Telecommunications – Receiver or analog modulated signal frequency converter – Frequency or phase modulation
Patent
1991-12-24
1995-04-18
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
Frequency or phase modulation
455221, 4552262, 375351, H04B 116
Patent
active
054086930
ABSTRACT:
A radio communication device (10) comprises a radio transceiver (12), having a received signal strength indicator (RSSI) (16), an audio section (22), and a controller (16) for deactivating the audio section whenever the RSSI indicates the the received signal strength is below a predetermined threshold. The controller also operates as a counter (26) for indicating the length of time that the received signal strength has been below the predetermined threshold.
REFERENCES:
patent: 4430742 (1984-02-01), Milleker et al.
patent: 4630290 (1986-12-01), Kage
patent: 4761829 (1988-08-01), Lynh, Jr. et al.
patent: 4922549 (1990-05-01), Johnson et al.
patent: 5193210 (1993-03-01), Nicholas et al.
Alton Kenneth D.
Brown David L.
Sharp Ronald E.
Stuglik Mark S.
Buchenhorner Michael J.
Eisenzopf Reinhard J.
Hernandez Pedro P.
Motorola Inc.
Pham Chi
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