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Interactive devices

  • US 10,534,496 B2
  • Filed: 04/15/2016
  • Issued: 01/14/2020
  • Est. Priority Date: 03/14/2007
  • Status: Active Grant
First Claim
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1. An interactive device comprising:

  • a housing;

    a display disposed in the housing and defining a viewing plane, the display is configured to convey a digital image to a user;

    a light transmissive element forming a cover layer proximate to the display;

    an emitter disposed in the housing, the emitter radiating light for reflection by a stylus in proximity of the interactive device;

    an array of detectors disposed in the housing and positioned proximate to the light transmissive element, the array of detectors includes one or more detectors configured to detect at least a portion of light reflected by the stylus and transmitted through the light transmissive element, wherein the portion of light reflected by the stylus includes light emitted by the stylus; and

    a processor disposed in the housing, the processor is configured to;

    receive an output corresponding to the portion of light detected by the one or more detectors;

    determine a radiation pattern corresponding to the portion of light incident on the light transmissive element, the radiation pattern defining at least one of a shape or a size;

    determine a position of the stylus relative to at least a portion of the interactive device based on the radiation pattern;

    determine the position of the stylus corresponds to an input; and

    execute a function based on the input.

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