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Switching device and portable telephone

  • US 20020155856A1
  • Filed: 09/18/2001
  • Published: 10/24/2002
  • Est. Priority Date: 04/20/2001
  • Status: Active Grant
First Claim
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1. A switching device having a wheel rotating about a rotary shaft, comprising:

  • a movable mechanism for allowing said wheel to move to one side and the other side approximately along a direction of extension of said rotary shaft; and

    first and second switches disposed on said one side and said other side while sandwiching said wheel, each of which performs a switching operation when being come into contact with said wheel by said movable mechanism.

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