SE329647B - - Google Patents

Info

Publication number
SE329647B
SE329647B SE395669A SE395669A SE329647B SE 329647 B SE329647 B SE 329647B SE 395669 A SE395669 A SE 395669A SE 395669 A SE395669 A SE 395669A SE 329647 B SE329647 B SE 329647B
Authority
SE
Sweden
Application number
SE395669A
Inventor
K Edin
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE395669A priority Critical patent/SE329647B/xx
Priority to NL7002271A priority patent/NL7002271A/xx
Priority to AU11643/70A priority patent/AU1164370A/en
Priority to DE19702010463 priority patent/DE2010463A1/de
Priority to BE747683A priority patent/BE747683A/fr
Priority to FR7010219A priority patent/FR2039824A5/fr
Publication of SE329647B publication Critical patent/SE329647B/xx

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
    • 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
    • H04M19/026—Arrangements for interrupting the ringing current

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
SE395669A 1968-03-21 1969-03-21 SE329647B (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE395669A SE329647B (fr) 1969-03-21 1969-03-21
NL7002271A NL7002271A (fr) 1969-03-21 1970-02-18
AU11643/70A AU1164370A (en) 1968-03-21 1970-02-20 Arrangement for transmitting signals via a telephone line
DE19702010463 DE2010463A1 (de) 1969-03-21 1970-03-02 Anordnung zum übertragen von Signalen über eine Telefonleitung
BE747683A BE747683A (fr) 1969-03-21 1970-03-20 Dispositif de transmission de signaux par ligne telephonique
FR7010219A FR2039824A5 (fr) 1969-03-21 1970-03-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE395669A SE329647B (fr) 1969-03-21 1969-03-21

Publications (1)

Publication Number Publication Date
SE329647B true SE329647B (fr) 1970-10-19

Family

ID=20263217

Family Applications (1)

Application Number Title Priority Date Filing Date
SE395669A SE329647B (fr) 1968-03-21 1969-03-21

Country Status (6)

Country Link
AU (1) AU1164370A (fr)
BE (1) BE747683A (fr)
DE (1) DE2010463A1 (fr)
FR (1) FR2039824A5 (fr)
NL (1) NL7002271A (fr)
SE (1) SE329647B (fr)

Also Published As

Publication number Publication date
AU1164370A (en) 1971-08-26
FR2039824A5 (fr) 1971-01-15
NL7002271A (fr) 1970-09-23
BE747683A (fr) 1970-08-31
DE2010463A1 (de) 1970-09-24

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