JPH097771A - Lighting switch device - Google Patents
Lighting switch deviceInfo
- Publication number
- JPH097771A JPH097771A JP7147841A JP14784195A JPH097771A JP H097771 A JPH097771 A JP H097771A JP 7147841 A JP7147841 A JP 7147841A JP 14784195 A JP14784195 A JP 14784195A JP H097771 A JPH097771 A JP H097771A
- Authority
- JP
- Japan
- Prior art keywords
- illuminance
- lamp
- lighting
- dimming
- signal
- 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.)
- Granted
Links
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、廊下や、寝室、或いは
トイレ等の照明ランプの点灯／消灯制御に用いる点灯ス
イッチ装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting switch device used for controlling lighting / extinction of a lighting lamp in a corridor, a bedroom, a toilet, or the like.
【０００２】[0002]
【従来の技術】従来、廊下や、寝室、或いはトイレ等の
ランプは壁スイッチの操作により点灯させるのが通常で
ある。この場合周囲の明るさには無関係にランプを全点
灯させていた。2. Description of the Related Art Conventionally, lamps for corridors, bedrooms, toilets, etc. are usually turned on by operating a wall switch. In this case, all the lamps were turned on regardless of the ambient brightness.
【０００３】[0003]
【発明が解決しようとする課題】ところで、周囲の照明
を消した暗い状態の夜間において、トイレへ行く場合等
に、ランプを点けると、周りが暗いため急に明るくなっ
て眩しさを感じてしまうという問題があり、特に就寝後
に小用でトイレに立つ場合など目からの刺激で覚醒し再
度の睡眠に就きにくいという問題があった。By the way, when the lamp is turned on when going to the toilet in the dark when the surrounding lights are turned off, when the lamp is turned on, the surroundings are dark and the brightness suddenly becomes dazzling. There is a problem that the person is awake and is difficult to get another sleep, especially when he / she stands in the bathroom for a short time after going to bed.
【０００４】この対策としては調光装置を用いて予め照
度を設定しておく方法も考えられるが、例えば周囲が明
るい状態において、寝室に入る場合、トイレに入る場合
にそこの照明が調光されていると、逆に暗く感じてしま
うという問題があった。本発明は上記問題点に鑑みて為
されたもので、請求項１の発明の目的とするところは周
囲の明るさに応じてランプの点灯状態を制御して、眩し
さや、暗さを感じさせることがない点灯スイッチ装置を
提供するにある。As a countermeasure against this, a method of setting the illuminance in advance by using a light control device is conceivable. For example, when the surroundings are bright, when entering a bedroom or entering a toilet, the illumination there is adjusted. However, there was a problem that it felt dark. The present invention has been made in view of the above problems, and an object of the invention of claim 1 is to control the lighting state of a lamp according to the brightness of the surroundings so as to make people feel glare or darkness. It is to provide a lighting switch device that does not exist.
【０００５】請求項２の発明の目的とするところは、請
求項１の発明の目的に加えて、周囲が暗い場合において
も必要に応じてランプを全点灯させることが簡単な操作
で行える点灯スイッチ装置を提供するにある。The object of the invention of claim 2 is that, in addition to the object of the invention of claim 1, a lighting switch capable of fully lighting the lamp as necessary even in a dark environment by a simple operation. To provide the equipment.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に請求項１の発明では、ランプの点灯を制御する点灯制
御手段と、周囲の明るさを検出する照度センサーと、操
作スイッチのオン、オフ操作を検出する操作検出部と、
上記照度センサーの検出信号と上記操作検出部の検出信
号とを取り込み、上記操作検出部からオン検出信号があ
ると、上記照度センサーの検出照度が予め設定した判定
値以上であるか否かを判定し、判定値以上であればラン
プを全点灯する制御信号を上記点灯制御手段に与え、判
定値未満であると全点灯時の照度レベルよりも低く設定
してある減光レベルまで所定比率で照度レベルを上昇さ
せながらランプを調光制御する制御信号を上記点灯制御
手段に与える制御部とを備えたものである。In order to achieve the above object, in the invention of claim 1, a lighting control means for controlling lighting of a lamp, an illuminance sensor for detecting ambient brightness, an operation switch being turned on, An operation detection unit that detects an off operation,
When the detection signal of the illuminance sensor and the detection signal of the operation detection unit are fetched, and when there is an ON detection signal from the operation detection unit, it is determined whether the detected illuminance of the illuminance sensor is equal to or more than a preset determination value. If it is equal to or more than the judgment value, a control signal for lighting all the lamps is given to the lighting control means, and if it is less than the judgment value, the illuminance is set at a predetermined ratio up to the dimming level set lower than the illuminance level at full lighting. And a control unit for giving a control signal for dimming the lamp while increasing the level to the lighting control means.
