Patent ID: 6373597
Filing Date: 2002-04-16
Classification: H04N

Abstract:
A facsimile signal transmission system for outputting a digital command signal (DCS signal), an echo protect tone signal (EPT signal), a training signal, a training check signal (TCF signal), an image signal, and a control signal of facsimile signals in sequence from a transmission facsimile terminal to a reception facsimile terminal, said system comprising the steps of:starting a first timer operated for a first predetermined time if an IDLE message signal output from a transmission party at the end of the DCS signal is received in a reception party; starting sending of the EPT signal to the reception facsimile terminal when the first predetermined time has elapsed; starting a second timer operated for a second predetermined time at the same time as sending of the EPT signal being started; terminating the sending the EPT signal when the second predetermined time has elapsed; starting a third timer operated for a third predetermined time at the same time as sending of the EPT signal is terminated; and starting sending of the training signal to the reception facsimile terminal when the third predetermined time has elapsed.