Precision time duration detector

Details Precision time duration detector Precision time duration detector

1980-05-27

1982-07-27

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328109, 307351, H03K 5153

Patent

active

043419640

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: 3524075 (1970-08-01), Matthews et al.
patent: 3600688 (1971-08-01), Booth
patent: 3634869 (1972-01-01), Hsueh
patent: 3838341 (1974-09-01), Gaines
patent: 4114106 (1978-09-01), Martensson
patent: 4219152 (1980-08-01), Couch et al.

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