Television picture centering control

Details Television picture centering control Television picture centering control

1975-09-26

1977-07-12

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Recording apparatus

273DIG28, 315370, 328187, 358230, H04N 568

Patent

active

040358410

ABSTRACT:
A control circuit is provided for centering a display on a cathode ray tube by manual adjustment. A reference signal is received corresponding to a fixed point on the display. A shift circuit provides a shifted synchronizing signal, having a shift that is variable, to place the fixed point at a desired location on the cathode ray tube. The shift may be either an advance or a delay of the signal.

REFERENCES:
patent: 2386728 (1945-10-01), Theisen
patent: 2510670 (1950-06-01), Trott
patent: 2556934 (1971-06-01), Mulligan
patent: 3659285 (1972-04-01), Baer
patent: 3697681 (1972-10-01), McCoy
patent: 3736377 (1973-05-01), Warren
patent: 3748377 (1973-07-01), Bruinsma
patent: 3793483 (1974-02-01), Bushnell
patent: 3953764 (1976-04-01), Miller

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