Electric lamp and discharge devices: systems – Special application – Vehicle
Patent
1995-09-25
1997-08-26
Lee, Benny
Electric lamp and discharge devices: systems
Special application
Vehicle
315137, 307 108, B60Q 102
Patent
active
056613687
ABSTRACT:
In one embodiment of the present invention, a daytime running lamp (DRL) system for a motor vehicle includes a switchable connection from the headlamps of the vehicle to the neutral connection of the vehicle's alternator. Compared with the full system voltage of the vehicle, the neutral connection of the alternator is a lower-voltage source which can drive the headlamps at reduced brightness. Such reduced brightness is a typical characteristic of DRL systems. The system disclosed herein can be more cost-effective and provide greater energy efficiency than alternative DRL systems.
REFERENCES:
patent: 3706005 (1972-12-01), Carlson
patent: 4667282 (1987-05-01), Peterson
patent: 4816736 (1989-03-01), Dougherty et al.
patent: 4924371 (1990-05-01), Peterson
patent: 5168207 (1992-12-01), Follmer
Bush Thomas Alexander
Deol Satvir Singh
Nasser Ahmad Mustapha
Ford Motor Company
Lee Benny
Shingleton Michael
Sparschu Mark S.
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