JPH07264674A - Remote control signal reception system - Google Patents
Remote control signal reception systemInfo
- Publication number
- JPH07264674A JPH07264674A JP5026194A JP5026194A JPH07264674A JP H07264674 A JPH07264674 A JP H07264674A JP 5026194 A JP5026194 A JP 5026194A JP 5026194 A JP5026194 A JP 5026194A JP H07264674 A JPH07264674 A JP H07264674A
- Authority
- JP
- Japan
- Prior art keywords
- control signal
- remote control
- circuit
- infrared
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Selective Calling Equipment (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、リモコン信号受信部の
消費電力削減に有効である電源制御手段を具備したリモ
コン信号受信システムに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote control signal receiving system having a power supply control means effective for reducing power consumption of a remote control signal receiving section.
【０００２】[0002]
【従来の技術】図５は従来のリモコン受信システムのブ
ロック図である。リモコン信号送信回路８は送信信号を
赤外線に変換したものを出力する。リモコン信号受信回
路９はリモコン信号送信回路８からの赤外線を受光し、
これを電気信号に変換して出力する。リモコン信号識別
回路１０はリモコン信号受信回路９からの電気信号をリ
モコン信号とそれ以外の信号に識別し、リモコン信号の
みを選択しリモコン信号を出力する。リモコン信号識別
回路１０によって識別されたリモコン信号は、デコード
回路１１がデコードを行い、ラッチ回路１２がデコード
回路１１でデコードした信号をラッチする。2. Description of the Related Art FIG. 5 is a block diagram of a conventional remote control receiving system. The remote control signal transmission circuit 8 outputs a transmission signal converted into infrared rays. The remote control signal receiving circuit 9 receives the infrared rays from the remote control signal transmitting circuit 8,
This is converted into an electric signal and output. The remote control signal identification circuit 10 identifies the electric signal from the remote control signal reception circuit 9 as a remote control signal and other signals, selects only the remote control signal, and outputs the remote control signal. The remote control signal identified by the remote control signal identification circuit 10 is decoded by the decoding circuit 11, and the latch circuit 12 latches the signal decoded by the decoding circuit 11.
【０００３】以上の構成により、リモコン信号受信回路
９がリモコン信号を受信していない間も、リモコン信号
受信回路９には電源回路１３から電源が供給され通電状
態が続いている。With the above configuration, even when the remote control signal receiving circuit 9 is not receiving the remote control signal, power is supplied from the power supply circuit 13 to the remote control signal receiving circuit 9 and the energized state continues.
【０００４】[0004]
【発明が解決しようとする課題】図５に示す従来のリモ
コン信号受信システムにおいて、リモコン信号受信回路
は、リモコン信号の有無に関わらず常に通電しているた
めにリモコン信号入力がないときでも電力を消費するも
のである。In the conventional remote control signal receiving system shown in FIG. 5, since the remote control signal receiving circuit is always energized regardless of the presence or absence of the remote control signal, power is supplied even when there is no remote control signal input. It is something to consume.
【０００５】本発明は上記課題を解決するもので、リモ
コン信号を受信すると、リモコン信号入力が終わるまで
リモコン信号受信を行い、リモコン信号の入力がなくな
ると、リモコン信号受信を間欠に行うことにより消費電
力を削減しかつ正常にリモコン信号を受信することを可
能とするリモコン信号受信システムを提供することを目
的とする。The present invention solves the above problems. When a remote control signal is received, the remote control signal is received until the remote control signal input is completed, and when the remote control signal is no longer input, the remote control signal reception is intermittently performed. It is an object of the present invention to provide a remote control signal receiving system which can reduce power consumption and can receive a remote control signal normally.
