JPS53107043A - Dimmer for head lamp - Google Patents

Dimmer for head lamp

Info

Publication number
JPS53107043A
JPS53107043A JP2097377A JP2097377A JPS53107043A JP S53107043 A JPS53107043 A JP S53107043A JP 2097377 A JP2097377 A JP 2097377A JP 2097377 A JP2097377 A JP 2097377A JP S53107043 A JPS53107043 A JP S53107043A
Authority
JP
Japan
Prior art keywords
head lamp
dimmer
street
brightness
switchingoff
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
JP2097377A
Other languages
Japanese (ja)
Inventor
Masatoshi Sugasawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co Ltd
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 Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Priority to JP2097377A priority Critical patent/JPS53107043A/en
Publication of JPS53107043A publication Critical patent/JPS53107043A/en
Pending legal-status Critical Current

Links

Landscapes

  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

PURPOSE: To prevent a dimmer for a head lamp, controlled in brightness in response to the brghtness in the street, from erroneously operating toward the switchingoff direction owing to the instantaneous brightness in the street by increasing the threshold value when deenergizing the head lamp.
COPYRIGHT: (C)1978,JPO&Japio
JP2097377A 1977-02-28 1977-02-28 Dimmer for head lamp Pending JPS53107043A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2097377A JPS53107043A (en) 1977-02-28 1977-02-28 Dimmer for head lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2097377A JPS53107043A (en) 1977-02-28 1977-02-28 Dimmer for head lamp

Publications (1)

Publication Number Publication Date
JPS53107043A true JPS53107043A (en) 1978-09-18

Family

ID=12042102

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2097377A Pending JPS53107043A (en) 1977-02-28 1977-02-28 Dimmer for head lamp

Country Status (1)

Country Link
JP (1) JPS53107043A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4970483A (en) * 1972-09-16 1974-07-08
JPS5120605U (en) * 1974-08-02 1976-02-16

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4970483A (en) * 1972-09-16 1974-07-08
JPS5120605U (en) * 1974-08-02 1976-02-16

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