Signal-powered receiver

Details Signal-powered receiver Signal-powered receiver

H - Electricity

04

B

325/97

H04B 1/18 (2006.01) B61L 23/16 (2006.01)

Patent

CA 1154831

(Case No. 7088) ABSTRACT OF THE DISCLOSURE A self powered receiver including a series resonant circuit tuned to the carrier frequency of a modulated carrier signal. A demodulator for detecting the envelope which switches a switching transistor ON during the mark portions of the modulator carrier signals and switches the switching transistor OFF during the space portions. A parallel resonant circuit is driven by the switching transistor to produce a.c. modulations to be coupled to a full-wave rectifier. The rectified voltage of the rectifier is used to energize an electromagnetic relay.

371422

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