Title:
通信システム
Document Type and Number:
Japanese Patent JP5728459
Kind Code:
B2
Abstract:
In a communication system, nodes are coupled to a transmission path in a bus topology. The nodes communicate with each other via the transmission path using communication signals that have a communication frequency and are synchronized with a power supply signal. Each of the nodes includes a coupling portion that transmits and receives the communication signal and the power supply signal using electromagnetic induction in non-contact with the transmission path. Each of the nodes determines whether a collision of the communication signals occurs on the transmission path based on a voltage level of a signal that has the communication frequency and is induced at the coupling portion.
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Inventors:
Yoshie Sugiura
Tomohiro Murase
Hirokazu Oyabu
Royal sail
Takaoka Akira
Tomohiro Murase
Hirokazu Oyabu
Royal sail
Takaoka Akira
Application Number:
JP2012247470A
Publication Date:
June 03, 2015
Filing Date:
November 09, 2012
Export Citation:
Assignee:
株式会社デンソー
株式会社日本自動車部品総合研究所
株式会社日本自動車部品総合研究所
International Classes:
H04B3/54; H04B5/02; H04L29/00; H04W74/08; H04W84/10
Domestic Patent References:
| JP58131838A | ||||
| JP2000151479A | ||||
| JP10084303A | ||||
| JP10327093A | ||||
| JP11008563A | ||||
| JP7015393A |
Attorney, Agent or Firm:
Nagoya International Patent Service Corporation