WO2014064915A1 - Av device - Google Patents

Av device Download PDF

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Publication number
WO2014064915A1
WO2014064915A1 PCT/JP2013/006203 JP2013006203W WO2014064915A1 WO 2014064915 A1 WO2014064915 A1 WO 2014064915A1 JP 2013006203 W JP2013006203 W JP 2013006203W WO 2014064915 A1 WO2014064915 A1 WO 2014064915A1
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Prior art keywords
power
control signal
liquid crystal
wireless communication
supply
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PCT/JP2013/006203
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French (fr)
Japanese (ja)
Inventor
酒井　保
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シャープ株式会社
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Publication of WO2014064915A1 publication Critical patent/WO2014064915A1/en

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    • 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
    • H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector
    • 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
    • H04N21/4131—Peripherals receiving signals from specially adapted client devices home appliance, e.g. lighting, air conditioning system, metering devices

Definitions

  • the present invention relates to an AV device such as a set top box or a liquid crystal display device in which a video / audio signal is transmitted / received by wireless communication.
  • control signals are transmitted by wireless communication so that the power on / off is linked between the set top box and the display device.
  • the standby power tends to increase because the wireless communication needs to be in an operating state even when the power is turned off. Therefore, a first wireless transmission path for transmitting and receiving video signals and a second wireless transmission path for transmitting and receiving control signals for the user interface are provided, and only the second wireless transmission path can communicate in the standby state.
  • a technique for reducing standby power has been proposed (see, for example, Patent Document 1).
  • the present invention has been made in view of this point, and an object of the present invention is to make it possible to greatly reduce standby power while achieving convenience by linking the power ON / OFF of an AV device.
  • the first invention is An AV device capable of transmitting and receiving video and audio signals by wireless communication with other AV devices, A wireless communication unit for wirelessly communicating video and audio signals; A power supply for supplying power to at least the wireless communication unit; A power switch for operating or stopping the power supply; A power control signal wiring for inputting a power control signal for turning on / off the power switch from the outside and a power control signal for turning on / off a power switch of another AV device in conjunction with the power switch are output to the outside. At least one of the power control signal wires, It is provided with.
  • the AV device is controlled in a standby state or an operating state in conjunction with other AV devices, thereby improving convenience, and in the standby state, the wireless communication unit with relatively high power consumption is stopped and the standby is performed. Power consumption in the state can be reduced.
  • the second invention is The AV device of the first invention,
  • the power control signal is a signal input to a control terminal of the power switch.
  • the power switch since the power switch is directly controlled by the power control signal, the power switch can be controlled without consuming any power particularly in the standby state.
  • the third invention is The AV device of the first invention, Furthermore, a wired communication device is provided to supply power even when the power switch is off,
  • the power control signal is a signal transmitted / received between the communication device and a communication device of another AV device.
  • the wireless communication unit is stopped and the AV communication device is controlled to be in a standby state or an operating state by a wired communication device with relatively low power consumption. Power consumption can be reduced.
  • the fourth invention is: Any one AV apparatus from the first invention to the third invention,
  • the power control signal wiring is provided to be connectable to a signal transmission wiring provided in a power outlet or a power strip.
  • each AV device it is easy to link each AV device by connecting the power control signal wiring to the signal transmission wiring provided on the power plug or power strip when the power plug of each AV device is inserted into the power outlet or power strip. Can be.
  • the fifth invention is: An AV device according to a third invention,
  • the communication device is configured to perform power line communication.
  • the power control signal wiring may be configured to be connected to a cable having two or less conducting wires.
  • the standby power can be greatly reduced while the convenience of the AV device is achieved.
  • FIG. 1 is a block diagram illustrating a configuration of an AV system according to a first embodiment.
  • 6 is a block diagram illustrating a configuration of an AV system according to Embodiment 2.
  • FIG. It is a block diagram which shows the structure of the AV system of Embodiment 3.
  • FIG. 10 is a block diagram illustrating a configuration of an AV system according to a fourth embodiment. It is a table
  • the set-top box 101 includes a tuner / input / output circuit 111, a video / audio controller 112, a wireless communication unit 113, a main power supply 114, a sub power supply 115, and a power switch 116. Yes.
  • the liquid crystal display device 201 includes a liquid crystal display unit 211 including a liquid crystal panel 211a, a liquid crystal timing controller 211b, a backlight unit 211c, and a backlight controller 211d, a wireless communication unit 213, a main power source 214, and a sub power source 215. , A power switch 216, an LED display unit 217, and a remote control receiving unit 218.
  • the tuner / input / output circuit 111 of the set-top box 101 is a video / audio signal input via television broadcasting, HDMI (High-Definition Multimedia Interface, registered trademark), LAN (Local Area Network), analog signal interface, or the like. Is supposed to receive.
  • the audio / video controller 112 performs processing such as encoding and decoding of audio / video signals, for example.
  • the wireless communication unit 113 wirelessly communicates video and audio signals, control signals, and the like with the wireless communication unit 213 of the liquid crystal display device 201.
  • the communication method is not particularly limited, and various methods such as WiFi (wireless (fidelity, registered trademark), WHDI (Wireless Digital Interface) (both 5 GHz band), wirelessHD (60 GHz band), and the like can be used.
  • the main power supply 114 has a power capacity required when the set-top box 101 is used for normal television broadcast viewing, etc., and enters the operating state when the power switch 116 is turned on. In addition, power is supplied to the video / audio controller 112, the wireless communication unit 113, and the like.
  • the sub power source 115 has a power capacity required when the set-top box 101 is in a standby state (standby state), and regardless of the operation of the power switch 116, that is, when the power switch 116 is in a standby state.
  • electric power is supplied to a portion of the tuner / input / output circuit 111 according to necessity through a path indicated by a broken line in FIG.
  • the tuner portion is normally kept in an operating state in order to acquire program information, update information, and the like.
  • the power switch 116 (for example, a relay) is output from the remote control receiver 218 of the liquid crystal display device 201 and sent via the power control signal wiring, and is controlled to be turned on and off according to the power control signal input to the control terminal.
  • the power supply 114 is set to an operating state or a stopped state. Since the power control signal only needs to turn the power switch 116 on and off, a logic signal such as TTL can be used.
  • a wiring cable between the set top box 101 and the liquid crystal display device 201 a thin cable that is relatively easy to route with one line can be used when two lines or both have a common ground.
