Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1975-12-30
1977-06-14
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
325302, 325304, 307357, 307356, H04B 110
Patent
active
040300404
ABSTRACT:
A system, which selects the most desired signal from similar signals provided by two or more radio receivers, includes a signal quality detector and a comparator for each of the signals. Each detector provides an output signal level indicative of the quality of the signal to which that detector is responsive. A ramp signal is coupled in common to each comparator, and the comparator that first senses a detected output signal level equal to the ramp signal level causes the corresponding received signal to be gated to the output of the system.
REFERENCES:
patent: 3309510 (1967-03-01), Brown
patent: 3328697 (1967-06-01), Duncan et al.
patent: 3403341 (1968-09-01), Munch
patent: 3495175 (1970-02-01), Munch
patent: 3729682 (1973-04-01), Elder
patent: 3758867 (1973-09-01), Schulz
patent: 3831095 (1974-08-01), Mounce
patent: 3860872 (1975-01-01), Richardson et al.
patent: 3916325 (1975-10-01), Lund
Heyman John S.
Norton Edward J.
RCA Corporation
Troike Robert L.
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