Electric lamp and discharge devices – Cathode ray tube – Envelope
Patent
1983-02-25
1988-11-22
Moore, David K.
Electric lamp and discharge devices
Cathode ray tube
Envelope
220 21A, 358252, 313408, H01J 2986
Patent
active
047868406
ABSTRACT:
A cathode-ray tube includes a rectangular faceplate which has an exterior surface having curvature along both the minor and major axes. The exterior surface of the faceplate includes a rectangular contour near its periphery which substantially lies in a plane which is perpendicular to the central longitudinal axis of the tube.
REFERENCES:
patent: Re27259 (1971-12-01), Rublack
patent: 1750661 (1930-03-01), Bown
patent: 2728012 (1952-08-01), Swedlund
patent: 3931906 (1976-01-01), Bradu
patent: 4136300 (1979-01-01), Morrell
Irlbeck Dennis H.
Moore David K.
RCA Licensing Corporation
Whitacre Eugene M.
Wieder K.
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