公开(公告)号：US06636072B1

公开(公告)日：2003-10-21

申请号：US09624640

申请日：2000-07-25

申请人： Philippe Maugars ,  Christophe Declercq

发明人： Philippe Maugars ,  Christophe Declercq

IPC分类号： H03K190175

CPC分类号： H04L5/18

摘要： The invention relates to a data transmission device between two separate lines. This device comprises a real terminal (TRA, TRB) and a virtual terminal (TVA, TVB) associated with each of the lines. The state of a real terminal is that of the associated line. The state of a virtual terminal indicates whether the associated line is transmitting or able to receive a data. Each real terminal associated with a line controls the state of the virtual terminal associated with the other line by means of a control signal (COM), while said virtual terminal controls the state of its associated real terminal (CTRL), and accordingly of the line. A virtual terminal associated with a receiving line receives the control signal (COM) coming from the real terminal associated with the other line and inhibits (INH) the real terminal associated with this receiving line. The inhibited real terminal of the receiving line accordingly is no longer capable of sending a control signal (COM) as long as the other line is transmitting. According to the invention, two lines cannot transmit at the same time, while the switching of the transmission device is fast.

摘要翻译： 本发明涉及两条分离线之间的数据传输装置。 该设备包括与每个线路相关联的实际终端（TRA，TRB）和虚拟终端（TVA，TVB）。 真实终端的状态是相关行的状态。 虚拟终端的状态指示相关联的线路是发送还是能够接收数据。 与线路相关联的每个实际终端通过控制信号（COM）来控制与另一线路相关联的虚拟终端的状态，而所述虚拟终端控制其相关联的实际终端（CTRL）的状态， 。 与接收线相关联的虚拟终端接收来自与另一线相关联的实际终端的控制信号（COM），并禁止（INH）与该接收线相关联的实际终端。 相应地，接收线路的被禁止的实际终端不再能够发送控制信号（COM），只要另一条线路正在发送。 根据本发明，在传输设备的切换很快时，两条线路不能同时发射。