  • An amplifier may be provided in the power supply control signal transmission path.
  • the liquid crystal panel 211a of the liquid crystal display device 201 displays an image signal output from the liquid crystal timing controller 211b and an image corresponding to the timing signal.
  • the liquid crystal timing controller 211b outputs the image signal and the timing signal based on the video / audio signal received from the set top box 101 via the wireless communication unit 213.
  • the backlight unit 211c emits backlight light from the back surface of the liquid crystal panel 211a.
  • the backlight controller 211d controls the amount of light emitted from the backlight unit 211c.
  • the wireless communication unit 213 wirelessly communicates video / audio signals, control signals, and the like with the wireless communication unit 113 of the set top box 101.
  • the main power source 214 has a power capacity required when the liquid crystal display device 201 is used for normal television broadcast viewing, etc., and enters the operating state when the power switch 216 is turned on. Power is supplied to the light controller 211d, the wireless communication unit 213, and the like. Although not shown in FIG. 1, for example, when an audio output circuit, a speaker, and the like are provided, electric power is also supplied to these portions from the main power source 214.
  • the sub power source 215 has a power capacity required when the liquid crystal display device 201 is in a standby state.
  • the sub power source 215 does not depend on the operation of the power switch 216, that is, when the power switch 216 is in a standby state where the power switch 216 is turned off. Electric power is supplied to the LED display unit 217 and the remote control receiving unit 218 via a path indicated by a broken line.
  • the power switch 216 is turned on / off according to a power control signal output from the remote control receiver 218, and the main power supply 214 is activated or stopped. It is supposed to be.
  • the LED display unit 217 displays that the liquid crystal display device 201 is in a standby state.
  • the remote control receiving unit 218 receives a power on / off operation signal from a remote controller (not shown), for example, by infrared communication.
  • the power switches 116 and 216 are turned off, the main power sources 114 and 214 are stopped, and power consumption by the wireless communication units 113 and 213 is also reduced. It is suppressed.
  • the tuner / input / output circuit 111 of the set-top box 101, the LED display unit 217 and the remote control reception unit 218 of the liquid crystal display 201 are supplied with relatively small power from the sub power sources 115 and 215 as necessary. And kept in operation. That is, since the wireless communication units 113 and 213 having relatively large power consumption are stopped, the power capacity of the sub power sources 115 and 215 can be set to be relatively small, and power consumption can be reduced in the standby state. .
  • the remote control receiving unit 218 of the liquid crystal display device 201 receives a power-on operation signal from the remote controller, the remote control receiving unit 218 outputs a power control signal, the power switch 216 is turned on, and the power control is performed.
  • the signal is sent to the set top box 101 via the power control signal wiring, and the power switch 116 is also turned on.
  • the main power supplies 114 and 214 are connected to the power outlet in both the set-top box 101 and the liquid crystal display device 201, and the power is supplied to the respective units and the power supply is turned on.
  • the wireless communication units 113 and 213 can also communicate with each other such as a video / audio signal, and normal content can be viewed on the liquid crystal display device 201.
  • a power control signal is output from the remote control receiver 218 provided in the liquid crystal display device 201 and the power switch 116 of the set top box 101 is turned on and off.
  • a power supply control signal may be output from a remote control receiver provided on the set top box 101 so that the power switch 216 of the liquid crystal display device 201 is turned on / off.
  • both the power switches 116 and 216 of the set top box 101 and the liquid crystal display device 201 may be turned on / off by a power control signal output from a remote control receiving unit or the like provided in another device.
  • the power switches may be mutually controlled between the set top box 101 and the liquid crystal display device 201 or between other devices.
  • the example in which the power switch 116 of the set-top box 101 is turned on by the power control signal output when the remote control receiving unit 218 receives the power-on operation signal from the remote controller is shown.
  • the power switch 116 may be similarly turned on by operating a hard switch provided in the liquid crystal display device 201.
  • the power switches 116 and 216 may be controlled in accordance with an external device control signal (CEC signal or the like) such as HDMI inputted from another device to the tuner / input / output circuit 111 or the like.
  • an external device control signal such as HDMI inputted from another device to the tuner / input / output circuit 111 or the like.
  • a switch (relay, etc.) is provided between the power switch 116/216 and the power outlet, and when the power is off, the power switch 116/216 is completely disconnected from the power outlet and the main power supply 114/214 is surely stopped. You may make it be in a state. Similarly, when the power is turned off, the sub power sources 115 and 215 may be stopped and the power consumption may be completely zero.
  • the AV device is the set-top box 101 and the liquid crystal display device 201 has been described.
  • the present invention is not limited thereto, and various recording / playback devices, other display devices, and televisions are used.
  • the above power supply control may be applied to a system in which two or more of the above are combined.
  • Embodiment 2 In the first embodiment, an example is shown in which signals input to the control terminals of the power switches 116 and 216 are wiredly communicated as power control signals between the set top box 101 and the liquid crystal display device 201.
  • the set-top box 101 and the liquid crystal display device 201 are provided with communication devices 121 and 221 that perform various protocol processing, and signals output from these devices are wiredly communicated as power supply control signals. It may be.
  • the communication devices 121 and 221 are connected by a LAN cable, a USB (Universal Serial Bus) cable, etc., and the communication devices 121 and 221 are paired to authenticate each other as a pair. The power on / off may be controlled.
  • the communication devices 121 and 221 as described above are supplied with power from the sub power source 215 even in the standby state, but the power is considerably smaller than that of the wireless communication units 113 and 213, so the standby power is also kept small. Can be easily done.
  • the power switch 216 of the liquid crystal display device 201 can be directly controlled by a signal output from the remote control receiver 218 instead of being controlled by a signal output from the communication device 221. Also good.
  • the communication devices 121 and 221 may be directly connected by a LAN cable or the like.
  • the communication devices 121 and 221 may be connected via a power tap 301 or a power outlet as shown in FIG. May be.
  • the power tap 301 includes an outlet portion 301a as in a normal power tap, and a dedicated power control signal wiring connector 301b connected to each other by signal transmission wiring.
  • the set-top box 101 and the liquid crystal display device 201 are connected by connecting the communication devices 121 and 221 to the power control signal wiring connector 301b in conjunction with inserting the power plug of each device into the outlet portion 301a or the like. Can be easily linked.
  • the signal input to the control terminals of the power switches 116 and 216 may be transmitted via the power control signal wiring connector 301b of the power tap 301 as described above. Good.
