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

Edward J. Devinney, Jr.

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Fingerprint sensing device for deriving an electric signal

Optics: measuring and testing – Document pattern analysis or verification
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Optical system for inspecting printed circuit boards wherein a r

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

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Profile ID: LFUS-PAI-P-676835

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