrating an example of connection between the electronic device and the television receiver in the first embodiment.

  As shown in FIG. 2, the electronic device 100 and the television receiver 300 are connected by a USB interface line 501 and a multimedia interface line 502.

  The electronic device 100 includes a USB interface and a multimedia interface (not shown). A USB interface line 501 and a multimedia interface line 502 are connected to the USB interface and multimedia interface of the electronic device 100. The multimedia interface is, for example, HDMI (High-Definition Multimedia Interface). The device main body 110 transmits and receives signals such as HDMI signals to and from the television receiver 300 via the multimedia interface.

  The commercial power outlet 400 connects the commercial power source and the electronic device 100. When the commercial power supply and the electronic device 100 are connected by the commercial power outlet 400, AC power supplied from the commercial power supply is input to the AC-DC converter 120 of the electronic device 100 through the commercial power outlet 400.

  The power switch unit 240 of the remote control signal receiver 200 is disposed between the commercial power outlet 400 and the AC-DC converter 120.

  Next, the operation of this embodiment will be described.

  First, when the power of the television receiver 300 is turned on, DC power (USB bus power) is supplied from the television receiver 300 to the USB interface of the electronic device 100 via the USB interface line 501.

  The DC-DC conversion unit 230 converts the DC voltage supplied to the USB interface into a voltage that the remote control signal processing unit 220 can operate, and outputs the DC power after voltage conversion to the remote control signal processing unit 220.

  When the input of the DC power from the DC-DC conversion unit 230 is started, the remote control signal processing unit 220 is ready to receive (input and analyze) the remote control signal.

  When receiving a remote control signal from remote control signal light receiving unit 210, remote control signal processing unit 220 starts analyzing the remote control signal.

  The remote control signal processing unit 220 analyzes the remote control signal and acquires control information included in the remote control signal. When the control information included in the remote control signal is power ON / OFF control information, the power switch unit 240 is controlled according to the power ON / OFF control information. Specifically, when the power ON / OFF control information is an instruction to turn on the power, the remote control signal processing unit 220 outputs a control signal 241 for turning on the switch to the power switch unit 240, and AC− Input of AC power to the DC conversion unit 120 is started. When the power ON / OFF control information is a power OFF instruction, the remote control signal processing unit 220 outputs a control signal 241 for turning off the switch to the power switch unit 240, and the AC-DC conversion unit. The input of AC power to 120 is stopped.

  The remote control signal processing unit 220 analyzes the remote control signal and then transmits control information included in the remote control signal to the device main body 110.

  As described above, in the present embodiment, since power is supplied from the television receiver 300 to the remote control signal receiving device 200 of the electronic device 100, power is supplied to the remote control signal receiving device 200 from the television. It can be linked with the power ON / OFF of the John receiver 300. Therefore, when the television receiver 300 is turned off, power consumption of the remote control signal receiving device 200 can be prevented.

  In addition, when the television receiver 300 stops power supply to the USB interface of the electronic device 100 when the television receiver 300 enters a standby state, power supply to the remote control signal receiving device 200 is also stopped. Therefore, even when the television receiver 300 is in a standby state, power consumption of the remote control signal receiving device 200 can be prevented.

  The remote control signal light receiving unit 210, the DC-DC conversion unit 230, and the power switch unit 240 may be installed outside the remote control signal receiving apparatus 200. According to such a configuration, when electronic device 100 includes a remote control signal light receiving unit, a DC-DC conversion unit, and a power switch unit, the configuration of remote control signal receiving device 200 is simplified by using them. Can be made.

  When power can be supplied from the television receiver 300 to the electronic device 100 via the multimedia interface line 502, the television receiver is connected via the multimedia interface line 502 as shown in FIG. Power may be supplied from 300 to remote control signal receiving apparatus 200.

Embodiment 2. FIG.
Hereinafter, a second embodiment of the present invention will be described with reference to the drawings.

  FIG. 4 is a block diagram showing a second embodiment of an electronic apparatus including a remote control signal receiving device according to the present invention. 5 and 6 are explanatory diagrams illustrating an example of connection between the electronic device and the television receiver according to the second embodiment.

  5 shows an example of connection when power is supplied from the television receiver 300 to the remote control signal receiving device 201 via the USB interface line 501, and FIG. 6 shows a television connection via the multimedia interface line 502. An example of connection when power is supplied from the John receiver 300 to the remote control signal receiver 201 is shown.

  As shown in FIG. 4, the remote control signal receiving device 201 of the electronic device 100 includes a timer 250 and an auxiliary power supply 260.

  The timer 250 measures time and outputs a control signal 241 for turning on the switch when the switch of the power switch unit 240 is OFF when the specified time has elapsed. For example, when the electronic device 100 is an HDD recorder, the device main body 110 designates the timer 250 as a time until processing such as absence recording (answer recording) and periodic program guide acquisition is started. The timer 250 starts timing and outputs a control signal 241 to the power switch unit 240 when a specified time has elapsed.

