IT1167301B - Dispositivo di misura dell'attenuazione di un percorso di trasmissione di un segnale - Google Patents

Dispositivo di misura dell'attenuazione di un percorso di trasmissione di un segnale

Info

Publication number
IT1167301B
IT1167301B IT68655/80A IT6865580A IT1167301B IT 1167301 B IT1167301 B IT 1167301B IT 68655/80 A IT68655/80 A IT 68655/80A IT 6865580 A IT6865580 A IT 6865580A IT 1167301 B IT1167301 B IT 1167301B
Authority
IT
Italy
Prior art keywords
attenuation
measuring device
signal transmission
transmission path
path
Prior art date
Application number
IT68655/80A
Other languages
English (en)
Other versions
IT8068655A0 (it
Inventor
Claude Perrigault
Jean Claude Spiteri
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of IT8068655A0 publication Critical patent/IT8068655A0/it
Application granted granted Critical
Publication of IT1167301B publication Critical patent/IT1167301B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Noise Elimination (AREA)
  • Radio Relay Systems (AREA)
  • Stereo-Broadcasting Methods (AREA)
IT68655/80A 1979-10-31 1980-10-30 Dispositivo di misura dell'attenuazione di un percorso di trasmissione di un segnale IT1167301B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7927010A FR2469054A1 (fr) 1979-10-31 1979-10-31 Dispositif de mesure de l'attenuation d'un trajet de transmission

Publications (2)

Publication Number Publication Date
IT8068655A0 IT8068655A0 (it) 1980-10-30
IT1167301B true IT1167301B (it) 1987-05-13

Family

ID=9231232

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68655/80A IT1167301B (it) 1979-10-31 1980-10-30 Dispositivo di misura dell'attenuazione di un percorso di trasmissione di un segnale

Country Status (11)

Country Link
US (1) US4349707A (it)
JP (1) JPS5675734A (it)
BE (1) BE885718A (it)
CA (1) CA1165917A (it)
DE (1) DE3040241A1 (it)
FR (1) FR2469054A1 (it)
GB (1) GB2063491B (it)
IE (1) IE50947B1 (it)
IT (1) IT1167301B (it)
LU (1) LU82894A1 (it)
NL (1) NL188004B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61237065A (ja) * 1985-04-13 1986-10-22 Anritsu Corp ２チヤンネル伝送反射特性解析装置
US4887289A (en) * 1988-08-29 1989-12-12 New York Telephone Company Remote testing of a trunk leading to an automatic call distributor
WO1999037038A1 (de) 1998-01-15 1999-07-22 Siemens Schweiz Ag Verfahren zum bereitstellen von einrichtungen zur echounterdrückung in kommunikationsverbindungen mit automaten
DE19825196A1 (de) * 1998-06-05 1999-12-09 Alcatel Sa Verfahren zur Kopplungsbestimmung zwischen zwei Telekommunikations(=TK)-Wegen
US6952472B2 (en) * 2001-12-31 2005-10-04 Texas Instruments Incorporated Dynamically estimating echo return loss in a communication link
US11675405B2 (en) 2019-02-20 2023-06-13 Honda Motor Co., Ltd. Information processing device, information processing method, service system, program, and storage medium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3637954A (en) * 1969-05-22 1972-01-25 Bell Telephone Labor Inc Method and apparatus for dynamic testing of echo suppressors in telephone trunk systems
US4012603A (en) * 1974-08-27 1977-03-15 Nippon Electric Company, Ltd. Echo suppressor having self-adaptive means
GB1457067A (en) * 1974-12-03 1976-12-01 Standard Telephones Cables Ltd Arrangement for testing telecommunication repeaters
FR2379820A1 (fr) * 1977-02-02 1978-09-01 Cit Alcatel Indicateur de puissance d'un signal

Also Published As

Publication number Publication date
IT8068655A0 (it) 1980-10-30
CA1165917A (fr) 1984-04-17
IE802248L (en) 1981-04-30
NL8005941A (nl) 1981-06-01
NL188004B (nl) 1991-10-01
IE50947B1 (en) 1986-08-20
BE885718A (fr) 1981-04-15
GB2063491B (en) 1984-01-25
JPS6360935B2 (it) 1988-11-25
DE3040241C2 (it) 1989-12-07
FR2469054A1 (fr) 1981-05-08
LU82894A1 (fr) 1981-06-04
FR2469054B1 (it) 1982-09-03
GB2063491A (en) 1981-06-03
JPS5675734A (en) 1981-06-23
US4349707A (en) 1982-09-14
DE3040241A1 (de) 1981-05-14

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