Inner shield for color cathode ray tube

Details Inner shield for color cathode ray tube Inner shield for color cathode ray tube

2005-06-07

2005-06-07

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Envelope

C313S364000, C313S402000

Reexamination Certificate

active

06903502

ABSTRACT:
The invention relates to an inner shield for color cathode ray tube. The inner shield has two long side parts and two short side parts. Each of two long sides has an opening part which comprises an inclined part and an U-shape recessed edge. Otherwise, the opening part may comprise an vertical part and an U-shape recessed edge. Each of two short sides has a V-shaped opening. The inner shield of the invention is capable of surely shielding unintended external magnetic field.

REFERENCES:
patent: 4580076 (1986-04-01), Shimoma et al.
patent: 5363010 (1994-11-01), Van Mensvoort
patent: 5773924 (1998-06-01), Nakamura
patent: 6229254 (2001-05-01), Matsudate et al.
patent: 6768253 (2004-07-01), Iwamoto et al.
patent: 5-159713 (1993-06-01), None
patent: 8-171866 (1996-07-01), None
patent: 11-149883 (1999-06-01), None
patent: 11-354040 (1999-11-01), None
patent: 92-13551 (1992-07-01), None
patent: 1999-005544 (1999-01-01), None

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