  • Embodiment 4 a PLC (power line communication) using a power line as a communication means may be used.
  • the power control similar to the above can be performed simply by inserting the power plugs of the set top box 101 and the liquid crystal display device 201 into a power outlet or the like, the degree of freedom of installation becomes higher and the appearance is also cleaner It is also easy to improve aesthetics.
  • power is always supplied from the sub power supply 115/215 to the communication devices 121/221.
  • FIG. 5 shows power consumption of a general wireless LAN and PLC.
  • the power consumption of the communication devices 121 and 221 as described above is considerably small.
  • the required communication is simple communication capable of turning on / off the power and the communication speed is low. Further, it is possible to easily realize a power consumption of 1 W or less by applying a save mode and further performing optimization.
  • the present invention is useful for AV equipment such as a set-top box and a liquid crystal display device, and an AV system including these, in which video and audio signals are transmitted and received by wireless communication.

Abstract

In order to reduce standby power while linking the power supplies of AV devices, the AV devices are provided with: wireless communication units (113, 213) for wirelessly communicating video and audio signals; main power supplies (114, 214) for supplying power thereto; power supply switches (116, 216) for switching these power supplies between operating and stopped states; and a power-supply-control signal wire to which a power-supply-control signal for turning the power supply switches (116, 216) on and off is inputted from the exterior, or a power-supply-control signal wire which is linked to the power supply switches (116, 216), and to which a power-supply-control signal for turning the power supply switch (116, 216) of the other AV device on and off is inputted from the exterior.

Description

ＡＶ機器AV equipment
　本発明は、映像音声信号が無線通信により送受される、例えばセットトップボックスや液晶表示装置などのＡＶ機器に関するものである。 The present invention relates to an AV device such as a set top box or a liquid crystal display device in which a video / audio signal is transmitted / received by wireless communication.
　近年、壁掛けテレビ等の薄型軽量な表示装置が広く用いられつつある。特にこのような表示装置では、セットトップボックス等の機器との間で映像音声信号などを無線通信するようにして、アンテナ線や映像音声信号線などの配線を不要にするものも実用化されている。これによって、美観を向上させたり設置場所の自由度を高めたりすることが図られる。 In recent years, thin and light display devices such as wall-mounted televisions have been widely used. In particular, in such display devices, devices that wirelessly communicate video / audio signals and the like with devices such as set-top boxes and eliminate the need for wiring such as antenna lines and video / audio signal lines have been put into practical use. Yes. As a result, it is possible to improve the aesthetics and increase the degree of freedom of the installation location.
　また、制御信号も無線通信によって伝送することによって、セットトップボックス等と表示装置との間で電源のＯＮ／ＯＦＦを連動させるようにしたものもある。この場合、電源ＯＦＦ時にも無線通信を動作状態にする必要があるために、待機電力が大きくなりがちである。そこで、ビデオ信号を送受信する第１の無線伝送路と、ユーザインターフェースのためのコントロール信号を送受信する第２の無線伝送路とを設け、待機状態では、上記第２の無線伝送路のみを通信可能とすることにより、待機電力の低減を図る技術が提案されている（例えば、特許文献１参照）。 Also, some control signals are transmitted by wireless communication so that the power on / off is linked between the set top box and the display device. In this case, the standby power tends to increase because the wireless communication needs to be in an operating state even when the power is turned off. Therefore, a first wireless transmission path for transmitting and receiving video signals and a second wireless transmission path for transmitting and receiving control signals for the user interface are provided, and only the second wireless transmission path can communicate in the standby state. Thus, a technique for reducing standby power has been proposed (see, for example, Patent Document 1).
特開２０１０－１０３５９１号公報JP 2010-103591 A
　しかしながら、上記のように無線伝送路を２系統設けた場合、回路規模、および製造コストが増大する要因となる上、何れかの無線伝送路は通信可能な状態に保つ必要があるため、待機電力を大幅に低減することは、やはり困難であるという問題点を有していた。 However, when two wireless transmission paths are provided as described above, the circuit scale and manufacturing cost increase, and any one of the wireless transmission paths needs to be kept in a communicable state. However, it is still difficult to significantly reduce the value.
　本発明は、かかる点に鑑みてなされたものであり、その目的は、ＡＶ機器の電源ＯＮ／ＯＦＦを連動させて利便性を図りつつ、待機電力を大幅に低減できるようにすることにある。 The present invention has been made in view of this point, and an object of the present invention is to make it possible to greatly reduce standby power while achieving convenience by linking the power ON / OFF of an AV device.
　第１の発明は、
　他のＡＶ機器との間で無線通信により映像音声信号を送受信可能なＡＶ機器であって、
　映像音声信号を無線通信する無線通信部と、
　少なくとも上記無線通信部に電力を供給する電源と、
　上記電源を動作状態または停止状態にする電源スイッチと、
　上記電源スイッチをオン、オフする電源制御信号が外部から入力される電源制御信号配線、および上記電源スイッチと連動して他のＡＶ機器の電源スイッチをオン、オフする電源制御信号を外部に出力する電源制御信号配線のうち少なくとも一方と、
　を備えたことを特徴とする。 The first invention is
An AV device capable of transmitting and receiving video and audio signals by wireless communication with other AV devices,
A wireless communication unit for wirelessly communicating video and audio signals;
A power supply for supplying power to at least the wireless communication unit;
A power switch for operating or stopping the power supply;
A power control signal wiring for inputting a power control signal for turning on / off the power switch from the outside and a power control signal for turning on / off a power switch of another AV device in conjunction with the power switch are output to the outside. At least one of the power control signal wires,
It is provided with.
　これにより、ＡＶ機器を他のＡＶ機器と連動させて待機状態または動作状態に制御することにより利便性を高めつつ、待機状態の時には、消費電力が比較的大きい無線通信部を停止状態にして待機状態での消費電力を低減することができる。 As a result, the AV device is controlled in a standby state or an operating state in conjunction with other AV devices, thereby improving convenience, and in the standby state, the wireless communication unit with relatively high power consumption is stopped and the standby is performed. Power consumption in the state can be reduced.
　第２の発明は、
　第１の発明のＡＶ機器であって、
　上記電源制御信号は、上記電源スイッチの制御端子に入力される信号であることを特徴とする。 The second invention is
The AV device of the first invention,
The power control signal is a signal input to a control terminal of the power switch.
