Patent · US Expired

Data carrier

US5473145A · kind A · utility

12Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 21, 1994
Grant dateDec 5, 1995
Priority date
Expiry dateJun 21, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/133308
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

The invention is a data carrier comprising a carrier base structure, a non-volatile, electrically erasable and programmable memory designed to store the data, a data sending-receiving unit for receiving data from a control unit and transmitting data to a coding and/or reading station, a liquid crystal display, means for making visible on the liquid crystal display the data contained in the memory, and a power supply means having a power source arranged in the data carrier.

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