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Speakerphone feature for a wireless handset

  • US 6,434,407 B1
  • Filed: 12/03/1999
  • Issued: 08/13/2002
  • Est. Priority Date: 12/03/1999
  • Status: Expired due to Term
First Claim
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1. A wireless handset comprising:

  • a protective housing;

    receiving circuitry configured to receive RF signals and output sound signals;

    an earpiece speaker connected to receive some of the sound signals from the receiving circuitry and positioned to project corresponding sound waves through a first surface of the housing;

    a second speaker connected to receive others of the sound signals from the receiving circuitry and positioned to project corresponding sound waves through a second surface opposing the first surface, where the second speaker operates at a higher volume than the earpiece speaker; and

    wherein the second surface is shaped so that, when the second surface rests against a rigid surface, the sound waves projecting from the second speaker through the second surface strike the rigid surface at an acute angle.

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