Lateral magnetic shielding for color CRT

Details Lateral magnetic shielding for color CRT Lateral magnetic shielding for color CRT

2005-06-28

2005-06-28

Patel, Vip (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

C313S407000, C313S313000

Reexamination Certificate

active

06911769

ABSTRACT:
Color cathode-ray tube comprising a color selection mask (16) held under tension between a first pair of opposed long sides (30) of an approximately rectangular metal frame (21), a main magnetic screen (22) placed at the rear of the frame in the funnel-shaped part (11) of the tube's envelope, and additional means (50) for forming a screen against the Earth's magnetic field in the part lying along the second pair of opposed short sides of the frame.

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