　これにより、電源制御信号によって直接電源スイッチが制御されるので、待機状態の時に特に電力を消費することなく、電源スイッチを制御することができる。 Thereby, since the power switch is directly controlled by the power control signal, the power switch can be controlled without consuming any power particularly in the standby state.
　第３の発明は、
　第１の発明のＡＶ機器であって、
　さらに、上記電源スイッチがオフの場合にも電力が供給される有線の通信機を備え、
　上記電源制御信号は、上記通信機と、他のＡＶ機器の通信機との間で送受される信号であることを特徴とする。 The third invention is
The AV device of the first invention,
Furthermore, a wired communication device is provided to supply power even when the power switch is off,
The power control signal is a signal transmitted / received between the communication device and a communication device of another AV device.
　これにより、待機状態の時には、無線通信部は停止させて、比較的消費電力が小さい有線の通信機によって、ＡＶ機器を待機状態または動作状態にする制御が行われるので、やはり、待機状態での消費電力を低減することができる。 Thereby, in the standby state, the wireless communication unit is stopped and the AV communication device is controlled to be in a standby state or an operating state by a wired communication device with relatively low power consumption. Power consumption can be reduced.
　第４の発明は、
　第１の発明から第３の発明のうち何れか１つのＡＶ機器であって、
　上記電源制御信号配線は、電源コンセントまたは電源タップに設けられた信号伝送配線に接続可能に設けられていることを特徴とする。 The fourth invention is:
Any one AV apparatus from the first invention to the third invention,
The power control signal wiring is provided to be connectable to a signal transmission wiring provided in a power outlet or a power strip.
　これにより、各ＡＶ機器の電源プラグを電源コンセントまたは電源タップに差し込むのに併せて、これらに設けられた信号伝送配線に電源制御信号配線を接続することにより、各ＡＶ機器を連動させることが容易にできる。 As a result, it is easy to link each AV device by connecting the power control signal wiring to the signal transmission wiring provided on the power plug or power strip when the power plug of each AV device is inserted into the power outlet or power strip. Can be.
　第５の発明は、
　第３の発明のＡＶ機器であって、
　上記通信機は電力線通信を行うように構成されたことを特徴とする。 The fifth invention is:
An AV device according to a third invention,
The communication device is configured to perform power line communication.
　これにより、電源プラグを電源コンセント等に差し込むだけで、各ＡＶ機器を連動させることが容易にできる。 This makes it easy to link each AV device simply by inserting the power plug into a power outlet or the like.
　ここで、上記のようなＡＶ機器において、上記電源制御信号配線が、導線が２本以下のケーブルに接続されるように構成されるようにしてもよい。 Here, in the AV device as described above, the power control signal wiring may be configured to be connected to a cable having two or less conducting wires.
　本発明では、ＡＶ機器の利便性を図りつつ、待機電力を大幅に低減できる。 In the present invention, the standby power can be greatly reduced while the convenience of the AV device is achieved.
実施形態１のＡＶシステムの構成を示すブロック図である。1 is a block diagram illustrating a configuration of an AV system according to a first embodiment. 実施形態２のＡＶシステムの構成を示すブロック図である。6 is a block diagram illustrating a configuration of an AV system according to Embodiment 2. FIG. 実施形態３のＡＶシステムの構成を示すブロック図である。It is a block diagram which shows the structure of the AV system of Embodiment 3. 実施形態４のＡＶシステムの構成を示すブロック図である。FIG. 10 is a block diagram illustrating a configuration of an AV system according to a fourth embodiment. ＰＬＣと無線ＬＡＮの消費電力の対比を示す表である。It is a table | surface which shows contrast of the power consumption of PLC and wireless LAN.
　以下、本発明の実施形態として、それぞれＡＶ機器であるセットトップボックス１０１と、液晶表示装置２０１（ＴＶ）とを含むＡＶシステムの例を図面に基づいて詳細に説明する。なお、以下の各実施形態や変形例において、他の実施形態等と同様の機能を有する構成要素については同一の符号を付して説明を省略する。 Hereinafter, as an embodiment of the present invention, an example of an AV system including a set-top box 101 and a liquid crystal display device 201 (TV), which are AV devices, will be described in detail based on the drawings. In the following embodiments and modifications, components having functions similar to those of the other embodiments are denoted by the same reference numerals, and description thereof is omitted.
　《実施形態１》
　セットトップボックス１０１は、図１に示すように、チューナ・入出力回路１１１と、映像音声コントローラ１１２と、無線通信部１１３と、メイン電源１１４と、サブ電源１１５と、電源スイッチ１１６とを備えている。 Embodiment 1
As shown in FIG. 1, the set-top box 101 includes a tuner / input / output circuit 111, a video / audio controller 112, a wireless communication unit 113, a main power supply 114, a sub power supply 115, and a power switch 116. Yes.
　また、液晶表示装置２０１は、液晶パネル２１１ａ、液晶タイミングコントローラ２１１ｂ、バックライトユニット２１１ｃ、およびバックライトコントローラ２１１ｄを含む液晶表示部２１１と、無線通信部２１３と、メイン電源２１４と、サブ電源２１５と、電源スイッチ２１６と、ＬＥＤ表示部２１７と、リモコン受信部２１８とを備えている。 In addition, the liquid crystal display device 201 includes a liquid crystal display unit 211 including a liquid crystal panel 211a, a liquid crystal timing controller 211b, a backlight unit 211c, and a backlight controller 211d, a wireless communication unit 213, a main power source 214, and a sub power source 215. , A power switch 216, an LED display unit 217, and a remote control receiving unit 218.
　（セットトップボックス１０１の各部の構成）
　上記セットトップボックス１０１のチューナ・入出力回路１１１は、テレビ放送や、ＨＤＭＩ（High-Definition Multimedia Interface、登録商標）、ＬＡＮ（Local Area Network）、アナログ信号インターフェースなどを介して入力される映像音声信号を受信するようになっている。 (Configuration of each part of the set top box 101)
The tuner / input / output circuit 111 of the set-top box 101 is a video / audio signal input via television broadcasting, HDMI (High-Definition Multimedia Interface, registered trademark), LAN (Local Area Network), analog signal interface, or the like. Is supposed to receive.
　映像音声コントローラ１１２は、例えば映像音声信号のエンコードやデコードなどの処理を行うようになっている。 The audio / video controller 112 performs processing such as encoding and decoding of audio / video signals, for example.
