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Hand-Held Controllers with Light-Emitting Diodes Synchronized to an External Camera

  • US 20160364910A1
  • Filed: 06/11/2015
  • Published: 12/15/2016
  • Est. Priority Date: 06/11/2015
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • at a hand-held controller for a virtual-reality system, the hand-held controller comprising an antenna, a grip, a cage coupled to the grip, and a plurality of light-emitting diodes (LEDs) on an outer surface of the cage;

    receiving wireless signals from a remote camera via the antenna; and

    duty-cycling the plurality of LEDs, the duty-cycling comprising turning on the plurality of LEDs at times determined using the wireless signals;

    wherein the times when the plurality of LEDs is turned on correspond to times when the remote camera captures images of the hand-held controller.

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