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Cordless telephone system having automatic control of transmitter power and frequency in response to changing conditions

  • US 5,528,623 A
  • Filed: 10/26/1994
  • Issued: 06/18/1996
  • Est. Priority Date: 10/26/1994
  • Status: Expired due to Fees
First Claim
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1. A communications system comprising at least two communications units, each communications unit further comprising a transmitter and a receiver, said transmitter capable of transmitting at a plurality of output power levels and in a first mode on a single selected frequency and in a second mode hopping among a plurality of different frequencies, a control unit for controlling power level and frequency of transmission of each of said transmitters in response to indicators of transmission quality, and wherein said control unit switches said transmitter between said first and second modes in response to changing communications quality indicators.

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