DK0494907T3 - Fremgangsmåde til styring af adgang til adgangsbegrænsede data og kommunikationssystem derfor - Google Patents

Fremgangsmåde til styring af adgang til adgangsbegrænsede data og kommunikationssystem derfor

Info

Publication number: DK0494907T3
Authority: DK; Denmark
Prior art keywords: negotiations; indication; modem; call; call modem
Prior art date: 1989-10-05

Application number

DK90914542.7T

Other languages

English (en)

Inventor

John Richard Stuart Mackenzie

Bernard Philip Collins

Original Assignee

Avant Guardian 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.)

1989-10-05

Filing date

1990-10-04

Publication date

1996-10-07

1990-10-04 Application filed by Avant Guardian Ltd filed Critical Avant Guardian Ltd

1996-10-07 Application granted granted Critical

1996-10-07 Publication of DK0494907T3 publication Critical patent/DK0494907T3/da

Classifications

- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/313—User authentication using a call-back technique via a telephone network

Landscapes

Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)
Computer Security & Cryptography (AREA)
General Physics & Mathematics (AREA)
Physics & Mathematics (AREA)
General Engineering & Computer Science (AREA)
Software Systems (AREA)
Computer Hardware Design (AREA)
Communication Control (AREA)
Telephonic Communication Services (AREA)
Computer And Data Communications (AREA)
Steering Controls (AREA)
Mobile Radio Communication Systems (AREA)
Data Exchanges In Wide-Area Networks (AREA)

DK90914542.7T 1989-10-05 1990-10-04 Fremgangsmåde til styring af adgang til adgangsbegrænsede data og kommunikationssystem derfor DK0494907T3 (da)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB898922473A GB8922473D0 (en)	1989-10-05	1989-10-05	A method of controlling access to restricted access data and communication system therefor

Publications (1)

Publication Number	Publication Date
DK0494907T3 true DK0494907T3 (da)	1996-10-07

Family

ID=10664114

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK90914542.7T DK0494907T3 (da)	1989-10-05	1990-10-04	Fremgangsmåde til styring af adgang til adgangsbegrænsede data og kommunikationssystem derfor

Country Status (13)

Country	Link
US (1)	US5499372A (da)
EP (1)	EP0494907B1 (da)
JP (1)	JP2972333B2 (da)
KR (1)	KR0183037B1 (da)
AT (1)	ATE138211T1 (da)
AU (1)	AU6444790A (da)
CA (1)	CA2067157C (da)
DE (1)	DE69027038T2 (da)
DK (1)	DK0494907T3 (da)
ES (1)	ES2089031T3 (da)
GB (1)	GB8922473D0 (da)
HK (1)	HK121897A (da)
WO (1)	WO1991005302A1 (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5301246A (en) *	1992-07-29	1994-04-05	At&T Bell Laboratories	Data communications equipment security device using calling party directory number
US6570871B1 (en)	1996-10-08	2003-05-27	Verizon Services Corp.	Internet telephone service using cellular digital vocoder
US6286105B1 (en) *	1998-04-01	2001-09-04	3Com Corporation	Method for implementing link-level security to enforce access privileges
US7058517B1 (en)	1999-06-25	2006-06-06	Genaissance Pharmaceuticals, Inc.	Methods for obtaining and using haplotype data
US6931326B1 (en)	2000-06-26	2005-08-16	Genaissance Pharmaceuticals, Inc.	Methods for obtaining and using haplotype data
GB2372360B (en) *	2001-02-15	2005-01-19	Hewlett Packard Co	Improvements in and relating to credential transfer methods
WO2009116154A1 (ja) *	2008-03-19	2009-09-24	緒方延泰	モデム装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1176335A (en) *	1981-06-05	1984-10-16	Exide Electronics Corporation	Computer communications control
US4484306A (en) *	1982-03-22	1984-11-20	Exide Electronics Corporation	Method and apparatus for controlling access in a data transmission system
US4604499A (en) *	1984-02-24	1986-08-05	Raymond F. Hughes	Computer telephone access security processor
US4596898A (en) *	1984-03-14	1986-06-24	Computer Security Systems, Inc.	Method and apparatus for protecting stored and transmitted data from compromise or interception
US4626623A (en) *	1984-09-07	1986-12-02	Lahaye Joseph G	Method and apparatus for telephone access security
US4638356A (en) *	1985-03-27	1987-01-20	General Instrument Corporation	Apparatus and method for restricting access to a communication network
US4733345A (en) *	1985-07-29	1988-03-22	Anderson Paul D	Computer-telephone security device
US4782498A (en) *	1986-08-28	1988-11-01	Hayes Microcomputer Products, Inc.	Modem with improved handshaking capability
NL8602245A (nl) *	1986-09-05	1988-04-05	Philips Nv	Stelsel voor het verschaffen van een telecommunicatieverbinding met een computer.
US4894847A (en) *	1987-05-26	1990-01-16	Hayes Microcomputer Products, Inc.	High speed half duplex modem with fast turnaround protocol
US4962449A (en) *	1988-04-11	1990-10-09	Artie Schlesinger	Computer security system having remote location recognition and remote location lock-out
US4905281A (en) *	1988-05-04	1990-02-27	Halliburton Company	Security apparatus and method for computers connected to telephone circuits

1989
- 1989-10-05 GB GB898922473A patent/GB8922473D0/en active Pending
1990
- 1990-10-04 AT AT90914542T patent/ATE138211T1/de not_active IP Right Cessation
- 1990-10-04 EP EP90914542A patent/EP0494907B1/en not_active Expired - Lifetime
- 1990-10-04 KR KR1019920700753A patent/KR0183037B1/ko not_active IP Right Cessation
- 1990-10-04 DK DK90914542.7T patent/DK0494907T3/da active
- 1990-10-04 AU AU64447/90A patent/AU6444790A/en not_active Abandoned
- 1990-10-04 DE DE69027038T patent/DE69027038T2/de not_active Expired - Fee Related
- 1990-10-04 WO PCT/GB1990/001521 patent/WO1991005302A1/en active IP Right Grant
- 1990-10-04 CA CA002067157A patent/CA2067157C/en not_active Expired - Fee Related
- 1990-10-04 ES ES90914542T patent/ES2089031T3/es not_active Expired - Lifetime
- 1990-10-04 JP JP2513652A patent/JP2972333B2/ja not_active Expired - Lifetime
1994
- 1994-02-28 US US08/202,908 patent/US5499372A/en not_active Expired - Fee Related
1997
- 1997-06-26 HK HK121897A patent/HK121897A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE69027038D1 (de)	1996-06-20
HK121897A (en)	1997-09-12
GB8922473D0 (en)	1989-11-22
EP0494907A1 (en)	1992-07-22
US5499372A (en)	1996-03-12
ATE138211T1 (de)	1996-06-15
JPH05500723A (ja)	1993-02-12
AU6444790A (en)	1991-04-28
CA2067157C (en)	1999-12-21
ES2089031T3 (es)	1996-10-01
KR0183037B1 (ko)	1999-05-15
EP0494907B1 (en)	1996-05-15
CA2067157A1 (en)	1991-04-06
DE69027038T2 (de)	1996-11-21
JP2972333B2 (ja)	1999-11-08
KR920704212A (ko)	1992-12-19
WO1991005302A1 (en)	1991-04-18

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