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Cordless telephone network

  • US 5,020,094 A
  • Filed: 08/01/1989
  • Issued: 05/28/1991
  • Est. Priority Date: 12/23/1987
  • Status: Expired due to Fees
First Claim
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1. A cordless telephone network including a hand-held unit having a memorized distinctive ID code and including a cordless telephone transmitter/receiver means for cordlessly communicating 2-way calls between said hand-held unit and any one of a plurality of base units, said any one of said base units and said hand-held unit including a means for scanning a plurality of cordless telephone channels when said hand-held unit is making a call and when it is receiving a call, said hand-held unit further including a means for monitoring said plurality of channels during said scanning to determine if its hand-held unit ID code is transmitted on any one of said channels when said hand-held unit is receiving a call, and for determining if a base unit is transmitting a channel clear signal when said hand-held unit is making a call;

  • said network further comprising a plurality of base units each including a means for transmitting a channel clear signal.

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