Robert H. Garwood’s scientific contributions

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Publications (1)

Principles of photoelectric sensing: part I
  • Article

July 1995

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14 Reads

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3 Citations

Robert H. Garwood

A photoelectric sensor is an electrical device that responds to a change in the intensity of the light falling on it. The development history of such a device is presented, starting from rugged incandescent forerunners up to current industrial photoelectric sensors. This tutorial on photoelectric sensing covers light sources and sensing modes.