JP2005197854A - Television receiver with built-in radio communication function and power consumption reducing method - Google Patents

Television receiver with built-in radio communication function and power consumption reducing method Download PDF

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JP2005197854A
JP2005197854A JP2004000071A JP2004000071A JP2005197854A JP 2005197854 A JP2005197854 A JP 2005197854A JP 2004000071 A JP2004000071 A JP 2004000071A JP 2004000071 A JP2004000071 A JP 2004000071A JP 2005197854 A JP2005197854 A JP 2005197854A
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receiving
input
external input
switching information
switching
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Tatsuya Nakahori
竜也 中堀
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a television receiver with a built-in communication function capable of reducing power consumption by turning off a tuner unit when the resource of the tuner unit is not used, and to provide a power consumption reducing method. <P>SOLUTION: The television receiver is provided with a receiving device for receiving broadcast signals, and a display device for receiving the broadcast signals from the receiving device by radio communication and displaying the received broadcast signals. The display device is provided with an external input means for accepting an external input, an input switching means for switching between the external input from the external input means and the broadcast signals from the receiving device, and a transmitting means for transmitting input switching information to the receiving means when the input switching means switches to the external input from the external input means. The receiving means is provided with a receiving means for receiving input switching information from the display device, and a power control means for controlling the power supply of the receiving device on the basis of the input switching information from the receiving means. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、無線通信機能を内蔵したテレビジョン受像機及び消費電力削減方法に関する。   The present invention relates to a television receiver with a built-in wireless communication function and a power consumption reduction method.

従来、チューナ部とモニタ部を夫々独立させ、無線通信により映像／音声信号の送受信を行うテレビジョン受像機がある。前記テレビジョン受像機ではモニタ部を自由に持ち運びできるため、モニタ部の消費電力削減が問題となる。   2. Description of the Related Art Conventionally, there is a television receiver in which a tuner unit and a monitor unit are independent of each other and video / audio signals are transmitted / received by wireless communication. In the television receiver, since the monitor unit can be freely carried, reduction of power consumption of the monitor unit becomes a problem.

そこで、上記問題を解決するために、無線通信を確立できないときに限り、モニタ部の電源をオフするテレビジョン受像機が公知である（例えば、特許文献１参照）。   Therefore, in order to solve the above problem, a television receiver that turns off the power of the monitor unit only when wireless communication cannot be established is known (for example, see Patent Document 1).

上記テレビジョン受像機のモニタ部はバッテリを内蔵し、スタンド部に装脱着可能となっている。モニタ部がスタンド部へ装着されている場合は、スタンド部からバッテリの充電及びモニタ部全体への給電がなされている。一方、モニタ部がスタンド部へ装着されていない場合は、モニタ部への給電は内蔵バッテリからなされる。そして、モニタ部がスタンド部に装着されていない状態であって、かつ家庭内ネットワークと無線通信を確立できない場合に、モニタ部の電源をオフしてバッテリの消耗を抑える構成となっている。
特開２００２−２０４４０８号公報 The monitor unit of the television receiver incorporates a battery and can be attached to and detached from the stand unit. When the monitor unit is mounted on the stand unit, the battery is charged from the stand unit and power is supplied to the entire monitor unit. On the other hand, when the monitor unit is not attached to the stand unit, power is supplied to the monitor unit from the built-in battery. When the monitor unit is not attached to the stand unit and wireless communication with the home network cannot be established, the monitor unit is turned off to suppress battery consumption.
JP 2002-204408 A

しかしながら、上記従来のテレビジョン受像機の構成では、通信が確立している時にモニタ側の外部入力を選択している場合、チューナ部のリソースを使用していないにも関わらず、チューナ部の電源がオンされたままになるという問題があった。   However, in the configuration of the above conventional television receiver, when the external input on the monitor side is selected when communication is established, the power of the tuner unit is not used even though the resource of the tuner unit is not used. There was a problem that would remain on.

本発明は上記の問題に鑑みてなされたもので、チューナ部のリソースを使用していない時にチューナ部の電源をオフすることで、消費電力削減を行うことが可能な無線通信機能を内蔵したテレビジョン受像機及び消費電力削減方法を提供することを目的とする。   The present invention has been made in view of the above problems, and is a television with a built-in wireless communication function that can reduce power consumption by turning off the power of the tuner unit when resources of the tuner unit are not used. It is an object of the present invention to provide a John receiver and a power consumption reduction method.

