Patent · US Active

Method for operating a sensor apparatus and sensor apparatus

US8601281B2 · kind B2 · utility

2Cited by

36References

17Claims

0Family size

Assignee

CONTINENTAL AUTOMOTIVE GMBH · DE

Inventors

Horst Plankenhorn · Villingen-Schwenningen, DE
Gunnar Schmidt · Wolfenbüttel, DE

Key dates

Filing date	Nov 23, 2009
Grant date	Dec 3, 2013
Priority date	—
Expiry date	Oct 20, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG01D3/08
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A sensor apparatus includes a housing with a security device, a secure first computation device, a second computation device and a sensor element. The sensor apparatus detects a temperature in the housing, to activate the first computation device only when the detected temperature is in a predefined temperature range, to determine a session key by the first computation device and to store the session key in a second memory of the second computation device, to deactivate the first computation device after the session key has been stored, to determine data on the basis of a sensor signal detected using the sensor element and to encrypt and/or sign the data by the second computation device on the basis of the session key.

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