　無線通信部１１３は、液晶表示装置２０１の無線通信部２１３との間で映像音声信号や制御信号等を無線通信するようになっている。通信方式は特に限定されず、例えば、ＷｉＦｉ（wireless fidelity、登録商標）、ＷＨＤＩ（Wireless Home Digital Interface）（共に５ＧＨｚ帯）、ｗｉｒｅｌｅｓｓＨＤ（６０ＧＨｚ帯）など種々の方式を用いることができる。 The wireless communication unit 113 wirelessly communicates video and audio signals, control signals, and the like with the wireless communication unit 213 of the liquid crystal display device 201. The communication method is not particularly limited, and various methods such as WiFi (wireless （fidelity, registered trademark), WHDI (Wireless Digital Interface) (both 5 GHz band), wirelessHD (60 GHz band), and the like can be used.
　メイン電源１１４は、セットトップボックス１０１が通常のテレビ放送視聴時などに必要とされる電源容量を有し、電源スイッチ１１６がオンになった時に動作状態になって、上記チューナ・入出力回路１１１、映像音声コントローラ１１２、および無線通信部１１３等に電力を供給するようになっている。 The main power supply 114 has a power capacity required when the set-top box 101 is used for normal television broadcast viewing, etc., and enters the operating state when the power switch 116 is turned on. In addition, power is supplied to the video / audio controller 112, the wireless communication unit 113, and the like.
　サブ電源１１５は、セットトップボックス１０１が待機状態（スタンバイ状態）の時に必要とされる電源容量を有し、電源スイッチ１１６の動作に関わらず、すなわち電源スイッチ１１６がオフになる待機状態の時にも、図１に破線で示す経路を介して、例えばチューナ・入出力回路１１１の必要に応じた部分に電力を供給するようになっている。具体的には、例えばチューナ部分は、通常、番組情報や、アップデート情報などを取得するために常時動作状態にされる。 The sub power source 115 has a power capacity required when the set-top box 101 is in a standby state (standby state), and regardless of the operation of the power switch 116, that is, when the power switch 116 is in a standby state. For example, electric power is supplied to a portion of the tuner / input / output circuit 111 according to necessity through a path indicated by a broken line in FIG. Specifically, for example, the tuner portion is normally kept in an operating state in order to acquire program information, update information, and the like.
　電源スイッチ１１６（例えばリレー）は、液晶表示装置２０１のリモコン受信部２１８から出力され電源制御信号配線を介して送られ、制御端子に入力される電源制御信号に応じてオン、オフ制御され、メイン電源１１４を動作状態にしたり停止状態にしたりするようになっている。上記電源制御信号は、電源スイッチ１１６をオン、オフするだけでよいので、例えばＴＴＬ等のロジック信号を用いることができる。また、セットトップボックス１０１と液晶表示装置２０１との間の配線ケーブルとしては、２線または両者のグラウンドが共通の場合には１線で引き回しが比較的容易な細いケーブルを用いることができる。なお、上記電源制御信号の伝達経路中に増幅器が設けられるなどしてもよい。 The power switch 116 (for example, a relay) is output from the remote control receiver 218 of the liquid crystal display device 201 and sent via the power control signal wiring, and is controlled to be turned on and off according to the power control signal input to the control terminal. The power supply 114 is set to an operating state or a stopped state. Since the power control signal only needs to turn the power switch 116 on and off, a logic signal such as TTL can be used. In addition, as a wiring cable between the set top box 101 and the liquid crystal display device 201, a thin cable that is relatively easy to route with one line can be used when two lines or both have a common ground. An amplifier may be provided in the power supply control signal transmission path.
　（液晶表示装置２０１の各部の構成）
　また、液晶表示装置２０１の液晶パネル２１１ａは、液晶タイミングコントローラ２１１ｂから出力される画像信号やタイミング信号に応じた画像を表示するようになっている。 (Configuration of each part of the liquid crystal display device 201)
The liquid crystal panel 211a of the liquid crystal display device 201 displays an image signal output from the liquid crystal timing controller 211b and an image corresponding to the timing signal.
　液晶タイミングコントローラ２１１ｂは、セットトップボックス１０１から無線通信部２１３を介して受信した映像音声信号に基づいて、上記画像信号やタイミング信号を出力するようになっている。 The liquid crystal timing controller 211b outputs the image signal and the timing signal based on the video / audio signal received from the set top box 101 via the wireless communication unit 213.
　バックライトユニット２１１ｃは、液晶パネル２１１ａの背面からバックライト光を照射するようになっている。 The backlight unit 211c emits backlight light from the back surface of the liquid crystal panel 211a.
　バックライトコントローラ２１１ｄは、上記バックライトユニット２１１ｃの発光光量の制御などを行うようになっている。 The backlight controller 211d controls the amount of light emitted from the backlight unit 211c.
　無線通信部２１３は、上記セットトップボックス１０１の無線通信部１１３との間で映像音声信号や制御信号等を無線通信するようになっている。 The wireless communication unit 213 wirelessly communicates video / audio signals, control signals, and the like with the wireless communication unit 113 of the set top box 101.
　メイン電源２１４は、液晶表示装置２０１が通常のテレビ放送視聴時などに必要とされる電源容量を有し、電源スイッチ２１６がオンになった時に動作状態になって、上記液晶タイミングコントローラ２１１ｂ、バックライトコントローラ２１１ｄ、および無線通信部２１３等に電力を供給するようになっている。なお、図１には示していないが、例えば音声出力用の回路およびスピーカなどが設けられている場合には、それらの部分にも、このメイン電源２１４から電力が供給される。 The main power source 214 has a power capacity required when the liquid crystal display device 201 is used for normal television broadcast viewing, etc., and enters the operating state when the power switch 216 is turned on. Power is supplied to the light controller 211d, the wireless communication unit 213, and the like. Although not shown in FIG. 1, for example, when an audio output circuit, a speaker, and the like are provided, electric power is also supplied to these portions from the main power source 214.
　サブ電源２１５は、液晶表示装置２０１が待機状態の時に必要とされる電源容量を有し、電源スイッチ２１６の動作に関わらず、すなわち電源スイッチ２１６がオフになる待機状態の時にも、図１に破線で示す経路を介して、ＬＥＤ表示部２１７、およびリモコン受信部２１８に電力を供給するようになっている。 The sub power source 215 has a power capacity required when the liquid crystal display device 201 is in a standby state. The sub power source 215 does not depend on the operation of the power switch 216, that is, when the power switch 216 is in a standby state where the power switch 216 is turned off. Electric power is supplied to the LED display unit 217 and the remote control receiving unit 218 via a path indicated by a broken line.
