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Communication Between Touch-Panel Devices

  • US 20110304583A1
  • Filed: 06/10/2010
  • Published: 12/15/2011
  • Est. Priority Date: 06/10/2010
  • Status: Active Grant
First Claim
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1. A touch-panel device comprising:

  • a processor;

    a detect electrode; and

    a controller coupled to the processor, the controller including a detection circuit coupled to the detect electrode, wherein the controller is configured to receive a first signal from the detect electrode with the detection circuit, detect a modulation in the received first signal, and determine information associated with the detected modulation, wherein the detected modulation in the first signal is indicative of a physical proximity between the touch-panel device and another touch-panel device, wherein the first signal is provided by a touch panel of the other touch-panel device.

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