Inductively-powered data storage card

Details Inductively-powered data storage card Inductively-powered data storage card

G - Physics

06

K

352/57

G06K 7/10 (2006.01) G01D 9/00 (2006.01) G11C 7/00 (2006.01)

Patent

CA 1278378

ABSTRACT A portable data storage card is provided for storing and carrying digital data to be accessed or modified at fixed locations. The pocket-sized card has a durable sealed case, devoid of electrical connectors. Data is stored in an internal Electrically Erasable PROM, which includes memory control circuitry. The card is inserted into a reader/programmer at a fixed location and receives power from an inductive source in the reader/programmer by means of an internal coil. Data transfer between the card and the external reader/programmer unit is effected by infared optoelectronic devices, through the case of the card, which is transmissive to infared light. The reader/programmer controls a user s access to the data stored on the card, requiring a user to supply a secure identification code to access the stored data.

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