Title:
PACKET COMMUNICATION SYSTEM, AND INFRASTRUCTURE SYSTEM, BUILDING AUTOMATION SYSTEM, AND FACTORY AUTOMATION SYSTEM USING PACKET COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/162084
Kind Code:
A1
Abstract:
[Problem] To provide a packet communication system that uses a multidrop method in which high-speed communication is possible even in systems for infrastructure, factory automation, building automation, and the like. [Solution] According to the present invention, a first terminal device 300A connected to a first control subject 400A, a second terminal device 300B connected to a second control subject 400B, and a central device 200 which receives as input information outputted from the first control subject 400A and outputs an instruction based on the information to the second control subject 400B, are connected to each other by multidrop, wherein the second terminal device 300B is a device that, when predetermined information is outputted from the first terminal device 300A, executes processing based on the information without waiting for the instruction from the central device 200.
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Inventors:
MUGITANI TOMIHIRO (JP)
NAKAJIMA TATSUHIKO (JP)
NAKAJIMA TATSUHIKO (JP)
Application Number:
PCT/JP2019/051523
Publication Date:
August 13, 2020
Filing Date:
December 27, 2019
Export Citation:
Assignee:
STEP TECHNICA CO LTD (JP)
International Classes:
H04L12/28
Foreign References:
| JPH09326808A | 1997-12-16 | |||
| JP2016181795A | 2016-10-13 | |||
| JP2008054040A | 2008-03-06 | |||
| JP2018174550A | 2018-11-08 | |||
| JP2017135711A | 2017-08-03 | |||
| JP2012049681A | 2012-03-08 | |||
| JP2001268535A | 2001-09-28 | |||
| JPH09326808A | 1997-12-16 |
Attorney, Agent or Firm:
YAMAUCHI, Hiroaki (JP)
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