WO1998048525A3 - An arrangement in a subscriber line interface circuit - Google Patents
An arrangement in a subscriber line interface circuit Download PDFInfo
- Publication number
- WO1998048525A3 WO1998048525A3 PCT/SE1998/000722 SE9800722W WO9848525A3 WO 1998048525 A3 WO1998048525 A3 WO 1998048525A3 SE 9800722 W SE9800722 W SE 9800722W WO 9848525 A3 WO9848525 A3 WO 9848525A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arrangement
- interface circuit
- voltage
- subscriber line
- line interface
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
- G01R19/252—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques using analogue/digital converters of the type with conversion of voltage or current into frequency and measuring of this frequency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/021—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of more than one type of element or means, e.g. BIMOS, composite devices such as IGBT
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
- H04B3/48—Testing attenuation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/24—Arrangements for testing
Abstract
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69830580T DE69830580T2 (en) | 1997-04-23 | 1998-04-21 | AN ARRANGEMENT IN A SUBSCRIBER INTERFACE CIRCUIT |
JP54560498A JP2001521714A (en) | 1997-04-23 | 1998-04-21 | Equipment in the subscriber line interface circuit |
EP98917930A EP0978169B1 (en) | 1997-04-23 | 1998-04-21 | An arrangement in a subscriber line interface circuit |
AU70960/98A AU7096098A (en) | 1997-04-23 | 1998-04-21 | An arrangement in a subscriber line interface circuit |
KR10-1999-7009674A KR100520026B1 (en) | 1997-04-23 | 1998-04-21 | An arrangement in a subscriber line interface circuit |
CA002288907A CA2288907A1 (en) | 1997-04-23 | 1998-04-21 | An arrangement in a subscriber line interface circuit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9701524-2 | 1997-04-23 | ||
SE9701524A SE511963C2 (en) | 1997-04-23 | 1997-04-23 | Device and method for determining line voltage in a subscriber line circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1998048525A2 WO1998048525A2 (en) | 1998-10-29 |
WO1998048525A3 true WO1998048525A3 (en) | 1999-01-28 |
Family
ID=20406694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE1998/000722 WO1998048525A2 (en) | 1997-04-23 | 1998-04-21 | An arrangement in a subscriber line interface circuit |
Country Status (11)
Country | Link |
---|---|
US (1) | US6195429B1 (en) |
EP (1) | EP0978169B1 (en) |
JP (1) | JP2001521714A (en) |
KR (1) | KR100520026B1 (en) |
CN (1) | CN1127815C (en) |
AU (1) | AU7096098A (en) |
CA (1) | CA2288907A1 (en) |
DE (1) | DE69830580T2 (en) |
SE (1) | SE511963C2 (en) |
TW (1) | TW347630B (en) |
WO (1) | WO1998048525A2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6665339B1 (en) * | 2001-03-19 | 2003-12-16 | Cisco Systems Wireless Networking (Australia) Pty. Limited | Method and apparatus for reducing oscillator pull in a CMOS wireless transceiver integrated circuit |
GB0118249D0 (en) | 2001-07-26 | 2001-09-19 | Chiron Spa | Histidine vaccines |
BR0315767A (en) | 2002-11-01 | 2005-09-06 | Glaxosmithkline Biolog Sa | Immunogenicity composition, method for making a vaccine, kit, vaccine, container with a water repellent inner surface, and method for preserving a composition comprising ipv and a stabilizing agent |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4399440A (en) * | 1981-02-17 | 1983-08-16 | Sparton Corporation | Addressable transducer with a variable frequency oscillation for monitoring a physical quantity |
