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Method and system for automatically activating and deactivating a speakerphone

  • US 5,712,911 A
  • Filed: 09/13/1995
  • Issued: 01/27/1998
  • Est. Priority Date: 09/16/1994
  • Status: Expired due to Term
First Claim
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1. A telephone system, comprising:

  • a ring detector for detecting when an incoming call placed by a caller via a central switching network is received at an installation maintained by a subscriber;

    a proximity sensor for sensing whether the subscriber is present within a predetermined proximity zone of said installation;

    a speakerphone comprising a microphone and a loudspeaker; and

    controller means for enabling the subscriber to engage in conversation with the caller via said speakerphone when said proximity sensor senses that the subscriber is present within said predetermined proximity zone by automatically activating the speakerphone in response to said incoming call, and for automatically deactivating the speakerphone upon termination of said incoming call.

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