The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 30, 1978

Filed:

May. 13, 1976
Applicant:
Inventor:

Roland Moreno, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ; G06K / ; G11C / ;
U.S. Cl.
CPC ...
235419 ; 235487 ;
Abstract

A portable independent electronic object designed for storing and transferring data confidentially intended for being coupled to a data transfer device; the said portable object comprising, at least one store module intended for the storage of data in an easily portable form, containing enabling data, coupling means accessible from outside the portable object, enabling the said portable object to be coupled temporarily with the said transfer device, circuits for control of the store, interconnected between the coupling means and the store; the said store and the control circuits being produced in the form of logical microstructures; an indentification comparator connected to the store and to the coupling means, intended for comparing the enabling data contained in the store with a confidential code supplied by the rightful owner of the portable object and introduced into the portable object by way of the said transfer device; the said portable object being characterized in that it includes in addition, a circuit for storage of the errors in confidential code, associated with the identification comparator, intended to keep track permanently of the errors in confidential code, the said storage circuit comprising at least one store element composed of a permanent store.


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