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Antenna system for a wireless input system

  • US 20030137460A1
  • Filed: 12/17/2002
  • Published: 07/24/2003
  • Est. Priority Date: 01/18/2002
  • Status: Abandoned Application
First Claim
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1. An antenna system for a wireless input device comprising:

  • an antenna for radiating signals from the wireless input device; and

    a metallic conductor, separated from the antenna in a distance D and isolated from the antenna, for enhancing radiation efficiency;

    wherein D is less than 2 centimeters.

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