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Presence sensing system and method

  • US 20020041231A1
  • Filed: 08/21/2001
  • Published: 04/11/2002
  • Est. Priority Date: 08/25/2000
  • Status: Active Grant
First Claim
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1. A presence sensing system for monitoring a protected area in machine guarding applications, said presence sensing system comprising:

  • a detection system to detect objects in at least a portion of the protected area;

    one or more indicators to visibly indicate relative positions of objects detected within the protected area.

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