Television receiver with selectively disabled on-screen characte

Details Television receiver with selectively disabled on-screen characte Television receiver with selectively disabled on-screen characte

1982-02-26

1984-03-06

Masinick, Michael A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

340726, H04N 522

Patent

active

044357290

ABSTRACT:
A television receiver includes a character generator for permitting kinescope display of auxiliary characters in addition to display of normal video signal information, and means for sensing a given characteristic (e.g., bias) of video signal processing circuits of the receiver during prescribed sensing intervals. The character generator is disabled during the sensing intervals to prevent false outputs from the character generator from distorting the characteristic being sensed.

REFERENCES:
patent: 3891792 (1975-06-01), Kimura
patent: 3898644 (1975-08-01), Bayter
patent: 3911420 (1975-10-01), Lampson
patent: 3984828 (1976-10-01), Beyers
patent: 4021841 (1977-05-01), Weinger
patent: 4345246 (1982-08-01), van den Driessche
Schematic Circuit Diagram of a Portion of the Signal Processing System of the Metz Color Television Receiver, Chassis 681 G.
"Digital Integrated Electronics" (Taub and Schilling), p. 452 McGraw Hill 1977.
"Analysis and Design of Integrated Electronic Circuits" (Chirlian) p. 133, Harper and Row, 1981.

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