EP 1457020 A1 20040915 - SECURITY FEATURES FOR AN INTEGRAL PLC MODEM
Title (en)
SECURITY FEATURES FOR AN INTEGRAL PLC MODEM
Title (de)
SICHERHEITSMERKMALE FÜR EIN INTEGRIERTES PLC MODEM
Title (fr)
DISPOSITIFS DE SECURITE POUR MODEM PLC INTEGRE
Publication
Application
Priority
- US 0238621 W 20021204
- US 34138401 P 20011218
- US 27211402 A 20021016
Abstract (en)
[origin: WO03053025A1] At least one exemplary embodiment of the present invention includes a method comprising receiving a connection request at a modem integral to a programmable logic controller, and allowing access to the programmable logic controller via the modem. At least one exemplary embodiment of the present invention includes a method comprising establishing a connection between a calling device and a modem integral to a programmable logic controller, and allowing the calling device access to the programmable logic controller via the modem. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b)
IPC 1-7
IPC 8 full level
H04L 29/06 (2006.01)
CPC (source: EP)
H04L 63/083 (2013.01)
Citation (search report)
See references of WO 03053025A1
Citation (examination)
WO 0058857 A2 20001005 - SIEMENS ENERGY & AUTOMAT [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR
DOCDB simple family (publication)
WO 03053025 A1 20030626; CN 103546460 A 20140129; CN 1620792 A 20050525; EP 1457020 A1 20040915
DOCDB simple family (application)
US 0238621 W 20021204; CN 02828053 A 20021204; CN 201310451778 A 20021204; EP 02797175 A 20021204