CN1227888C - 用户线接口电路中的一种装置 - Google Patents
用户线接口电路中的一种装置 Download PDFInfo
- Publication number
- CN1227888C CN1227888C CNB008138362A CN00813836A CN1227888C CN 1227888 C CN1227888 C CN 1227888C CN B008138362 A CNB008138362 A CN B008138362A CN 00813836 A CN00813836 A CN 00813836A CN 1227888 C CN1227888 C CN 1227888C
- Authority
- CN
- China
- Prior art keywords
- current
- voltage
- line
- battery
- line current
- 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 - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Devices For Supply Of Signal Current (AREA)
- Interface Circuits In Exchanges (AREA)
- Direct Current Feeding And Distribution (AREA)
- Exchange Systems With Centralized Control (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Cable Accessories (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9903567A SE514853C2 (sv) | 1999-10-04 | 1999-10-04 | Anordning i en abonnentlinjekrets |
SE99035677 | 1999-10-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1377553A CN1377553A (zh) | 2002-10-30 |
CN1227888C true CN1227888C (zh) | 2005-11-16 |
Family
ID=20417239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB008138362A Expired - Fee Related CN1227888C (zh) | 1999-10-04 | 2000-10-04 | 用户线接口电路中的一种装置 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6498849B1 (zh) |
EP (1) | EP1222803B1 (zh) |
JP (1) | JP2003511915A (zh) |
KR (1) | KR100571016B1 (zh) |
CN (1) | CN1227888C (zh) |
AT (1) | ATE324007T1 (zh) |
AU (1) | AU7978400A (zh) |
DE (1) | DE60027450T2 (zh) |
SE (1) | SE514853C2 (zh) |
TW (1) | TW432824B (zh) |
WO (1) | WO2001026354A1 (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100408739B1 (ko) * | 2001-12-04 | 2003-12-11 | 엘지이노텍 주식회사 | 교환기 가입자 보드용 아날로그 슬릭 회로 |
US7925005B2 (en) * | 2006-10-23 | 2011-04-12 | Silicon Laboratories, Inc. | Longitudinal balance calibration for a subscriber line interface circuit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE503646C2 (sv) * | 1994-11-10 | 1996-07-22 | Ericsson Telefon Ab L M | Automatisk omkopplingsanordning |
US5737411A (en) | 1994-12-29 | 1998-04-07 | Advanced Micro Devices Inc. | Battery switching in a telephone subscriber line interface circuit |
FI974271A (fi) * | 1997-11-18 | 1999-05-19 | Nokia Telecommunications Oy | Tilaajajohtoliitäntäpiiri |
US6233335B1 (en) * | 1998-05-15 | 2001-05-15 | Intersil Corporation | Battery switching subscriber loop interface circuit |
US6301358B1 (en) * | 1998-05-29 | 2001-10-09 | Avaya Technology Corp. | Dual-slope current battery-feed circuit |
-
1999
- 1999-10-04 SE SE9903567A patent/SE514853C2/sv not_active IP Right Cessation
- 1999-10-04 TW TW088117063A patent/TW432824B/zh not_active IP Right Cessation
-
2000
- 2000-10-04 KR KR1020027004297A patent/KR100571016B1/ko not_active IP Right Cessation
- 2000-10-04 JP JP2001529192A patent/JP2003511915A/ja active Pending
- 2000-10-04 CN CNB008138362A patent/CN1227888C/zh not_active Expired - Fee Related
- 2000-10-04 EP EP00970394A patent/EP1222803B1/en not_active Expired - Lifetime
- 2000-10-04 US US09/678,676 patent/US6498849B1/en not_active Expired - Fee Related
- 2000-10-04 AT AT00970394T patent/ATE324007T1/de not_active IP Right Cessation
- 2000-10-04 AU AU79784/00A patent/AU7978400A/en not_active Abandoned
- 2000-10-04 DE DE60027450T patent/DE60027450T2/de not_active Expired - Fee Related
- 2000-10-04 WO PCT/SE2000/001916 patent/WO2001026354A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
SE514853C2 (sv) | 2001-05-07 |
WO2001026354A1 (en) | 2001-04-12 |
DE60027450T2 (de) | 2006-11-30 |
ATE324007T1 (de) | 2006-05-15 |
EP1222803B1 (en) | 2006-04-19 |
KR100571016B1 (ko) | 2006-04-13 |
AU7978400A (en) | 2001-05-10 |
JP2003511915A (ja) | 2003-03-25 |
DE60027450D1 (de) | 2006-05-24 |
EP1222803A1 (en) | 2002-07-17 |
SE9903567D0 (sv) | 1999-10-04 |
CN1377553A (zh) | 2002-10-30 |
SE9903567L (sv) | 2001-04-05 |
TW432824B (en) | 2001-05-01 |
US6498849B1 (en) | 2002-12-24 |
KR20020044156A (ko) | 2002-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER OWNER: ELLISON TELEPHONE CO., LTD. Effective date: 20040903 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20040903 Address after: Munich, Germany Applicant after: Infennian Technologies AG Address before: Stockholm Applicant before: Ericsson Telephone AB |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
REG | Reference to a national code |
Ref country code: HK Ref legal event code: WD Ref document number: 1050790 Country of ref document: HK |