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:
Sep. 10, 2013
Filed:
May. 20, 2009
Applicants:
Holger Büttner, Berlin, DE;
Karl Weber, Altdorf, DE;
Inventors:
Holger Büttner, Berlin, DE;
Karl Weber, Altdorf, DE;
Assignee:
Beckhoff Automation GmbH, Verl, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 1/16 (2006.01); H04L 12/437 (2006.01);
U.S. Cl.
CPC ...
H04L 12/437 (2013.01);
Abstract
A communication system comprises a first and a second master unit and at least one slave unit, wherein the second master unit is switched into a data transmission chain reaching from the first master unit to the slave unit in order to continue data transmission if a link fault occurs.