Title:
マスター/スレーブ構造を有する通信システム
Document Type and Number:
Japanese Patent JP4904399
Kind Code:
B2
Abstract:
A communication system comprising a master unit and a plurality of slave units. In error mode, e.g. when a path error or a complete failure of a subscriber occurs, data transmission is carried out in a loop, starting from the master unit, via a first communication path and a second communication path.
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Inventors:
Buttner, Holger
Webr, curl
Webr, curl
Application Number:
JP2009527848A
Publication Date:
March 28, 2012
Filing Date:
November 27, 2007
Export Citation:
Assignee:
Beckhoff Automation Game Behr
International Classes:
H04L69/40; H04L12/437
Domestic Patent References:
| JP2005117135A | ||||
| JP2006166429A |
Foreign References:
| WO2005101749A1 | ||||
| WO2005053223A1 | ||||
| US20050129037 | ||||
| US20010011892 | ||||
| US3652798 |
Attorney, Agent or Firm:
Kenzo Hara International Patent Office