Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1982-05-03
1983-10-18
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307351, 307518, 328109, H03K 5153
Patent
active
044108176
ABSTRACT:
A detector for determining whether the time duration between a positive and a negative peak of a waveform is greater or less than a predetermined time interval comprises a delay line for delaying the waveform by the predetermined time interval. A peak detector of a first polarity for detecting the first occurring peak of the waveform is responsive to the delayed waveform to provide a signal upon the occurrence of the first occurring peak thereof. A peak detector of a second polarity for detecting the second occurring peak of the waveform is responsive to the undelayed waveform for providing a signal upon the occurrence of the second occurring peak thereof. A time sequence comparator provides a first output indication when the signal from the first peak detector occurs prior to the signal from the second peak detector and a second output indication when the signal from the second peak detector occurs prior to the signal from the first peak detector.
REFERENCES:
patent: 3588710 (1971-06-01), Masters
patent: 3600690 (1971-08-01), White
patent: 3646455 (1972-02-01), Coccagna
patent: 3735271 (1973-05-01), Leibowitz
patent: 3753130 (1973-08-01), Pezzutti
patent: 4179625 (1979-12-01), Carter
patent: 4318047 (1982-03-01), Dawson
Chi Chao S.
Craig John W.
Heyman John S.
Sperry Corporation
Terry Howard P.
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