TRANSMISSION SYSTEM COMPRISING AT LEAST TWO SUBSCRIBER DEVICES EXCHANGING INFORMATION SIGNALS BY THE SIMPLEX OR HALF-DUPLEX MODE

摘要

Transmission system comprising at least two subscriberdevices exchanging information signals in the simplexmode. This transmission system comprises at least a remoteand a new subscriber device (A1, B1) exchanging informa-tion signals in the simplex mode by means of a multiplex ofthe time-division type in which a control time interval isprovided. For a communication between a remote subscriberand a near subscriber, a control time interval (XCCH) isallocated for the transmission of a request to speak made byone of the subscribers. The request to speak received by theother subscriber is used for preventing him from transmit-ting.FIGURE 1