Television receiver with an automatic digital alignment system

Details Television receiver with an automatic digital alignment system Television receiver with an automatic digital alignment system

1984-03-08

1986-08-19

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358243, 358 74, 358 10, 315382, 315 10, H04N 568

Patent

active

046072888

ABSTRACT:
In a television receiver, a circuit is provided which automatically controls the focus voltage of the picture tube. The circuit uses a sensor to obtain focusing information from the picture tube wherein this information is processed by an alignment computer and a digital to analog converter which controls a blocking oscillator circuit to provide a focusing voltage.

REFERENCES:
patent: 3735388 (1973-05-01), Naka
patent: 4387394 (1983-06-01), Powell
patent: 4439735 (1984-03-01), Alvite et al.
patent: 4441120 (1984-04-01), Gerritsen

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