SE7714362L - Abonnentlinjeutrustning for telefonstation - Google Patents

Abonnentlinjeutrustning for telefonstation

Info

Publication number
SE7714362L
SE7714362L SE7714362A SE7714362A SE7714362L SE 7714362 L SE7714362 L SE 7714362L SE 7714362 A SE7714362 A SE 7714362A SE 7714362 A SE7714362 A SE 7714362A SE 7714362 L SE7714362 L SE 7714362L
Authority
SE
Sweden
Prior art keywords
line equipment
telephone station
subscription line
subscription
telephone
Prior art date
Application number
SE7714362A
Other languages
English (en)
Inventor
A N Baratin
Original Assignee
Jeumont Schneider
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 Jeumont Schneider filed Critical Jeumont Schneider
Publication of SE7714362L publication Critical patent/SE7714362L/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
SE7714362A 1976-12-17 1977-12-16 Abonnentlinjeutrustning for telefonstation SE7714362L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7638031A FR2374795A1 (fr) 1976-12-17 1976-12-17 Equipement de ligne d'abonne pour central telephonique

Publications (1)

Publication Number Publication Date
SE7714362L true SE7714362L (sv) 1978-06-18

Family

ID=9181173

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7714362A SE7714362L (sv) 1976-12-17 1977-12-16 Abonnentlinjeutrustning for telefonstation

Country Status (17)

Country Link
US (1) US4119806A (sv)
JP (1) JPS5376605A (sv)
AR (1) AR214764A1 (sv)
AU (1) AU3149977A (sv)
BE (1) BE861868A (sv)
BR (1) BR7708306A (sv)
DD (1) DD133387A5 (sv)
DE (1) DE2754995A1 (sv)
ES (1) ES464741A1 (sv)
FR (1) FR2374795A1 (sv)
GB (1) GB1540553A (sv)
IT (1) IT1090819B (sv)
LU (1) LU78693A1 (sv)
NL (1) NL7713209A (sv)
OA (1) OA05828A (sv)
SE (1) SE7714362L (sv)
ZA (1) ZA777417B (sv)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5537046A (en) * 1978-09-06 1980-03-14 Nec Corp Subscriber's circuit
DE2903660C3 (de) * 1979-01-31 1981-12-10 Siemens AG, 1000 Berlin und 8000 München Belegschaltung an einer "ankommenden" c-Ader in einer Fernmeldeeinrichtung
WO1981000658A1 (en) * 1979-08-31 1981-03-05 Electro Med Eng Pty Ltd Telephone line data isolator
US4402039A (en) * 1981-09-03 1983-08-30 Bell Telephone Laboratories, Incorporated Telephone line circuit
EP0078355B1 (fr) * 1981-10-28 1985-07-31 International Business Machines Corporation Circuit d'interface comportant des moyens d'adaptation d'impédance
US4458112A (en) * 1981-10-29 1984-07-03 Telefonaktiebolaget L M Ericsson Floating subscriber loop interface circuit
US4489222A (en) * 1982-09-13 1984-12-18 The Board Of Trustees Of The Leland Stanford, Junior University Telephone line interface
US4532381A (en) * 1984-02-13 1985-07-30 Northern Telecom Limited Active impedance line feed circuit
US4805213A (en) * 1987-02-13 1989-02-14 Unison Technologies, Inc. Ring detector
AU623968B2 (en) * 1989-01-19 1992-05-28 Fujitsu Limited Earth detecting circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4011410A (en) * 1973-11-13 1977-03-08 Thomas Robert M Communication system interface circuits

Also Published As

Publication number Publication date
LU78693A1 (sv) 1978-04-17
DE2754995A1 (de) 1978-06-29
ES464741A1 (es) 1978-09-01
ZA777417B (en) 1978-10-25
IT1090819B (it) 1985-06-26
US4119806A (en) 1978-10-10
GB1540553A (en) 1979-02-14
BR7708306A (pt) 1978-09-05
BE861868A (fr) 1978-03-31
DD133387A5 (de) 1978-12-27
FR2374795A1 (fr) 1978-07-13
NL7713209A (nl) 1978-06-20
AR214764A1 (es) 1979-07-31
AU3149977A (en) 1979-06-21
OA05828A (fr) 1981-05-31
JPS5376605A (en) 1978-07-07

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