Communications: electrical – Continuously variable indicating – With meter reading
Patent
1991-08-15
1993-12-14
Weldon, Ulysses
Communications: electrical
Continuously variable indicating
With meter reading
34082552, 379211, H01H 6700
Patent
active
052707016
ABSTRACT:
A service processing system has a plurality of service processing nodes each having a single local data base, and a plurality of exchanges each of which is coupled user terminals. Said service processing nodes are coupled with one another through communication lines. A query by a user terminal is transferred to a local data base through an exchange to which the user terminal belongs. When a response to the query is stored in that data base, said response is directly given to the exchange from said local data base. On the other hand, when the local data base does not store the response the query of the user terminal is transferred to another service processing node which is designated by the local data base through the communication line between the service processing nodes. The response obtained in said other service processing node returns to the first local service processing node. Thus, the service to a user terminal is carried out by using a plurality of distributed data bases, each of which stores only local data.
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Fujioka Masanobu
Furuya Nobuo
Ikeda Yoshikazu
Ito Atsushi
Yagi Hikaru
Kokusai Denshin Denwa Co. Ltd.
Weldon Ulysses
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