Title:
チップカード、および外部機器・チップカード間の通信の方法
Document Type and Number:
Japanese Patent JP3718236
Kind Code:
B2
Abstract:
The invention relates to an SIM (Subscriber Identity Module ) chip card fur GSM cellular telephones containing a data processing system (20) with memory elements (200). These memory elements enable the storage of data containing at least subscriber identification data in a telephone network. Electric contacts (24) on the surface of the chip card make it possible to exchange data between the said processing system (20) and a mobile communication station (1) into which the card can be removably inserted. The chip card furthermore contains at least one coil for establishing communication via radio waves between the said processing system and an external device (3) outside the said mobile communication station.
Inventors:
Ritter, Rudolph
Bouquet, Hanspeter
Whitch, Walter
Bouquet, Hanspeter
Whitch, Walter
Application Number:
JP50347299A
Publication Date:
November 24, 2005
Filing Date:
June 16, 1997
Export Citation:
Assignee:
Swisscom Mobile AG
International Classes:
G06K19/00; G06K19/07; G06Q20/00; G07F7/08; G07F7/10; H04M1/00; H04M1/675; H04M1/72403; H04M1/72406; H04M1/72412; H04M11/00; H04W76/02; H04W92/18; (IPC1-7): H04M1/00; G06K19/00; G06K19/07; H04M11/00; H04Q7/38
Attorney, Agent or Firm:
Masao Okabe
Nobuaki Kato
Kazuo
Shinichi Usui
Ikuo Fujino
Takao Ochi
Teruhisa Motomiya
Norimichi Takanashi
Asahi Shinmitsu
Seiichiro Takahashi
Koji Yoshizawa
Nobuaki Kato
Kazuo
Shinichi Usui
Ikuo Fujino
Takao Ochi
Teruhisa Motomiya
Norimichi Takanashi
Asahi Shinmitsu
Seiichiro Takahashi
Koji Yoshizawa