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Method and apparatus for personalized conference and hands-free telephony using audio beaming

  • US 6,937,718 B2
  • Filed: 09/04/2002
  • Issued: 08/30/2005
  • Est. Priority Date: 09/04/2002
  • Status: Expired due to Term
First Claim
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1. A method for providing a private speaker phone output signal, comprising:

  • providing a voice communication device;

    receiving at said voice communication device a transmitted first voice signal;

    providing a first acoustic transducer interconnected to said voice communication device;

    outputting a first ultrasound signal from said first acoustic transducer, wherein said first ultrasound signal produces an audible reproduction of said first voice signal along a first projection path;

    receiving at said voice communication device a transmitted second voice signal;

    providing a second acoustic transducer interconnected to said voice communication device; and

    outputting a second ultrasound signal from said second acoustic transducer, wherein said second ultrasound signal produces an audible reproduction of said second voice signal along a second projection path.

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