Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1997-02-21
1998-05-19
Safourek, Benedict V.
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370465, 395309, H04L 1266, H04B 120
Patent
active
057545480
ABSTRACT:
In a local communication system comprising a number of devices (14,16) interconnected by a first data bus (20) supporting a first set of communication protocols, and at least one further device (10) connected to a second bus (12) not supporting those protocols, a gateway device (18) is provided linking the first and second data buses enabling communications therebetween. The first set of protocols specifies a maximum time for response by a first device to a request sent by a second device. When a request is sent from a device (14) on the first bus to the further device (10), the gateway (18) times the request and, if no response is received from the further device within the specified maximum response time, the gateway (18) generates and sends a temporary response to the requesting device (14). The system may comprise two or more clusters of devices, each being linked to the further bus (12) by respective gateway devices (18,22).
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Hoekstra Jelle
Van Steenbrugge Bernard
Barschall Anne E.
Rao Seema S.
Safourek Benedict V.
U.S. Philips Corporation
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