Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation
Patent
1996-11-27
1998-08-18
Vo, Nguyen
Telecommunications
Receiver or analog modulated signal frequency converter
Local control of receiver operation
455338, 455343, H04B 116
Patent
active
057970904
ABSTRACT:
A radio receiving apparatus includes a high-frequency amplifier, an intermediate-frequency amplifier, a reception electric field strength detector, and a control section. The high-frequency amplifier is connected to a signal line of a reception system for a radio signal and can be disconnected from the signal line. The intermediate-frequency amplifier is connected to the signal line on an output side of the first circuit element and can be disconnected from the signal line. The reception electric field strength detector detects the reception electric field level of a radio signal. The control section performs control to disconnect at least one of the first and second circuit elements from the signal line and also performs control to stop supplying power to the disconnected circuit element in accordance with the electric field level detected by the reception electric field strength detector.
REFERENCES:
patent: 4553105 (1985-11-01), Saski
patent: 4823398 (1989-04-01), Hashimoto
patent: 5230096 (1993-07-01), Davies et al.
patent: 5390357 (1995-02-01), Nobusawa et al.
patent: 5513386 (1996-04-01), Ogino et al.
NEC Corporation
Vo Nguyen
LandOfFree
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