Capacitive keyboard with non-locking reduced keying ambiguity

  • US 9,024,790 B2
  • Filed: 01/10/2012
  • Issued: 05/05/2015
  • Est. Priority Date: 07/12/2002
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • plurality of keys;

    control logic operatively coupled to the plurality of keys and configured to;

    analyze, to determine a first active key, respective first signal values of the plurality of keys;

    assign, based at least on the respective first sensor values of the plurality keys, a first key as the first active key; and

    analyze, to determine a second active key, respective second signal values of the plurality of keys, the analysis, to determine the second active key, of the respective second signal values of the plurality of keys being biased in favor of the first key.

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