本発明の請求項１に係るテレビジョン受像機は、放送信号を受信する受信装置と、無線通信により受信装置からの放送信号を受信して表示する表示装置を備えたテレビジョン受像機であって、表示装置は、外部入力を受け付ける外部入力手段と、外部入力手段からの外部入力と受信装置からの放送信号とを切り換える入力切換手段と、入力切換手段が外部入力手段からの外部入力に切り換えた場合に、受信装置へ入力切換情報を送信する送信手段とを備え、受信装置は、表示装置からの入力切換情報を受信する受信手段と、受信手段からの入力切換情報に基づいて受信装置の電源を制御する電源制御手段とを備えたことを特徴とする。   A television receiver according to claim 1 of the present invention is a television receiver including a receiving device that receives a broadcast signal and a display device that receives and displays the broadcast signal from the receiving device through wireless communication. The display device includes an external input unit that accepts an external input, an input switching unit that switches between an external input from the external input unit and a broadcast signal from the receiving device, and the input switching unit switches to an external input from the external input unit. A receiving means for receiving the input switching information from the display device, and a power supply for the receiving apparatus based on the input switching information from the receiving means. Power control means for controlling the power supply.

また、本発明の請求項２に係るテレビジョン受像機は、請求項１の構成において、電源制御手段は、受信手段からの入力切換情報に基づいて受信装置の電源をオフすることを特徴とする。   According to a second aspect of the present invention, in the configuration of the first aspect, the power control means turns off the power of the receiving apparatus based on the input switching information from the receiving means. .

また、本発明の請求項３に係る消費電力削減方法は、放送信号を受信する受信装置と、無線通信により受信装置からの放送信号を受信して表示する表示装置を備えたテレビジョン受像機の消費電力削減方法であって、表示装置は、外部入力を受け付けるステップと、外部入力と受信装置からの放送信号とを切り換えるステップと、外部入力に切り換えた場合に入力切換情報を送信するステップとを備え、受信装置は、入力切換情報を受信するステップと、入力切換情報に基づいて電源を制御するステップとを備えたことを特徴とする。   According to a third aspect of the present invention, there is provided a power consumption reduction method for a television receiver including a receiving device that receives a broadcast signal and a display device that receives and displays the broadcast signal from the receiving device through wireless communication. In the power consumption reduction method, the display device includes a step of receiving an external input, a step of switching between the external input and a broadcast signal from the receiving device, and a step of transmitting input switching information when switching to the external input. The receiving device includes a step of receiving input switching information and a step of controlling a power source based on the input switching information.

また、本発明の請求項４に係る消費電力削減方法は、放送信号を受信する受信装置と、無線通信により受信装置からの放送信号を受信して表示する表示装置を備えたテレビジョン受像機の消費電力削減方法であって、表示装置は、外部入力を受け付けるステップと、外部入力と受信装置からの放送信号とを切り換えるステップと、外部入力に切り換えた場合に入力切換情報を送信するステップとを備え、受信装置は、入力切換情報を受信するステップと、入力切換情報に基づいて電源をオフするステップとを備えたことを特徴とする。   According to a fourth aspect of the present invention, there is provided a power consumption reduction method for a television receiver including a receiving device that receives a broadcast signal and a display device that receives and displays the broadcast signal from the receiving device through wireless communication. In the power consumption reduction method, the display device includes a step of receiving an external input, a step of switching between the external input and a broadcast signal from the receiving device, and a step of transmitting input switching information when switching to the external input. The receiving device includes a step of receiving input switching information and a step of turning off the power based on the input switching information.

また、請求項５に係る記録媒体は、請求項３の消費電力削減方法を実施するコンピュータプログラムを記録するものであり、請求項６はそのコンピュータプログラムそのものに関するものである。   A recording medium according to a fifth aspect records a computer program for implementing the power consumption reduction method according to the third aspect, and a sixth aspect relates to the computer program itself.

以上のように、本発明の無線通信機能を内蔵したテレビジョン受像機によれば、モニタ部を外部入力に切り換えている時、つまりチューナ部のリソースを使用していない時、チューナ部の電源をオフすることで消費電力削減を行うことが可能となる。   As described above, according to the television receiver with a built-in wireless communication function of the present invention, when the monitor unit is switched to the external input, that is, when the tuner unit resource is not used, the tuner unit is turned on. By turning it off, power consumption can be reduced.

（実施の形態１）
図１は本発明の実施の形態１による無線通信機能を内蔵したテレビジョン受像機の構成を示すブロック図である。 (Embodiment 1)
FIG. 1 is a block diagram showing a configuration of a television receiver incorporating a wireless communication function according to Embodiment 1 of the present invention.

