Arrangement for both channel swapping and favorite channel featu

Details Arrangement for both channel swapping and favorite channel featu Arrangement for both channel swapping and favorite channel featu

1981-02-06

1983-01-04

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Signal selection based on frequency

455166, H04B 116

Patent

active

043675590

ABSTRACT:
The channel selection apparatus of a tuning system includes a present channel number register, a temporary register, a saved channel number register and a control unit for selectively controlling the three registers to (a) interchange the contents of the present and saved channel number registers when a swap key is activated, (b) enter the contents of the present channel number register in the saved channel number register without disturbing the contents of the present channel register when a favorite channel store key is activated, and (c) enter the contents of the saved channel number register in the present channel number register without disturbing the contents of the saved channel number register when a favorite channel recall key is activated.

REFERENCES:
patent: 3953801 (1976-04-01), Podowski
patent: 3965336 (1976-06-01), Grohmann
patent: 4271532 (1981-06-01), Wine
"Farbfernsehgerat mit Mikroprocessor-Steuerung", by Wolfgang Baum, pp. 61-66 of German Language Magazine, Funkshau, 1977, Heft 17.
"A Systems Approach to Low-Cost Electronic Tuning Address", by B. Howell, J. Reid and F. Zlotnick, pp. 408-416 of the IEEE Transactions on Consumer Electronics, vol. CE-24, No. 3, Aug. 1978.

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