Patent · US Expired

Processing method and system of data management for IC card

US6805296B2 · kind B2 · utility

4Cited by
16References
9Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 28, 2001
Grant dateOct 19, 2004
Priority date
Expiry dateJun 28, 2021

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07F7/1025
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

In accordance with the invention, a method and system is provided wherein IC card information can be changed in either of two ways: (1) the information stored in IC card is changed independently of the information that the center facility maintains, and then the corresponding IC card information maintained by the center facility is updated to reflect the changes made in the IC card, and (2) the IC card information maintained in the center apparatus is changed, and then the corresponding information in the IC card is updated to reflect the changes made in the center apparatus.

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