Patent ID: 8107487
Filing Date: 2012-01-31
Classification: G06F,H03M,Y02D

Abstract:
1. A packet communication device for switching a packet to be transferred in packet communication which is time-managed in constant cycles, the packet communication device comprising: a changing section configured to change a portion of a first packet to be transmitted in each of the constant cycles, wherein: the time-managed packet communication represents isochronous transfers as supported based on IEEE 1394 standard; configuration of the first packet is compliant with the IEEE 1394 standard; the changing section represents a redundant bit changing section for changing redundant bits in the first packet; the packet communication device further comprises a plurality of packet transmitting devices; a transmitting device configured to transmit a packet next is designated from amongst the plurality of transmitting devices, based on a state of the portion of the first packet to be transmitted to the plurality of packet transmitting devices, in each of the constant cycles; both a transmitting device and a receiving device for second packets which are transferred isochronously have the redundant bit changing section; at least either one of the transmitting devices and the receiving device comprises: the transmitting device and the receiving device comprise: