Patent · US Expired

Information management method and recording medium

US6247131A · kind A · utility

23Cited by
16References
45Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 3, 1997
Grant dateJun 12, 2001
Priority date
Expiry dateOct 3, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F21/16
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A program ID is provided for each authoring program, the program ID of the authoring program is copied to the program ID whenever the authoring program processes contents, and contents ID are newly generated and provided also for each contents. Thereby, the management of an authoring program or contents such as assuring of copyright, preventing of alteration, or maintaining of security is simplified.

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