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

Dennis J. Martell

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Data transmission system with data verification

Communications: electrical – Continuously variable indicating – With meter reading
Patent

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Optical encoder with two photosensors

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

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Remote data readout system for transmitting digital data over ex

Communications: electrical – Systems – Selsyn type
Patent

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Profile ID: LFUS-PAI-P-905700

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