Cathode-ray tube for image reproduction
United States Patent 2813214
US Patent References:
Cathode ray focusing apparatus
- - 2692532


Inventors:
Doorn, Adrian Gerard Van
Publication Date:
11/12/1957
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Assignee:
PHILIPS CORP
Primary Class:
313/429
Other Classes:
313/348, 348/E09.014
International Classes:
H01J19/38; H01J29/80; H04N9/16; H01J19/00; H01J29/46