Patent · US Expired

Portable storage medium and processing apparatus therefor

US5498860A · kind A · utility

9Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 9, 1994
Grant dateMar 12, 1996
Priority date
Expiry dateMar 9, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07B15/02
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A magnetic recording layer for storing information is formed on the lower surface of a card, and a protective film is formed on the magnetic recording layer. Permanent information, e.g., the valid term of the card and the name of a user, and variable information, e.g., card use history information, are magnetically recorded on the magnetic recording layer. A printed layer is formed on the upper surface of the card. Permanent information such as the valid term of the card and the name of the user is printed on the printed layer. A braille portion indicating purpose of the card in braille is formed on the upper surface of the card.

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