Title:
TRANSMITTER-RECEIVER
Document Type and Number:
Japanese Patent JP3412397
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain the transmitter-receiver by which a function of a system is maintained even on the occurrence of disconnection of a line.
SOLUTION: Two lines as a main line 1A and a sub line 1B are communication lines to interconnect a master station A and a plurality of slave stations B. The master station A and a plurality of the slave stations B send the same data to both of the two lines in the case of transmission. The reception is conducted basically by using the main line 1A, and the master station A and a plurality of the slave stations B detecting a line fault select the sub line 1B automatically as the reception line by the operation of a reception changeover circuit 4.
Inventors:
Naoki Hioki
Application Number:
JP12586596A
Publication Date:
June 03, 2003
Filing Date:
May 21, 1996
Export Citation:
Assignee:
Daifuku Co., Ltd.
International Classes:
B65G1/04; B65G1/137; B65G61/00; G05B23/02; H04B1/74; H04B3/60; H04L12/40; (IPC1-7): H04L12/40
Domestic Patent References:
| JP2143625A | ||||
| JP294847A |
Attorney, Agent or Firm:
Shigeaki Yoshida (2 outside)