JPH0443898U - - Google Patents

Info

Publication number
JPH0443898U
JPH0443898U JP8593090U JP8593090U JPH0443898U JP H0443898 U JPH0443898 U JP H0443898U JP 8593090 U JP8593090 U JP 8593090U JP 8593090 U JP8593090 U JP 8593090U JP H0443898 U JPH0443898 U JP H0443898U
Authority
JP
Japan
Prior art keywords
circuit
vehicle
flashing
control pulse
warning light
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
Application number
JP8593090U
Other languages
English (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 JP8593090U priority Critical patent/JPH0443898U/ja
Publication of JPH0443898U publication Critical patent/JPH0443898U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図乃至第６図は本考案車載警光灯の点滅回
路の実施の一例を示すものであり、第１図は電球
点灯回路の構成を示す回路図、第２図はＦＥＴの
入力段における等価回路を示すものであり、Ａは
制御パルスの立ち上がり時における等価回路図、
Ｂは制御パルスの立ち下がり時における等価回路
図、第３図は各部の信号波形を概略的に示す波形
図、第４図は車載警光灯の一部を切欠いて示す正
面図、第５図は回転灯の構造を概略的に示すもの
であり、Ａは斜視図、Ｂは底面図、第６図はコン
トロール回路の概要を示す回路ブロツク図、第７
図は従来の電球点灯回路の一例を示す回路図、第
８図は問題点を説明するための概略波形図である
。 符号の説明、１……車載警光灯、９……電球、
２３，２４……点滅回路、３２，３３，３５……
エツジ緩和手段。

Claims (1)

  1. 【実用新案登録請求の範囲】 矩形波状の制御パルスの入力に対応したパルス
    電流を電球に供給することで電球の点滅動作を行
    なう車載警光灯の点滅回路であつて、 パルス電流の立ち上がり及び／又は立ち下がり
    時における傾斜が緩やかになるように制御パルス
    に対して波形操作を行なうエツジ緩和手段を設け
    た ことを特徴とする車載警光灯の点滅回路。
JP8593090U 1990-08-15 1990-08-15 Pending JPH0443898U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8593090U JPH0443898U (ja) 1990-08-15 1990-08-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8593090U JPH0443898U (ja) 1990-08-15 1990-08-15

Publications (1)

Publication Number Publication Date
JPH0443898U true JPH0443898U (ja) 1992-04-14

Family

ID=31635302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8593090U Pending JPH0443898U (ja) 1990-08-15 1990-08-15

Country Status (1)

Country Link
JP (1) JPH0443898U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660999U (ja) * 1993-02-01 1994-08-23 アルプス電気株式会社 ランプ調光装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671296A (en) * 1979-11-15 1981-06-13 Matsushita Electric Industrial Co Ltd Circuit for incandescent bulb circuit
JPS62132173A (ja) * 1985-12-04 1987-06-15 Toyobo Co Ltd 免疫学的物質の定量法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5671296A (en) * 1979-11-15 1981-06-13 Matsushita Electric Industrial Co Ltd Circuit for incandescent bulb circuit
JPS62132173A (ja) * 1985-12-04 1987-06-15 Toyobo Co Ltd 免疫学的物質の定量法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660999U (ja) * 1993-02-01 1994-08-23 アルプス電気株式会社 ランプ調光装置
DE4403025B4 (de) * 1993-02-01 2006-07-06 Alps Electric Co., Ltd. Helligkeitssteuerung für eine Kraftfahrzeuglampe

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