User interface device

  • US 6,924,789 B2
  • Filed: 08/29/2001
  • Issued: 08/02/2005
  • Est. Priority Date: 10/03/2000
  • Status: Active Grant
First Claim
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1. A user interface device for electronic apparatus, the device comprising a keypad having a plurality of keys each arranged to actuate a respective switch so as to provide a first type of user input for entering alphanumeric data and an integrally disposed impedance sensor so as to provide a second type of user input for operating the keypad as a touch sensitive pointing device.

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