Telecommunications – Receiver or analog modulated signal frequency converter – Squelch
Patent
1993-01-29
1995-11-07
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
Squelch
455225, 375217, 375351, H04B 110
Patent
active
054654041
ABSTRACT:
A wireless communications receiver having an adaptive squelch system and operable in multiple states including a receiver (11) that provides a received signal when operating in a clear (unscrambled) state and when operating in a secure (scrambled) state; a squelch function (13) that generates an unsquelch signal when the received signal satisfies a quality level; and a controller (15) that sets the quality level to a predetermined level that corresponds to the receiver operating state.
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Muehlfeld Alan D.
Retzer Michael H.
Eisenzopf Reinhard J.
Faile Andrew
Motorola Inc.
Scutch, III Frank M.
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