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ENCODING DEVICE, SYSTEM AND METHOD

  • US 20100188951A1
  • Filed: 02/28/2008
  • Published: 07/29/2010
  • Est. Priority Date: 08/08/2007
  • Status: Abandoned Application
First Claim
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1. An encoding device for encoding the movement of drives, said device comprising:

  • a rotating shaft coupled to a drive;

    a disk comprising at least one aperture;

    an optical unit comprising a light emitter and a light detector; and

    a reflector;

    said reflector being substantially stationary with regard to said optical unit such that light emitted from said light emitter is substantially reflected by said reflector to said detector;

    said disk being substantially fixedly coupled to said rotating shaft, whereinsaid disk being positioned between said reflector and said optical unit whereby rotation of said disk causes the movement of said at least one aperture in an alternating manner into a path of said light, such that said path is periodically interrupted and reestablished.

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