Apparatus for the wireless transmission of a control signal to t

Details Apparatus for the wireless transmission of a control signal to t Apparatus for the wireless transmission of a control signal to t

1975-06-05

1976-06-29

Curtis, Marshall M.

Communications: electrical

Digital comparator systems

325 23, 325 37, H04B 100

Patent

active

039672441

ABSTRACT:
A circuit arrangement for the wireless transmission of a control signal to the control path of a semiconductor valve. In particular, the circuit arrangement is provided with a separating filter which is connected to a remote-indication receiver and which is arranged between the high-frequency transmitter and the transmitting antenna of the circuit arrangement. Specifically, the filter includes two directional couplers which are separated by a distance equal to one-eighth of the wavelength of the carrier frequency transmitted by the high frequency transmitter.

REFERENCES:
patent: 3160812 (1964-12-01), Scantlin
patent: 3521267 (1970-07-01), Lester et al.
patent: 3522536 (1970-08-01), Reynolds
patent: 3638174 (1972-01-01), Haase et al.
patent: 3699444 (1972-10-01), Ghose
patent: 3747108 (1973-07-01), Ringer
patent: 3835454 (1974-09-01), Palmieri et al.

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