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Digitizer tablet with reduced radiation susceptibility

  • US 5,113,042 A
  • Filed: 11/20/1990
  • Issued: 05/12/1992
  • Est. Priority Date: 11/20/1990
  • Status: Expired due to Fees
First Claim
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1. A method of operating a digitizer tablet employing an electrode array adjacent a working surface and a pointing device wherein the electrode array is scanned at a given scan rate to obtain signals representative of the position of the pointing device over the working surface, said signals after processing including filtering being outputted for use by a controlled display to produce on the display objects representative of the pointing device position, said display objects exhibiting undesired wobble, the steps comprising:

  • (a) introducing controlled delay to modify the tablet scan rate to reduce or eliminate the wobble.

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