Patent · US Expired

File processing unit

US7013392B1 · kind B1 · utility

11Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 27, 2000
Grant dateMar 14, 2006
Priority date
Expiry dateApr 27, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F21/64
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A file processing unit comprises a first signature information producing unit that produces first signature information in accordance with a predetermined rule utilizing the data of a file designated by a file close request issued in an application used in a computer system, and a signature information storage control unit that stores the first signature information, correlated with the file designated by the file close request, in a storage unit.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.