producing fields exhibiting periodic axial symmetry

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CPC
H01J29/626

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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00

Current Industry

H01J29/626producing fields exhibiting periodic axial symmetry

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Patents Grantslast 30 patents

Information Patent Grant
Picture display device
- Patent number 5,015,925
- Issue date May 14, 1991
- U.S. Philips Corporation
- Tjerk G. Spanjer
- H01 - BASIC ELECTRIC ELEMENTS