US Patent 7815125 Microprocessor card

Patent 7815125 was granted and assigned to Oberthur Technologies on October, 2010 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Oberthur Technologies

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7815125

Date of Patent

October 19, 2010

Patent Application Number

12057402

Date Filed

March 28, 2008

Patent Primary Examiner

‌

Seung H Lee

Patent abstract

The microprocessor card includes a first microprocessor and a second microprocessor, the first microprocessor including elements for commanding the second microprocessor. In embodiments, the card includes electrical contacts adapted to carry command signals, these electrical contacts being connected exclusively to the first microprocessor. In embodiments, the first microprocessor includes elements for commanding the second microprocessor via commands conforming to the ISO 7816 standard. The first microprocessor uses a lower level of security than the second microprocessor.