US4435622A (en) * | 1982-11-01 | 1984-03-06 | Gte Automatic Electric Inc. | Latching relay hold circuit for a telephone instrument |
US5287404A (en) * | 1990-12-20 | 1994-02-15 | Northern Telecom Limited | Telephone subscriber line voltage change detection |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3582784A (en) * | 1968-10-18 | 1971-06-01 | Bell Telephone Labor Inc | Delta modulation system |
US4380746A (en) * | 1981-03-03 | 1983-04-19 | Westinghouse Electric Corp. | Pulse modulator using capacitor charging and discharging circuits |
US4479174A (en) * | 1982-11-03 | 1984-10-23 | Reliance Electric Company | Efficiency increasing circuit for switching power supplies operating at low power levels |
SE453626B (en) * | 1986-06-27 | 1988-02-15 | Ericsson Telefon Ab L M | SET AND DEVICE TO POWER A TELEPHONE LINE TO PUT A LIMITED BATTERY SIGNAL WITH LIMITED BATTERY VOLTAGE |
US4800333A (en) * | 1986-12-29 | 1989-01-24 | General Electric Company | Switched-capacitor watthour meter circuit having reduced capacitor ratio |
US4794333A (en) * | 1987-02-04 | 1988-12-27 | General Electric Company | Continuous switched-capacitor dual slope watthour meter circuit with charge injection offset compensation |
DE69016648T2 (en) * | 1990-05-11 | 1995-07-06 | Alcatel Nv | Telecommunication circuit. |
WO1997032218A2 (en) * | 1996-03-01 | 1997-09-04 | Philips Electronics N.V. | Circuit for detecting a level or a level variation of an input direct voltage |
US5734205A (en) * | 1996-04-04 | 1998-03-31 | Jeol Ltd. | Power supply using batteries undergoing great voltage variations |
-
1997
- 1997-04-23 SE SE9701524A patent/SE511963C2/en not_active IP Right Cessation
- 1997-07-01 TW TW086109290A patent/TW347630B/en active
-
1998
- 1998-04-02 US US09/053,727 patent/US6195429B1/en not_active Expired - Fee Related
- 1998-04-21 EP EP98917930A patent/EP0978169B1/en not_active Expired - Lifetime
- 1998-04-21 CA CA002288907A patent/CA2288907A1/en not_active Abandoned
- 1998-04-21 WO PCT/SE1998/000722 patent/WO1998048525A2/en active IP Right Grant
- 1998-04-21 KR KR10-1999-7009674A patent/KR100520026B1/en not_active IP Right Cessation
- 1998-04-21 AU AU70960/98A patent/AU7096098A/en not_active Abandoned
- 1998-04-21 JP JP54560498A patent/JP2001521714A/en active Pending
- 1998-04-21 DE DE69830580T patent/DE69830580T2/en not_active Expired - Fee Related
- 1998-04-21 CN CN98804419A patent/CN1127815C/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4399440A (en) * | 1981-02-17 | 1983-08-16 | Sparton Corporation | Addressable transducer with a variable frequency oscillation for monitoring a physical quantity |
US4435622A (en) * | 1982-11-01 | 1984-03-06 | Gte Automatic Electric Inc. | Latching relay hold circuit for a telephone instrument |
US5287404A (en) * | 1990-12-20 | 1994-02-15 | Northern Telecom Limited | Telephone subscriber line voltage change detection |
Also Published As
Publication number | Publication date |
---|---|
TW347630B (en) | 1998-12-11 |
CN1127815C (en) | 2003-11-12 |
SE9701524D0 (en) | 1997-04-23 |
SE511963C2 (en) | 1999-12-20 |
AU7096098A (en) | 1998-11-13 |
EP0978169B1 (en) | 2005-06-15 |
WO1998048525A2 (en) | 1998-10-29 |
DE69830580T2 (en) | 2006-05-18 |
SE9701524L (en) | 1998-10-24 |
CA2288907A1 (en) | 1998-10-29 |
EP0978169A2 (en) | 2000-02-09 |
KR20010020127A (en) | 2001-03-15 |
DE69830580D1 (en) | 2005-07-21 |
JP2001521714A (en) | 2001-11-06 |
US6195429B1 (en) | 2001-02-27 |
KR100520026B1 (en) | 2005-10-10 |
CN1252909A (en) | 2000-05-10 |
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