【０００７】請求項２の発明では、請求項１の発明にお
いて、上記減光レベルでの照度を上記判定値の照度以上
としたものである。According to a second aspect of the invention, in the first aspect of the invention, the illuminance at the dimming level is equal to or higher than the illuminance of the determination value.
【０００８】[0008]
【作用】請求項１の発明によれば、ランプの点灯を制御
する点灯制御手段と、周囲の明るさを検出する照度セン
サーと、操作スイッチのオン、オフ操作を検出する操作
検出部と、上記照度センサーの検出信号と上記操作検出
部の検出信号とを取り込み、上記操作検出部からオン検
出信号があると、上記照度センサーの検出照度が予め設
定した判定値以上であるか否かを判定し、判定値以上で
あればランプを全点灯する制御信号を上記点灯制御手段
に与え、判定値未満であると全点灯時の照度レベルより
も低く設定してある減光レベルまで所定率で照度レベル
を上昇させながらランプを調光制御する制御信号を上記
点灯制御手段に与える制御部とを備えたので、周囲が暗
い状態でランプを点灯させた場合、ランプの照度を全点
灯時の照度レベルよりも低い減光レベルまで徐々に上昇
させることができ、そのため眩しさを感じさせることが
なく、逆に周囲の照度が判定値より以上であればランプ
を全点灯させることができるため、逆に暗さを感じさせ
ない。According to the invention of claim 1, a lighting control means for controlling lighting of the lamp, an illuminance sensor for detecting ambient brightness, an operation detecting portion for detecting ON / OFF operation of the operation switch, The detection signal of the illuminance sensor and the detection signal of the operation detection unit are fetched, and when there is an ON detection signal from the operation detection unit, it is determined whether the detected illuminance of the illuminance sensor is equal to or more than a preset determination value. If it is equal to or more than the judgment value, a control signal for fully lighting the lamp is given to the lighting control means, and if it is less than the judgment value, the illuminance level is set at a predetermined rate up to the dimming level set lower than the illuminance level at full lighting. And a control unit that gives a control signal for dimming the lamp to the lighting control means while raising the lamp, so that when the lamp is lit in a dark environment, the illuminance level of the lamp at full lighting is It is possible to gradually increase to a lower dimming level, so that you do not feel dazzling, and conversely, if the surrounding illuminance is above the judgment value, you can turn on all the lamps. Do not feel the darkness.
【０００９】請求項２の発明によれば、上記減光レベル
での照度を上記判定値の照度以上としたので、周囲が暗
い状態でランプを一旦所定減光レベルまで点灯させた
後、短時間で操作スイッチ部をオフ−オン操作すること
により、ランプを全点灯させることができ、減光レベル
では必要とする明るさが得られない場合には大変有効な
機能であり、その切換操作も操作スイッチ部の簡単な操
作で行える。According to the second aspect of the present invention, the illuminance at the dimming level is set to be equal to or higher than the illuminance of the determination value. Therefore, after the lamp is once turned on to a predetermined dimming level in a dark environment, it is briefly You can turn all the lamps on and off by operating the operation switch section, and it is a very effective function when the required brightness is not obtained at the dimming level. It can be done by simple operation of the switch.
【００１０】[0010]
【実施例】以下、本発明の実施例を図面を参照して説明
する。図１は本発明の一実施例の全体の具体回路図を示
しており、操作スイッチのオン、オフ操作を検出する操
作検出部１と、周囲の照度を検出する照度センサー２
と、操作検出部１の検出信号と照度センサー２の検出照
度に基づいてランプＬＡの点灯を制御するための制御信
号を作る主制御部３と、ランプＬＡに接続する電源をオ
ンオフしてランプＬＡへの通電を開閉する電源開閉部４
と、主制御部３からの制御信号を受けて電源開閉部４の
オン、オフ期間を制御することによりランプＬＡの供給
電力を制御しランプＬＡを調光する調光制御部５と、商
用電源ＡＣから、上記操作検出部１、照度センサー２、
主制御部３、調光制御部５、電源開閉部４に電源を供給
する電源回路６とからなり、電源開閉部４と調光制御部
５とで点灯制御手段を、また主制御部３が点灯制御手段
を制御する制御部を構成する。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an overall specific circuit diagram of an embodiment of the present invention. An operation detection unit 1 for detecting ON / OFF operation of an operation switch and an illuminance sensor 2 for detecting ambient illuminance.
