ES371615A1 - Disposicion de circuito para valorar la condicion del bucley para diferenciar resistencias de bucle en una linea de te-lecomunicacion y mas particularmente en una linea telefoni- ca. - Google Patents

Disposicion de circuito para valorar la condicion del bucley para diferenciar resistencias de bucle en una linea de te-lecomunicacion y mas particularmente en una linea telefoni- ca.

Info

Publication number
ES371615A1
ES371615A1 ES371615A ES371615A ES371615A1 ES 371615 A1 ES371615 A1 ES 371615A1 ES 371615 A ES371615 A ES 371615A ES 371615 A ES371615 A ES 371615A ES 371615 A1 ES371615 A1 ES 371615A1
Authority
ES
Spain
Prior art keywords
dividers
monitor circuit
loop
loop monitor
voltage
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
ES371615A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES371615A1 publication Critical patent/ES371615A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
ES371615A 1968-09-19 1969-09-17 Disposicion de circuito para valorar la condicion del bucley para diferenciar resistencias de bucle en una linea de te-lecomunicacion y mas particularmente en una linea telefoni- ca. Expired ES371615A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681762897 DE1762897B2 (de) 1968-09-19 1968-09-19 Schaltungsanordnung zur auswertung des schleifenzustandes und zur unterscheidung von schleifenwiderstaenden in einer fernmelde insbesondere fernsprechleitung

Publications (1)

Publication Number Publication Date
ES371615A1 true ES371615A1 (es) 1971-11-16

Family

ID=5697274

Family Applications (1)

Application Number Title Priority Date Filing Date
ES371615A Expired ES371615A1 (es) 1968-09-19 1969-09-17 Disposicion de circuito para valorar la condicion del bucley para diferenciar resistencias de bucle en una linea de te-lecomunicacion y mas particularmente en una linea telefoni- ca.

Country Status (9)

Country Link
US (1) US3673356A (es)
AT (1) AT314619B (es)
CH (1) CH514968A (es)
DE (1) DE1762897B2 (es)
DK (1) DK137879C (es)
ES (1) ES371615A1 (es)
FR (1) FR2018446A1 (es)
GB (1) GB1237854A (es)
NL (1) NL6914297A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889073A (en) * 1974-03-06 1975-06-10 Bell Telephone Labor Inc Detection of series-resonant circuits connected across transmission paths

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1652241A (en) * 1926-06-21 1927-12-13 American Telephone & Telegraph Device for electrical measurement
US2731514A (en) * 1951-01-12 1956-01-17 Nederlanden Staat Lockout electronic line circuit
NL86629C (es) * 1954-02-26
US3129289A (en) * 1959-06-26 1964-04-14 Itt Electronic line circuit
US3156778A (en) * 1959-12-24 1964-11-10 Bell Telephone Labor Inc Supervisory circuits for telephone subscriber's line
NL289634A (es) * 1962-03-01
US3363067A (en) * 1964-12-31 1968-01-09 Bell Telephone Labor Inc Dial noise test set

Also Published As

Publication number Publication date
DE1762897A1 (de) 1970-12-03
GB1237854A (en) 1971-06-30
NL6914297A (es) 1970-03-23
AT314619B (de) 1974-04-10
DK137879C (da) 1978-10-23
FR2018446A1 (es) 1970-05-29
DK137879B (da) 1978-05-22
CH514968A (de) 1971-10-31
US3673356A (en) 1972-06-27
DE1762897B2 (de) 1971-06-03

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