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:
Oct. 15, 2002
Filed:
Oct. 17, 1997
Applicant:
Inventors:
Manfred Kramer, Giessen, DE;
Olaf Ziegler, Geilnau, DE;
Volkmar Schneider, Angelburg, DE;
Rainer Thüringer, Giessen, DE;
Assignee:
ELAN Schaltelemente GmbH & Co. KG, Wettenberg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 3/14 ;
U.S. Cl.
CPC ...
H04J 3/14 ;
Abstract
Subject of the invention is a serial bus system with two data lines ( ), connected at one end to a central bus subscriber ( ) and to an active bus subscriber at the other end ( ). The central and the active bus subscriber transmits status messages over the bus ( ) whose bus lines are physically passed through in the bus subscribers ( ) between the two ends. In case of missing status messages or error in the status messages, the central bus subscriber ( ) brings the bus system into a fail-safe state.