Color picture reproducing device

Details Color picture reproducing device Color picture reproducing device

1979-11-15

1981-08-18

Ng, Jin F.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 29, H04N 568, H04N 918

Patent

active

042850088

ABSTRACT:
A capacitor is provided between each cathode of a three-electron-gun color picture tube with three first grids earthed and each transistor amplifier for amplifying each primary color signal. The charging voltage across each capacitor is adjusted by a variable resistor provided corresponding to each capacitor. A variable DC voltage is produced at the sliding terminal of each variable resistor. A switch is provided between the sliding terminal and each cathode, which is turned on during the flyback period and the scanning period.

REFERENCES:
patent: 3647944 (1972-03-01), Anderson
patent: 3955212 (1976-05-01), Engel
patent: 4053927 (1977-10-01), Schmidtmann
patent: 4082996 (1978-04-01), Hinn
patent: 4110787 (1978-08-01), Parker
patent: 4118731 (1978-10-01), Hinn
patent: 4130829 (1978-12-01), Kam
patent: 4203131 (1980-05-01), Harwood

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