EP 1665844 A1 20060607 - EXTENSION OF THE SIM CARD INTERFACE IN GSM DEVICES
Title (en)
EXTENSION OF THE SIM CARD INTERFACE IN GSM DEVICES
Title (de)
VERLÄNGERUNG DER SIM-KARTEN-SCHNITTSTELLE IN GSM-GERÄTEN
Title (fr)
PROLONGEMENT DE L'INTERFACE A CARTE SIM DANS DES APPAREILS GSM
Publication
Application
Priority
DE 0303046 W 20030910
Abstract (en)
[origin: WO2005027549A1] The invention relates to a circuit arrangement that acts as an interface between a SIM card (1) and a GSM modem (2), said arrangement comprising a bi-directional data line (5) that connects a card data input or output of the SIM card (1) to a modem data input or output of the GSM modem (2). The data line (5) is coupled to at least one edge driver (12, 13).
IPC 1-7
IPC 8 full level
H04L 5/16 (2006.01); H04L 25/02 (2006.01); H04L 25/45 (2006.01); H04W 88/02 (2009.01)
CPC (source: EP US)
H04L 5/16 (2013.01 - EP US); H04L 25/028 (2013.01 - EP US); H04L 25/45 (2013.01 - EP US); H04W 88/02 (2013.01 - EP US)
Citation (search report)
See references of WO 2005027549A1
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 PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2005027549 A1 20050324; WO 2005027549 A8 20050901; CN 1826825 A 20060830; EP 1665844 A1 20060607; TW 200511800 A 20050316; US 2006293082 A1 20061228
DOCDB simple family (application)
DE 0303046 W 20030910; CN 03827030 A 20030913; EP 03747836 A 20030910; TW 93119532 A 20040630; US 57150206 A 20060310