【０００６】[0006]
【課題を解決するための手段】本発明のリモコン信号受
信システムは、一命令につき、同じリモコン信号を複数
回送出する赤外線送信方式リモコン信号送信手段と、前
記赤外線送信方式リモコン信号送信手段から送出された
赤外線信号を受信して前記赤外線信号を電気信号に変換
する赤外線受信方式リモコン信号受信手段と、前記赤外
線受信方式リモコン信号受信手段に電源を供給するため
の電源供給手段と、受信した前記赤外線信号がリモコン
信号かどうかを識別してリモコン信号のみを選択するリ
モコン信号識別手段と、前記リモコン信号識別手段によ
って選択されたリモコン信号を制御信号にデコードする
デコード手段と、デコードされた制御信号を保持してお
く制御信号保持手段を具備するリモコン信号受信システ
ムであって、前記リモコン信号識別手段においてリモコ
ン信号が検出された場合、リモコン信号が入力されてい
ることが電源制御手段に入力され、リモコン信号が入力
されている間だけ前記電源供給手段を制御し、前記赤外
線受信方式リモコン信号受信手段に対して電源供給を行
い、リモコン信号が入力されなくなると前記電源制御手
段は、前記電源供給手段を制御し、前記赤外線受信方式
リモコン信号受信手段に対して間欠電源供給する前記電
源制御手段を備えるものである。In the remote control signal receiving system of the present invention, an infrared transmitting remote control signal transmitting means for transmitting the same remote control signal a plurality of times for one command and the infrared transmitting remote control signal transmitting means. Infrared receiving remote control signal receiving means for receiving the infrared signal and converting the infrared signal into an electric signal, power supply means for supplying power to the infrared receiving remote control signal receiving means, and the received infrared signal Whether the remote control signal is a remote control signal and selects only the remote control signal, a decoding means for decoding the remote control signal selected by the remote control signal identification means into a control signal, and holding the decoded control signal. A remote control signal receiving system comprising a control signal holding means for When the remote control signal is detected by the remote control signal identification means, the fact that the remote control signal is input is input to the power supply control means, and the power supply means is controlled only while the remote control signal is input, and the infrared reception system is used. The power source is supplied to the remote control signal receiving means, and when the remote control signal is not input, the power source controlling means controls the power source supplying means to supply intermittent power to the infrared ray receiving type remote control signal receiving means. It is provided with a control means.
【０００７】[0007]
【作用】本発明は、前述した構成によって、リモコン信
号受信システムにリモコン信号が入力された場合、リモ
コン信号受信回路をリモコン信号入力がなくなるまで通
電状態とし、リモコン信号受信システムにリモコン信号
が入力されない場合は、リモコン信号受信回路を間欠動
作することによりリモコン信号受信システムの消費電力
を削減しかつ正常にリモコン信号を受信することを可能
とすることができる。According to the present invention, when the remote control signal is input to the remote control signal receiving system, the remote control signal receiving circuit is energized until the remote control signal is not input and the remote control signal is not input to the remote control signal receiving system. In this case, by intermittently operating the remote control signal receiving circuit, it is possible to reduce the power consumption of the remote control signal receiving system and normally receive the remote control signal.
【０００８】[0008]
【実施例】図１は本発明の一実施例におけるリモコン信
号受信システムの構成を示すブロック図である。図１に
おいて、まず、リモコン信号送信回路１から送信信号を
赤外線で出力する。リモコン信号受信回路２で赤外線を
受光し、これを電気信号に変換する。この電気信号をリ
モコン信号識別回路３が、リモコン信号とそれ以外の信
号とを識別し、リモコン信号のみを選択する。この選択
されたリモコン信号は、デコード回路４によってデコー
ドを行い、ラッチ回路５において保持される。1 is a block diagram showing the configuration of a remote control signal receiving system according to an embodiment of the present invention. In FIG. 1, first, a remote control signal transmission circuit 1 outputs a transmission signal by infrared rays. The remote control signal receiving circuit 2 receives infrared rays and converts it into an electric signal. The remote control signal identification circuit 3 identifies this electric signal from the remote control signal and other signals, and selects only the remote control signal. The selected remote control signal is decoded by the decoding circuit 4 and held in the latch circuit 5.