And a main control unit 3 that generates a control signal for controlling lighting of the lamp LA based on the detection signal of the operation detection unit 1 and the illuminance detected by the illuminance sensor 2, and the lamp LA by turning on / off the power supply connected to the lamp LA. Power supply opening / closing unit 4 that opens and closes electricity to
And a dimming control unit 5 for controlling the power supplied to the lamp LA and dimming the lamp LA by controlling the on / off period of the power supply opening / closing unit 4 in response to a control signal from the main control unit 3, and a commercial power supply. From AC, the operation detection unit 1, the illuminance sensor 2,
The main control unit 3, the dimming control unit 5, and a power supply circuit 6 that supplies power to the power supply opening / closing unit 4, the power supply opening / closing unit 4 and the dimming control unit 5 function as lighting control means, and the main control unit 3 A control unit that controls the lighting control unit is configured.
【００１１】ここで電源開閉部４としては例えばトライ
アック等の位相制御素子により構成され、主制御部３か
らの制御信号により略全導通し、調光制御部５からの位
相制御信号により所定位相で導通するようになってい
る。主制御部３は、操作検出部１から操作スイッチのオ
ン検出信号があると、オン検出信号が入力する前の照度
センサー２の検出照度Ｌが図２（ａ）に示す判定値Ｌ1
以上にあるか否かを判定し、検出照度Ｌが判定値Ｌ1 以
上であれば略全導通させるための制御信号Ｓ1 を電源開
閉部４に与え、検出照度Ｌが判定値Ｌ1 未満であると調
光制御させるための制御信号Ｓ2 を調光制御部５に与え
るようになっている。The power supply opening / closing unit 4 is composed of a phase control element such as a triac, and is almost completely turned on by a control signal from the main control unit 3, and is set to a predetermined phase by a phase control signal from the dimming control unit 5. It is designed to conduct electricity. When the main control unit 3 receives the ON detection signal of the operation switch from the operation detection unit 1, the detection illuminance L of the illuminance sensor 2 before the ON detection signal is input is the determination value L 1 shown in FIG.
Determines whether there are any more, given the control signals S 1 to be substantially full energization if detected illuminance L is judgment value L 1 or the power-off unit 4, the detection intensity L is less than the determination value L 1 If so, the control signal S 2 for controlling the dimming is given to the dimming controller 5.
【００１２】調光制御部５は主制御部３から制御信号Ｓ
2 を受け取ると、電源開閉部４に与える位相制御信号、
つまりトリガ信号の発生位相を、所定率でランプＬＡの
照度を上昇させるために、刻々変化させるようになって
いる。次に本実施例の回路の動作を説明する。今操作検
出部１が操作スイッチのオン操作を検出しその検出信号
を主制御部３に出力すると、主制御部３は検出信号が入
力する前の照度センサー２が検出していた照度Ｌが判定
値Ｌ1 以上にあるか否を判定し、図２（ａ）に示すよう
に照度Ｌが判定値Ｌ1 以上であれば、制御信号Ｓ1 を電
源開閉部４に送り電源開閉部４を全導通させる。従って
ランプＬＡに供給される電力は略定格１００％となり、
ランプＬＡは全点灯する。この時の照度を１００％とし
て示したのが図２（ｂ）に示すタイミングチャートであ
り、その後操作スイッチがオフ操作され、操作検出部１
からオフ操作信号が出力されると、主制御部３は制御信
号Ｓ1 をオフして、電源開閉部４をオフさせる。この電
源開閉部４のオフによりランプＬＡは消灯することにな
る。The dimming controller 5 receives a control signal S from the main controller 3.
