TR23906A - Telefon sistemlerine mahsus devreler - Google Patents

Telefon sistemlerine mahsus devreler

Info

Publication number
TR23906A
TR23906A TR4068985A TR4068985A TR23906A TR 23906 A TR23906 A TR 23906A TR 4068985 A TR4068985 A TR 4068985A TR 4068985 A TR4068985 A TR 4068985A TR 23906 A TR23906 A TR 23906A
Authority
TR
Turkey
Prior art keywords
circuits
telephone systems
telephone
systems
Prior art date
Application number
TR4068985A
Other languages
English (en)
Original Assignee
Itt Austria Ges Mbh
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 Itt Austria Ges Mbh filed Critical Itt Austria Ges Mbh
Publication of TR23906A publication Critical patent/TR23906A/tr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M7/00—Arrangements for interconnection between switching centres
    • H04M7/0096—Trunk circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
TR4068985A 1984-10-05 1985-10-14 Telefon sistemlerine mahsus devreler TR23906A (tr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0316784A AT384919B (de) 1984-10-05 1984-10-05 Schaltungsanordnung fuer fernsprechnetze

Publications (1)

Publication Number Publication Date
TR23906A true TR23906A (tr) 1990-11-02

Family

ID=3546374

Family Applications (1)

Application Number Title Priority Date Filing Date
TR4068985A TR23906A (tr) 1984-10-05 1985-10-14 Telefon sistemlerine mahsus devreler

Country Status (12)

Country Link
US (1) US4670902A (tr)
EP (1) EP0181316B1 (tr)
KR (1) KR860003721A (tr)
CN (1) CN85107283B (tr)
AT (1) AT384919B (tr)
BR (1) BR8504875A (tr)
DE (1) DE3584821D1 (tr)
EG (1) EG17436A (tr)
ES (1) ES8703699A1 (tr)
IN (1) IN165967B (tr)
TR (1) TR23906A (tr)
ZA (1) ZA857404B (tr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5920846A (en) * 1996-02-27 1999-07-06 Southwestern Bell Telephone Co. Method and system for processing a service request relating to installation, maintenance or repair of telecommunications services provided to a customer premises
DE19708929A1 (de) * 1997-03-05 1998-09-10 Zahnradfabrik Friedrichshafen Steuerung von Nebenabtrieben in automatisierten Fahrzeuggetrieben
WO1999053627A1 (en) 1998-04-10 1999-10-21 Chrimar Systems, Inc. Doing Business As Cms Technologies System for communicating with electronic equipment on a network

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932712A (en) * 1972-06-14 1976-01-13 Stromberg-Carlson Corporation Telephone transmission system
US3903378A (en) * 1974-03-27 1975-09-02 Gte Automatic Electric Lab Inc Arrangement for controlling the gain of two-way amplifiers in accordance with loop lengths
US4074087A (en) * 1976-08-16 1978-02-14 Bell Telephone Laboratories, Incorporated Bidirectional voice frequency repeater
US4096363A (en) * 1977-05-24 1978-06-20 Bell Telephone Laboratories, Incorporated Transmission network including flux compensation
CA1123131A (en) * 1978-02-28 1982-05-04 Michael C.J. Cowpland Transformerless trunk circuit
US4229625A (en) * 1978-12-29 1980-10-21 Bell Telephone Laboratories, Incorporated Repeater level control circuit
US4331842A (en) * 1980-02-11 1982-05-25 Reliance Electric Company Voice frequency repeater and term sets and other circuits therefor
US4373118A (en) * 1981-06-08 1983-02-08 Bell Telephone Laboratories, Incorporated Battery feed circuit
DE3226686A1 (de) * 1982-07-16 1984-01-19 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur abgabe von gleichstrom-schaltkennzeichen in einem kennzeichenumsetzer
US4600811A (en) * 1982-12-28 1986-07-15 Nec Corporation Subscriber line interface circuit

Also Published As

Publication number Publication date
EP0181316B1 (de) 1991-12-04
EP0181316A2 (de) 1986-05-14
ZA857404B (en) 1986-05-28
CN85107283A (zh) 1986-08-27
KR860003721A (ko) 1986-05-28
ES8703699A1 (es) 1987-02-16
IN165967B (tr) 1990-02-17
CN85107283B (zh) 1988-11-16
ATA316784A (de) 1987-06-15
ES547610A0 (es) 1987-02-16
AT384919B (de) 1988-01-25
EP0181316A3 (en) 1988-05-25
DE3584821D1 (de) 1992-01-16
US4670902A (en) 1987-06-02
EG17436A (en) 1992-06-30
BR8504875A (pt) 1986-07-22

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