The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 28, 1987
Filed:
Jul. 17, 1986
Tadashi Iwamoto, Hiroshima, JP;
Toshiki Ikeda, Hiroshima, JP;
Kazuo Yukitomo, Hiroshima, JP;
Masaichi Hattori, Aichi, JP;
Kaneyasu Arakawa, Aichi, JP;
Koichi Kihira, Aichi, JP;
Akira Hanaki, Aichi, JP;
Mazda Motor Corporation, Aichi, JP;
Abstract
There is provided a dimmer passing device for a headlamp of a vehicle having a light switch which drives a light relay when it is on, a momentary control switch which activates the light relay when it is on, a latch circuit which alternately turns on and off an internal switching element in response to the on state of the momentary control switch, and a dimmer relay which causes the light relay to energize a low beam of the headlamp when the internal switching element is turned off and which causes the light relay to energize a high beam of the headlamp when the internal switching element is turned on.