When 2 is received, the phase control signal given to the power supply switching unit 4,
That is, the generation phase of the trigger signal is changed every moment in order to increase the illuminance of the lamp LA at a predetermined rate. Next, the operation of the circuit of this embodiment will be described. Now, when the operation detection unit 1 detects the ON operation of the operation switch and outputs the detection signal to the main control unit 3, the main control unit 3 determines the illuminance L detected by the illuminance sensor 2 before the detection signal is input. determines whether there is a value L 1 or more, if the luminance L as shown in FIG. 2 (a) the determination value L 1 or more, the power switching unit 4 sends the control signals S 1 to the power switching unit 4 total Make it conductive. Therefore, the electric power supplied to the lamp LA is almost 100% rated,
All the lamps LA are turned on. The illuminance at this time is shown as 100% in the timing chart shown in FIG. 2B. After that, the operation switch is turned off, and the operation detection unit 1
When the off operation signal is output from the main control unit 3, the main control unit 3 turns off the control signal S 1 and turns off the power supply opening / closing unit 4. The lamp LA is turned off by turning off the power supply opening / closing unit 4.
【００１３】次に周囲の照度が判定値Ｌ1 より低い場合
に、操作検出部１からオン操作の検出信号が出力される
と、主制御部３は検出信号が入力する前の照度センサー
２が検出していた照度Ｌが判定値Ｌ1 より低いので、制
御信号Ｓ2 を調光制御部５へ出力する。調光制御部５は
制御信号Ｓ2 を受け取ると、電源開閉部４に位相制御信
号を出力する。この場合位相制御信号たるトリガ信号の
発生位相を徐々に変化させる。このトリガ信号の発生位
相に応じて電源開閉部４は位相制御され、ランプＬＡの
供給電力を所定率で上昇させる。従ってランプＬＡの照
度は図２（ｂ）に示すように所定率で上昇することにな
る。調光制御部５はトリガ信号の発生位相がランプＬＡ
の照度レベルが予め定めた減光レベルＬ0 に達する位相
になると以後その発生位相を保持してトリガ信号を出力
する。従ってランプＬＡの照度は減光レベルＬ0 に保持
されることになる。つまり操作スイッチのオン操作から
ランプＬＡが点灯されその照度が減光レベルＬ0 に達す
る迄の期間がフェード点灯期間Ｔ0 となり、使用者に眩
しさを感じさせず、目からの刺激で覚醒し再度の睡眠に
つきにくいというようなことが防止できる。またフェー
ド点灯と減光点灯とにより同一室内で就寝している他の
人を起こしてしまう等の心配が軽減される。Next, when the illuminance of the surroundings is lower than the judgment value L 1 , when the detection signal of the ON operation is output from the operation detection unit 1, the main control unit 3 causes the illuminance sensor 2 before the detection signal is input. Since the detected illuminance L is lower than the determination value L 1 , the control signal S 2 is output to the dimming control unit 5. Upon receiving the control signal S 2 , the dimming control unit 5 outputs a phase control signal to the power supply opening / closing unit 4. In this case, the generation phase of the trigger signal which is the phase control signal is gradually changed. The phase of the power supply opening / closing unit 4 is controlled according to the generation phase of the trigger signal to increase the power supplied to the lamp LA at a predetermined rate. Therefore, the illuminance of the lamp LA increases at a predetermined rate as shown in FIG. The dimming control unit 5 determines that the phase of the trigger signal generated is the lamp LA.
When the illuminance level reaches a predetermined level of dimming level L 0 , the generated phase is maintained and a trigger signal is output thereafter. Therefore, the illuminance of the lamp LA is maintained at the dimming level L 0 . In other words, the period from when the operation switch is turned on until the lamp LA is turned on and the illuminance thereof reaches the dimming level L 0 is the fade-on period T 0 , and the user does not feel dazzling and awakens by stimulation from the eyes. It is possible to prevent the difficulty of getting to sleep again. Further, the fade lighting and the dimming lighting alleviate the fear of waking up another person sleeping in the same room.
