Title:
REAL-TIME COMMUNICATION DEVICE AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2000/014929
Kind Code:
A1
Abstract:
A communication system having an increased processing performance irrespective of the throughput of a CPU. A communication node is composed of a communication controller for transmitting information to be transmitted through a transmission line according to a transmission command and storing information received through the transmission line in a storage, and a data processor for calculating the time taken to transmit information from the node based on the received information and the information preset in the node by detecting the write of the information received by the communication controller, measuring the calculated time taken for the transmission from the time when the end of the write by the communication controller is detected, and notifying the communication controller of the command to transmit information from the node.
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Inventors:
OKURA YOSHINORI (JP)
YAMADA TSUTOMU (JP)
KUROSAWA KENICHI (JP)
YAMADA TSUTOMU (JP)
KUROSAWA KENICHI (JP)
Application Number:
PCT/JP1999/004581
Publication Date:
March 16, 2000
Filing Date:
August 25, 1999
Export Citation:
Assignee:
HITACHI LTD (JP)
OKURA YOSHINORI (JP)
YAMADA TSUTOMU (JP)
KUROSAWA KENICHI (JP)
OKURA YOSHINORI (JP)
YAMADA TSUTOMU (JP)
KUROSAWA KENICHI (JP)
International Classes:
G06F15/177; G06F13/00; H04L12/413; (IPC1-7): H04L12/40
Foreign References:
| JPH0426247A | 1992-01-29 | |||
| JPH01245634A | 1989-09-29 | |||
| JPS62169542A | 1987-07-25 |
Attorney, Agent or Firm:
Sakuta, Yasuo (Ltd. 5-1, Marunouchi 1-chome Chiyoda-ku Tokyo, JP)
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