JPS5820942U - Lamp disconnection detection device - Google Patents

Lamp disconnection detection device

Info

Publication number
JPS5820942U
JPS5820942U JP11539381U JP11539381U JPS5820942U JP S5820942 U JPS5820942 U JP S5820942U JP 11539381 U JP11539381 U JP 11539381U JP 11539381 U JP11539381 U JP 11539381U JP S5820942 U JPS5820942 U JP S5820942U
Authority
JP
Japan
Prior art keywords
case
detection device
disconnection detection
light source
lamp disconnection
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
JP11539381U
Other languages
Japanese (ja)
Other versions
JPS6335865Y2 (en
Inventor
和郎 佐藤
Original Assignee
トヨタ自動車株式会社
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 by トヨタ自動車株式会社 filed Critical トヨタ自動車株式会社
Priority to JP11539381U priority Critical patent/JPS5820942U/en
Publication of JPS5820942U publication Critical patent/JPS5820942U/en
Application granted granted Critical
Publication of JPS6335865Y2 publication Critical patent/JPS6335865Y2/ja
Granted legal-status Critical Current

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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

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

第１図は本考案に係る断線検知装置の構成図、第２図は
光感応素子の特性図、第３図は本考案に使用する光感応
素子の他の実施例を示す特性図である。 １・・・ケース、２・・・光感応素子、３・・・光ファ
イバー、４・・・光源、５・・・参照光源。FIG. 1 is a block diagram of a disconnection detection device according to the present invention, FIG. 2 is a characteristic diagram of a photosensitive element, and FIG. 3 is a characteristic diagram showing another embodiment of the photosensitive element used in the present invention. DESCRIPTION OF SYMBOLS 1... Case, 2... Photosensitive element, 3... Optical fiber, 4... Light source, 5... Reference light source.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ケースの一方の開口端部に光の透過率の変化する光感応
素子を嵌装し、該ケースの他端部に一端を光感応素子に
一定間隔をもって対向させ、他端□　　　を該ケースの
外部にある光源に近接して臨むようにした光ファイバー
を貫通させて設け、また、該ケースの下側内部に上記ケ
ースの外部にある光源より弱い光の光源を設けてなるこ
とを特徴とする自動車等におけるランプ断線検知装置。A photosensitive element whose light transmittance changes is fitted into one open end of the case, one end facing the photosensitive element at a constant distance from the other end of the case, and the other end facing the outside of the case. An automobile, etc., characterized in that an optical fiber is provided through the case so as to face the light source in close proximity to the case, and a light source that emits light weaker than the light source outside the case is provided inside the lower side of the case. Lamp disconnection detection device.
JP11539381U 1981-08-03 1981-08-03 Lamp disconnection detection device Granted JPS5820942U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11539381U JPS5820942U (en) 1981-08-03 1981-08-03 Lamp disconnection detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11539381U JPS5820942U (en) 1981-08-03 1981-08-03 Lamp disconnection detection device

Publications (2)

Publication Number Publication Date
JPS5820942U true JPS5820942U (en) 1983-02-09
JPS6335865Y2 JPS6335865Y2 (en) 1988-09-22

Family

ID=29909656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11539381U Granted JPS5820942U (en) 1981-08-03 1981-08-03 Lamp disconnection detection device

Country Status (1)

Country Link
JP (1) JPS5820942U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5643290U (en) * 1979-09-11 1981-04-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5643290U (en) * 1979-09-11 1981-04-20

Also Published As

Publication number Publication date
JPS6335865Y2 (en) 1988-09-22

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