ATA163575A - CIRCUIT ARRANGEMENT FOR MONITORING THE FLOW OF CURRENT IN A CONDUCTOR, ESPECIALLY FOR LOOP MONITORING IN COMMUNICATION SYSTEMS - Google Patents

CIRCUIT ARRANGEMENT FOR MONITORING THE FLOW OF CURRENT IN A CONDUCTOR, ESPECIALLY FOR LOOP MONITORING IN COMMUNICATION SYSTEMS

Info

Publication number
ATA163575A
ATA163575A AT163575A AT163575A ATA163575A AT A163575 A ATA163575 A AT A163575A AT 163575 A AT163575 A AT 163575A AT 163575 A AT163575 A AT 163575A AT A163575 A ATA163575 A AT A163575A
Authority
AT
Austria
Prior art keywords
monitoring
conductor
current
flow
communication systems
Prior art date
Application number
AT163575A
Other languages
German (de)
Other versions
AT360591B (en
Inventor
Ludwig Ing Huber
Heinrich Ing Kachelmaier
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
Priority to AT163575A priority Critical patent/AT360591B/en
Publication of ATA163575A publication Critical patent/ATA163575A/en
Application granted granted Critical
Publication of AT360591B publication Critical patent/AT360591B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
AT163575A 1975-03-03 1975-03-03 CIRCUIT ARRANGEMENT FOR MONITORING THE CURRENT FLOW IN A LADDER, ESPECIALLY FOR LOOP MONITORING IN MESSAGE-TECHNICAL SYSTEMS AT360591B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT163575A AT360591B (en) 1975-03-03 1975-03-03 CIRCUIT ARRANGEMENT FOR MONITORING THE CURRENT FLOW IN A LADDER, ESPECIALLY FOR LOOP MONITORING IN MESSAGE-TECHNICAL SYSTEMS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT163575A AT360591B (en) 1975-03-03 1975-03-03 CIRCUIT ARRANGEMENT FOR MONITORING THE CURRENT FLOW IN A LADDER, ESPECIALLY FOR LOOP MONITORING IN MESSAGE-TECHNICAL SYSTEMS

Publications (2)

Publication Number Publication Date
ATA163575A true ATA163575A (en) 1979-10-15
AT360591B AT360591B (en) 1981-01-26

Family

ID=3517673

Family Applications (1)

Application Number Title Priority Date Filing Date
AT163575A AT360591B (en) 1975-03-03 1975-03-03 CIRCUIT ARRANGEMENT FOR MONITORING THE CURRENT FLOW IN A LADDER, ESPECIALLY FOR LOOP MONITORING IN MESSAGE-TECHNICAL SYSTEMS

Country Status (1)

Country Link
AT (1) AT360591B (en)

Also Published As

Publication number Publication date
AT360591B (en) 1981-01-26

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Legal Events

Date Code Title Description
EFA Change in the company name
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties