Focusing system for color TV camera

Details Focusing system for color TV camera Focusing system for color TV camera

1978-12-18

1980-09-16

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

315 9, 315 31TV, H01J 2958

Patent

active

042232538

ABSTRACT:
The focusing system for a multi-pickup tube color television camera includes a main focus coil and a vernier focus coil about each pickup tube. The main focus coils are coupled in series to a common source and the vernier focus coils are independently controllable.

REFERENCES:
patent: 2994803 (1961-08-01), Goldberg
patent: 3564330 (1971-02-01), Pfeiffer
patent: 3586902 (1971-06-01), Siegel
patent: 3896339 (1975-07-01), Efimov et al.
patent: 3961219 (1976-07-01), Bechteler et al.

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