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
Application number
JP17999884U
Other languages
Japanese (ja)
Other versions
JPH0228111Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984179998U priority Critical patent/JPH0228111Y2/ja
Publication of JPS6194446U publication Critical patent/JPS6194446U/ja
Application granted granted Critical
Publication of JPH0228111Y2 publication Critical patent/JPH0228111Y2/ja
Expired legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] 車体の傾きに応じたグレイコード信号を出力す
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.
JP1984179998U 1984-11-29 1984-11-29 Expired JPH0228111Y2 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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