Display system for facilitating the setup of a tuning system

Details Display system for facilitating the setup of a tuning system Display system for facilitating the setup of a tuning system

Filed on

1977-08-29

Date issued

1979-05-29

Examiner

Griffin, Robert L.

Patent Class

Facsimile and static presentation processing

SubClass

Facsimile

SubSubClass

Specific signal processing circuitry

Other Related Categories

325464, 358192, H04B 126

Type

Patent

Status

active

Patent number

041568508

Description

ABSTRACT:
In a tuning system for a television receiver including a memory for storing binary signals representing tuning voltages corresponding to various channels a viewer may select, during a tuning voltage setup mode in which the binary signals representing the tuning voltages are generated in response to viewer control, a multiplexer couples predetermined selected ones of the binary signals representing the tuning voltages to a digital channel number display unit to provide a viewer with an indication of the relative tuning position. The multiplexer also couples binary signals representing the letter "A" to the channel number display during the tuning voltage setup mode to distinguish the tuning voltage setup mode from other modes of operation of the tuning system. In addition, during a channel selection setup mode, in which a viewer selects the channels he does not wish skipped during normal operation of the tuning system, the multiplexer couples binary signals representing the letters "CH" to the channel number display to distinguish the channel selection tuning mode from the tuning voltage setup mode and the normal operating mode.

REFERENCES:
patent: 4023107 (1977-05-01), Tanaka
patent: 4041402 (1977-08-01), Mogi
patent: 4081797 (1978-03-01), Olson
patent: 4122395 (1978-10-01), Schotz et al.
"Digitales Programmspeicher-System"-Friedrich Timmermann, Funkschau, Heft 17, Aug. 12, 1977.
Working With Microprocessors-Select the Station the Micro Way-Quentin Scott-Electronics Weekly-Apr. 13, 1977.
General Instruments, AY-3-8330, Data Sheet.
Magnavox Service Manual-703777, Videomatic Touch-Tune Assembly, Manual No. 7353, vol. 12, Sep. 1976.
Farbfernsehgerat mit Mikroprozessor-Steurung-Wolfgang Baum, Aug. 12, 1977, "Funkschau," Heft 17.

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