The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2012
Filed:
Nov. 29, 2006
Geon Yoon, Gyeonggi-do, KR;
Geon Yoon, Gyeonggi-do, KR;
LS Industrial Systems Co., Ltd., Seoul, KR;
Abstract
A hub-free network system is provided in which control systems can operate normally for mutual communications, even though one of the plurality of control systems malfunctions. Each of the plurality of control systems has a network interface card, and each of the network interface cards has a plurality of communication ports. Each of the network interface cards has a phase structure of ring topology by sequentially connecting a plurality of the communication ports. The plurality of the control systems perform the communications in the phase structure of ring topology, and perform the communications by changing the phase structure of ring topology to a phase structure of bus topology if an error occurs in the communications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile