Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1974-10-21
1976-04-13
Miller, Jr., Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307252B, 307252N, 307293, H03K 1700
Patent
active
039506576
ABSTRACT:
Clock pulses for a counter and trigger pulses for a thyristor switch are derived from the axis crossings of an alternating current signal. Logic circuits responsive to the counter determine the total number of trigger pulses supplied to the thyristor subsequent to a control signal transition or, in the alternative, delay application of the trigger pulses until a given number of axis crossings have occurred.
REFERENCES:
patent: 3452214 (1969-06-01), Martin
patent: 3691404 (1972-09-01), Swygert, Jr.
patent: 3735241 (1973-05-01), O'Sullivan
patent: 3764890 (1973-10-01), Caen
Hoover Merle Vincent
Sheng Abel Ching Nam
Christoffersen H.
Coalter R. G.
Cohen S.
Davis B. P.
Miller, Jr. Stanley D.
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