JPH0411152U - - Google Patents
Info
- Publication number
- JPH0411152U JPH0411152U JP1990051877U JP5187790U JPH0411152U JP H0411152 U JPH0411152 U JP H0411152U JP 1990051877 U JP1990051877 U JP 1990051877U JP 5187790 U JP5187790 U JP 5187790U JP H0411152 U JPH0411152 U JP H0411152U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- control
- turns
- illumination
- 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
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Description
第１図はこの考案の一実施例である自動車用照
明灯制御回路の回路図、第２図は上記制御回路の
動作を説明するためのタイムチヤート、第３図は
上記制御回路の変形例を示す要部回路図、第４図
は照度検出器の一例を示す回路図、第５図はその
照度検出器の光量に対するヒステリシス特性を示
すグラフ、第６図は上記制御回路の他の変形例を
示す回路図である。
１……ドアスイツチ、２……アウタハンドルス
イツチ、３……イグニツシヨンキースイツチ、１
０……信号作成回路、１１，１５……アンドゲー
ト回路、１２……照度検出器、１３……トランジ
スタ、１４……照明灯、ｇ……制御信号、ｈ……
出力信号、ｉ……駆動信号。
Fig. 1 is a circuit diagram of an automotive lighting control circuit which is an embodiment of this invention, Fig. 2 is a time chart for explaining the operation of the above control circuit, and Fig. 3 is a modification of the above control circuit. 4 is a circuit diagram showing an example of an illuminance detector, FIG. 5 is a graph showing the hysteresis characteristic of the illuminance detector with respect to the amount of light, and FIG. 6 is a diagram showing another modification of the above control circuit. FIG. 1...Door switch, 2...Outer handle switch, 3...Ignition key switch, 1
0... Signal creation circuit, 11, 15... AND gate circuit, 12... Illuminance detector, 13... Transistor, 14... Lighting lamp, g... Control signal, h...
Output signal, i...drive signal.
Claims (1)
ムランプ用および乗員足元用等の自動車用照明灯
を、ドアの開動作又はアウタハンドルの操作に連
動して所定時間だけ点灯させる一方、前記所定時
間内にイグニツシヨンキーの挿入操作がなされる
と前記照明灯を消灯させる制御信号を作成する信
号作成回路と、前記制御信号に基づきオン・オフ
駆動されて前記照明灯を点灯制御するスイツチ手
段とを備えた自動車用照明灯の制御回路において
、 自動車の周囲の照度を検出する照度検出器と、 前記信号作成回路と前記スイツチ手段の間に接
続され、前記照度検出器の出力信号に基づき照度
が所定値を越えると前記制御信号による前記スイ
ツチ手段のオン・オフ制御を不能動化して前記照
明灯を消灯状態に保つゲート回路とを備えたこと
を特徴とする自動車用照明灯の制御回路。[Scope of Claim for Utility Model Registration] Automotive lighting for the ignition key hole, door key hole, room lamp, passenger footwell, etc., for a predetermined period of time in conjunction with the opening of the door or the operation of the outer handle. a signal generation circuit that generates a control signal that turns on the illumination light and turns off the illumination light when an ignition key is inserted within the predetermined time; and a signal generation circuit that turns on and off the illumination light based on the control signal. A control circuit for an automotive lighting lamp, comprising: an illuminance detector for detecting illuminance around the automobile; and an illuminance detector connected between the signal generation circuit and the switch means, the illumination detector being connected between the signal generating circuit and the switching means. and a gate circuit which disables the on/off control of the switching means based on the control signal to keep the lighting lamp in an off state when the illumination intensity exceeds a predetermined value based on the output signal of the motor vehicle. Light control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990051877U JPH0411152U (en) | 1990-05-17 | 1990-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990051877U JPH0411152U (en) | 1990-05-17 | 1990-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0411152U true JPH0411152U (en) | 1992-01-30 |
Family
ID=31571699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990051877U Pending JPH0411152U (en) | 1990-05-17 | 1990-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0411152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970037770A (en) * | 1995-12-29 | 1997-07-24 | 배순춘 | Automotive interior lighting system |
-
1990
- 1990-05-17 JP JP1990051877U patent/JPH0411152U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR970037770A (en) * | 1995-12-29 | 1997-07-24 | 배순춘 | Automotive interior lighting system |
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