Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination
Patent
1993-07-01
1995-11-28
Pham, Chi H.
Telecommunications
Receiver or analog modulated signal frequency converter
Noise or interference elimination
455310, 327108, 327376, 327377, 3642403, 364DIG1, H04B 110, H03K 301
Patent
active
054716632
ABSTRACT:
A radio receiver (40) for receiving an RF signal comprises receiving circuitry (42) for receiving and demodulating the RF signal and a microcomputer (44) coupled to the receiving circuitry (42) for enabling and disabling the receiving circuitry (42) at predetermined times. The radio receiver (40) further comprises an expansion chip (68) coupled to and controlled by the microcomputer (44) for communicating therewith to further process the RF signal. Communication between the microcomputer (44) and the expansion chip (68) occurs at a first speed when the receiving circuitry (42) is enabled and at a second speed faster than the first speed when the receiving circuitry (42) is disabled.
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Gardner Kelly A.
Moore John H.
Motorola Inc.
Nichols Daniel K.
Pham Chi H.
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