Cathode ray tube with internal electrical connections means

Details Cathode ray tube with internal electrical connections means Cathode ray tube with internal electrical connections means

1988-04-29

1989-05-09

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313482, 313407, H01J 2907

Patent

active

048292125

ABSTRACT:
The electrical connection between the shadow mask and screen of a cathode ray tube is provided by a contact spring, one end of which engages one of the metal mask support pins upstanding from the sidewall of the tube's faceplate, and the other end of which contacts the electrically conductive layer overlying the screen. Engagement with the pin occurs at a transition region between the conical base portion and the spherical head of the pin, and produces a simple and reliable electric connection between the shadow mask and the electrically conductive layer.

REFERENCES:
patent: 4230965 (1980-10-01), Brenner, Jr.
patent: 4230966 (1980-10-01), Compen
patent: 4644222 (1987-02-01), Brunn

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