Display control apparatus

Details Display control apparatus Display control apparatus

1987-06-05

1989-01-17

Brigance, Gerald L.

Communications: electrical

Visual indication

Movable

340733, 340813, G09G 100

Patent

active

047990511

ABSTRACT:
In a display control apparatus wherein a picture signal of a character, a pattern or the like and a luminance signal for affording a luminance to the picture signal are synchronously derived, and a logic between the picture signal and the luminance signal is taken to control the luminance of the picture signal; a display control apparatus comprising pulse width adjusters by which, when one signal is true with the other signal being false, the true signal is put within an interval of the false signal and is held false for fixed times before and after a true signal interval thereof, and when both logics of the respective signals are true or false, true or false intervals of both the signals are adjusted so as to become equal.

REFERENCES:
patent: 3877009 (1975-04-01), Kanie et al.
patent: 4001806 (1977-01-01), Sweeting
patent: 4393378 (1983-07-01), Danielsen et al.
patent: 4516118 (1985-05-01), Wahlquist
patent: 4517560 (1985-05-01), Murayama et al.
patent: 4604614 (1986-08-01), Farr et al.
patent: 4672451 (1987-06-01), Berger

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