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Object sensing

  • US 20020190964A1
  • Filed: 05/22/2002
  • Published: 12/19/2002
  • Est. Priority Date: 06/14/2001
  • Status: Active Grant
First Claim
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1. A display and user input device, comprising:

  • a display substrate comprising a plate and display components formed on the plate; and

    an electric field sensing arrangement comprising electric field sensing components, the electric field sensing components comprising one or more electric field transmission electrodes, one or more electric field reception electrodes, and electric field sensing circuit components for driving the electric field transmission electrode or electrodes and sensing induced current in the electric field reception electrode or electrodes;

    wherein one or more of the electric field sensing components is formed on the plate.

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