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GB2255877B - Communications link - Google Patents

Communications link

Info

Publication number
GB2255877B
GB2255877B GB9110715A GB9110715A GB2255877B GB 2255877 B GB2255877 B GB 2255877B GB 9110715 A GB9110715 A GB 9110715A GB 9110715 A GB9110715 A GB 9110715A GB 2255877 B GB2255877 B GB 2255877B
Authority
GB
United Kingdom
Prior art keywords
communications link
communications
link
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
GB9110715A
Other versions
GB9110715D0 (en
GB2255877A (en
Inventor
Alan Douglas Clark
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.)
DOWTY COMMUNICATIONS Ltd
Cray Communications Ltd
Original Assignee
DOWTY COMMUNICATIONS Ltd
Cray Communications 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 DOWTY COMMUNICATIONS Ltd, Cray Communications Ltd filed Critical DOWTY COMMUNICATIONS Ltd
Priority to GB9110715A priority Critical patent/GB2255877B/en
Publication of GB9110715D0 publication Critical patent/GB9110715D0/en
Publication of GB2255877A publication Critical patent/GB2255877A/en
Application granted granted Critical
Publication of GB2255877B publication Critical patent/GB2255877B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Computer And Data Communications (AREA)
GB9110715A 1991-05-17 1991-05-17 Communications link Expired - Fee Related GB2255877B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9110715A GB2255877B (en) 1991-05-17 1991-05-17 Communications link

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9110715A GB2255877B (en) 1991-05-17 1991-05-17 Communications link

Publications (3)

Publication Number Publication Date
GB9110715D0 GB9110715D0 (en) 1991-07-10
GB2255877A GB2255877A (en) 1992-11-18
GB2255877B true GB2255877B (en) 1995-07-12

Family

ID=10695181

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9110715A Expired - Fee Related GB2255877B (en) 1991-05-17 1991-05-17 Communications link

Country Status (1)

Country Link
GB (1) GB2255877B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5572674A (en) * 1993-01-07 1996-11-05 Bmc Software, Inc. Method of dynamically adjusting SNA network control program parameters
US5634074A (en) * 1993-05-07 1997-05-27 Apple Computer, Inc. Serial I/O device identifies itself to a computer through a serial interface during power on reset then it is being configured by the computer
GB2289186A (en) * 1994-04-05 1995-11-08 Ibm Collaborative working method and system
TW270189B (en) * 1994-10-12 1996-02-11 Sega Enterprises Kk Connector used for peripheral device, peripheral device, pin arrangement structure for connector used by peripheral device, determination system for communication mode of peripheral device, and control system for peripheral device
GB2311389B (en) * 1996-03-18 2000-06-07 Ibm Software installation in data processing network
SG74611A1 (en) 1997-02-14 2000-08-22 Canon Kk Data communication apparatus and method
EP0859327B1 (en) * 1997-02-14 2009-07-15 Canon Kabushiki Kaisha Data transmission apparatus, system and method, and image processing apparatus
GB2330926A (en) * 1997-11-03 1999-05-05 Tdk Grey Cell Limited Connecting a device and a computer
US6378026B1 (en) 1998-11-09 2002-04-23 Sipex Corporation Connection detection circuit and method
US7042833B1 (en) * 2000-11-28 2006-05-09 Texas Instruments Incorporated Modem transmission over packet networks

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4215243A (en) * 1978-11-17 1980-07-29 Racal-Vadic Inc. Automatic modem identification system
US4358825A (en) * 1978-06-30 1982-11-09 Motorola, Inc. Control circuitry for data transfer in an advanced data link controller
US4581484A (en) * 1982-09-29 1986-04-08 Oclc Online Computer Library Center Incorporated Audio-enhanced videotex system
EP0292691A2 (en) * 1987-05-26 1988-11-30 Hayes Microcomputer Products, Inc. Fast turnaround protocol for use with a high speed half duplex modem

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358825A (en) * 1978-06-30 1982-11-09 Motorola, Inc. Control circuitry for data transfer in an advanced data link controller
US4215243A (en) * 1978-11-17 1980-07-29 Racal-Vadic Inc. Automatic modem identification system
US4581484A (en) * 1982-09-29 1986-04-08 Oclc Online Computer Library Center Incorporated Audio-enhanced videotex system
EP0292691A2 (en) * 1987-05-26 1988-11-30 Hayes Microcomputer Products, Inc. Fast turnaround protocol for use with a high speed half duplex modem

Also Published As

Publication number Publication date
GB9110715D0 (en) 1991-07-10
GB2255877A (en) 1992-11-18

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990517