JPS59170035U - headlight control circuit - Google Patents
headlight control circuitInfo
- Publication number
- JPS59170035U JPS59170035U JP6548783U JP6548783U JPS59170035U JP S59170035 U JPS59170035 U JP S59170035U JP 6548783 U JP6548783 U JP 6548783U JP 6548783 U JP6548783 U JP 6548783U JP S59170035 U JPS59170035 U JP S59170035U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- circuit
- vehicle speed
- output
- comparison section
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案によるヘッドライト制御回路の一実施例
を示す回路図、第２図は第１図に示す回路の動作範囲を
示す特性図である。
１・・・・・・超音波距離測定回路、２・曲・送波器、
３・・・・・・受波器、４，７．１１・・曲比較器、５
，８゜１０．１６・・・・・・可変抵抗器、６・・・・
・・車速検出回路、９・・・・・・停車検出回路、１２
．２１・・・・・・アントゲ−・ト回路、１３・・・・
・・オアゲート回路、１４・・・・・・微分回路、１５
・・・・・・ワンショットマルチバイブレータ回路、１
７・・・・・・コンデンサ、１８・・・・・・ヘッドラ
イト、１９・・・・・・トランジスタ。
−１沈ン。
１゛←１０ １FIG. 1 is a circuit diagram showing an embodiment of a headlight control circuit according to the present invention, and FIG. 2 is a characteristic diagram showing the operating range of the circuit shown in FIG. 1. 1... Ultrasonic distance measurement circuit, 2. Song/transmitter,
3... Receiver, 4, 7.11... Song comparator, 5
, 8゜10.16... Variable resistor, 6...
...Vehicle speed detection circuit, 9...Stop detection circuit, 12
．． 21... Ant gate circuit, 13...
...OR gate circuit, 14... Differential circuit, 15
...One-shot multivibrator circuit, 1
7...Capacitor, 18...Headlight, 19...Transistor. -1 sink. 1゛←10 1
Claims (1)
の超音波距離測定回路の出力信号が予め定められた距離
よりも短い値を示す時に出力を発生する第１の比較部と
、自己車輛の車速を検出する車速検出回路と、この車速
検出回路の出力信号が予め定められた車速よりも低い時
に出力を発生する第２の比較部と、前記第１の比較部と
第２の比較部から発生される出力信号の一致を求めるア
ンドゲート回路と、自己車輛の停止を検出する停車検出
回路と、前記アンドゲート回路の出力信号または前記停
車検出回路の出力信号により制御されてヘッドライトの
減光または清澄の制御を行なうトランジスタとを備えた
ヘッドライト制御回路。an ultrasonic distance measuring circuit that measures the distance to the vehicle in front; a first comparator that generates an output when the output signal of the ultrasonic distance measuring circuit indicates a value shorter than a predetermined distance; a vehicle speed detection circuit that detects the vehicle speed of the vehicle; a second comparison section that generates an output when the output signal of the vehicle speed detection circuit is lower than a predetermined vehicle speed; and the first comparison section and the second comparison section. an AND gate circuit that seeks coincidence of output signals generated from the vehicle; a stop detection circuit that detects the stop of the own vehicle; A headlight control circuit equipped with a transistor that controls light or clarity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6548783U JPS59170035U (en) | 1983-04-30 | 1983-04-30 | headlight control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6548783U JPS59170035U (en) | 1983-04-30 | 1983-04-30 | headlight control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59170035U true JPS59170035U (en) | 1984-11-14 |
| JPS6336842Y2 JPS6336842Y2 (en) | 1988-09-29 |
Family
ID=30195687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6548783U Granted JPS59170035U (en) | 1983-04-30 | 1983-04-30 | headlight control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59170035U (en) |
-
1983
- 1983-04-30 JP JP6548783U patent/JPS59170035U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6336842Y2 (en) | 1988-09-29 |
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