【０００９】リモコン信号受信回路２にリモコン信号が
入力されると、電源制御回路６は、リモコン信号受信回
路２が連続受信するように電源回路７を制御し、リモコ
ン信号受信回路２にリモコン信号が入力されなくなる
と、電源制御回路６はリモコン信号受信回路２が間欠受
信するように電源回路７を制御する。When a remote control signal is input to the remote control signal receiving circuit 2, the power supply control circuit 6 controls the power supply circuit 7 so that the remote control signal receiving circuit 2 continuously receives, and the remote control signal receiving circuit 2 receives the remote control signal. When the input is stopped, the power supply control circuit 6 controls the power supply circuit 7 so that the remote control signal receiving circuit 2 receives intermittently.
【００１０】図２はリモコン信号のコマンドコード信号
構成の一実施例である。図２より、本システムが間欠受
信を行っている時、リモコン信号受信回路２の通電がＯ
ＦＦの時間はコマンドコードの全時間からリーダ部５.
２３ｍｓｅｃとトレーラ部７５ｍｓｅｃを減じた時間以
下とする。リモコン信号受信回路２の通電がＯＮの時間
は、コマンドコードの中では最も大きいトレーラ部の７
５ｍｓｅｃ以上とする。FIG. 2 shows an embodiment of the command code signal structure of the remote control signal. From FIG. 2, when the system is performing intermittent reception, the remote control signal receiving circuit 2 is turned on.
The FF time is from the full time of the command code to the reader section 5.
It should be less than or equal to the time obtained by subtracting 23 msec from the trailer portion 75 msec. The time when the remote control signal receiving circuit 2 is turned on is 7 times the largest trailer in the command code.
Set to 5 msec or more.
【００１１】図３および図４はリモコン信号受信回路２
の間欠受信の状態と、リモコン信号送信回路１のリモコ
ン信号送信状態を表したものである。リモコン信号の送
信回数は、一命令につき複数回同じ信号を送るものとす
る。図３で、リモコン信号受信システムは間欠受信を行
っている。リモコン信号受信回路２がＯＮの状態の時に
リモコン信号が入力されると、リモコン信号の入力が終
わった後任意の一定時間はリモコン受信回路に連続通電
を行う。以上のことにより、リモコン信号を間欠受信し
ていても正常にリモコン信号を受信することができる。3 and 4 show a remote control signal receiving circuit 2
The figure shows the intermittent reception state and the remote control signal transmission state of the remote control signal transmission circuit 1. As for the number of times the remote control signal is transmitted, the same signal is transmitted multiple times for each command. In FIG. 3, the remote control signal reception system performs intermittent reception. When the remote control signal is input while the remote control signal receiving circuit 2 is ON, the remote control receiving circuit is continuously energized for an arbitrary fixed time after the input of the remote control signal is completed. As described above, the remote control signal can be normally received even if the remote control signal is intermittently received.
【００１２】また、図４のように、リモコン信号受信回
路２の受信がＯＦＦの状態の時にリモコン信号の入力が
あった場合においても、リモコン信号受信の間欠時間を
前述した時間にすることによりリモコン信号受信回路２
が再びＯＮになった時第１番目のリモコン信号入力はリ
モコン信号であるとの認識だけは行うことができ、以降
リモコン信号の受信が終わった後任意の一定時間はリモ
コン信号受信回路に連続通電を行う。この結果、第２番
目以降のリモコン信号は、正常に受信できる。Also, as shown in FIG. 4, even when a remote control signal is input when the remote control signal receiving circuit 2 is in the OFF state, the remote control signal reception intermittent time is set to the above-mentioned time to control the remote control. Signal receiving circuit 2
When is turned on again, only the recognition that the first remote control signal input is a remote control signal can be performed, and after that, the remote control signal receiving circuit is continuously energized for an arbitrary fixed time after receiving the remote control signal. I do. As a result, the second and subsequent remote control signals can be received normally.
