Tuning system including a memory for storing tuning information

Details Tuning system including a memory for storing tuning information Tuning system including a memory for storing tuning information

1977-10-31

1979-08-14

Bookbinder, Marc E.

325469, H04B 126

Patent

active

041647114

ABSTRACT:
In a tuning system for a television receiver including tuning voltage circuitry for generating and thereafter storing binary signals representing tuning voltages corresponding to the various channels a viewer may select for controlling a voltage variable tuning element, skip channel circuitry for generating and thereafter storing binary signals representing whether or not each of the channels is preferred, channel selection circuitry for retrieving the stored binary signals when a viewer depresses either an up or down push button, a mode push button is provided in conjunction with sequence detection circuitry to generate various control signals to enable the programming of the tuning voltage circuitry and skip channel circuitry in response to the order and manner in which the mode, up and down push buttons are operated.

REFERENCES:
patent: 3893049 (1975-07-01), Bray
patent: 3968440 (1976-07-01), Ehni
patent: 4005368 (1977-01-01), Tanaka
patent: 4041402 (1977-08-01), Mogi
patent: 4061982 (1977-12-01), Kawashima
patent: 4114102 (1978-09-01), Denzene
patent: 4114104 (1978-09-01), Denzene
Philips Technical Notes 76-1120M for the C81 & C90 Chassis Color T.V. Modular 4 Electronic Tuning System-Optavision Receivers-Nov. 1976.
Omega Tuner System Information Package-Jul. 1975-General Instrument Corp.
Magnavox Service Manual, No. 7353, File vol. 12, Television Section for the 703777 Videomatic Touch Tune Assembly.
"Digitales Programmspeicher-System"-Friedrich Timmermann-Funkschau 1977, Heft 17, pp. 67-69.
"Farbfernsehgerat mit Mikroprozessor-Steurung"-Wolfgang Baum Funkschau-1977, Heft, 17.

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