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.
Patent No.:
Date of Patent:
Dec. 06, 2016
Filed:
Mar. 11, 2014
Qatar Foundation, Doha, QA;
Altis Semiconductor, Corbeil Essonnes, FR;
Raymond Filippi, Doha, QA;
Jean-Michel Cioranesco, Corbeil Essones, FR;
Qatar Foundation, Doha, QA;
Altis Semiconductor, Corbeil Essoness, FR;
Abstract
A tamper detection arrangement for use within an integrated circuit (), the arrangement comprising: at least one input capacitor () having a first capacitance value; a feedback capacitor () having a second capacitance value; a sensing arrangement comprising an amplifier circuit having the at least one input capacitor as an input and the at least one feedback capacitor in a feedback loop across the amplifier operable to detect a change in the capacitance values between the at least one input capacitor and the feedback capacitor; and a protective shield to protect a sensitive area () of the integrated circuit from tampering, the shield being provided by the at least one input capacitor ().