Television camera

Details Television camera Television camera

1984-08-06

1987-03-03

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315383, 315371, 358219, H01J 2952

Patent

active

046478221

ABSTRACT:
A television camera capable of correcting shadings caused by digital registration faculty employed in a multi-tube type color television camera. The television camera comprises differentiating circuits for generating differentiated waves of correction waveforms used for adjusting registration, and non-linear circuits for processing the differentiated waves. Outputs of the non-linear circuits control the gain of a video signal circuit so that components responsible for the generation of shadings can be removed from a video signal.

REFERENCES:
patent: 4039899 (1977-08-01), Battjes et al.
patent: 4104566 (1978-08-01), Shah
patent: 4258298 (1981-03-01), Hilburn et al.

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