A receiving modem is locked to a transmitting modem by employing a burst data and clock signal having an effective data rate compatible with the data rate of a receiving data set. The receive modem processes a transmitted analog signal as sent by the transmitting modem to provide a digital signal which...http://www.google.fr/patents/US4856030?utm_source=gb-gplus-shareBrevet US4856030 - Apparatus and methods of locking a receiving modem to a transmitting modem employing a burst signal
Apparatus and methods of locking a receiving modem to a transmitting modem ...
