Patent · US Expired

Data communication apparatus, data communication system, data communication method, data communication program and information recording medium

US7388864B2 · kind B2 · utility

0Cited by
5References
25Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 9, 2003
Grant dateJun 17, 2008
Priority date
Expiry dateApr 10, 2026

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04L2001/0093
  • WIPO fieldDigital communication
  • WIPO sectorElectrical engineering

Abstract

when receiving reception error information from at least one of a plurality of other transfer destinations which indicates that data reception has not been performed properly as a result of the data transfer being performed by a multicast communication manner for a plurality of other transfer destinations, data re-transfer to the at least one of other plurality of transfer destinations is performed with one selected from the multicast and unicast communication manners according to the number of the at least one of other plurality of transfer destinations which has transmitted the reception error information.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.