System for enhancing deflection in kinescopes

Details System for enhancing deflection in kinescopes System for enhancing deflection in kinescopes

1980-05-30

1982-04-06

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313429, H01J 2972, H01J 2980

Patent

active

043238165

ABSTRACT:
In a kinescope a pair of curved plates cooperate with the conductive coating inside the tube funnel to form electrostatic lens. The lens is shaped by the curve of the plates to eliminate convergence of the electron beams as they enter the field of the lens to enhance the horizontal deflection of the kinescope. The internal focusing and defocusing actions of the quadrupole are suppressed within the quadrupole, but a vertical divergent field outside the quadrupole substantially enhances the vertical deflection.

REFERENCES:
patent: 2879443 (1959-03-01), Aiken
patent: 3240972 (1966-03-01), Law
patent: 3496406 (1970-02-01), Deschamps
patent: 3792303 (1974-02-01), Albertin et al.

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