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:
Mar. 01, 2016
Filed:
Oct. 20, 2011
Applicants:
Charles Hardinge, Villingen, DE;
Andreas Lindinger, Floezlingen, DE;
Inventors:
Charles Hardinge, Villingen, DE;
Andreas Lindinger, Floezlingen, DE;
Assignee:
Continental Automotive GmbH, Hannover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/64 (2013.01); H04L 9/08 (2006.01); G07C 5/08 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0825 (2013.01); G07C 5/08 (2013.01); H04L 9/3247 (2013.01); H04L 2209/84 (2013.01);
Abstract
A digital tachograph has a security module. A public key, a secure private key, and a signage are stored in the security module. Vehicle-relevant data and the corresponding checksum are encoded using a secure private key and stored in the digital tachograph in a data format by the security module.