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:
Jun. 29, 2010
Filed:
Nov. 05, 2004
Michael-rainer Busch, Ebersbach, DE;
Andreas Miksch, Stuttgart, DE;
Michael-Rainer Busch, Ebersbach, DE;
Andreas Miksch, Stuttgart, DE;
Daimler AG, Stuttgart, DE;
Abstract
Method of detecting an unauthorized exchange of components in the case of a technical system, where the control unit () sends an encoded message () to a component () to be checked, in a data field of the message () a randomly generated or not easily reproducible value () being entered, which is used for checking the installed component (). The component () accesses an assignment field () and, as a result, assigns an identification () to each not easily reproducible or random value () transmitted together with the message (), and the component () transmits the identification corresponding to the value () back to the control unit (). The control unit () decides on the basis of the identification () whether the component () is that the component () which is authorized for use in the particular technical system.