Patent · US Active

Digital tachograph

US9276738B2 · kind B2 · utility

1Cited by

2References

6Claims

0Family size

Assignee

CONTINENTAL AUTOMOTIVE GMBH · DE

Inventors

Charles Hardinge · Villingen, DE
Andreas Lindinger · Clingen, DE

Key dates

Filing date	Oct 20, 2011
Grant date	Mar 1, 2016
Priority date	—
Expiry date	Oct 20, 2031

Classification

Technology area (CPC H)Electricity
CPC primaryH04L2209/84
WIPO fieldDigital communication
WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.