Cathode-ray tube having electrostatic focusing and electrostatic

Details Cathode-ray tube having electrostatic focusing and electrostatic Cathode-ray tube having electrostatic focusing and electrostatic

1974-11-26

1976-04-20

Segal, Robert

Electric lamp and discharge devices: systems

Cathode ray tube circuits

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

315382, 313432, 313449, H01J 2970, H01J 2974

Patent

active

039522270

ABSTRACT:
A cathode-ray tube having electrostatic focusing and electrostatic deflection lens which comprises three cylindrical electrode arranged along a common axis. The end electrodes are supplied by a high focusing voltage and the intermediate electrode is divided into at least three segments, each being supplied by a voltage which is a linear combination of a lower focusing voltage and of two deflection voltages.

REFERENCES:
patent: 2424965 (1947-08-01), Brillouin
patent: 2627587 (1953-02-01), Kohler
patent: 2681426 (1954-06-01), Schlesinger
patent: 2781171 (1957-02-01), Hagen
patent: 2911563 (1959-11-01), Atti et al.
patent: 3124790 (1964-03-01), Kuehler
patent: 3320468 (1967-05-01), Glenn
patent: 3358174 (1967-12-01), Glenn
patent: 3397341 (1968-08-01), Guyot et al.
patent: 3731136 (1973-05-01), Roussin

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