Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
Patent
1988-04-25
1989-09-19
Yusko, Donald J.
Electric lamp and discharge devices
Cathode ray tube
Shadow mask, support or shield
313406, 445 30, 445 37, H01J 2982
Patent
active
048684538
ABSTRACT:
Means for suspending a color selection electrode from the display window of a color display tube, the means consisting of a first element which is connected to the color selection electrode, and a two-part second element connected to the display window. The second element consists of two separately made parts, a head and a base, enabling manufacture and placement of the head with a high degree of accuracy, and resulting in improved insertion reproducibility of the color selection.
REFERENCES:
patent: 2905846 (1959-09-01), Chapman et al.
patent: 2922063 (1960-01-01), Haas
patent: 4644222 (1987-02-01), Brunn
patent: 4763039 (1988-08-01), Van Rens et al.
Kieschke Hans G.
Van Der Avoort Henricus J. M.
Van Rens Piet C. J.
Fox John C.
O'Shea Sandra L.
U.S. Philips Corporation
Yusko Donald J.
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