Protective device for lighting system used in motor vehicle

Details Protective device for lighting system used in motor vehicle Protective device for lighting system used in motor vehicle

1994-07-14

1996-05-14

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

307 108, 307106, 315 76, 315 77, 315 82, 340428, 340458, H02J 100, B60Q 100

Patent

active

055170641

ABSTRACT:
A protective device for a lighting system to be used for a motor vehicle constituting a power supply and a light source energized with the power from the power supply. The power to be supplied to the light source is controlled by a driver. The driver is input with either a signal from a PWM pulse generator or a signal from a fixed duty pulse generator for the control of power to be supplied to the light source, and the changeover of these pulse generators is operated based on a detection signal from a voltage detector which monitors the voltage of the power supply.

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patent: 5440208 (1995-08-01), Uskali et al.
patent: 5449973 (1995-09-01), Yamashita et al.

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