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:
Jul. 20, 2021
Filed:
May. 10, 2019
Lombardini S.r.l., Reggio Emilia, IT;
Lombardini S.R.L., Reggio Emilia, IT;
Abstract
It is hereby disclosed an apparatus for and a method of writing software objects into a rewritable nonvolatile memory of an electronic control unit of an internal combustion engine, wherein the method comprises: receiving an access request from a memory writing device, generating a seed code, transmitting the seed code to the memory writing device, generating a first key code on the basis of the seed code and a first identification code, generating a second key code on the basis of the seed code and a second identification code, receiving a reference key code from the memory writing device, comparing the reference key code with the first key code and/or with the second key code, and enabling the memory writing device to write software objects into the rewritable nonvolatile memory, if the reference key code corresponds to the first key code or to the second key code.