4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Photocell controlled circuit

David Roy Pressman

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High frequency tube apparatus

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent

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Traveling wave tube having tapered longitudinally directed loadi

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent

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X- and gamma-ray sensitive image intensification tube

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent

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Profile ID: LFUS-PAI-P-741017

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