SE9604545L - Förfarande för anordning för att detektera en ringbortkoppling - Google Patents
Förfarande för anordning för att detektera en ringbortkopplingInfo
- Publication number
- SE9604545L SE9604545L SE9604545A SE9604545A SE9604545L SE 9604545 L SE9604545 L SE 9604545L SE 9604545 A SE9604545 A SE 9604545A SE 9604545 A SE9604545 A SE 9604545A SE 9604545 L SE9604545 L SE 9604545L
- Authority
- SE
- Sweden
- Prior art keywords
- ring
- zero
- phase difference
- previous
- cycles
- Prior art date
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)
- Measurement Of Current Or Voltage (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Devices For Supply Of Signal Current (AREA)
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9604545A SE511917C2 (sv) | 1996-12-10 | 1996-12-10 | Förfarande för anordning för att detektera en ringbortkoppling |
TW085115742A TW366639B (en) | 1996-12-10 | 1996-12-20 | A method and device for detecting a ringtrip |
EP97949295A EP0953251B1 (en) | 1996-12-10 | 1997-11-18 | Method and device for detecting a ringtrip |
PCT/SE1997/001937 WO1998026573A2 (en) | 1996-12-10 | 1997-11-18 | Method and device for detecting a ringtrip |
DE69734112T DE69734112T2 (de) | 1996-12-10 | 1997-11-18 | Verfahren und vorrichtung zur rufabschaltungserkennung |
JP52654398A JP2001506081A (ja) | 1996-12-10 | 1997-11-18 | リング・トリップ検出方法および装置 |
KR10-1999-7005089A KR100518253B1 (ko) | 1996-12-10 | 1997-11-18 | 링트립을 검출하는 방법 및 장치 |
AU78518/98A AU7851898A (en) | 1996-12-10 | 1997-11-18 | Method and device for detecting a ringtrip |
CNB971816824A CN1156139C (zh) | 1996-12-10 | 1997-11-18 | 用于检测截铃的方法和装置 |
CA002274525A CA2274525A1 (en) | 1996-12-10 | 1997-11-18 | Method and device for detecting a ringtrip |
US08/987,767 US5978471A (en) | 1996-12-10 | 1997-12-09 | Method and device for detecting a ringtrip |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9604545A SE511917C2 (sv) | 1996-12-10 | 1996-12-10 | Förfarande för anordning för att detektera en ringbortkoppling |
US08/987,767 US5978471A (en) | 1996-12-10 | 1997-12-09 | Method and device for detecting a ringtrip |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9604545D0 SE9604545D0 (sv) | 1996-12-10 |
SE9604545L true SE9604545L (sv) | 1998-06-11 |
SE511917C2 SE511917C2 (sv) | 1999-12-13 |
Family
ID=26662815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9604545A SE511917C2 (sv) | 1996-12-10 | 1996-12-10 | Förfarande för anordning för att detektera en ringbortkoppling |
Country Status (5)
Country | Link |
---|---|
US (1) | US5978471A (sv) |
EP (1) | EP0953251B1 (sv) |
AU (1) | AU7851898A (sv) |
SE (1) | SE511917C2 (sv) |
WO (1) | WO1998026573A2 (sv) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5856933A (en) * | 1994-06-03 | 1999-01-05 | University Of South Florida | System and method for digital simulation of an electrical circuit |
US7110525B1 (en) | 2001-06-25 | 2006-09-19 | Toby Heller | Agent training sensitive call routing system |
US7372952B1 (en) | 2002-03-07 | 2008-05-13 | Wai Wu | Telephony control system with intelligent call routing |
US9818136B1 (en) | 2003-02-05 | 2017-11-14 | Steven M. Hoffberg | System and method for determining contingent relevance |
US7676034B1 (en) | 2003-03-07 | 2010-03-09 | Wai Wu | Method and system for matching entities in an auction |
US8874477B2 (en) | 2005-10-04 | 2014-10-28 | Steven Mark Hoffberg | Multifactorial optimization system and method |
US8300798B1 (en) | 2006-04-03 | 2012-10-30 | Wai Wu | Intelligent communication routing system and method |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH604453A5 (sv) * | 1976-06-25 | 1978-09-15 | Ibm | |
US4132864A (en) * | 1977-04-28 | 1979-01-02 | International Business Machines Corporation | Digital measurement of the DC value in an AC signal adapted to telephone off-hook detection |
US4304970A (en) * | 1979-11-14 | 1981-12-08 | Gte Products Corp. | Telephone status monitor apparatus |
FR2531296B1 (fr) * | 1982-07-30 | 1988-04-15 | Cit Alcatel | Procede et dispositif de detection de boucle en phase sonnerie |
US4477698A (en) * | 1982-09-07 | 1984-10-16 | Melita Electronics Labs, Inc. | Apparatus for detecting pick-up at a remote telephone set |
US4524245A (en) * | 1983-01-13 | 1985-06-18 | Redcom Laboratories Inc. | Ring trip detection system |
US4731828A (en) * | 1985-06-07 | 1988-03-15 | Plessey Overseas Limited | Ring trip detection in telecommunications exchanges |
US5402482A (en) * | 1991-07-08 | 1995-03-28 | Fujitsu Limited | Ring trip deciding circuit |
-
1996
- 1996-12-10 SE SE9604545A patent/SE511917C2/sv not_active IP Right Cessation
-
1997
- 1997-11-18 WO PCT/SE1997/001937 patent/WO1998026573A2/en active IP Right Grant
- 1997-11-18 EP EP97949295A patent/EP0953251B1/en not_active Expired - Lifetime
- 1997-11-18 AU AU78518/98A patent/AU7851898A/en not_active Abandoned
- 1997-12-09 US US08/987,767 patent/US5978471A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0953251A2 (en) | 1999-11-03 |
SE511917C2 (sv) | 1999-12-13 |
SE9604545D0 (sv) | 1996-12-10 |
AU7851898A (en) | 1998-07-03 |
WO1998026573A2 (en) | 1998-06-18 |
US5978471A (en) | 1999-11-02 |
EP0953251B1 (en) | 2005-08-31 |
WO1998026573A3 (en) | 1998-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |