Circuit keeping daytime head lamps on after engine and head lamp

Details Circuit keeping daytime head lamps on after engine and head lamp Circuit keeping daytime head lamps on after engine and head lamp

1997-03-03

1999-12-21

Vu, David H.

Electric lamp and discharge devices: systems

Special application

Vehicle

315 83, 307 108, H05B 3702

Patent

active

060053488

ABSTRACT:
A twilight delay apparatus includes an automatic switching unit for switching a daytime running light control unit to an actuated state for a predetermined time, the daytime running light control unit being used to light the right and left head lamps by switching them to a series connection even in the daytime in response to a lit state maintaining output of a twilight delay unit instead of the operation of the start of an engine.

REFERENCES:
patent: 3769519 (1973-10-01), Adamian
patent: 4841199 (1989-06-01), Irie
patent: 4928036 (1990-05-01), Abboud
patent: 5592146 (1997-01-01), Kover
patent: 5666028 (1997-09-01), Bechtel et al.

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