APPARATUS AND METHOD FOR MODIFYING A FREQUENCY HOPPING SEQUENCE OF A CORDLESS TELEPHONE OPERATING IN A FREQUENCY HOPPING SYSTEM

摘要

A cordless telephone arranged for operation in a frequency hoppingsystem automatically modifies a frequency hopping sequence in the presence ofinterference detected on its in-use communication channels. Substitute alternativecommunication channels are identified and then substituted for those communicationchannels experiencing the interference without disruption of communicationsbetween a handset unit in the cordless telephone and its associated base unit.