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Short range wireless powered ring for user interaction and sensing

  • US 9,696,802 B2
  • Filed: 03/20/2013
  • Issued: 07/04/2017
  • Est. Priority Date: 03/20/2013
  • Status: Active Grant
First Claim
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1. A finger-worn ring that harvests short range wireless energy, comprising:

  • a small interaction area on an outer portion of the finger-worn ring facing towards the palm of a user'"'"'s hand, the small interaction area comprising actuators arranged in a pattern comprising a center actuator and actuators surrounding the center actuator in a circular pattern on the interaction area to sense user input actions for controlling items displayed on a display;

    an inductor and circuitry that is used for scavenging of short range wireless energy from a device that is transmitting the wireless energy for a purpose other than charging;

    a battery that stores the scavenged energy; and

    a microprocessor that monitors battery level and decides when to activate energy scavenging to charge the battery; and

    a wireless link that communicates the user input actions to a computing device using the scavenged energy stored in the battery to control items displayed on a display of the computing device using the communicated user input actions.

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