Communication method for the transmission of TT ethernet messages in a distributed real time computer system

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United States of America Patent

PATENT NO 9356800
APP PUB NO 20130142204A1
SERIAL NO

13749777

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Abstract

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The goal of the present invention is to improve the useful data efficiency and reliability in the use of commercially available ETHERNET controllers, in a distributed real time computer system, by a number of node computers communicating via one or more communication channels by means of TT ETHERNET messages. To achieve this goal, a distinction is made between the node computer send time (KNSZPKT) and the network send time (NWSZPKT) of a message. The KNSZPKT must wait for the NWSZPKT, so that under all circumstances, the start of the message has arrived in the TT star coupler at the NWSZPKT, interpreted by the clock in the TT star coupler. The TT star coupler is modified, so that a message arriving from a node computer is delayed in an intelligent port of the TT star coupler until the NWSZPKT can send it precisely at the NWSZPKT into the TT network.

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Patent Owner(s)

Patent OwnerAddress
PHOTONICS WEST LLC905 WEST MAPLE ROAD CLAWSON MI 48017

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bauer, Gunther Vienna, AT 15 242
Hall, Brendan Eden Prairie, US 67 952
Kopetz, Hermann Baden, AT 47 312
Paulitsch, Michael Columbia-Heights, US 54 604
Steiner, Wilfried Vienna, AT 32 207
Wachter, Matthias Vienna, AT 6 59

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