Bridge for the IEEE 1394 bus

专利名称：Bridge for the IEEE 1394 bus发明人：Matsuda, Junichi申请号：EP99250033.0申请日：19990128公开号：EP0933900A3公开日：20021211

专利附图：

摘要：An initialization of local buses 14a to 14n, a definition of topology and a

management of isochronous resources are performed for every local bus. Each of portals12a to 12n includes an asynchronous packet discriminator 215 which discriminates anasynchronous packet sent by a terminal device and transfers it. The portals 12a to 12n

discriminate asynchronous packets sent by terminal devices in order to acquire

isochronous resources and secure isochronous resources on different buses. The portals12a to 12n transfer isochronous packets to different local buses by associating a receivedisochronous packet with a plug on the bridge bus side and a plug on the local bus sidewith an isochronous channel on the bus. Thus, the utilization efficiency of bus resource ina serial bus network is improved and a packet sent from a terminal device can betransferred to a different bus.

申请人：NEC CORPORATION

地址：7-1, Shiba 5-chome, Minato-ku Tokyo JP

国籍：JP

代理机构：Patentanwälte Wenzel & Kalkoff

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