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Active stylus with energy harvesting

  • US 8,872,792 B2
  • Filed: 02/22/2012
  • Issued: 10/28/2014
  • Est. Priority Date: 10/28/2011
  • Status: Active Grant
First Claim
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1. A stylus comprising:

  • one or more electrodes and one or more computer-readable non-transitory storage media embodying logic for transmitting signals wirelessly from the stylus to a device through a touch sensor of the device; and

    one or more sensors for harvesting kinetic energy of the stylus or from an environment of the stylus, at least one of the sensors comprisinga fluid in a closed volume.

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