ZA862010B - Interface circuit for a telephone system - Google Patents

Interface circuit for a telephone system

Info

Publication number
ZA862010B
ZA862010B ZA862010A ZA862010A ZA862010B ZA 862010 B ZA862010 B ZA 862010B ZA 862010 A ZA862010 A ZA 862010A ZA 862010 A ZA862010 A ZA 862010A ZA 862010 B ZA862010 B ZA 862010B
Authority
ZA
South Africa
Prior art keywords
interface circuit
telephone system
telephone
interface
circuit
Prior art date
Application number
ZA862010A
Inventor
Harald Butter
Erich Naiwirt
Original Assignee
Itt Austria
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 filed Critical Itt Austria
Publication of ZA862010B publication Critical patent/ZA862010B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M7/00Arrangements for interconnection between switching centres
    • H04M7/0096Trunk circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/06Current supply arrangements for telephone systems in which current supply sources at subordinate switching centres are charged from the main exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
ZA862010A 1985-04-03 1986-03-18 Interface circuit for a telephone system ZA862010B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1009/85A AT393056B (en) 1985-04-03 1985-04-03 TRANSMITTER CIRCUIT FOR TELEPHONE NETWORKS

Publications (1)

Publication Number Publication Date
ZA862010B true ZA862010B (en) 1986-10-29

Family

ID=3504826

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA862010A ZA862010B (en) 1985-04-03 1986-03-18 Interface circuit for a telephone system

Country Status (5)

Country Link
JP (1) JPS61232791A (en)
KR (1) KR860008692A (en)
AT (1) AT393056B (en)
TR (1) TR25689A (en)
ZA (1) ZA862010B (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2530105B1 (en) * 1982-07-07 1985-07-05 Constr Telephoniques LOOP CIRCUIT FOR TELEPHONE LINE

Also Published As

Publication number Publication date
KR860008692A (en) 1986-11-17
AT393056B (en) 1991-08-12
ATA100985A (en) 1990-12-15
TR25689A (en) 1993-06-15
JPS61232791A (en) 1986-10-17

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