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Local area network transferring data using isochronous and asynchronous channels

  • US 5,825,752 A
  • Filed: 09/25/1996
  • Issued: 10/20/1998
  • Est. Priority Date: 09/26/1995
  • Status: Expired due to Term
First Claim
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1. A network system comprising:

  • a plurality of nodes communicable with one another to exchange information and to transfer data; and

    a bus provided for connection to the nodes and for configuration of logical paths to logically link one node to another node so as to secure transfer of the data, whereineach node has at least one port which is allocated for accessing the bus and which is classified into four types of an isochronous talker, an isochronous listener, a multicast talker and a multicast listener,each node binding an isochronous channel number and a communication band to the isochronous talker when the same is allocated for isochronously transmitting the data labeled by the bound isochronous channel number to the bus through the bound communication band,each node binding an isochronous channel number to the isochronous listener when the same is allocated so that the isochronous listener can exclusively receive data transmitted from another isochronous talker allocated to another node if the transmitted data is labeled by the same isochronous channel number as that bound to the isochronous listener,each node binding a multicast channel number to the multicast talker when the same is allocated for asynchronously broadcasting data labeled by the bound multicast channel number to the bus, and otherwiseeach node binding a multicast channel number to the multicast listener when the same is allocated so that the multicast listener can exclusively receive data transmitted from another multicast talker allocated to another node if the transmitted data is labeled by the same multicast channel number as that bound to the multicast listener.

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