Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Patent
1975-09-17
1978-01-31
Mullins, James B.
Electric lamp and discharge devices
Cathode ray tube
Plural beam generating or control
313270, 313446, H01J 2902, H01J 2950
Patent
active
040718034
ABSTRACT:
The cathode electrode assembly of an electron gun assembly comprises an inner cathode cylinder supporting a base metal coated with an electron emitting material and an outer cathode cylinder coaxially supporting said inner cathode cylinder. Said outer cathode cylinder is supported at a first supporting point by a cathode holder fitted over said outer cathode cylinder. Said cathode holder is supported at a second supporting point by an electrode supporting piece supported by an insulating support pillar. Respective portions of the outer cathode cylinder and cathode holder are formed of the same quality of material.
REFERENCES:
patent: 2914694 (1959-11-01), Chin
patent: 3333138 (1967-07-01), Szegho
patent: 3728574 (1973-04-01), Benda
patent: 3772554 (1973-11-01), Hughes
Sato Fumiyuki
Shinpo Masanori
Takanashi Yukio
Mullins James B.
Tokyo Shibaura Electric Co. Ltd.
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