GB1262689A - Improvements in or relating to data transmission - Google Patents

Improvements in or relating to data transmission

Info

Publication number
GB1262689A
GB1262689A GB09770/69A GB1977069A GB1262689A GB 1262689 A GB1262689 A GB 1262689A GB 09770/69 A GB09770/69 A GB 09770/69A GB 1977069 A GB1977069 A GB 1977069A GB 1262689 A GB1262689 A GB 1262689A
Authority
GB
United Kingdom
Prior art keywords
data
station
computer
demodulator
modulator
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
Application number
GB09770/69A
Other languages
English (en)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB1262689A publication Critical patent/GB1262689A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Communication Control (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Selective Calling Equipment (AREA)
  • Small-Scale Networks (AREA)
  • Hardware Redundancy (AREA)
GB09770/69A 1968-04-18 1969-04-17 Improvements in or relating to data transmission Expired GB1262689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE5174/68A SE308038B (enExample) 1968-04-18 1968-04-18

Publications (1)

Publication Number Publication Date
GB1262689A true GB1262689A (en) 1972-02-02

Family

ID=20265872

Family Applications (1)

Application Number Title Priority Date Filing Date
GB09770/69A Expired GB1262689A (en) 1968-04-18 1969-04-17 Improvements in or relating to data transmission

Country Status (5)

Country Link
US (1) US3581075A (enExample)
DE (1) DE1919958B2 (enExample)
GB (1) GB1262689A (enExample)
NO (1) NO121814B (enExample)
SE (1) SE308038B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2040161C3 (de) * 1970-08-12 1974-03-28 Siemens Ag, 1000 Berlin U. 8000 Muenchen Schaltungsanordnung für eine Teilnehmerstelle, die mit der Teilnehmerleitung über eine Steckverbindung lösbar verbunden ist
US4245343A (en) * 1978-09-22 1981-01-13 Data Line Corporation Automatic shunt device
SE417149B (sv) * 1979-03-30 1981-02-23 Ericsson Telefon Ab L M Overvakningssett och - anordning for signalamplitudomvandlare
FR2492131A1 (fr) * 1980-10-15 1982-04-16 Aero Etudes Conseils Procede et dispositif d'interdiction de propagation d'erreurs dans un processeur de securite
JPS589488A (ja) * 1981-07-09 1983-01-19 Pioneer Electronic Corp 複数の中央演算処理装置を有するシステムの中央演算処理装置の復帰機構
US4654661A (en) * 1983-03-29 1987-03-31 The United States Of America As Represented By The Secretary Of The Air Force Two fault tolerant transmitter activator
DE3445521A1 (de) * 1984-12-13 1986-06-19 Siemens AG, 1000 Berlin und 8000 München Schnittstellenbaustein
US4763329A (en) * 1986-02-10 1988-08-09 Techlan, Inc. Modular data routing system
JPS62227243A (ja) * 1986-03-29 1987-10-06 Toshiba Corp 伝送制御方式
US4916697A (en) * 1988-06-24 1990-04-10 International Business Machines Corporation Apparatus for partitioned clock stopping in response to classified processor errors
US5404359A (en) * 1992-06-29 1995-04-04 Tandem Computers Incorporated Fail safe, fault tolerant circuit for manufacturing test logic on application specific integrated circuits
JP2648796B2 (ja) * 1993-10-12 1997-09-03 富士通株式会社 データ伝送異常検出方式およびデータ伝送機器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273017A (en) * 1963-01-07 1966-09-13 Gen Electric Ground fault responsive directional comparison protective system for an electric powder transmission line
US3444321A (en) * 1965-09-11 1969-05-13 Athanasius J Pantos Defective circuit detector
US3436479A (en) * 1966-04-11 1969-04-01 Bell Telephone Labor Inc Check circuit for comparing the input and output of data repeaters
US3440337A (en) * 1966-12-28 1969-04-22 Bell Telephone Labor Inc Synchronous data repeater having noncompatible signal bypass

Also Published As

Publication number Publication date
DE1919958A1 (de) 1969-11-27
NO121814B (enExample) 1971-04-13
DE1919958B2 (de) 1970-09-10
SE308038B (enExample) 1969-01-27
US3581075A (en) 1971-05-25

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