AU3444478A - Loop detector - Google Patents
Loop detectorInfo
- Publication number
- AU3444478A AU3444478A AU34444/78A AU3444478A AU3444478A AU 3444478 A AU3444478 A AU 3444478A AU 34444/78 A AU34444/78 A AU 34444/78A AU 3444478 A AU3444478 A AU 3444478A AU 3444478 A AU3444478 A AU 3444478A
- Authority
- AU
- Australia
- Prior art keywords
- loop detector
- detector
- loop
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
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
- H04M19/026—Arrangements for interrupting the ringing current
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7703293A NL7703293A (nl) | 1977-03-28 | 1977-03-28 | Lusdetector voor het detecteren van het slui- ten van een abonneelus tijdens het wekken door middel van snelle polariteitswisselingen. |
Publications (1)
Publication Number | Publication Date |
---|---|
AU3444478A true AU3444478A (en) | 1979-09-27 |
Family
ID=19828248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU34444/78A Pending AU3444478A (en) | 1977-03-28 | 1978-03-23 | Loop detector |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS53120207A (nl) |
AU (1) | AU3444478A (nl) |
BE (1) | BE865387A (nl) |
BR (1) | BR7801834A (nl) |
DE (1) | DE2811389A1 (nl) |
FR (1) | FR2386209A1 (nl) |
NL (1) | NL7703293A (nl) |
SE (1) | SE7803369L (nl) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1128374B (it) * | 1980-02-19 | 1986-05-28 | Cselt Centro Studi Lab Telecom | Circuito telefonico per la generazione del ritmo di suoneria ed il riconoscimento dello sgancio |
DE3214624C2 (de) * | 1982-04-20 | 1986-05-28 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur Auswertung von Teilnehmerschleifenzuständen in Fernsprechanlagen, insbesondere in Fernsprechnebenstellenanlagen |
DE3545574A1 (de) * | 1985-12-21 | 1987-07-02 | Philips Patentverwaltung | Verfahren und schaltungsanordnung zur auswertung der ausgangssignale von stromflussdetektoren in fernmeldeanlagen |
-
1977
- 1977-03-28 NL NL7703293A patent/NL7703293A/nl not_active Application Discontinuation
-
1978
- 1978-03-16 DE DE19782811389 patent/DE2811389A1/de active Pending
- 1978-03-23 AU AU34444/78A patent/AU3444478A/en active Pending
- 1978-03-23 SE SE7803369A patent/SE7803369L/xx unknown
- 1978-03-25 JP JP3364578A patent/JPS53120207A/ja active Pending
- 1978-03-27 BR BR7801834A patent/BR7801834A/pt unknown
- 1978-03-28 FR FR7808896A patent/FR2386209A1/fr not_active Withdrawn
- 1978-03-28 BE BE186332A patent/BE865387A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE865387A (fr) | 1978-09-28 |
JPS53120207A (en) | 1978-10-20 |
DE2811389A1 (de) | 1978-10-05 |
BR7801834A (pt) | 1978-12-26 |
SE7803369L (sv) | 1978-09-29 |
FR2386209A1 (fr) | 1978-10-27 |
NL7703293A (nl) | 1978-10-02 |
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