Electron gun for a cathode ray tube

Details Electron gun for a cathode ray tube Electron gun for a cathode ray tube

1991-12-27

1994-01-25

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313412, 313425, 313460, 315 15, H01J 2956, H01J 2958

Patent

active

052818926

ABSTRACT:
An electron gun for a cathode ray tube is formed such that the spacing between the electron beam passing holes in a static focus electrode is longer than that between the electron beam passing holes in a dynamic focus electrode which forms a dynamic quadrupole lens with the static focus electrode, thereby enhancing the focusing and convergence characteristics of electron beams.

REFERENCES:
patent: 4728859 (1988-03-01), Natsuhara et al.
patent: 4945284 (1990-07-01), Shimoma et al.

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