4. Electric lamp and discharge devices: systems
  5. Cathode ray tube circuits
  6. Cathode-ray deflections circuits

Joon-hwan Lee

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Adjusting convergence apparatus and method

Television – Video display – Projection device
Reexamination Certificate

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Image distortion compensating apparatus with low switching...

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Reexamination Certificate

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Image distortion correction apparatus capable of correcting...

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Reexamination Certificate

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Image misconvergence correction apparatus for less switching...

Television – Video display – Cathode-ray tube
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2885563

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