TENSIONED DIRECTLY HEATED CATHODE HAVING IMPROVED TEMPERATURE CHARACTERISTICS

1,216,584. Cathode-ray tubes. SYLVANIA ELECTRIC PRODUCTS Inc. 29 Jan., 1968 [1 Feb., 1967], No. 4548/68. Heading H1D. A directly heated cathode 13 which is freely suspended in an electron gun for a C.R.T. comprises a circular planar central portion 14 with an electron emissive coating 15 on one face...

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Bibliographische Detailangaben

1. Verfasser:	DONALD R. KERSTETTER
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY
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