Global Patent Index - EP 1664949 A2

EP 1664949 A2 20060607 - METHOD FOR SECURE DATA TRANSMISSION BETWEEN AN INTRINSICALLY SAFE SENSOR AND A NON-INTRINSICALLY SAFE EVALUATION UNIT

Title (en)

METHOD FOR SECURE DATA TRANSMISSION BETWEEN AN INTRINSICALLY SAFE SENSOR AND A NON-INTRINSICALLY SAFE EVALUATION UNIT

Title (de)

VERFAHREN ZUR SICHEREN DATENÜBERTRAGUNG ZWISCHEN EINEM EIGENSICHEREN SENSOR UND EINER NICHT EIGENSICHEREN AUSWERTEEINHEIT

Title (fr)

PROCEDE DE TRANSMISSION DE DONNEES SECURISEE ENTRE UN CAPTEUR A SECURITE INTRINSEQUE ET UNE UNITE D'EVALUATION A SECURITE NON INTRINSEQUE

Publication

EP 1664949 A2 20060607 (DE)

Application

EP 04786968 A 20040920

Priority

  • EP 2004010528 W 20040920
  • DE 10344263 A 20030923

Abstract (en)

[origin: WO2005031481A2] The invention relates to a method for secure data transmission between an intrinsically safe sensor and a non-intrinsically safe computer unit. According to said method, the data is transmitted via an interface that is configured as an Ex barrier or via a portable storage medium.

IPC 1-7

G05B 19/042

IPC 8 full level

G05B 19/042 (2006.01)

CPC (source: EP US)

G05B 19/0423 (2013.01 - EP US); G05B 2219/21103 (2013.01 - EP US); G05B 2219/24028 (2013.01 - EP US)

Citation (search report)

See references of WO 2005031481A2

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005031481 A2 20050407; WO 2005031481 A3 20051006; DE 10344263 A1 20050512; EP 1664949 A2 20060607; US 2009013107 A1 20090108

DOCDB simple family (application)

EP 2004010528 W 20040920; DE 10344263 A 20030923; EP 04786968 A 20040920; US 57293404 A 20040920