Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1976-02-20
1977-08-09
Miller, Jr., Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307261, 307262, 328 26, 328 28, 328 32, 328131, 361196, H03K 513, H01H 4718
Patent
active
040413349
ABSTRACT:
A control circuit includes two full-wave rectifiers connected to an AC power source to produce two rectified outputs having different phases with respect to each other, a combining circuit for combining the two rectified outputs to produce a composite output, and a switching means controlled by the composite output. The switching means generates a control signal nearly at the same time that the AC power supply is switched on or off. The control signal is used to energize a device at a delayed time after the AC power supply is switched on, and to de-energize the device substantially at the same time that the AC power supply is switched off.
REFERENCES:
patent: 2292100 (1942-08-01), Bliss
patent: 2598491 (1952-05-01), Bergfors
patent: 3054062 (1962-09-01), Vonarburg
patent: 3443126 (1969-05-01), Meyer
patent: 3558925 (1971-01-01), Broverman
patent: 3575639 (1971-04-01), Shaw et al.
patent: 3582715 (1971-06-01), Traina
patent: 3683301 (1972-08-01), Boley et al.
patent: 3835352 (1974-09-01), Clarke
Eslinger Lewis H.
Miller, Jr. Stanley D.
Sinderbrand Alvin
Sony Corporation
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