Frequency divider

Details Frequency divider Frequency divider

1985-07-24

1987-03-31

Wong, Peter S.

Electricity: power supply or regulation systems

External or operator controlled

Phase controlled switching using electronic tube or a three...

323242, H02J 100

Patent

active

046545794

ABSTRACT:
The frequency of an alternating current can be divided with a novel frequency divider, comprising a thyristor connected in series to main current circuit; a counting circuit (e.g. decimal counter or RC-time constant circuit); a trigger circuit for the thyristor, associated with the counting circuit; and a reset circuit. With use of the apparatus, half- or whole-cycle(s) of an alternating current can be supplied to ac appliance at desirable wave intervals.

REFERENCES:
patent: 3691404 (1972-09-01), Swygert, Jr.
patent: 3950657 (1976-04-01), Sheng et al.
patent: 3958172 (1976-05-01), Beck
patent: 4256951 (1981-03-01), Payne et al.
patent: 4282422 (1981-08-01), Payne et al.
patent: 4287468 (1981-09-01), Sherman
patent: 4377739 (1983-03-01), Eckert, Jr. et al.

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