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Patent Searching and Data


Title:
COMMUNICATION CONTROL DEVICE AND COMMUNICATION CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/167415
Kind Code:
A1
Abstract:
The present invention is provided with: one or more transmission/reception means for transmitting and receiving a synchronization packet containing time information by being connected to a network constituting a communication channel for the synchronization packet; and a processing means for processing the synchronization packet received by the transmission/reception means. When a second communication channel, which is redundant with respect to a first communication channel, is included as a communication channel to the addressee of the synchronization packet, the processing means corrects the time information belonging to the synchronization packet on the basis of a delay difference between a first communication delay when the synchronization packet is communicated through the first communication channel and a second communication delay when the synchronization packet is communicated through the second communication channel.

Inventors:
MARUYAMA, Tatsuya (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
KIDO, Mitsuyasu (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
YOSHIDA, Shoji (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
TAKAMI, Kazuhisa (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
Application Number:
JP2018/047973
Publication Date:
September 06, 2019
Filing Date:
December 26, 2018
Export Citation:
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Assignee:
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
International Classes:
H04L7/00; H04L12/70; H04L12/709
Domestic Patent References:
WO2015177902A12015-11-26
Foreign References:
JP2013247506A2013-12-09
JP2013207452A2013-10-07
JP2014183386A2014-09-29
Attorney, Agent or Firm:
SUNNEXT INTERNATIONAL PATENT OFFICE (Seafort Square Center Building, 16F 2-3-12, Higashishinagawa, Shinagawa-k, Tokyo 02, 〒1400002, JP)
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