Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Patent
1990-03-28
1991-02-19
Eisenzopf, Reinhard J.
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
34082544, H04B 116
Patent
active
049950991
ABSTRACT:
A receiver receives a transmitted signal having a periodic predetermined signal, a method and apparatus detects a first predetermined signal. Power may be conserved during a portion of a subsequent predetermined signal. The subsequent predetermined signal is divided into at least a first and second portion. If the first portion is detected, the subsequent predetermined signal is considered detected and power is conserved for the second portion. If the first portion is not detected, the receiver remains active for the second portion in order to detect the subsequent predetermined signal.
REFERENCES:
patent: 3769593 (1973-10-01), Williams
patent: 3783384 (1974-01-01), Wycoff
patent: 4370753 (1983-01-01), Ehmke
patent: 4385398 (1983-05-01), Wycoff et al.
patent: 4419765 (1983-12-01), Wycoff et al.
patent: 4523332 (1985-06-01), Mori
patent: 4663623 (1987-05-01), Lax et al.
Eisenzopf Reinhard J.
Ingrassia Vincent B.
Kuntz Curtis
Macnak Philip P.
Motorola Inc.
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