【００１３】以上のことにより、本発明のリモコン信号
受信システムは、リモコン信号を正常に受信し且つリモ
コン信号の入力がない場合は、リモコン信号受信を間欠
に行うことによりリモコン信号受信回路の消費電力を低
減することができる。As described above, in the remote control signal receiving system of the present invention, when the remote control signal is normally received and the remote control signal is not input, the remote control signal receiving circuit intermittently performs the power consumption of the remote control signal receiving circuit. Can be reduced.
【００１４】[0014]
【発明の効果】本発明のリモコン信号受信システムは、
以上示したように、リモコン信号が入力されるとリモコ
ン信号を連続受信することにより正確にリモコン信号を
受信することができる。又、リモコン信号が入力されな
いときはリモコン信号受信回路を間欠動作とし、その結
果、リモコン信号受信システムの消費電力削減を可能に
する。したがって、ビデオムービーやその他の小型バッ
テリーを用いたハンディ機器に用いることにより多大な
実施効果がある。According to the remote control signal receiving system of the present invention,
As described above, when the remote control signal is input, the remote control signal can be received accurately by continuously receiving the remote control signal. Further, when the remote control signal is not input, the remote control signal receiving circuit operates intermittently, and as a result, it is possible to reduce the power consumption of the remote control signal receiving system. Therefore, when used in a handy device using a video movie or other small batteries, a great effect can be obtained.
【図１】本発明の一実施例におけるリモコン信号受信シ
ステムの構成を示すブロック図FIG. 1 is a block diagram showing a configuration of a remote control signal receiving system according to an embodiment of the present invention.
【図２】リモコン信号送信コードフォーマットを示す説
明図FIG. 2 is an explanatory diagram showing a remote control signal transmission code format.
【図３】リモコン信号受信回路２の間欠受信状態図とリ
モコン信号送信回路１のリモコン信号送信状態図FIG. 3 is an intermittent reception state diagram of the remote control signal reception circuit 2 and a remote control signal transmission state diagram of the remote control signal transmission circuit 1.
【図４】リモコン信号受信回路２の間欠受信状態図とリ
モコン信号送信回路１のリモコン信号送信状態図FIG. 4 is an intermittent reception state diagram of the remote control signal reception circuit 2 and a remote control signal transmission state diagram of the remote control signal transmission circuit 1.
【図５】従来のリモコン信号受信システムの構成を示す
ブロック図FIG. 5 is a block diagram showing a configuration of a conventional remote control signal receiving system.
１ リモコン信号送信回路 ２ リモコン信号受信回路 ３ リモコン信号識別回路 ４ デコード回路 ５ ラッチ回路 ６ 電源制御回路 ７ 電源回路 1 Remote Control Signal Transmission Circuit 2 Remote Control Signal Reception Circuit 3 Remote Control Signal Identification Circuit 4 Decode Circuit 5 Latch Circuit 6 Power Supply Control Circuit 7 Power Supply Circuit
Claims (1)
回送出する赤外線送信方式リモコン信号送信手段と、 前記赤外線送信方式リモコン信号送信手段から送出され
た赤外線信号を受信して前記赤外線信号を電気信号に変
換する赤外線受信方式リモコン信号受信手段と、 前記赤外線受信方式リモコン信号受信手段に電源を供給
するための電源供給手段と、 受信した前記赤外線信号がリモコン信号かどうかを識別
してリモコン信号のみを選択するリモコン信号識別手段
と、 前記リモコン信号識別手段によって選択されたリモコン
信号を制御信号にデコードするデコード手段と、 デコードされた制御信号を保持しておく制御信号保持手
段とを具備するリモコン信号受信システムであって、 前記リモコン信号識別手段においてリモコン信号が検出
された場合、リモコン信号が入力されていることが電源
制御手段に入力され、前記電源制御手段は、リモコン信
号が入力されている間だけ前記電源供給手段を制御し、
前記赤外線受信方式リモコン信号受信手段に対して電源
供給を行い、リモコン信号が入力されなくなると前記電
源制御手段は前記電源供給手段を制御し、前記赤外線受
信方式リモコン信号受信手段に対して間欠電源供給する
ことを特徴とするリモコン信号受信システム。