  The auxiliary power supply 260 is a secondary battery. The auxiliary power supply 260 is charged by receiving DC power from the AC-DC converter 120 when the switch of the power switch unit 240 is ON. Further, when the switch of the power switch unit 240 is OFF, DC power is supplied to the timer 250 based on the charged power. The auxiliary power supply 260 may be an electric double layer capacitor such as a super capacitor.

  According to the present embodiment, even when the television receiver 300 is in a power-off state or a standby state and no power is supplied to the remote control signal receiver 201, the timer 250 performs the specified time. The switch of the power switch unit 240 can be turned on. Therefore, the function of the electronic device 100 such as an answering machine can be surely executed at a designated time.

  In addition, since the timer 250 is supplied with DC power from the auxiliary power supply 260 when the power switch unit 240 is turned off, the standby power of the remote control signal receiver 201 is not increased.

  The timer 250 and the auxiliary power supply 260 may be installed outside the remote control signal receiving apparatus 201. According to such a configuration, when the electronic device 100 includes a timer and an auxiliary power source, the configuration of the remote control signal receiving device 201 can be simplified by using them.

  FIG. 7 is a block diagram showing a main part of the remote control signal receiving apparatus according to the present invention. As shown in FIG. 7, the remote control signal receiving device (corresponding to the remote control signal receiving device 200 in the electronic device 100 shown in FIG. 1) is a television receiver (corresponding to the television receiver 300 shown in FIG. 1). A remote control signal receiving device included in an electronic device (corresponding to the electronic device 100 shown in FIG. 1) connected by wiring capable of transmitting electric power, and a signal processing unit 11 (FIG. 1) for analyzing the received remote control signal. And a means for supplying power to the signal processing means 11 and stopping the power supply to the wiring in the power-off state or standby state. The power supply means 12 that receives power from the machine via wiring (the DC-DC converter 230 in the remote control signal receiver 200 shown in FIG. .) And a.

  In the above embodiment, the following remote control signal receiver is also disclosed.

(1) Main power control means (corresponding to the power switch unit 240 in the remote control signal receiver 200 shown in FIG. 1) capable of switching the power supply state from the commercial power supply to the electronic device is provided, and the signal processing means is a remote control signal. A remote control signal receiving device for setting the power supply state of the main power supply control means to the cut-off state when the power supply includes control information for instructing power-off.

(2) A timer for setting the power supply state of the main power supply control means to the passing state when the power supply state of the main power supply control means is in a cut-off state when a preset time has elapsed (FIG. A remote control signal receiving device provided with a remote control signal receiving device 201 shown in FIG.

(3) An auxiliary power supply (corresponding to the auxiliary power supply 260 in the remote control signal receiving device 201 shown in FIG. 4) for supplying power to the timer when the power supply state of the main power supply control means is in a cut-off state. Remote control signal receiver.

(4) A remote control signal receiver in which the auxiliary power source is a secondary battery or an electric double layer capacitor.

(5) A remote control signal receiver in which the electronic device is a video cassette recorder, HDD recorder, DVD player, or set-top box.

DESCRIPTION OF SYMBOLS 11 Signal processing means 12 Electric power supply means 100 Electronic device 110 Apparatus main body part 120 AC-DC conversion part 200, 201 Remote control signal receiver 210 Remote control signal light-receiving part 220 Remote control signal processing part 230 DC-DC conversion part 240 Power switch part 241 Control Signal 250 Timer 260 Auxiliary power supply 300 Television receiver 400 Commercial power outlet 501 USB interface line 502 Multimedia interface line

Claims (4)

A remote control signal receiving device included in an electronic device connected to a television receiver through a wiring capable of transmitting power,
Signal processing means for analyzing the received remote control signal;
Means for supplying power to the signal processing means, wherein the power supply means receives power through the wiring from the television receiver that stops power supply to the wiring in a power-off state or a standby state ;
Main power control means capable of switching a power supply state from a commercial power supply to the electronic device;
With a timer ,
The signal processing means sets the power supply state of the main power supply control means to a cut-off state when the remote control signal includes control information instructing power off, and the remote control signal instructs power on If the control information is included, set the power supply state of the main power control means to the passing state,
The timer sets the power supply state of the main power supply control means to the passing state when the power supply state of the main power supply control means is in a cut-off state when a preset time has elapsed. A remote control signal receiving device. The remote control signal receiver according to claim 1 , further comprising an auxiliary power source that supplies power to the timer when the power supply state of the main power supply control unit is in a cut-off state. The remote control signal receiver according to claim 2 , wherein the auxiliary power source is a secondary battery or an electric double layer capacitor. The remote control signal receiving device according to any one of claims 1 to 3 , wherein the electronic device is a video cassette recorder, a hard disk drive recorder, a DVD player, or a set top box.

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