Cathode-ray tube display device

Details Cathode-ray tube display device Cathode-ray tube display device

1992-05-26

1994-04-19

Yusko, Donald J.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313313, 313440, 335214, 348818, H01J 3100

Patent

active

053048911

ABSTRACT:
A cathode-ray tube display device wherein a resistance material, e.g. graphite, is provided on each of a funnel portion, a cone portion and a neck portion of a cathode-ray tube, and a deflecting coil unit is mounted to the neck portion through an insulator, to shield an alternating electric field generated from the deflecting coil unit.

REFERENCES:
patent: 2343630 (1944-03-01), Atwood
patent: 3443138 (1969-05-01), Schwartz
patent: 3562518 (1971-02-01), Javorik
patent: 4217521 (1980-08-01), Dietch et al.
patent: 4853790 (1989-08-01), Dickie
patent: 5105120 (1992-04-01), Nishioka et al.
IBM Technical Disclosure Bulletin, vol. 21, No. 5, Oct. 1978, J. A. Harder et al.

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