チューナ部１０１は、チューナ部１０１の電源を制御するチューナ側電源制御部１０２と、地上波放送や衛星放送を受信するアンテナ部１０３と、アンテナ部１０３の映像／音声信号を選局するチューナ制御部１０４と、チューナ制御部１０４によって選局された映像／音声信号をモニタ側無線通信部１０９に送信し、またモニタ側無線通信部１０９から入力切換情報を受信するチューナ側無線制御部１０５と、チューナ側電源制御部１０２とチューナ制御部１０４とチューナ側無線制御部１０５を制御するチューナ側マイクロコンピュータ１０６で構成されている。   The tuner unit 101 includes a tuner-side power source control unit 102 that controls the power source of the tuner unit 101, an antenna unit 103 that receives terrestrial and satellite broadcasts, and a tuner control unit that selects a video / audio signal from the antenna unit 103. 104, a tuner-side radio control unit 105 that transmits the video / audio signal selected by the tuner control unit 104 to the monitor-side radio communication unit 109, and receives input switching information from the monitor-side radio communication unit 109; It comprises a tuner-side microcomputer 106 that controls the side-side power supply control unit 102, the tuner control unit 104, and the tuner-side wireless control unit 105.

モニタ部１０７は、モニタ部１０７の電源を制御するモニタ側電源制御部１０８と、チューナ側無線通信部１０５から送信される映像／音声信号を受信し、またチューナ側無線通信部１０５に入力切換情報を送信するモニタ側無線通信部１０９と、映像／音声再生装置などを接続する外部入力部１１０と、モニタ側無線通信部１０９からの映像／音声信号と、外部入力部１１０からの映像／音声信号の切り換えを行う入力切換制御部１１１と、入力切換制御部１１１によって選択された映像／音声を表示する映像／音声出力部１１２と、モニタ側電源制御部１０８とモニタ側無線通信部１０９と入力切換制御部１１１を制御するモニタ側マイクロコンピュータ１１３で構成されている。   The monitor unit 107 receives a monitor-side power control unit 108 that controls the power of the monitor unit 107 and a video / audio signal transmitted from the tuner-side wireless communication unit 105, and also inputs input switching information to the tuner-side wireless communication unit 105. The monitor-side wireless communication unit 109 that transmits the video signal, the external input unit 110 that connects the video / audio playback device, the video / audio signal from the monitor-side wireless communication unit 109, and the video / audio signal from the external input unit 110 The input switching control unit 111 for switching the video, the video / audio output unit 112 for displaying the video / audio selected by the input switching control unit 111, the monitor-side power control unit 108, the monitor-side wireless communication unit 109, and the input switching. The monitor-side microcomputer 113 that controls the control unit 111 is configured.

次に、本実施の形態１によるチューナ部１０１のチューナ映像／音声信号送信制御の動作を図２に示すフローチャートを用いて説明する。   Next, the tuner video / audio signal transmission control operation of the tuner unit 101 according to the first embodiment will be described with reference to the flowchart shown in FIG.

アンテナ部１０３からチューナ映像／音声信号をチューナ制御部１０４によって選局し（ステップ２０１）、選局されたチューナ映像／音声信号をチューナ側無線通信部１０５からモニタ側無線通信部１０９に送信する（ステップ２０２）。   The tuner video / audio signal is selected by the tuner control unit 104 from the antenna unit 103 (step 201), and the selected tuner video / audio signal is transmitted from the tuner-side wireless communication unit 105 to the monitor-side wireless communication unit 109 ( Step 202).

次に、本実施の形態１によるモニタ部１０７の映像／音声出力制御の動作を図３に示すフローチャートを用いて説明する。   Next, the video / audio output control operation of the monitor unit 107 according to the first embodiment will be described with reference to the flowchart shown in FIG.

モニタ側無線通信部１０９が、チューナ側無線通信部１０５から送信されたチューナ映像／音声信号を受信し（ステップ３０１）、モニタ側無線通信部１０９で受信されたチューナ映像／音声信号と外部入力部１１０からの映像／音声信号を入力切換制御部１１１で選択し（ステップ３０２）、選択された入力切換情報をモニタ側無線通信部１０９からチューナ側無線通信部１０５に送信し（ステップ３０３）、選択された映像／音声信号を映像／音声出力部１１２で出力する（ステップ３０４）。   The monitor-side wireless communication unit 109 receives the tuner video / audio signal transmitted from the tuner-side wireless communication unit 105 (step 301), and the tuner video / audio signal received by the monitor-side wireless communication unit 109 and the external input unit A video / audio signal from 110 is selected by the input switching control unit 111 (step 302), and the selected input switching information is transmitted from the monitor-side wireless communication unit 109 to the tuner-side wireless communication unit 105 (step 303). The video / audio signal thus output is output by the video / audio output unit 112 (step 304).

