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Information handling system capacitive touch totem with optical communication support

  • US 10,496,216 B2
  • Filed: 11/09/2016
  • Issued: 12/03/2019
  • Est. Priority Date: 11/09/2016
  • Status: Active Grant
First Claim
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1. An information handling system comprising:

  • a processor operable to execute instructions to process information;

    a memory interfaced with the processor, the memory operable to store the information;

    a display interfaced with the processor and memory, the display operable to present the information as visual images, the display having touchscreen operable to detect touch inputs made at the display;

    a touch controller interfaced with the touchscreen and the processor, the touch controller operable to analyze touches detected at the touchscreen and to provide inputs determined from the analyzing to the processor;

    a totem resting on the touchscreen, the totem having plural contact regions at a bottom surface and integrating a totem processor and totem wireless interface; and

    a light panel disposed in the totem and exposed to the display when the totem is resting on the touchscreen, the light panel converting display illumination into an electrical current, the electrical current powering the totem processor and totem wireless interface;

    wherein the touch controller detects movement of the totem plural contact regions and converts the detected movement into inputs made at the touchscreen.

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