Resources Contact Us Home
IC card system

Image Number 2 for United States Patent #4755660.

An IC card system includes a memory, having a plurality of areas into which history data of transactions made with the use of an IC card is written, a detecting unit for calculating the number of available history data areas of plurality of data storage areas and display means provided in the IC terminal or IC card to clearly display that number as a remaining available data storage number.

  Recently Added Patents
Chemically resistant membranes, coatings and films and methods for their preparation
Toilet bowl
Data converter with configurable functions
Intermediate film for laminated glasses, and laminated glass
Porous polymeric resins
Methods and systems for managing electronic messages
Method for using a super-slippery thin layer characterized by the method for making same
  Randomly Featured Patents
Athletic ear guard assembly
Platform-independent DNT intelligent network
Exposing mask and production method therefor and exposing method
Video compression
Automotive wheel
Lighting device for operative site without cast shadow
Belt drive control device and image forming apparatus including the same
Image forming apparatus that can launch external applications selectively after shipment of the apparatus
Picture frame
System and method for analyzing web paths