【００１４】さてその後操作スイッチがオフ操作され
て、操作検出部１からオフ操作の検出信号が出力される
と主制御部３は制御信号Ｓ1 をオフして、電源開閉部４
をオフさせる。この電源開閉部４のオフによりランプＬ
Ａは消灯することになる。ところで本実施例では減光レ
ベルＬ0 での照度が上記判定値Ｌ1 より高くなるように
設定しているため、減光レベルＬ0 でランプＬＡが点灯
している状態で操作スイッチを短時間でオフ−オン操作
すると、ランプＬＡが図２（ｂ）に示すように短時間Ｔ
1 消灯するが、照度センサー２が新たに照度変化を検出
する迄に時間遅れがあるため、主制御部３がオン操作の
検出信号が入力した時に、照度センサー２から取り込ん
でいる照度レベルは消灯直前の減光レベルＬ0 での照度
レベルとなり、そのため主制御部３は制御信号Ｓ1 を電
源開閉部４に出力し、電源開閉部４を全導通させる。従
ってランプＬＡに供給される電力は略定格１００％とな
り、ランプＬＡは全点灯する。つまり必要に応じて操作
スイッチの操作により減光レベルＬ0 から全点灯に切り
換えることができるのである。After that, when the operation switch is turned off and the off detection signal is output from the operation detection section 1, the main control section 3 turns off the control signal S 1 and the power supply opening / closing section 4 is turned on.
Off. When the power supply opening / closing unit 4 is turned off, the lamp L
A will be turned off. By the way, in this embodiment, since the illuminance at the dimming level L 0 is set to be higher than the determination value L 1 , the operation switch is operated for a short time while the lamp LA is lit at the dimming level L 0. When the off-on operation is performed with the lamp LA, the lamp LA turns on for a short time T as shown in FIG.
1 Turns off, but since there is a time delay before the illuminance sensor 2 newly detects a change in illuminance, the illuminance level taken in from the illuminance sensor 2 is turned off when the main control unit 3 receives a detection signal for an ON operation. The illuminance level is the level of the immediately previous dimming level L 0 , and therefore the main control unit 3 outputs the control signal S 1 to the power supply opening / closing unit 4 to make the power supply opening / closing unit 4 fully conductive. Therefore, the electric power supplied to the lamp LA is substantially rated at 100%, and the lamp LA is fully turned on. That is, the dimming level L 0 can be switched to full lighting by operating the operation switch as required.
【００１５】[0015]
【発明の効果】請求項１の発明は、ランプの点灯を制御
する点灯制御手段と、周囲の明るさを検出する照度セン
サーと、操作スイッチのオン、オフ操作を検出する操作
検出部と、上記照度センサーの検出信号と上記操作検出
部の検出信号とを取り込み、上記操作検出部からオン検
出信号があると、上記照度センサーの検出照度が予め設
定した判定値以上であるか否かを判定し、判定値以上で
あればランプを全点灯する制御信号を上記点灯制御手段
に与え、判定値未満であると全点灯時の照度レベルより
も低く設定してある減光レベルまで所定率で照度レベル
を上昇させながらランプを調光制御する制御信号を上記
点灯制御手段に与える制御部とを備えたので、周囲が暗
い状態でランプを点灯させた場合、ランプの照度を全点
灯時の照度レベルよりも低い減光レベルまで徐々に上昇
させることができ、そのため眩しさを感じさせることが
なく、逆に周囲の照度が判定値より以上であればランプ
を全点灯させることができるため、逆に暗さを感じさせ
ないという効果がある。According to the invention of claim 1, lighting control means for controlling lighting of a lamp, an illuminance sensor for detecting ambient brightness, an operation detecting portion for detecting ON / OFF operation of an operation switch, The detection signal of the illuminance sensor and the detection signal of the operation detection unit are fetched, and when there is an ON detection signal from the operation detection unit, it is determined whether the detected illuminance of the illuminance sensor is equal to or more than a preset determination value. If it is equal to or more than the judgment value, a control signal for fully lighting the lamp is given to the lighting control means, and if it is less than the judgment value, the illuminance level is set at a predetermined rate up to the dimming level set lower than the illuminance level at full lighting. And a control unit that gives a control signal for dimming the lamp to the lighting control means while raising the lamp, so that when the lamp is lit in a dark environment, the illuminance level of the lamp at full lighting is It is possible to gradually increase to a lower dimming level, so that you do not feel dazzling, and conversely, if the surrounding illuminance is above the judgment value, you can turn on all the lamps. This has the effect of not making you feel dark.
