Voltage power supply

Details Voltage power supply Voltage power supply

1978-03-31

1980-02-05

Miller, J. D.

Electric power conversion systems

Current conversion

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

363 60, 358190, H02M 3335

Patent

active

041875354

ABSTRACT:
A voltage power supply, particularly one which is especially suitable for providing a relatively high DC voltage output of rapidly changing amplitude adapted to drive a cathode ray tube (CRT), is disclosed herein. This voltage supply includes circuitry adapted for connection to a relatively low amplitude (actually magnitude) DC voltage input for first converting this input to an AC voltage output and then converting the AC voltage output to a DC drive voltage having a fixed amplitude substantially higher than the DC voltage input. This higher amplitude DC voltage is applied to voltage varying circuitry, specifically a pullup and pulldown circuit arrangement, for producing at its output an adjustable DC output voltage having an amplitude which does not exceed the amplitude of the drive voltage. A voltage adjusting circuit is connected to this latter circuit arrangement and is also adapted for connection to a coded signal for rapidly changing the amplitude of the adjustable output voltage in response thereto.

REFERENCES:
patent: 3402342 (1968-09-01), Wagner
patent: 3553459 (1971-01-01), Siedband
patent: 3573595 (1971-04-01), Galluppi
patent: 4013936 (1977-03-01), Hesler et al.

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