Electric lamp and discharge devices: systems – Special application – Vehicle
Patent
1992-10-23
1994-10-18
Sikes, William L.
Electric lamp and discharge devices: systems
Special application
Vehicle
315 84, 307 108, B60Q 100, B60Q 700
Patent
active
053571690
ABSTRACT:
A switching apparatus for an interior light in a motor vehicle allows a user to set a delay period from the time when an off command was issued to a room light in the motor vehicle to the time when the light is actually turned off. The switching apparatus turns on and off a room light R in the motor vehicle. The switching apparatus comprises a limit switch 1 for issuing the off command to the room light R when a door is opened, a delay circuit 3 for generating a delay period from the time when the off command as issued to the light R to the time when the light R is to be turned off, and a regulator 4 for regulating the delay period generated by the delay circuit 3. It is possible for the user to set a desired lighting period by regulating the delay period, giving the motor vehicle high quality and versatility.
REFERENCES:
patent: 4122371 (1978-10-01), Talmage et al.
patent: 4123668 (1978-10-01), Pecota
patent: 4403172 (1983-09-01), Sasaki et al.
patent: 4473781 (1984-09-01), Fuchshuber
patent: 4517469 (1985-05-01), Bier
patent: 4638174 (1987-01-01), Bier
patent: 4866345 (1989-09-01), Katsoka
patent: 5047688 (1991-09-01), Alten
Inamori Nobuya
Toyozumi Morihiko
Dudek Jim A.
Sikes William L.
Sumitomo Wiring Systems Ltd.
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