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US 3,947,715 AGranted
Fast warm up cathode for a cathode ray tube
AssigneeGTE Sylvania Incorporated
InventorPeter George Puhak
Life of this patent
Estimating the term…
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.
Claims4
A fast warm-up cathode for a cathode ray tube comprising:
- a substantially cup-shaped top cap;
- a hollow cylindrical sleeve longitudinally axially separated from said top cap;
- and means joining said sleeve and said top cap into an integral unit, said means comprising a plurality of individual rod-like members having extremities providing substantially flat attachment surfaces for said sleeve and said top cap.
Dependencies are inferred from the claim text.