Magnetic focus and electrostatic deflection type image pick-up t

Details Magnetic focus and electrostatic deflection type image pick-up t Magnetic focus and electrostatic deflection type image pick-up t

1984-11-06

1987-05-05

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Image pickup tube

313432, H01J 2978, H01J 3136

Patent

active

046635602

ABSTRACT:
A magnetic focus and electrostatic deflection type image pick-up tube in which electrostatic deflection electrodes assuming a cylindrical shape as a whole are twisted about the axis of the cylinder at an angle selected so as to range from 21.degree. to 60.degree.. The spot of the electron beam is less enlarged in an oval shape at the corners of target in the imaging tube.

REFERENCES:
patent: 2681426 (1954-06-01), Schlesinger
patent: 2830228 (1958-04-01), Schlesinger
patent: 2904712 (1959-09-01), Schlesinger
patent: 3601648 (1971-08-01), Uno

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