【００１６】請求項２の発明は、上記減光レベルでの照
度を上記判定値の照度以上としたので、周囲が暗い状態
でランプを一旦所定減光レベルまで点灯させた後、短時
間で操作スイッチ部をオフ−オン操作することにより、
ランプを全点灯させることができ、減光レベルでは必要
とする明るさが得られない場合には大変有効な機能であ
り、その切換操作も操作スイッチ部の簡単な操作で行え
るという効果がある。According to the second aspect of the present invention, the illuminance at the dimming level is equal to or higher than the illuminance of the determination value. Therefore, after the lamp is once turned on to a predetermined dimming level in a dark environment, the lamp is operated in a short time. By turning the switch off and on,
This is a very effective function when all the lamps can be turned on and the required brightness cannot be obtained at the dimming level, and the switching operation can be performed by a simple operation of the operation switch section.
【図１】本発明の一実施例の回路構成図である。FIG. 1 is a circuit configuration diagram of an embodiment of the present invention.
【図２】同上の動作説明用タイミングチャートである。FIG. 2 is a timing chart for explaining the above operation.
【符号の説明】 １ 操作検出部 ２ 照度センサー ３ 主制御部 ４ 電源開閉部 ５ 調光制御部 ６ 電源回路 ＬＡ ランプ ＡＣ 商用電源 Ｓ1 ，Ｓ2 制御信号[Explanation of symbols] 1 operation detection unit 2 illuminance sensor 3 main control unit 4 power supply opening / closing unit 5 dimming control unit 6 power supply circuit LA lamp AC commercial power supply S 1 , S 2 control signal
Claims (2)
周囲の明るさを検出する照度センサーと、操作スイッチ
のオン、オフ操作を検出する操作検出部と、上記照度セ
ンサーの検出信号と上記操作検出部の検出信号とを取り
込み、上記操作検出部からオン検出信号があると、上記
照度センサーの検出照度が予め設定した判定値以上であ
るか否かを判定し、判定値以上であればランプを全点灯
する制御信号を上記点灯制御手段に与え、判定値未満で
あると全点灯時の照度レベルよりも低く設定してある減
光レベルまで所定比率で照度レベルを上昇させながらラ
ンプを調光制御する制御信号を上記点灯制御手段に与え
る制御部とを備えたこと特徴とする点灯スイッチ装置。1. A lighting control means for controlling lighting of a lamp,
An illuminance sensor that detects ambient brightness, an operation detection unit that detects ON / OFF operation of an operation switch, a detection signal of the illuminance sensor and a detection signal of the operation detection unit, and the operation detection unit is turned on. When there is a detection signal, it is determined whether the illuminance detected by the illuminance sensor is equal to or greater than a preset determination value, and if it is equal to or greater than the determination value, a control signal for turning on all the lamps is given to the lighting control means, and the determination If the value is less than the value, a control unit that gives a control signal to the lighting control means to control the dimming of the lamp while increasing the illuminance level at a predetermined ratio to the dimming level that is set lower than the illuminance level during full lighting. A lighting switch device characterized by being provided.
度以上としたことを特徴とする請求項１記載の点灯スイ
ッチ装置。2. The lighting switch device according to claim 1, wherein the illuminance at the dimming level is not less than the illuminance of the determination value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14784195A JP3739832B2 (en) | 1995-06-14 | 1995-06-14 | Lighting switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14784195A JP3739832B2 (en) | 1995-06-14 | 1995-06-14 | Lighting switch device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH097771A true JPH097771A (en) | 1997-01-10 |
| JP3739832B2 JP3739832B2 (en) | 2006-01-25 |
Family
ID=15439471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14784195A Expired - Lifetime JP3739832B2 (en) | 1995-06-14 | 1995-06-14 | Lighting switch device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3739832B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640464A (en) * | 2019-02-27 | 2019-04-16 | 上海客益电子有限公司 | A kind of pwm signal duty ratio control method and corresponding circuit and LED light |
-
1995
- 1995-06-14 JP JP14784195A patent/JP3739832B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109640464A (en) * | 2019-02-27 | 2019-04-16 | 上海客益电子有限公司 | A kind of pwm signal duty ratio control method and corresponding circuit and LED light |
| CN109640464B (en) * | 2019-02-27 | 2020-10-02 | 上海客益电子有限公司 | PWM signal duty ratio control method, corresponding circuit and LED lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3739832B2 (en) | 2006-01-25 |
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