Multiband radio receiver with electronic preset tuning system

Details Multiband radio receiver with electronic preset tuning system Multiband radio receiver with electronic preset tuning system

1978-06-20

1980-11-04

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455175, 455176, 455186, H04B 116

Patent

active

042323959

ABSTRACT:
A multiband radio receiver having an electronic preset tuning system is provided with a switch which is ganged with a preset switch in the electronic preset tuning system, so that an automatic frequency control is interrupted from a local oscillator in preset operation. During preset operation, no automatic frequency control is provided, as a result of which fine-tuning can be accomplished to memorize a digital signal representative of a completely tuned frequency in a read-write memory.

REFERENCES:
patent: 3166714 (1965-01-01), Vo Dinh Hien
patent: 3207989 (1965-09-01), Cooke et al.
patent: 4079320 (1978-03-01), Mogi
patent: 4085372 (1978-04-01), Mogi et al.

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