Structure of electron gun for color cathode ray tube

Details Structure of electron gun for color cathode ray tube Structure of electron gun for color cathode ray tube

2006-03-07

2006-03-07

Glick, Edward J. (Department: 2882)

Electric lamp and discharge devices

Cathode ray tube

Plural beam generating or control

C313S409000, C313S452000

Reexamination Certificate

active

07009333

ABSTRACT:
A cathode ray tube with a reduced beam spot size on a fluorescent screen is obtained by forming electron beam passing holes on the electrodes composing a triode portion of an electron gun to have horizontally and vertically asymmetric shapes.

REFERENCES:
patent: 4629933 (1986-12-01), Bijma et al.
patent: 5747922 (1998-05-01), Sukeno et al.
patent: 6184617 (2001-02-01), Choi
patent: 2002/0101161 (2002-08-01), Song et al.
patent: 2002-008558 (2002-01-01), None
patent: 1998-0186554 (1998-12-01), None
patent: 2002-0057585 (2002-07-01), None
English translation of 2002-0057585.

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