Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
Patent
1982-07-16
1984-12-04
Wong, Peter S.
Electric power conversion systems
Current conversion
Including d.c.-a.c.-d.c. converter
363 97, H02M 3335
Patent
active
044868219
ABSTRACT:
A power source for a developing bias comprises an input power source, a standard voltage generating means which generates standard voltage employing the input power source, a pulse transformer on which the standard voltages are impressed as a direct current voltage to be switched on and off, clock pulse generating means which generates clock pulses with a fixed cycle and fixed duty ratio, and switching means driven by the clock pulses for switching the pulse transformer to provide a regulated output voltage. The circuit of the invention eliminates the need for a feedback loop to compensate for load variations.
REFERENCES:
patent: 3376489 (1968-04-01), Crayton
patent: 3742330 (1973-06-01), Hodges et al.
patent: 4251857 (1981-02-01), Shelly
Bierman Jordan B.
Konishiroku Photo Industry Co,., Ltd.
Wong Peter S.
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