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:
Nov. 03, 2026

Filed:

Jun. 01, 2023
Applicant:

Arm Limited, Cambridge, GB;

Inventors:

Balaji Venu, Cambridge, GB;

Mbou Eyole, Cambridge, GB;

Assignee:

Arm Limited, Cambridge, GB;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/16 (2006.01); G06F 11/22 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1645 (2013.01); G06F 11/2236 (2013.01);
Abstract

An apparatus has processing circuitry to execute instructions. The processing circuitry has calculation circuitry which is responsive to one or more instructions requiring a calculation to be performed to compute the result of the calculation and approximation circuitry which is responsive to said one or more instructions to calculate an approximate result of the calculation independently of the calculation circuitry. The processing circuitry also has integrity checking circuitry to perform an integrity check by comparing the result of the calculation performed by the calculation circuitry and the approximate result of the calculation performed by the approximation circuity. The integrity checking circuitry detects an error in the processing circuitry if it is determined that a difference between the result of the calculation and the approximate result of the calculation is greater than a deviation threshold.


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Venu, Balaji. (2026). Integrity checking (U.S. Patent No. 12783366). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12783366

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