Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
Patent
1990-03-16
1992-07-07
Yusko, Donald J.
Electric lamp and discharge devices
Cathode ray tube
Shadow mask, support or shield
313402, 313404, H01J 2980, H01J 2981, H01J 2982
Patent
active
051285851
ABSTRACT:
The improved color picture tube includes an evacuated glass envelope having a rectangular faceplate panel with two long sides and two short sides. The panel includes a major axis paralleling the two long sides, a minor axis paralleling the two short sides and two diagonals that extend between opposing corners of the panel. The panel includes a shadow mask assembly mounted therein by support means that are located at the corners of the panel. The support means at each of the spaced positions includes a stud attached to the glass envelope and a spring having an aperture therein engaging the stud. The improvement comprises the studs being located slightly off of the diagonals of the panel between the diagonals and the major axis.
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Irlbeck Dennis H.
Patel Nimeshkumar D.
Thomson Consumer Electronics Inc.
Tripoli Joseph S.
Yusko Donald J.
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