Color display device comprising a saddle-shaped color selection

Details Color display device comprising a saddle-shaped color selection Color display device comprising a saddle-shaped color selection

1999-02-16

2000-08-29

Font, Frank G.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313403, 313 6, H01J 2980

Patent

active

061113484

ABSTRACT:
A color cathode ray tube is provided with a saddle-shaped shadow mask.
As a result, the sensitivity to doming and microphonics of the mask is improved. This is advantageous, in particular, for a cathode ray tube having a very flat display window. Preferably, the display device in which the cathode ray tube is employed is provided with two dynamic quadrupoles, for example, in front of the electron gun and in front of a deflection unit.

REFERENCES:
patent: 4280077 (1981-07-01), Villanyi
patent: 5276377 (1994-01-01), Van Nes et al.

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