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Portable mobile unit

  • US 20010014616A1
  • Filed: 01/04/2001
  • Published: 08/16/2001
  • Est. Priority Date: 01/07/2000
  • Status: Active Grant
First Claim
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1. A portable mobile unit capable of alerting on incoming of a signal by a ringing sound, comprising:

  • a ringing sound generator having a plurality of sound sources therewith; and

    a controller for controlling operations of said portable mobile unit, wherein said controller controls said ringing sound generator so as to generate the ringing sound using at least one of said sound sources upon basis of a predetermined condition when the signal comes in.

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