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Wireless telephone-to-wired telephone system interfacing

  • US 6,498,938 B1
  • Filed: 12/13/1999
  • Issued: 12/24/2002
  • Est. Priority Date: 12/13/1999
  • Status: Expired due to Fees
First Claim
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1. An integrated communication system for providing a wireless communication function to at least two different types of telephone systems comprising:

  • a wireless communications unit (WCU) including a first coupler;

    a hard-wired telephone system, including a first microphone, a first speaker, a first numeric keypad and a second coupler engageable and disengageable the first coupler to permit the transmission of signals between the WCU and the hard-wired telephone system, and permit removal and use of the WCU when separate from the hard-wired telephone system;

    a mobile telephone system, including a second microphone, a second speaker, a second numeric keypad and a third coupler engageable and disengageable with the first coupler to permit the transmission of signals between the WCU and the mobile telephone system, and permit removal and use of the WCU when separate from the mobile telephone system; and

    a power source coupled to the first coupler.

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