The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 17, 1996
Filed:
May. 24, 1995
Yuuki Yoshifuji, Tokyo, JP;
Miyuki Harashima, Kanagawa, JP;
NEC Corporation, Tokyo, JP;
Abstract
A data updating system includes a current data storage unit for storing a current data. The current data includes a plurality of data rows, each of which is a set of data elements required to achieve a function. Each of the data elements is assigned with an identifier. A back-up section executes a back-up process, i.e., reads out data elements of a data row associated with an update instruction and stores it in a buffer memory. An update section overwrite new data elements designated by the update instruction on the associated data row in the storage unit in units of data elements after the back-up. When the overwrite is unsuccessful on a particular one of the new data elements, a recover section executes a recover process, i.e., reads the data elements from the buffer memory and writes them in the storage unit to recover the whole current data.
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