Individual deflection control signals for plural pickup-tubes in

Details Individual deflection control signals for plural pickup-tubes in Individual deflection control signals for plural pickup-tubes in

1981-07-10

1985-03-05

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

358 51, H01J 2956, H04N 909

Patent

active

045033668

ABSTRACT:
Deflection control signals are supplied to respective horizontal and vertical deflecting plates in a plural pickup-tube color television camera. A predetermined one pickup-tube is supplied with the horizontal and vertical deflecting signals that are generated by a suitable source. These signals also are supplied to a compensating voltage generator which is selectively operative to produce respective horizontal deflection compensating voltages for each of the remaining pick-up tubes and respective vertical deflection compensating voltages for such remaining tubes. A horizontal combining circuit is provided for each of the remaining tubes and a vertical combining circuit also is provided for each of these remaining tubes. Each combining circuit is supplied with a respective horizontal or vertical deflection signal from the source and also with a respective horizontal or vertical deflection compensating voltage generated by the compensating voltage generating circuit, and is operative to generate an adjusted horizontal or vertical deflection signal which is applied to the horizontal or vertical deflecting plates of its associated pickup-tube.

REFERENCES:
patent: 4051512 (1977-09-01), van Roosmalen

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