最後に、本実施の形態１によるチューナ部１０１のチューナ側電源制御の動作を図４に示すフローチャートを用いて説明する。   Finally, the tuner-side power control operation of the tuner unit 101 according to the first embodiment will be described with reference to the flowchart shown in FIG.

モニタ側無線通信部１０９から送信された入力切換情報をチューナ側無線通信部１０５で受信し（ステップ４０１）、チューナ側無線通信部１０５で受信された入力切換情報を判別し（ステップ４０２）、入力切換情報が外部入力の場合は（ステップ４０２で「Ｙ」）、チューナ側電源制御部１０２がチューナ部１０１の電源をオフする（ステップ４０３）。   Input switching information transmitted from the monitor-side wireless communication unit 109 is received by the tuner-side wireless communication unit 105 (step 401), and the input switching information received by the tuner-side wireless communication unit 105 is determined (step 402). If the switching information is an external input (“Y” in step 402), the tuner-side power control unit 102 turns off the power of the tuner unit 101 (step 403).

なお、本実施の形態１では、コンピュータプログラムによってそれぞれの手段が制御されることで実現され、このコンピュータプログラムをフロッピー（Ｒ）ディスク等の記録媒体に記録しておくことにより、移送が可能となり、独立した他の無線通信機能を内蔵したテレビジョン受像機においても容易に実施することができる。   In the first embodiment, each means is controlled by a computer program. By recording this computer program on a recording medium such as a floppy (R) disk, transfer is possible. The present invention can also be easily implemented in a television receiver incorporating another independent wireless communication function.

本発明のテレビジョン受像機は、モニタ部を外部入力に切り換えている時、つまりチューナ部のリソースを使用していない時、チューナ部の電源をオフすることで消費電力削減を行うことができ、無線通信機能を内蔵した全てのＡＶ機器で有用である。   The television receiver of the present invention can reduce power consumption by switching off the power of the tuner unit when the monitor unit is switched to an external input, that is, when the resource of the tuner unit is not used. This is useful for all AV devices with a built-in wireless communication function.

本発明の実施の形態１におけるテレビジョン受像機の構成を示すブロック図1 is a block diagram showing a configuration of a television receiver in Embodiment 1 of the present invention. 同実施の形態におけるチューナ映像／音声信号送信制御の動作を示すフローチャートFlowchart showing the operation of tuner video / audio signal transmission control in the embodiment 同実施の形態における映像／音声出力の動作を示すフローチャートFlowchart showing video / audio output operation in the embodiment 同実施の形態におけるチューナ側電源制御の動作を示すフローチャートThe flowchart which shows the operation | movement of the tuner side power supply control in the embodiment

符号の説明Explanation of symbols

１０１ チューナ部
１０２ チューナ側電源制御部
１０３ アンテナ部
１０４ チューナ制御部
１０５ チューナ側無線通信部
１０６ チューナ側マイクロコンピュータ
１０７ モニタ部
１０８ モニタ側電源制御部
１０９ モニタ側無線通信部
１１０ 外部入力部
１１１ 入力切換制御部
１１２ 映像／音声出力部
１１３ モニタ側マイクロコンピュータ DESCRIPTION OF SYMBOLS 101 Tuner part 102 Tuner side power supply control part 103 Antenna part 104 Tuner control part 105 Tuner side radio | wireless communication part 106 Tuner side microcomputer 107 Monitor part 108 Monitor side power source control part 109 Monitor side radio | wireless communication part 110 External input part 111 Input switching control Part 112 video / audio output part 113 monitor side microcomputer

Claims (6)