　電源スイッチ２１６は、上記セットトップボックス１０１の電源スイッチ１１６と同様に、リモコン受信部２１８から出力される電源制御信号に応じてオン、オフ制御され、メイン電源２１４を動作状態にしたり停止状態にしたりするようになっている。 Similarly to the power switch 116 of the set top box 101, the power switch 216 is turned on / off according to a power control signal output from the remote control receiver 218, and the main power supply 214 is activated or stopped. It is supposed to be.
　ＬＥＤ表示部２１７は、液晶表示装置２０１が待機状態であることなどを表示するものである。 The LED display unit 217 displays that the liquid crystal display device 201 is in a standby state.
　リモコン受信部２１８は、例えば赤外線通信などにより、図示しないリモートコントローラからの電源オン／オフ操作信号などを受信するものである。 The remote control receiving unit 218 receives a power on / off operation signal from a remote controller (not shown), for example, by infrared communication.
　（ＡＶシステムの動作）
　上記のように構成されたＡＶシステムの動作を説明する。 (Operation of AV system)
The operation of the AV system configured as described above will be described.
　まず、セットトップボックス１０１、および液晶表示装置２０１が待機状態の時には、電源スイッチ１１６・２１６がオフになり、メイン電源１１４・２１４は停止状態になって、無線通信部１１３・２１３による電力消費も抑制される。一方、必要に応じて、例えばセットトップボックス１０１のチューナ・入出力回路１１１や、液晶表示装置２０１のＬＥＤ表示部２１７およびリモコン受信部２１８などは、サブ電源１１５・２１５から比較的小さい電力が供給され、動作状態に保たれる。すなわち、消費電力が比較的大きい無線通信部１１３・２１３は停止状態にされるので、サブ電源１１５・２１５の電源容量は比較的小さく設定することができ、待機状態での消費電力低減が図られる。 First, when the set top box 101 and the liquid crystal display device 201 are in a standby state, the power switches 116 and 216 are turned off, the main power sources 114 and 214 are stopped, and power consumption by the wireless communication units 113 and 213 is also reduced. It is suppressed. On the other hand, for example, the tuner / input / output circuit 111 of the set-top box 101, the LED display unit 217 and the remote control reception unit 218 of the liquid crystal display 201 are supplied with relatively small power from the sub power sources 115 and 215 as necessary. And kept in operation. That is, since the wireless communication units 113 and 213 having relatively large power consumption are stopped, the power capacity of the sub power sources 115 and 215 can be set to be relatively small, and power consumption can be reduced in the standby state. .
　次に、液晶表示装置２０１のリモコン受信部２１８が、リモートコントローラからの電源オン操作信号を受信すると、リモコン受信部２１８は電源制御信号を出力し、電源スイッチ２１６がオンになるとともに、上記電源制御信号は電源制御信号配線を介してセットトップボックス１０１に送られ、電源スイッチ１１６もオンになる。これにより、セットトップボックス１０１、液晶表示装置２０１共にメイン電源１１４・２１４が電源コンセントに接続され、各部は電力が供給されて動作状態になる。そこで、無線通信部１１３・２１３も相互に映像音声信号等の通信が可能になり、液晶表示装置２０１による通常のコンテンツの視聴ができるようになる。 Next, when the remote control receiving unit 218 of the liquid crystal display device 201 receives a power-on operation signal from the remote controller, the remote control receiving unit 218 outputs a power control signal, the power switch 216 is turned on, and the power control is performed. The signal is sent to the set top box 101 via the power control signal wiring, and the power switch 116 is also turned on. As a result, the main power supplies 114 and 214 are connected to the power outlet in both the set-top box 101 and the liquid crystal display device 201, and the power is supplied to the respective units and the power supply is turned on. Accordingly, the wireless communication units 113 and 213 can also communicate with each other such as a video / audio signal, and normal content can be viewed on the liquid crystal display device 201.
　（その他の事項）
　なお、上記の例では、液晶表示装置２０１に設けられたリモコン受信部２１８から電源制御信号が出力されてセットトップボックス１０１の電源スイッチ１１６がオン、オフされる例を示したが、逆に、セットトップボックス１０１の方に設けられたリモコン受信部から電源制御信号が出力されて液晶表示装置２０１の電源スイッチ２１６がオン、オフされるようにしてもよい。また、他の装置に設けられたリモコン受信部等から出力される電源制御信号によって、セットトップボックス１０１および液晶表示装置２０１の電源スイッチ１１６・２１６が共にオン、オフされるようにしてもよい。また、セットトップボックス１０１、液晶表示装置２０１間や、さらに他の装置との間で、相互に電源スイッチが制御され得るようにしてもよい。 (Other matters)
In the above example, a power control signal is output from the remote control receiver 218 provided in the liquid crystal display device 201 and the power switch 116 of the set top box 101 is turned on and off. A power supply control signal may be output from a remote control receiver provided on the set top box 101 so that the power switch 216 of the liquid crystal display device 201 is turned on / off. Further, both the power switches 116 and 216 of the set top box 101 and the liquid crystal display device 201 may be turned on / off by a power control signal output from a remote control receiving unit or the like provided in another device. In addition, the power switches may be mutually controlled between the set top box 101 and the liquid crystal display device 201 or between other devices.
　また、上記の例では、リモコン受信部２１８がリモートコントローラからの電源オン操作信号を受信することによって出力される電源制御信号によりセットトップボックス１０１の電源スイッチ１１６がオンになる例を示したが、例えば、液晶表示装置２０１に設けられたハードスイッチが操作されることによって、同様に電源スイッチ１１６がオンにされるようにしてもよい。 Further, in the above example, the example in which the power switch 116 of the set-top box 101 is turned on by the power control signal output when the remote control receiving unit 218 receives the power-on operation signal from the remote controller is shown. For example, the power switch 116 may be similarly turned on by operating a hard switch provided in the liquid crystal display device 201.
　また、例えば、他の装置からチューナ・入出力回路１１１などに入力されるＨＤＭＩ等の外部機器制御信号（ＣＥＣ信号等）に応じて、電源スイッチ１１６・２１６が制御されるようにしてもよい。 Further, for example, the power switches 116 and 216 may be controlled in accordance with an external device control signal (CEC signal or the like) such as HDMI inputted from another device to the tuner / input / output circuit 111 or the like.
