Chain search in a scanning receiver

Details Chain search in a scanning receiver Chain search in a scanning receiver

1996-07-12

1998-01-20

Mullen, Thomas

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

4551651, 4551661, 4551681, H04B 118

Patent

active

057109923

ABSTRACT:
A method of searching for active signal frequencies from a plurality of frequency bands is disclosed. Bands of frequencies are defined by upper and lower limit frequencies. The bands are stored as chains in a chain memory. A controller searches for active signal frequencies by sequentially recalling each chain and searching the band of frequencies defined by the upper and lower limit frequencies. Active signal frequencies may be stored in a channel memory.

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patent: 4236251 (1980-11-01), Ohgishi et al.
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patent: 4461036 (1984-07-01), Williamson et al.
patent: 4833728 (1989-05-01), Kimura et al.
patent: 5355527 (1994-10-01), Owaki
patent: 5483684 (1996-01-01), Ono et al.

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