Cathode ray tube with plural electron gun assemblies

Details Cathode ray tube with plural electron gun assemblies Cathode ray tube with plural electron gun assemblies

1997-04-30

1998-11-03

O'Shea, Sandra L.

Electric lamp and discharge devices

Plural unit

Cathode ray tube

313422, 315 9, 315374, H01J 2907

Patent

active

058313737

ABSTRACT:
A cathode ray tube includes a vacuum envelope having a face plate (1), a continuous phosphor screen (7) formed on the inner surface of the face plate (1), the phosphor screen (7) including a plurality of scanning regions (R1-R15) disposed in rows and column, and a rear plate facing the phosphor screen (7), a scanning arrangement including a plurality of electron guns (15) attached to the rear plate, for individually emitting electron beams toward the phosphor screen, and deflection yokes (16) coupled to corresponding electron guns (15) for deflecting the electron beams. A control section (30) controls the electron guns (15) and the yokes (16) so that one row of the scanning regions is scanned simultaneously while other rows are suppressed.

REFERENCES:
patent: 4714856 (1987-12-01), Takenaka et al.
patent: 4777407 (1988-10-01), Takenaka et al.

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