Power supply circuit of a television receiver used in a automobi

Details Power supply circuit of a television receiver used in a automobi Power supply circuit of a television receiver used in a automobi

1985-07-05

1987-04-21

Wong, Peter S.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 97, 323266, 323299, 358190, H02M 3335

Patent

active

046601350

ABSTRACT:
A power supply circuit for a television receiver used in an automobile having either a 12 volt or 24 volt storage battery. The power supply circuit outputs a constant voltage whether connected from a storage battery of 12 volts or 24 volts thereby effecting stable operation of a TV set. A first constant voltage source is activated by an input of 12 volts and the output therefrom is boosted by a booster voltage circuit. A switch means is activated by an input of 24 volts and functions to disable the first voltage source means. A second voltage source means is activated by an input of 24 volts and outputs a constant voltage directly to a horizontal output circuit.

REFERENCES:
patent: 4079294 (1978-03-01), Teuling

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