Mask vibration damping in cathode ray tubes

Details Mask vibration damping in cathode ray tubes Mask vibration damping in cathode ray tubes

1987-06-09

1989-05-02

Moore, David K.

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313407, 313269, H01J 2981

Patent

active

048271799

ABSTRACT:
A cathode ray tube which includes a faceplate having on its inner surface a centrally disposed phosphor screen, and a flat color selection electrode supported in tension, spaced from the screen. The electrode has a central apertured portion and a peripheral portion, and is susceptible to vibration. A vibration damping system is located on the peripheral portion of the electrode for damping vibrations in the electrode.

REFERENCES:
patent: 2930918 (1960-03-01), Coffin, Jr.
patent: 3237094 (1966-02-01), Mitchell
patent: 3638063 (1972-01-01), Tackikawa et al.
patent: 4196371 (1980-04-01), MacGrath, Jr.
patent: 4318025 (1982-03-01), Penird et al.
patent: 4504764 (1985-03-01), Sakamoto et al.
patent: 4506188 (1985-03-01), Puhak
patent: 4595857 (1986-06-01), Rowe et al.
patent: 4714863 (1987-12-01), Yokoyama et al.

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