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Controlling text symbol display size on a display using a remote control device

  • US 7,379,078 B1
  • Filed: 10/26/2005
  • Issued: 05/27/2008
  • Est. Priority Date: 10/26/2005
  • Status: Expired due to Fees
First Claim
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1. A method for controlling text symbol display size on a display of a display unit responsive to a distance of a remote control device from the display unit comprising:

  • receiving one or more digital output values, each digital output value corresponding to a distance measurement between a remote control device and the display unit;

    determining a symbol height based on the one or more distance measurements which comprises determining the symbol height based on a distance value (d1) represented by the one or more distance measurements, a pre-configured distance (d2) representing the distance from a viewer'"'"'s eye to the remote control device, and an angle (f) approximately equal to an angle for a human fovea in accordance with 2 multiplied by (d1+d2) multiplied by tan(f/2); and

    adjusting symbol size of text content on the display based on the determined symbol height.

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