Messsystem mit verbesserter Sicherheit

Details

Veröffentlichungs-Nr.

EP2543974

Aktenzeichen

EP11172787

Anmeldetag

6. Juli 2011

Veröffentlichung

26. Februar 2014

Erteilung

26. Februar 2014

Rechtsraum

EP

IPC

G01D4/00G01R11/24

Abstract

Metering system (200) comprising a metrology unit (120) configured for obtaining digital metrology data representing a measured physical quantity representing use of a utility (210), a controller (110) configured for transmitting protected usage information based on the digital metrology data to an external server (220), and a secure element (240), wherein the secure element is arranged between the metrology unit and the controller, the secure element being connected to the metrology unit for receiving from the metrology unit the digital metrology data, the secure element being connected to the controller for sending the protected usage information to the controller, and the secure element comprises a local storage (246) for storing data dependent upon the received digital metrology data, the stored data representing the received digital metrology data for at least a predetermined period of time.

Anmelder

Firma

NXP B.V.

Land

🇳🇱 Niederlande

Fachgebiete