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Information technology device input systems and associated methods

  • US 10,185,406 B2
  • Filed: 03/14/2013
  • Issued: 01/22/2019
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. A method for generating a control signal to control an information technology device, comprising:

  • periodically capturing, using an image sensor, control images of a light source of a remote controller positioned within a field of view of the image sensor;

    identifying, within a previous control image, a previous location of light emitted from the light source;

    identifying, within a current control image, a current location of light emitted from the light source;

    storing the previous location and the current location in a memory such that the previous location and the current location are simultaneously retained in the memory;

    determining a vector representing movement between (a) the current location and (b) the previous location;

    generating a movement control signal including at least a magnitude and a direction, based upon the vector representing movement;

    sending the movement control signal to the information technology device;

    detecting, within the current control image, a current intensity of the light emitted from the light source;

    determining a change in intensity of the light emitted from the light source between (a) the current intensity of the light emitted from the light source and (b) a previous intensity of the light emitted from the light source; and

    generating a function control signal to control the information technology device based at least partially on the change in intensity of the light emitted from the light source.

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