Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1982-03-29
1984-05-29
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307516, H03D 1300
Patent
active
044517947
ABSTRACT:
A phase comparator includes a first signal input terminal supplied with a reference signal, a second signal input terminal supplied with an input signal to be compared with the reference signal, a first gate circuit having a pair of input terminals and an output terminal, one of the pair of input terminals of which is connected to the first signal input terminal, a second gate circuit having a pair of input terminals and an output terminal, one of the pair of input terminals of which is connected to the second signal input terminal, a first bi-stable circuit having set, reset and output terminals, the set terminal of which is connected to the output terminal of the first gate circuit, a second bi-stable circuit having set, reset and output terminals, the set terminal of which is connected to the output terminal of the second gate circuit, and first and second gate control circuits connected between the other input terminals of the first and second gate circuits and the output terminals of the first and second bi-stable circuits operative to open one of the first and second gate circuit alternately. The output signal proportional to the phase difference between the input signal and the reference signal is produced at one of the output terminals of the first and second bi-stable circuit in accordance with whether the input signal phase-advances more than the reference signal or not.
REFERENCES:
patent: 3430148 (1969-02-01), Miki
patent: 3610954 (1971-10-01), Treadway
patent: 3626307 (1971-12-01), Koyama
patent: 4277754 (1981-07-01), Minakuchi
patent: 4291274 (1981-09-01), Suzuki et al.
Heyman John S.
Sony Corporation
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