DE69127845T2 - Kontrolle einer Kartenschnittstelle für den Zugang zu einem Telefongerät - Google Patents

Kontrolle einer Kartenschnittstelle für den Zugang zu einem Telefongerät

Info

Publication number
DE69127845T2
DE69127845T2 DE69127845T DE69127845T DE69127845T2 DE 69127845 T2 DE69127845 T2 DE 69127845T2 DE 69127845 T DE69127845 T DE 69127845T DE 69127845 T DE69127845 T DE 69127845T DE 69127845 T2 DE69127845 T2 DE 69127845T2
Authority
DE
Germany
Prior art keywords
identification data
card
access
control
telephone device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69127845T
Other languages
English (en)
Other versions
DE69127845D1 (de
Inventor
Seppo Alanara
Heikki Ojaniemi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of DE69127845D1 publication Critical patent/DE69127845D1/de
Application granted granted Critical
Publication of DE69127845T2 publication Critical patent/DE69127845T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • H04M1/675—Preventing unauthorised calls from a telephone set by electronic means the user being required to insert a coded card, e.g. a smart card carrying an integrated circuit chip

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Meter Arrangements (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
  • Prepayment Telephone Systems (AREA)
  • Selective Calling Equipment (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Credit Cards Or The Like (AREA)
  • Telephonic Communication Services (AREA)
DE69127845T 1990-03-22 1991-03-20 Kontrolle einer Kartenschnittstelle für den Zugang zu einem Telefongerät Expired - Fee Related DE69127845T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI901450A FI88842C (fi) 1990-03-22 1990-03-22 Kontroll av kortsanslutning

Publications (2)

Publication Number Publication Date
DE69127845D1 DE69127845D1 (de) 1997-11-13
DE69127845T2 true DE69127845T2 (de) 1998-02-26

Family

ID=8530113

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69127845T Expired - Fee Related DE69127845T2 (de) 1990-03-22 1991-03-20 Kontrolle einer Kartenschnittstelle für den Zugang zu einem Telefongerät

Country Status (6)

Country Link
US (1) US5266782A (de)
EP (1) EP0448369B1 (de)
JP (1) JP3383317B2 (de)
AT (1) ATE159134T1 (de)
DE (1) DE69127845T2 (de)
FI (1) FI88842C (de)

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Also Published As

Publication number Publication date
FI901450A (fi) 1991-09-23
ATE159134T1 (de) 1997-10-15
FI901450A0 (fi) 1990-03-22
FI88842C (fi) 1993-07-12
US5266782A (en) 1993-11-30
FI88842B (fi) 1993-03-31
JP3383317B2 (ja) 2003-03-04
EP0448369A3 (en) 1992-09-02
EP0448369A2 (de) 1991-09-25
DE69127845D1 (de) 1997-11-13
JPH0774856A (ja) 1995-03-17
EP0448369B1 (de) 1997-10-08

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