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Directional speaker for portable electronic device

  • US 7,801,570 B2
  • Filed: 04/15/2004
  • Issued: 09/21/2010
  • Est. Priority Date: 04/15/2003
  • Status: Expired due to Fees
First Claim
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1. A peripheral apparatus for a personal, handheld wireless communication device, said peripheral apparatus comprising:

  • a directional speaker that provides ultrasonic sound output in a particular direction; and

    a controller operatively connected to said directional speaker, said controller operating to supply signals to said directional speaker so that the ultrasonic sound is output by said directional speaker,wherein the ultrasonic sound output by said directional speaker results in audio sound in the particular direction for a user of the personal, handheld wireless communication device, andwherein said peripheral apparatus is configured to be removeably connected to the personal, hand-held wireless communication device,wherein said peripheral apparatus is portable and able to be hand-held, andwherein while said peripheral apparatus is connected to the personal, hand-held wireless communication device and in use, the personal, hand-held wireless communication device with said peripheral apparatus remain portable and hand-held.

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