Vehicular voltage regulating system

Details Vehicular voltage regulating system Vehicular voltage regulating system

1987-09-24

1989-06-06

Bertsch, Richard A.

Motor vehicles

With belt or harness for restraining occupant, and means...

System comprises ignition circuit or starter circuit or...

280802, B60R 2100

Patent

active

048363235

ABSTRACT:
A vehicular voltage regulating system is mounted on an automotive vehicle equipped with an on-board electronic control device which is required to operate even when an ignition switch is turned OFF. The electronic control device is adapted to control operation of a passive seat belt arrangement. The voltage regulating system is comprised of detecting means for detecting starting operation for the electronic control device and outputting a first signal. Voltage regulation commanding means is provided to command voltage regulation by outputting a second signal for a predetermined time from a time at which the detecting means outputs the first signal. Additionally, regulating means for regulating a first voltage supplied directly from an on-board battery of the vehicle into a second voltage at a predetermined level and supplying the second voltage to the electronic control device in response to the second signal from the voltage regulation commanding means, thereby making unnecessary so-called stand-by current to the electronic control circuit thus to prevent overdischarging of the battery.

REFERENCES:
patent: 3902074 (1973-12-01), Vota
patent: 3904884 (1975-09-01), Vota
patent: 4107645 (1978-08-01), Lewis et al.
patent: 4175633 (1979-11-01), Andres

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