Cylindrical image pickup tube having electrostatic deflection el

Details Cylindrical image pickup tube having electrostatic deflection el Cylindrical image pickup tube having electrostatic deflection el

1986-05-27

1987-10-20

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Plural concentrating, accelerating, and/or de-accelerating...

313432, 315410, H01J 2970

Patent

active

047016680

ABSTRACT:
A magnetic focusing and electrostatic deflecting image pickup tube comprises electrostatic deflection electrodes each constituted by a straight arrow pattern yoke composed of straight line segments arrayed in a linear zigzag pattern. The pattern yoke has a twist angle set at a value not greater than 105.degree.. An average value of angles formed by each upper apex and two lower apices adjacent to the upper apex of the zigzag pattern yoke with reference to the axis of the tube lies within a range of 116.degree. to 127.degree..

REFERENCES:
patent: 2681426 (1954-06-01), Schlesinger
patent: 3319110 (1967-05-01), Schlesinger
patent: 3796910 (1974-03-01), Ritz, Jr.

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