Switching diversity reception system

Details Switching diversity reception system Switching diversity reception system

1992-09-04

1994-08-16

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency or phase modulation

455222, 4552772, 375100, 375104, H04B 110, H04B 708

Patent

active

053394526

ABSTRACT:
A receiver includes a plurality of antennas, a selection switching unit for selectively switching between the plurality of antennas to output one of the respective output signals of the plurality of antennas having the largest induced voltage, and a unit for converting the selected one antenna output signal to an audio signal to be outputted as an output signal of the receiver. The receiver further includes a muting control unit for detecting the level of the induced voltage of the selected antenna output signal so as to output a muting control signal when the detected level of the induced voltage becomes smaller than a predetermined value, and a muting unit for muting the audio signal for a predetermined time on the basis of the muting control signal. The selection switching unit performs its antenna switching operation on the basis of the muting control signal.

REFERENCES:
patent: 3693088 (1972-09-01), Rustako, Jr. et al.
patent: 4041390 (1977-08-01), Schroeder
patent: 4244056 (1981-01-01), Hamada et al.
patent: 4525870 (1985-06-01), Fukuhara et al.
patent: 4633519 (1986-12-01), Gotoh et al.
patent: 4864642 (1989-09-01), Ueno et al.
patent: 4947456 (1990-08-01), Atkinson et al.

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