1. An infrared transmission type remote control signal transmitting means for transmitting the same remote control signal a plurality of times for one command, and an infrared signal transmitted from the infrared transmission type remote control signal transmitting means for receiving the infrared signal as an electric signal. Infrared reception type remote control signal receiving means for converting into infrared rays, power supply means for supplying power to the infrared reception type remote control signal receiving means, and identifying whether the received infrared signal is a remote control signal or not, and detecting only the remote control signal. Remote control signal reception including selection remote control signal identification means, decoding means for decoding the remote control signal selected by the remote control signal identification means into a control signal, and control signal holding means for holding the decoded control signal A system, wherein the remote control signal is detected by the remote control signal identification means. If the remote control signal is input, it is input to the power supply control means, and the power supply control means controls the power supply means only while the remote control signal is input,
Power is supplied to the infrared reception type remote control signal receiving means, and when the remote control signal is not input, the power supply control means controls the power supply means to supply intermittent power to the infrared reception type remote control signal receiving means. A remote control signal receiving system characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5026194A JPH07264674A (en) | 1994-03-22 | 1994-03-22 | Remote control signal reception system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5026194A JPH07264674A (en) | 1994-03-22 | 1994-03-22 | Remote control signal reception system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07264674A true JPH07264674A (en) | 1995-10-13 |
Family
ID=12854041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5026194A Pending JPH07264674A (en) | 1994-03-22 | 1994-03-22 | Remote control signal reception system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07264674A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010088360A (en) * | 2000-03-09 | 2001-09-26 | 구자홍 | An apparatus for reducing standby power of electrical appliciances |
| JP2002238088A (en) * | 2001-02-09 | 2002-08-23 | New Japan Radio Co Ltd | Remote control light-receiving device |
| JP2005268845A (en) * | 2004-03-16 | 2005-09-29 | Chofu Seisakusho Co Ltd | Radio communication system, relay communication device and reception terminal communication device |
| US20110254722A1 (en) * | 2010-04-15 | 2011-10-20 | Rohm Co., Ltd. | Remote control signal receiver and electrical apparatus |
| JP2012135036A (en) * | 2012-03-07 | 2012-07-12 | Rohm Co Ltd | Remote control signal receiver and electrical apparatus using the same |
-
1994
- 1994-03-22 JP JP5026194A patent/JPH07264674A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010088360A (en) * | 2000-03-09 | 2001-09-26 | 구자홍 | An apparatus for reducing standby power of electrical appliciances |
| JP2002238088A (en) * | 2001-02-09 | 2002-08-23 | New Japan Radio Co Ltd | Remote control light-receiving device |
| JP2005268845A (en) * | 2004-03-16 | 2005-09-29 | Chofu Seisakusho Co Ltd | Radio communication system, relay communication device and reception terminal communication device |
| JP4558355B2 (en) * | 2004-03-16 | 2010-10-06 | 株式会社長府製作所 | Wireless communication system, relay communication apparatus, and receiving end communication apparatus |
| US20110254722A1 (en) * | 2010-04-15 | 2011-10-20 | Rohm Co., Ltd. | Remote control signal receiver and electrical apparatus |
| JP2011228766A (en) * | 2010-04-15 | 2011-11-10 | Rohm Co Ltd | Remote control signal receiver and electrical apparatus using the same |
| JP2012135036A (en) * | 2012-03-07 | 2012-07-12 | Rohm Co Ltd | Remote control signal receiver and electrical apparatus using the same |
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