　また、電源スイッチ１１６・２１６と電源コンセントとの間にスイッチ（リレー等）を設けて、電源オフ時には電源スイッチ１１６・２１６が電源コンセントから完全に切り離されて、メイン電源１１４・２１４が確実に停止状態になるようにしてもよい。また、電源オフ時には同様にサブ電源１１５・２１５も停止状態になって、消費電力が完全に０になるようにしてもよい。 In addition, a switch (relay, etc.) is provided between the power switch 116/216 and the power outlet, and when the power is off, the power switch 116/216 is completely disconnected from the power outlet and the main power supply 114/214 is surely stopped. You may make it be in a state. Similarly, when the power is turned off, the sub power sources 115 and 215 may be stopped and the power consumption may be completely zero.
　また、上記の例では、ＡＶ機器がセットトップボックス１０１と、液晶表示装置２０１とである例について説明したが、これに限らず、これらと、種々の録画再生機器や、他の表示装置、テレビなどのうち２つ以上を組み合わせたシステムに上記のような電源の制御を適用してもよい。 In the above example, an example in which the AV device is the set-top box 101 and the liquid crystal display device 201 has been described. However, the present invention is not limited thereto, and various recording / playback devices, other display devices, and televisions are used. The above power supply control may be applied to a system in which two or more of the above are combined.
　《実施形態２》
　上記実施形態１においては、電源スイッチ１１６・２１６の制御端子に入力される信号が、セットトップボックス１０１と液晶表示装置２０１との間で電源制御信号として有線通信される例を示したが、これに限らず、例えば、セットトップボックス１０１および液晶表示装置２０１に、種々のプロトコル処理などを行う通信機１２１・２２１を設けて、これらから出力される信号が、電源制御信号として有線通信されるようにしてもよい。具体的には例えば、ＬＡＮケーブルやＵＳＢ（Universal Serial Bus）ケーブルなどによって各通信機１２１・２２１を接続し、通信機１２１・２２１同士等をペアリングし、お互いがペアであることを認証させて、電源のオン、オフが制御されるようにしてもよい。この場合には、さらに図示しない他の幾つかの機器も同じ配線で接続して電源のオンオフ制御をすることも容易に可能となる。上記のような通信機１２１・２２１には、待機状態の時にもサブ電源２１５から電力が供給されるが、その電力は無線通信部１１３・２１３に比べてかなり小さいので、やはり待機電力を小さく抑えることが容易にできる。 << Embodiment 2 >>
In the first embodiment, an example is shown in which signals input to the control terminals of the power switches 116 and 216 are wiredly communicated as power control signals between the set top box 101 and the liquid crystal display device 201. For example, the set-top box 101 and the liquid crystal display device 201 are provided with communication devices 121 and 221 that perform various protocol processing, and signals output from these devices are wiredly communicated as power supply control signals. It may be. Specifically, for example, the communication devices 121 and 221 are connected by a LAN cable, a USB (Universal Serial Bus) cable, etc., and the communication devices 121 and 221 are paired to authenticate each other as a pair. The power on / off may be controlled. In this case, it is possible to easily turn on / off the power supply by connecting several other devices (not shown) with the same wiring. The communication devices 121 and 221 as described above are supplied with power from the sub power source 215 even in the standby state, but the power is considerably smaller than that of the wireless communication units 113 and 213, so the standby power is also kept small. Can be easily done.
　なお、上記の場合、液晶表示装置２０１の電源スイッチ２１６は、通信機２２１から出力される信号によって制御されるのに代えて、リモコン受信部２１８から出力される信号によって直接制御され得るようにしてもよい。 In the above case, the power switch 216 of the liquid crystal display device 201 can be directly controlled by a signal output from the remote control receiver 218 instead of being controlled by a signal output from the communication device 221. Also good.
　《実施形態３》
　上記実施形態２のように通信機１２１・２２１を接続する場合、ＬＡＮケーブルなどによって直接接続してもよいが、例えば図３に示すような電源タップ３０１や電源コンセントなどを介して接続するようにしてもよい。上記電源タップ３０１は、通常の電源タップと同様にコンセント部３０１ａを備えるとともに、信号伝送配線によって互いに接続された専用の電源制御信号配線コネクタ３０１ｂを備えている。この場合には、各装置の電源プラグをコンセント部３０１ａ等に差し込むのに併せて、通信機１２１・２２１を電源制御信号配線コネクタ３０１ｂに接続することで、セットトップボックス１０１と液晶表示装置２０１とを連動させることが容易にできる。 << Embodiment 3 >>
When connecting the communication devices 121 and 221 as in the second embodiment, the communication devices 121 and 221 may be directly connected by a LAN cable or the like. For example, the communication devices 121 and 221 may be connected via a power tap 301 or a power outlet as shown in FIG. May be. The power tap 301 includes an outlet portion 301a as in a normal power tap, and a dedicated power control signal wiring connector 301b connected to each other by signal transmission wiring. In this case, the set-top box 101 and the liquid crystal display device 201 are connected by connecting the communication devices 121 and 221 to the power control signal wiring connector 301b in conjunction with inserting the power plug of each device into the outlet portion 301a or the like. Can be easily linked.
　なお、実施形態１で示したような、電源スイッチ１１６・２１６の制御端子に入力される信号が、上記のような電源タップ３０１の電源制御信号配線コネクタ３０１ｂを介して伝達されるようにしてもよい。 As shown in the first embodiment, the signal input to the control terminals of the power switches 116 and 216 may be transmitted via the power control signal wiring connector 301b of the power tap 301 as described above. Good.
