Smart card used as e.g. bank pass, has screen connected to chip for displaying information stored in card memory

摘要

#CMT# #/CMT# The card includes a screen (5) connected to the chip (3) in order to be able to display information stored in the card memory without the need to connect the screen to a power supply. Power is supplied to the screen when the card is introduced into a payment machine. This information remains visible for more than one week and is displayed via a medium comprising electrically charged black and white particles in a carrier fluid. #CMT#USE : #/CMT# For use as a bank pass (chip card) or telephone card. #CMT#ADVANTAGE : #/CMT# The balance of money or credits stored on the card can be checked at any time without the need for a dedicated card reader. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The figure shows a plan view of the card. 3 : Chip 5 : Display screen.