Fast warm up cathode for a cathode ray tube

Details Fast warm up cathode for a cathode ray tube Fast warm up cathode for a cathode ray tube

1975-06-10

1976-03-30

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For indirectly heated cathode

313 37, 313337, 313346R, 313451, H01J 194, H01J 1948

Patent

active

039477150

ABSTRACT:
A fast warm up cathode comprises a substantially cup-shaped top cap and a hollow cylindrical sleeve axially displaced from the top cap. Means are provided for joining the sleeve and the top cap into an integral unit. The means comprise a plurality of individual rod-like members having extremities substantially flat for attachment to the top cap and the sleeve. The plurality of rod-like members are equally spaced about the periphery of the sleeve and the top cap.

REFERENCES:
patent: 2206504 (1940-07-01), Kinyon
patent: 2421767 (1947-06-01), Varian
patent: 2833952 (1958-05-01), Hemphill
patent: 3273003 (1966-09-01), Dietrich
patent: 3333138 (1967-07-01), Szegho
patent: 3772559 (1973-11-01), Schoke
patent: 3881124 (1975-04-01), Buescher

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