Timing waveform generator

Details Timing waveform generator Timing waveform generator

1979-07-27

1981-08-25

LaRoche, Eugene R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307262, 328 29, 328 63, 328164, 340658, H03K 1200

Patent

active

042862221

ABSTRACT:
A timing waveform generator which provides substantially noise immune timing waveforms in response to a polyphase source voltage suitable for thyristors. Each timing waveform is phase shifted from a reference sine wave using a combination of filtering and hysteresis, to achieve the total desired phase shift angle. The timing waveforms are also logically related to determine improper phase sequence and/or a missing phase.

REFERENCES:
patent: 3636379 (1972-01-01), Moe et al.
patent: 3713011 (1973-01-01), Johnson et al.
patent: 3750850 (1973-08-01), Winkler et al.
patent: 3909717 (1975-09-01), Gazzano
patent: 3958131 (1976-05-01), Mozdzer
patent: 4030570 (1977-06-01), Caputo
patent: 4052679 (1977-10-01), Hosoya
patent: 4155427 (1979-05-01), Caputo et al.

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