Patent · US Expired

Local network with redundancy properties having a redundancy manager

US6430151B1 · kind B1 · utility

26Cited by

8References

8Claims

0Family size

Assignees

Siemens Aktiengesellschaft · DE
Richard Hirschmann GmbH · DE

Inventors

Karl Glas · Herzogenaurach, DE
Joachim Lohmeyer · Hilpoltstein, DE
Rolf Reuschen · Neuffen, DE
Bernhard Schmid · Friedberg, DE

Key dates

Filing date	Sep 11, 2000
Grant date	Aug 6, 2002
Priority date	—
Expiry date	Nov 14, 2020

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2001/0095
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

An Ethernet network with redundancy properties and an associated method for detecting and eliminating errors in the network. A redundancy manager (6), which is connected to the line ends of the network (1), checks the status of the network by transmitting and receiving test telegrams. If there is an interruption in the network, the redundancy manager (6) connects the line ends (7, 8) and thereby ensures continued network operation within milliseconds. The network has a loop structure that is less expensive than a dual bus structure even though fast media redundancy is ensured.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.