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Patent Searching and Data


Title:
COMMUNICATION SYSTEM USING ISDN LINE
Document Type and Number:
Japanese Patent JP2000069000
Kind Code:
A
Abstract:

To send/receive data accurately even in the case of communication using pluralities of B channels at the same time by absorbing a difference in a propagation delay time among pluralities of the B channels.

The communication system connecting with an ISDN line 422 with pluralities of B channels is provided with a B channel data storage circuit 412 that stores reception data on the B channels of the ISDN line 422 and a data storage input output control circuit 416 that is a control means controlling the B channel data storage circuit 412 and transmits received data stored in the B channel data storage circuit 412 when identifying a head of the received data in a prescribed timing, and absorbs a difference in propagation delay between the received data from the B channel data storage circuit 412 and the received data from the other B channel and a changeover circuit 417 synthesizes them.


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Inventors:
Fujihashi, Katsuo
Sasaki, Toshimitsu
Application Number:
JP1999000110234
Publication Date:
March 03, 2000
Filing Date:
June 27, 1990
Export Citation:
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Assignee:
HITACHI TELECOM TECHNOL LTD
International Classes:
H04N7/14; H04L7/00; H04L12/02; H04L29/00; H04L29/08; H04M11/00; (IPC1-7): H04L12/02; H04L29/08; H04M11/00; H04N7/14