Electron gun with bi-potential focusing lens and electrostatic d

Details Electron gun with bi-potential focusing lens and electrostatic d Electron gun with bi-potential focusing lens and electrostatic d

1991-03-12

1994-02-08

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

313413, 313432, 313439, H01J 2974

Patent

active

052851303

ABSTRACT:
A one-gun three-beam electron gun comprises a triode part controlling an electron source generating a plurality of electron beams and emission of the electron beams generated by the electron source; a main electron lens of bi-potential focusing type consisting of not less than two cylindrical electrodes focusing the plurality of electron beams emitted by the triode part; electrostatic deflection plates disposed on the screen side of the main electron lens; and electrostatic deflection plates disposed on the electron source side of the main electron lens.

REFERENCES:
patent: 4621215 (1986-11-01), Tanaka
patent: 4763047 (1988-08-01), Watanabe et al.

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