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Portable telephone

  • US 20030003967A1
  • Filed: 07/19/2002
  • Published: 01/02/2003
  • Est. Priority Date: 01/25/2000
  • Status: Active Grant
First Claim
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1. A portable telephone having a communicator for receiving and transmitting signals with base stations by radio communication to secure conversation with an external telephone terminal, comprising:

  • a vibration sensor for detecting vibration applied to the portable telephone;

    a musical tone generator for generating musical tones of a prescribed musical tune;

    a rhythm sound signal generator for generating rhythm sound signals in synchronization with the musical tones of the prescribed musical tune;

    a rhythm difference detector for detecting timing differences between outputs of the vibration sensor and the rhythm sound signals;

    a scorer for marking a score based on the timing differences detected by the rhythm difference detector; and

    a display for displaying the score on a screen thereof.

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