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Patent Searching and Data


Title:
BACKUP MEMORY CONTROL SYSTEM
Document Type and Number:
Japanese Patent JPH0784891
Kind Code:
A
Abstract:

PURPOSE: To securely hold line setting information in a backup memory.

CONSTITUTION: This system has a transfer request generation part 3 which generates a request to transfer line setting data when line setting data of line setting parts 5 and 6 that are currently used are modified or when the operation systems of the line setting parts 5 and 6 are switched, a timer 2 which is triggered with the transfer request and then reports the transfer request after a certain time is elapsed without receiving a new actuation trigger, and a backup memory control part 1 which transfers the line setting data of the line setting parts 5 and 6 to the backup memory 4 at the transfer request transferred from the timer 2.


Inventors:
Hino, Masataka
Application Number:
JP1993000228424
Publication Date:
March 31, 1995
Filing Date:
September 14, 1993
Export Citation:
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Assignee:
NEC CORP
International Classes:
G06F12/16; H04M3/22; H04Q11/04; (IPC1-7): G06F12/16; H04M3/22; H04Q11/04
Domestic Patent References:
JPS6172456A1986-04-14
Attorney, Agent or Firm:
後藤 洋介 (外2名)