Shield for a cathode ray tube

Details Shield for a cathode ray tube Shield for a cathode ray tube

1997-10-28

1999-12-21

Patel, Ashok

Electric lamp and discharge devices

Cathode ray tube

Envelope

313402, 313407, H01J 2980

Patent

active

060053410

ABSTRACT:
A CRT comprising a front panel coated with a fluorescent layer on the inner surface thereof, a shadow mask, a mask frame separating the shadow mask at a distance from the front panel, a funnel extending outwardly from the front panel forming an envelope surrounded by the front panel and the funnel, and an inner shield inside such an envelope to shield against earth and other external magnetic fields. The mask frame and the inner shield are welded together at their ends.

REFERENCES:
patent: 4472657 (1984-09-01), Sakurai et al.
patent: 5397958 (1995-03-01), Na

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