Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1978-10-05
1980-12-23
Zazworksy, John
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307269, 307358, 328139, 328151, H03K 5153
Patent
active
042413095
ABSTRACT:
A method and apparatus are described for developing a series of synchronizing pulses related to a series of input pulses of variable amplitude above a background noise level. A first signal is developed proportional to the derivative of the rising or falling portion (or both) of each of the input pulses. A second signal is developed related to the first signal and having a decay characteristic such that the amplitude of the second signal becomes equal to the amplitude of the first signal at a threshold point which is proportional to the amplitude of the first signal. The synchronizing pulses are developed related to respective threshold points whereby the phase of the synchronizing signal is not dependent on the amplitude of the input pulses.
REFERENCES:
patent: 3348065 (1967-10-01), Schmidt
patent: 3804979 (1974-04-01), Knowles
patent: 4156202 (1979-05-01), Takahashi
Andros Incorporated
Zazworksy John
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