Receiver device

Details Receiver device Receiver device

2006-12-12

2006-12-12

Anderson, Matthew D. (Department: 2618)

Telecommunications

Transmitter and receiver at same station

With transmitter-receiver switching or interaction prevention

C455S254000, C455S217000, C455S272000

Reexamination Certificate

active

07149480

ABSTRACT:
A receiver device for receiving incoming radio waves by using a plurality of antennas, which is capable of improving the maximum input sensitivity is provided. In the receiver device, a switching unit switches to an antenna having the lower antenna gain as a new receiving antenna on the precondition that when receiving incoming radio waves by one particular antenna currently set as the receiving antenna, if a reception level of this particular antenna becomes a level close to the maximum input sensitivity of a signal processing unit, then the reception condition is satisfactory. Consequently, it is possible to improve the maximum input sensitivity and forestall the occurrence of waveform distortion and the like.

REFERENCES:
patent: 6018651 (2000-01-01), Bruckert et al.
patent: 6188879 (2001-02-01), Imamura
patent: 6278869 (2001-08-01), Lindenmeier et al.
patent: 6289036 (2001-09-01), Saito et al.
patent: 6330433 (2001-12-01), Jager
patent: 6571090 (2003-05-01), Moriyama et al.
patent: 411225099 (1998-02-01), None
patent: 10093503 (1998-04-01), None

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