Method of manufacturing a color television display tube

Details Method of manufacturing a color television display tube Method of manufacturing a color television display tube

1980-03-11

1983-02-15

McQuade, John

Electric lamp or space discharge component or device manufacturi

Process

With testing or adjusting

430 23, H01J 926

Patent

active

043732372

ABSTRACT:
In a method of manufacturing a color television display tube, marks for the positioning of the display window are provided on the funnel part of the tube. Upon providing the marks the funnel part is fixed in a centering device which locates in the funnel part a reference point to which the provision of the marks is referenced. The reference point is situated in or substantially in the deflection center of a deflection device provided afterwards on the funnel part.

REFERENCES:
patent: 3285457 (1966-11-01), Peterson
patent: 3369881 (1968-02-01), Bennett et al.
patent: 3381347 (1968-05-01), Reinwall, Jr.
patent: 3806108 (1974-04-01), Adachi et al.
patent: 3904914 (1975-09-01), Palac
patent: 3971490 (1976-07-01), Conger
patent: 4028580 (1977-06-01), Dougherty
patent: 4050602 (1977-09-01), Tom et al.

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