放送信号を受信する受信装置と、無線通信により前記受信装置からの放送信号を受信して表示する表示装置を備えたテレビジョン受像機であって、前記表示装置は、外部入力を受け付ける外部入力手段と、前記外部入力手段からの外部入力と前記受信装置からの放送信号とを切り換える入力切換手段と、前記入力切換手段が前記外部入力手段からの外部入力に切り換えた場合に、前記受信装置へ入力切換情報を送信する送信手段とを備え、前記受信装置は、前記表示装置からの入力切換情報を受信する受信手段と、前記受信手段からの入力切換情報に基づいて前記受信装置の電源を制御する電源制御手段とを備えたことを特徴とするテレビジョン受像機。 A television receiver comprising a receiving device for receiving a broadcast signal and a display device for receiving and displaying the broadcast signal from the receiving device by wireless communication, wherein the display device receives an external input. And an input switching means for switching between an external input from the external input means and a broadcast signal from the receiving apparatus, and an input to the receiving apparatus when the input switching means switches to an external input from the external input means Transmitting means for transmitting switching information, and the receiving device controls the power supply of the receiving device based on the receiving means for receiving the input switching information from the display device and the input switching information from the receiving means. A television receiver comprising power control means. 前記電源制御手段は、前記受信手段からの入力切換情報に基づいて前記受信装置の電源をオフすることを特徴とする請求項１記載のテレビジョン受像機。 2. The television receiver according to claim 1, wherein the power control means turns off the power of the receiving apparatus based on input switching information from the receiving means. 放送信号を受信する受信装置と、無線通信により前記受信装置からの放送信号を受信して表示する表示装置を備えたテレビジョン受像機の消費電力削減方法であって、前記表示装置は、外部入力を受け付けるステップと、前記外部入力と前記受信装置からの放送信号とを切り換えるステップと、前記外部入力に切り換えた場合に入力切換情報を送信するステップとを備え、前記受信装置は、前記入力切換情報を受信するステップと、前記入力切換情報に基づいて電源を制御するステップとを備えたことを特徴とする消費電力削減方法。 A method of reducing power consumption of a television receiver comprising a receiving device for receiving a broadcast signal and a display device for receiving and displaying the broadcast signal from the receiving device by wireless communication, wherein the display device is an external input Receiving, the step of switching between the external input and the broadcast signal from the receiving device, and the step of transmitting input switching information when switching to the external input, wherein the receiving device includes the input switching information And a step of controlling the power supply based on the input switching information. 放送信号を受信する受信装置と、無線通信により前記受信装置からの放送信号を受信して表示する表示装置を備えたテレビジョン受像機の消費電力削減方法であって、前記表示装置は、外部入力を受け付けるステップと、前記外部入力と前記受信装置からの放送信号とを切り換えるステップと、前記外部入力に切り換えた場合に入力切換情報を送信するステップとを備え、前記受信装置は、前記入力切換情報を受信するステップと、前記入力切換情報に基づいて電源をオフするステップとを備えたことを特徴とする消費電力削減方法。 A method for reducing power consumption of a television receiver, comprising: a receiving device that receives a broadcast signal; and a display device that receives and displays the broadcast signal from the receiving device by wireless communication. Receiving, the step of switching between the external input and a broadcast signal from the receiving device, and the step of transmitting input switching information when switching to the external input, wherein the receiving device includes the input switching information And a step of turning off the power based on the input switching information. コンピュータに、外部入力を受け付けるステップと、前記外部入力と放送信号とを切り換えるステップと、前記外部入力に切り換えた場合に入力切換情報を送信するステップと、前記入力切換情報を受信するステップと、前記入力切換情報に基づいて電源をオフするステップとを実行させるためのプログラムを記録したコンピュータ読み取り可能な記録媒体。 A step of accepting an external input to the computer; a step of switching between the external input and the broadcast signal; a step of transmitting input switching information when switching to the external input; a step of receiving the input switching information; A computer-readable recording medium having recorded thereon a program for executing a step of turning off power based on input switching information. コンピュータに、外部入力を受け付けるステップと、前記外部入力と放送信号とを切り換えるステップと、前記外部入力に切り換えた場合に入力切換情報を送信するステップと、前記入力切換情報を受信するステップと、前記入力切換情報に基づいて電源をオフするステップとを実行させるためのプログラム。 A step of accepting an external input to the computer; a step of switching between the external input and the broadcast signal; a step of transmitting input switching information when switching to the external input; a step of receiving the input switching information; A program for executing a step of turning off the power based on the input switching information.
JP2004000071A 2004-01-05 2004-01-05 Television receiver with built-in radio communication function and power consumption reducing method Pending JP2005197854A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8340047B2 (en) 2007-05-25 2012-12-25 Fujitsu Ten Limited Integrated antenna device, integrated demodulating device, and integrated receiving device
JP2013118041A (en) * 2012-12-11 2013-06-13 Canon Inc Image output device, control method therefor, and program
US8903220B2 (en) 2008-07-07 2014-12-02 Canon Kabushiki Kaisha Video data outputting apparatus and method of controlling video data outputting apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8340047B2 (en) 2007-05-25 2012-12-25 Fujitsu Ten Limited Integrated antenna device, integrated demodulating device, and integrated receiving device
US8903220B2 (en) 2008-07-07 2014-12-02 Canon Kabushiki Kaisha Video data outputting apparatus and method of controlling video data outputting apparatus
JP2013118041A (en) * 2012-12-11 2013-06-13 Canon Inc Image output device, control method therefor, and program

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