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Optoelectronic Force Sensor

  • US 20100116564A1
  • Filed: 01/19/2010
  • Published: 05/13/2010
  • Est. Priority Date: 05/23/2000
  • Status: Active Grant
First Claim
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1. A force sensor comprising:

  • a load bearing member movably mounted for receiving an input force to be sensed, the load bearing member being biased against the direction of the input force;

    a light source;

    a photo-detector for sensing levels of illumination from the light source; and

    ,circuitry for converting a range of illumination levels sensed by the photo-detector into a range of output signals;

    wherein during use,the illumination level sensed by the photo-detector varies with movement of the load bearing member such that the output signal from the circuitry is indicative of the input force.

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