4. Electric lamp and discharge devices
  5. Cathode ray tube
  6. Plural beam generating or control

Seog-Lae Cho

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Cathode for electron tube and method of preparing the same

Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Reexamination Certificate

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CRT electron gun with multi-lens system

Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Patent

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Focusing electrodes of an electron gun for use in a color televi

Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Patent

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Multistep focusing electron gun for cathode ray tube

Electric lamp and discharge devices – Cathode ray tube – Plural beam generating or control
Patent

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Profile ID: LFUS-PAI-P-816149

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