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Wearable position or motion sensing systems or methods

  • US 7,980,141 B2
  • Filed: 04/01/2008
  • Issued: 07/19/2011
  • Est. Priority Date: 07/27/2007
  • Status: Expired due to Fees
First Claim
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1. An apparatus comprising:

  • an external flexing sensing element, configured to be externally coupled to or externally worn on a human or animal body, the sensing element providing an indication of an external longitudinal axial bending, twisting, or elongation due to movement of at least one body part, the sensing element comprising a flexible elongate member, the flexible elongate member comprising a lumen carrying a flowable substance comprising at least one of a liquid, a gas, or a gel; and

    a transducer, in flowable substance communication with the lumen of the sensing element, the transducer configured to transduce an indication of the longitudinal axial bending, twisting, or elongation of the sensing element into at least one output indication of body part movement to be provided to a user or a device.

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