Patent ID: 6240064
Filing Date: 2001-05-29
Classification: H04L

Abstract:
A ring structure 1:N duplex communication equipment for performing bi-directional data communication comprising:a host device;a plurality of slave devices, wherein N equals the number of slave devices;a first bi-directional transmission line;a second bi-directional transmission line;wherein said host device and said plurality of slave devices are interconnected by said first and second bi-directional transmission lines, wherein said first bi-directional transmission line and said second bi-directional transmission line each forms a separate ring,said host device is provided with a host path distributing part connected to said first bi-directional transmission line for data transmission to said plurality of slave devices and a host path selecting part connected to said second bi-directional transmission line for data reception from said plurality of slave devices, andeach of said plurality of slave devices further comprising:a first slave path distributing part connected to said first bi-directional transmission line,a second slave path distributing part connected said first bi-directional transmission line,a first slave path selecting part connected to said first slave path distributing part and said second slave path distributing part,a second slave path selecting part connected to said second bi-directional transmission line,a path transmitting part connected to said second bi-directional transmission line, anda transmitted data control part connected to said path transmitting part and to said second slave path selecting part.