NO136124C - Fremgangsmaate og anordning for oppmaaling i en kabel av den av overhoering fra minst et forstyrrende par til et forstyrret par foraarsakede bitfeilfrekvensen hos et for overfoering i 3-nivaakodet form beregnet pcm-system. - Google Patents

Fremgangsmaate og anordning for oppmaaling i en kabel av den av overhoering fra minst et forstyrrende par til et forstyrret par foraarsakede bitfeilfrekvensen hos et for overfoering i 3-nivaakodet form beregnet pcm-system.

Info

Publication number
NO136124C
NO136124C NO761799A NO761799A NO136124C NO 136124 C NO136124 C NO 136124C NO 761799 A NO761799 A NO 761799A NO 761799 A NO761799 A NO 761799A NO 136124 C NO136124 C NO 136124C
Authority
NO
Norway
Prior art keywords
cable
attachment
procedure
measuring
transfer
Prior art date
Application number
NO761799A
Other languages
English (en)
Norwegian (no)
Other versions
NO761799L (fr
NO136124B (fr
Inventor
Juho Arras
Oerjan Mats Mattsson
Walter Herbert Erwin Widl
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO761799L publication Critical patent/NO761799L/no
Publication of NO136124B publication Critical patent/NO136124B/no
Publication of NO136124C publication Critical patent/NO136124C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/245—Testing correct operation by using the properties of transmission codes
    • H04L1/247—Testing correct operation by using the properties of transmission codes three-level transmission codes, e.g. ternary
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
NO761799A 1975-05-28 1976-05-26 Fremgangsmaate og anordning for oppmaaling i en kabel av den av overhoering fra minst et forstyrrende par til et forstyrret par foraarsakede bitfeilfrekvensen hos et for overfoering i 3-nivaakodet form beregnet pcm-system. NO136124C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7506114A SE390783B (sv) 1975-05-28 1975-05-28 Forfarande och anordning for uppmetning i en kabel av den av overhorning fran minst ett storande par till ett stort par orsakade bitfelfrekvensen hos ett for overforing i 3-nivakodad form avsett pcm-system

Publications (3)

Publication Number Publication Date
NO761799L NO761799L (fr) 1976-11-30
NO136124B NO136124B (fr) 1977-04-12
NO136124C true NO136124C (no) 1991-03-08

Family

ID=20324674

Family Applications (1)

Application Number Title Priority Date Filing Date
NO761799A NO136124C (no) 1975-05-28 1976-05-26 Fremgangsmaate og anordning for oppmaaling i en kabel av den av overhoering fra minst et forstyrrende par til et forstyrret par foraarsakede bitfeilfrekvensen hos et for overfoering i 3-nivaakodet form beregnet pcm-system.

Country Status (5)

Country Link
US (1) US4053723A (fr)
BR (1) BR7603367A (fr)
IT (1) IT1063155B (fr)
NO (1) NO136124C (fr)
SE (1) SE390783B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4097697A (en) * 1977-06-02 1978-06-27 Northern Telecom Limited Digital signal performance monitor
ATE1924T1 (de) * 1979-06-15 1982-12-15 The Post Office Anordnung zum ueberwachen der funktion eines digitalen uebertragungssystemes.
US4376309A (en) * 1981-05-29 1983-03-08 Bell Telephone Laboratories, Incorporated Method and apparatus for signal-eye tracking in digital transmission systems
US5511119A (en) * 1993-02-10 1996-04-23 Bell Communications Research, Inc. Method and system for compensating for coupling between circuits of quaded cable in a telecommunication transmission system
US8320555B2 (en) * 2008-09-12 2012-11-27 Centurylink Intellectual Property Llc Method and apparatus for determining a change in network-generated crosstalk levels caused by a multi-line phone
TWI824191B (zh) * 2020-04-14 2023-12-01 慧榮科技股份有限公司 均衡調整的電腦程式產品及方法以及裝置
TWI712050B (zh) * 2020-04-14 2020-12-01 慧榮科技股份有限公司 均衡調整的電腦程式產品及方法以及裝置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2017275A1 (de) * 1970-04-10 1971-10-21 Siemens Ag Anordnung zur Messung von Fernnebensprecheigenschaften an Übertragungsleitungen
CA999989A (en) * 1972-12-14 1976-11-16 Edgar R. Allen Measurement of noise in a communication channel

Also Published As

Publication number Publication date
SE7506114L (sv) 1976-11-29
NO761799L (fr) 1976-11-30
BR7603367A (pt) 1976-12-07
US4053723A (en) 1977-10-11
NO136124B (fr) 1977-04-12
SE390783B (sv) 1977-01-17
IT1063155B (it) 1985-02-11

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