Title:
COMMUNICATION DEVICE AND COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2016/189947
Kind Code:
A1
Abstract:
A communication device 001 that performs bidirectional multiplex communication between a plurality of slave communication devices 002a-002d and the communication device is provided with: a first port 004a connected to one end section of a transmission line 003 to which the slave communication devices are connected; a second port 004b connected to the other end section of the transmission line; and a current detection unit 005a connected to the first port and the second port. An operation voltage is supplied from the communication device to the slave communication devices, a change of the quantity of a current flowing in the first port and/or the second port is detected by means of the current detection unit, and on the basis of the current quantity change, occurrence of disconnection in the transmission line is detected.
Inventors:
FUJIWARA RYOSUKE (JP)
HARA KAZUNORI (JP)
HARA KAZUNORI (JP)
Application Number:
PCT/JP2016/059388
Publication Date:
December 01, 2016
Filing Date:
March 24, 2016
Export Citation:
Assignee:
HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
International Classes:
H04L12/43; H04L12/42
Foreign References:
JP2006165656A | 2006-06-22 | |||
JPH10294750A | 1998-11-04 |
Other References:
See also references of EP 3306864A4
Attorney, Agent or Firm:
TSUTSUI & ASSOCIATES (JP)
Patent business corporation Tsutsui international patent firm (JP)
Patent business corporation Tsutsui international patent firm (JP)
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