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Command input device combinable with portable communication apparatus

  • US 20040180693A1
  • Filed: 10/30/2003
  • Published: 09/16/2004
  • Est. Priority Date: 03/12/2003
  • Status: Active Grant
First Claim
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1. A command input device for use with a digital data processing system and a portable communication apparatus, comprising:

  • a signal connector detachably plugged to a socket of said portable communication apparatus; and

    a command generator electrically connected to said signal connector and asserting a command signal to said digital data processing system via local wireless transmission modules of said portable communication apparatus and said digital data processing system.

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