Cathode-ray tube combined beam centering and deflection device
United States Patent 2553039

Inventors:
Gray, Richard O.
Publication Date:
05/15/1951
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Assignee:
ZENITH RADIO CORP
Primary Class:
335/212
International Classes:
H01J29/54
US Patent References:
2200039Permanent magnet device for producing axially symmetrical magnetic fields
2207777Cathode ray deflecting device
2211613Cathode ray tube
2456474Electric discharge device
2499065Device for adjustably positioning spaced magnetic fields
Foreign References:
GB464637A