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Handwritten character recognition devices and electronic devices incorporating same

  • US 6,477,274 B1
  • Filed: 10/22/1999
  • Issued: 11/05/2002
  • Est. Priority Date: 10/22/1999
  • Status: Expired due to Term
First Claim
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1. A telecommunication device comprising:

  • a housing configured to enclose electronic components that transmit and receive telecommunication signals; and

    a handwritten character recognition device, comprising;

    a plurality of adjacent switches located on the housing in an array, wherein each switch in the array produces, in response to user activation during a handwriting stroke, a respective, different analog voltage;

    an analog/digital converter that converts a sequence of analog voltage signals produced by a user activating one or more of the switches during the handwriting stroke into a sequence of digital values; and

    a processor that processes the sequence of digital values and that recognizes an alphanumeric character that corresponds to the handwriting stroke of the user.

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