　《実施形態４》
　図４に示すように、電力線を通信手段として使用するＰＬＣ（電力線通信）を用いるようにしてもよい。この場合、セットトップボックス１０１、および液晶表示装置２０１の電源プラグを電源コンセント等に差し込むだけで、上記と同様な電源制御をできるので、より設置の自由度が高くなり、見た目もすっきりとするので美観を向上させることも容易になる。ここで、ＰＬＣを用いた通信のためには、サブ電源１１５・２１５から通信機１２１・２２１に常に電力が供給されることになるが、例えば図５に一般的な無線ＬＡＮとＰＬＣの消費電力比較を示すように、上記のような通信機１２１・２２１の消費電力はかなり小さく、特に、必要とされる通信は、電源のオン、オフが可能な程度の簡単な通信で通信速度も遅いため、セーブモードを適用し、さらに最適化を行うなどして１Ｗ以下の消費電力を実現することも容易にできる。 << Embodiment 4 >>
As shown in FIG. 4, a PLC (power line communication) using a power line as a communication means may be used. In this case, since the power control similar to the above can be performed simply by inserting the power plugs of the set top box 101 and the liquid crystal display device 201 into a power outlet or the like, the degree of freedom of installation becomes higher and the appearance is also cleaner It is also easy to improve aesthetics. Here, for communication using the PLC, power is always supplied from the sub power supply 115/215 to the communication devices 121/221. For example, FIG. 5 shows power consumption of a general wireless LAN and PLC. As shown in the comparison, the power consumption of the communication devices 121 and 221 as described above is considerably small. Especially, the required communication is simple communication capable of turning on / off the power and the communication speed is low. Further, it is possible to easily realize a power consumption of 1 W or less by applying a save mode and further performing optimization.
　なお、上記各実施形態や変形例で説明した構成は、論理的に矛盾しない範囲で、種々組み合わせてもよい。 Note that the configurations described in the above embodiments and modifications may be variously combined within a logically consistent range.
　以上説明したように、本発明は、映像音声信号が無線通信により送受される、例えばセットトップボックスや液晶表示装置などのＡＶ機器、およびこれらを含むＡＶシステムについて有用である。 As described above, the present invention is useful for AV equipment such as a set-top box and a liquid crystal display device, and an AV system including these, in which video and audio signals are transmitted and received by wireless communication.
　　　　１０１　　　セットトップボックス
　　　　１１１　　　チューナ・入出力回路
　　　　１１２　　　映像音声コントローラ
　　　　１１３・２１３　　無線通信部
　　　　１１４・２１４　　メイン電源
　　　　１１５・２１５　　サブ電源
　　　　１１６・２１６　　電源スイッチ
　　　　１２１・２２１　　通信機
　　　　２０１　　　液晶表示装置
　　　　２１１　　　液晶表示部
　　　　２１１ａ　　液晶パネル
　　　　２１１ｂ　　液晶タイミングコントローラ
　　　　２１１ｃ　　バックライトユニット
　　　　２１１ｄ　　バックライトコントローラ
　　　　２１７　　　ＬＥＤ表示部
　　　　２１８　　　リモコン受信部
　　　　３０１　　　電源タップ
　　　　３０１ａ　　コンセント部
　　　　３０１ｂ　　電源制御信号配線コネクタ 101 set top box 111 tuner / input / output circuit 112 video / audio controller 113/213 wireless communication unit 114/214 main power source 115/215 sub power source 116/216 power switch 121/221 communication device 201 liquid crystal display device 211 liquid crystal display unit 211a liquid crystal Panel 211b Liquid crystal timing controller 211c Backlight unit 211d Backlight controller 217 LED display unit 218 Remote control receiving unit 301 Power tap 301a Outlet unit 301b Power control signal wiring connector

Claims (5)

  1. 　他のＡＶ機器との間で無線通信により映像音声信号を送受信可能なＡＶ機器であって、
    　映像音声信号を無線通信する無線通信部と、
    　少なくとも上記無線通信部に電力を供給する電源と、
    　上記電源を動作状態または停止状態にする電源スイッチと、
    　上記電源スイッチをオン、オフする電源制御信号が外部から入力される電源制御信号配線、および上記電源スイッチと連動して他のＡＶ機器の電源スイッチをオン、オフする電源制御信号を外部に出力する電源制御信号配線のうち少なくとも一方と、
    　を備えたことを特徴とするＡＶ機器。     An AV device capable of transmitting and receiving video and audio signals by wireless communication with other AV devices,
    A wireless communication unit for wirelessly communicating video and audio signals;
    A power supply for supplying power to at least the wireless communication unit;
    A power switch for operating or stopping the power supply;
    A power control signal wiring for inputting a power control signal for turning on / off the power switch from the outside and a power control signal for turning on / off a power switch of another AV device in conjunction with the power switch are output to the outside. At least one of the power control signal wires,
    AV equipment characterized by comprising
  2. 　請求項１のＡＶ機器であって、
    　上記電源制御信号は、上記電源スイッチの制御端子に入力される信号であることを特徴とするＡＶ機器。     The AV device according to claim 1,
    The AV apparatus, wherein the power control signal is a signal input to a control terminal of the power switch.
  3. 　請求項１のＡＶ機器であって、
    　さらに、上記電源スイッチがオフの場合にも電力が供給される有線の通信機を備え、
    　上記電源制御信号は、上記通信機と、他のＡＶ機器の通信機との間で送受される信号であることを特徴とするＡＶ機器。     The AV device according to claim 1,
    Furthermore, a wired communication device is provided to supply power even when the power switch is off,
    The AV device, wherein the power control signal is a signal transmitted and received between the communication device and a communication device of another AV device.
  4. 　請求項１から請求項３のうち何れか１項のＡＶ機器であって、
    　上記電源制御信号配線は、電源コンセントまたは電源タップに設けられた信号伝送配線に接続可能に設けられていることを特徴とするＡＶ機器。     The AV device according to any one of claims 1 to 3,
    The AV apparatus, wherein the power control signal wiring is provided so as to be connectable to a signal transmission wiring provided in a power outlet or a power strip.
  5. 　請求項３のＡＶ機器であって、
    　上記通信機は電力線通信を行うように構成されたことを特徴とするＡＶ機器。     The AV device according to claim 3,
    An AV device, wherein the communication device is configured to perform power line communication.
PCT/JP2013/006203 2012-10-26 2013-10-21 Av device WO2014064915A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-237179 2012-10-26
JP2012237179 2012-10-26

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004282475A (en) * 2003-03-17 2004-10-07 Canon Inc Electronic conference system
JP2011103590A (en) * 2009-11-11 2011-05-26 Victor Co Of Japan Ltd Radio starting device
JP2013207308A (en) * 2012-03-27 2013-10-07 Sharp Corp Display device and source apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004282475A (en) * 2003-03-17 2004-10-07 Canon Inc Electronic conference system
JP2011103590A (en) * 2009-11-11 2011-05-26 Victor Co Of Japan Ltd Radio starting device
JP2013207308A (en) * 2012-03-27 2013-10-07 Sharp Corp Display device and source apparatus

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