JPS6194446U - - Google Patents
Info
- Publication number
- JPS6194446U JPS6194446U JP17999884U JP17999884U JPS6194446U JP S6194446 U JPS6194446 U JP S6194446U JP 17999884 U JP17999884 U JP 17999884U JP 17999884 U JP17999884 U JP 17999884U JP S6194446 U JPS6194446 U JP S6194446U
- Authority
- JP
- Japan
- Prior art keywords
- decoder
- encoder
- optical axis
- output
- circuit
- 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
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
Description
第1図は本考案の光軸調整装置の一例を示す回
路図、第2図は同じく光軸駆動装置の一例を示す
構成図、第3図は他の実施例を示す回路図である
。
1…第1のエンコーダ、2…第1のデコーダ、
3…ラツチ回路、4…第2のエンコーダ、5…第
2のデコーダ、6…演算回路、7…モータ駆動回
路、8…モータ、9…ドアスイツチ、10…タイ
マ回路。
FIG. 1 is a circuit diagram showing an example of the optical axis adjusting device of the present invention, FIG. 2 is a configuration diagram showing an example of the optical axis driving device, and FIG. 3 is a circuit diagram showing another embodiment. 1...first encoder, 2...first decoder,
3...Latch circuit, 4...Second encoder, 5...Second decoder, 6...Arithmetic circuit, 7...Motor drive circuit, 8...Motor, 9...Door switch, 10...Timer circuit.
Claims (1)
る第1のエンコーダと、前照灯の光軸の変化に応
じたグレイコード信号を出力する第2のエンコー
ダと、前記第1のエンコーダの出力信号を2進数
に変換する第1のデコーダと、前記第2のエンコ
ーダの出力信号を2進数に変換する第2のデコー
ダと、前記第1のデコーダの出力信号を保持する
ラツチ回路と、該ラツチ回路の出力と前記第2の
デコーダの出力とを比較する演算回路と、該演算
回路の出力に応じてモータを駆動するモータ駆動
回路と、このモータの駆動により前照灯の光軸方
向を変化させる光軸駆動装置と、車輌のドアの開
閉状態を検出するドアスイツチと、該ドアスイツ
チの信号を得て開始するタイマ回路とよりなり、
ドアを閉じた直後のみ自動的に光軸を調整すべく
なしたことを特徴とする前照灯の光軸調整装置。 A first encoder that outputs a gray code signal according to the inclination of the vehicle body, a second encoder that outputs a gray code signal according to the change in the optical axis of the headlight, and an output signal of the first encoder. a first decoder that converts the output signal of the second encoder into a binary number; a latch circuit that holds the output signal of the first decoder; and a latch circuit that holds the output signal of the first decoder. an arithmetic circuit that compares the output with the output of the second decoder; a motor drive circuit that drives a motor according to the output of the arithmetic circuit; and a light that changes the optical axis direction of the headlamp by driving the motor. It consists of a shaft drive device, a door switch that detects the open/closed state of the vehicle door, and a timer circuit that starts upon receiving a signal from the door switch.
A headlamp optical axis adjustment device characterized in that the optical axis is automatically adjusted only immediately after a door is closed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984179998U JPH0228111Y2 (en) | 1984-11-29 | 1984-11-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984179998U JPH0228111Y2 (en) | 1984-11-29 | 1984-11-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6194446U true JPS6194446U (en) | 1986-06-18 |
JPH0228111Y2 JPH0228111Y2 (en) | 1990-07-27 |
Family
ID=30737561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984179998U Expired JPH0228111Y2 (en) | 1984-11-29 | 1984-11-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0228111Y2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009083734A (en) * | 2007-10-01 | 2009-04-23 | Omron Corp | Headlight optical axis adjustment device |
JP2013071477A (en) * | 2011-09-26 | 2013-04-22 | Koito Mfg Co Ltd | Vehicle lamp control apparatus |
JP2013209061A (en) * | 2012-03-30 | 2013-10-10 | Fuji Heavy Ind Ltd | Optical axis control device of head lamp |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5963243A (en) * | 1982-09-30 | 1984-04-10 | Koito Mfg Co Ltd | Apparatus for adjusting optical axis of head lamp of vehicle |
-
1984
- 1984-11-29 JP JP1984179998U patent/JPH0228111Y2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5963243A (en) * | 1982-09-30 | 1984-04-10 | Koito Mfg Co Ltd | Apparatus for adjusting optical axis of head lamp of vehicle |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009083734A (en) * | 2007-10-01 | 2009-04-23 | Omron Corp | Headlight optical axis adjustment device |
JP2013071477A (en) * | 2011-09-26 | 2013-04-22 | Koito Mfg Co Ltd | Vehicle lamp control apparatus |
JP2013209061A (en) * | 2012-03-30 | 2013-10-10 | Fuji Heavy Ind Ltd | Optical axis control device of head lamp |
Also Published As
Publication number | Publication date |
---|---|
JPH0228111Y2 (en) | 1990-07-27 |
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