4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Henry A. Kelley

Inventor

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Beam alignment correction element assembly

Optical: systems and elements – Lens – With support
Reexamination Certificate

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Beam alignment correction element assembly

Optical: systems and elements – Lens – With support
Patent

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Beam error correction using movable correction element

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Computerized control of multi-size spot beam imaging

Television – Camera – system and detail – Optics
Patent

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Method and apparatus for obtaining a lithographic plate

Photocopying – Projection printing and copying cameras – Illumination systems or details
Patent

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Profile ID: LFUS-PAI-P-651966

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