DE69731303D1 - Teilnehmerleitungsschnittstellenschaltung - Google Patents
TeilnehmerleitungsschnittstellenschaltungInfo
- Publication number
- DE69731303D1 DE69731303D1 DE69731303T DE69731303T DE69731303D1 DE 69731303 D1 DE69731303 D1 DE 69731303D1 DE 69731303 T DE69731303 T DE 69731303T DE 69731303 T DE69731303 T DE 69731303T DE 69731303 D1 DE69731303 D1 DE 69731303D1
- Authority
- DE
- Germany
- Prior art keywords
- interface circuit
- subscriber line
- line interface
- subscriber
- circuit
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9604103A SE507920C2 (sv) | 1996-11-08 | 1996-11-08 | Linjekrets |
SE9604103 | 1996-11-08 | ||
PCT/SE1997/001856 WO1998021875A1 (en) | 1996-11-08 | 1997-11-06 | A subscriber line interface circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69731303D1 true DE69731303D1 (de) | 2004-11-25 |
DE69731303T2 DE69731303T2 (de) | 2005-11-17 |
Family
ID=20404548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69731303T Expired - Lifetime DE69731303T2 (de) | 1996-11-08 | 1997-11-06 | Teilnehmerleitungsschnittstellenschaltung |
Country Status (11)
Country | Link |
---|---|
US (1) | US6122367A (de) |
EP (1) | EP0931412B1 (de) |
JP (1) | JP2001504300A (de) |
KR (1) | KR100351259B1 (de) |
CN (1) | CN1145348C (de) |
AU (1) | AU4974497A (de) |
CA (1) | CA2271109A1 (de) |
DE (1) | DE69731303T2 (de) |
SE (1) | SE507920C2 (de) |
TW (1) | TW356632B (de) |
WO (1) | WO1998021875A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6700975B1 (en) | 1996-11-08 | 2004-03-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Subscriber line interface circuit |
US6301358B1 (en) * | 1998-05-29 | 2001-10-09 | Avaya Technology Corp. | Dual-slope current battery-feed circuit |
US6665398B1 (en) * | 1998-09-01 | 2003-12-16 | Christopher Ludeman | Programmable subscriber loop interface circuit and method |
US6484347B1 (en) * | 2001-07-06 | 2002-11-26 | Ta-Chin Wang | Steam cleaner |
DE10140358C2 (de) * | 2001-08-17 | 2003-07-10 | Infineon Technologies Ag | Telefonsystem mit Stromregelung im Konstantstrombereich |
USD786221S1 (en) * | 2016-02-19 | 2017-05-09 | Adrian Stoch | Earbud |
USD786217S1 (en) * | 2016-02-19 | 2017-05-09 | Adrian Stoch | Combined necklace and earphone |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4451703A (en) * | 1981-12-30 | 1984-05-29 | Stromberg-Carlson Corporation | All electronic interface for telephony system |
SE433285B (sv) * | 1982-09-22 | 1984-05-14 | Ericsson Telefon Ab L M | Anordning for strommatning av en abonnentapparat |
US4598173A (en) * | 1984-10-15 | 1986-07-01 | Itt Corporation | Interface circuit for a subscriber line circuit |
JP2573190B2 (ja) * | 1985-09-03 | 1997-01-22 | 株式会社東芝 | 直流給電回路 |
IT1197917B (it) * | 1986-10-24 | 1988-12-21 | Sgs Microelettronica Spa | Circuito di controllo per un regolatore di tensione di un circuito interfaccia attacco linea telefonica d'utente (slic) |
US5103387A (en) * | 1991-01-31 | 1992-04-07 | Northern Telecom Limited | High voltage converter |
US5249226A (en) * | 1992-03-02 | 1993-09-28 | Advanced Micro Devices, Inc. | Apparatus for controlling a current supply device |
JP2639304B2 (ja) * | 1993-06-15 | 1997-08-13 | 日本電気株式会社 | 加入者回路 |
SE501975C2 (sv) * | 1993-11-09 | 1995-07-03 | Ericsson Telefon Ab L M | Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning |
US5659610A (en) * | 1994-09-28 | 1997-08-19 | Lucent Technologies Inc. | Battery feed circuit |
US5619567A (en) * | 1994-10-31 | 1997-04-08 | Advanced Micro Devices | Variable DC feed characteristic in a subscriber line interface circuit |
JP2760325B2 (ja) * | 1995-09-22 | 1998-05-28 | 日本電気株式会社 | 加入者回路 |
US5721774A (en) * | 1995-12-15 | 1998-02-24 | Lucent Technologies Inc. | Longitudinally balanced, dual voltage line-feed circuit |
US5854839A (en) * | 1996-05-10 | 1998-12-29 | Lucent Technologies Inc. | Dual voltage, self-monitoring line circuit |
US5854550A (en) * | 1997-11-06 | 1998-12-29 | Lucent Technologies Inc. | Transformerless digital-line battery feed circuit |
-
1996
- 1996-11-08 SE SE9604103A patent/SE507920C2/sv not_active IP Right Cessation
-
1997
- 1997-05-24 TW TW086107028A patent/TW356632B/zh not_active IP Right Cessation
- 1997-10-30 US US08/961,017 patent/US6122367A/en not_active Expired - Lifetime
- 1997-11-06 EP EP97912619A patent/EP0931412B1/de not_active Expired - Lifetime
- 1997-11-06 KR KR1019997003977A patent/KR100351259B1/ko not_active IP Right Cessation
- 1997-11-06 CN CNB971994285A patent/CN1145348C/zh not_active Expired - Fee Related
- 1997-11-06 CA CA002271109A patent/CA2271109A1/en not_active Abandoned
- 1997-11-06 DE DE69731303T patent/DE69731303T2/de not_active Expired - Lifetime
- 1997-11-06 JP JP52245798A patent/JP2001504300A/ja active Pending
- 1997-11-06 WO PCT/SE1997/001856 patent/WO1998021875A1/en active IP Right Grant
- 1997-11-06 AU AU49744/97A patent/AU4974497A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CN1145348C (zh) | 2004-04-07 |
EP0931412B1 (de) | 2004-10-20 |
CA2271109A1 (en) | 1998-05-22 |
AU4974497A (en) | 1998-06-03 |
WO1998021875A1 (en) | 1998-05-22 |
KR20000053065A (ko) | 2000-08-25 |
CN1235731A (zh) | 1999-11-17 |
DE69731303T2 (de) | 2005-11-17 |
EP0931412A1 (de) | 1999-07-28 |
US6122367A (en) | 2000-09-19 |
SE507920C2 (sv) | 1998-07-27 |
JP2001504300A (ja) | 2001-03-27 |
TW356632B (en) | 1999-04-21 |
SE9604103D0 (sv) | 1996-11-08 |
KR100351259B1 (ko) | 2002-09-05 |
SE9604103L (sv) | 1998-05-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: LANTIQ DEUTSCHLAND GMBH, 85579 NEUBIBERG, DE |