Grid structure for color cathode ray tube

Details Grid structure for color cathode ray tube Grid structure for color cathode ray tube

1980-04-14

1982-06-01

Gensler, Paul L.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

29449, 313348, H01J 2906

Patent

active

043330347

ABSTRACT:
A grid structure for a color cathode ray tube comprises a substantially rectangular, one-piece frame consisting of a pair of first opposed frame portions and a pair of second opposed frame portions orthogonally related to the first frame portions and being integral with the latter at ends thereof, and grid elements secured to the first frame portions and extending therebetween generally parallel to the second frame portions in a longitudinally stressed condition, the second frame portions having at least recesses therein for enhancing the resilient bending thereof under loads applied to the first frame portions in directions urging the latter toward each other.

REFERENCES:
patent: 2939981 (1960-06-01), Hoagland
patent: 3030536 (1962-04-01), Hackett et al.
patent: 3638063 (1972-01-01), Tachikawa et al.
patent: 3855493 (1974-12-01), Snook et al.
patent: 3942064 (1976-03-01), Dimmick et al.
patent: 4100451 (1978-07-01), Palac

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