TW347630B - An arrangement in a subscriber line interface circuit - Google Patents

An arrangement in a subscriber line interface circuit

Info

Publication number
TW347630B
TW347630B TW086109290A TW86109290A TW347630B TW 347630 B TW347630 B TW 347630B TW 086109290 A TW086109290 A TW 086109290A TW 86109290 A TW86109290 A TW 86109290A TW 347630 B TW347630 B TW 347630B
Authority
TW
Taiwan
Prior art keywords
arrangement
interface circuit
voltage
subscriber line
line interface
Prior art date
Application number
TW086109290A
Other languages
English (en)
Inventor
Emericks Anders
Hellberg Henrik
Israelsson Mattias
Malmgren Carl-Henrik
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of TW347630B publication Critical patent/TW347630B/zh

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Manipulation Of Pulses (AREA)
  • Electrotherapy Devices (AREA)
TW086109290A 1997-04-23 1997-07-01 An arrangement in a subscriber line interface circuit TW347630B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9701524A SE511963C2 (sv) 1997-04-23 1997-04-23 Anordning och förfarande för bestämning av linjespänning i en abonnentlinjekrets

Publications (1)

Publication Number Publication Date
TW347630B true TW347630B (en) 1998-12-11

Family

ID=20406694

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086109290A TW347630B (en) 1997-04-23 1997-07-01 An arrangement in a subscriber line interface circuit

Country Status (11)

Country Link
US (1) US6195429B1 (zh)
EP (1) EP0978169B1 (zh)
JP (1) JP2001521714A (zh)
KR (1) KR100520026B1 (zh)
CN (1) CN1127815C (zh)
AU (1) AU7096098A (zh)
CA (1) CA2288907A1 (zh)
DE (1) DE69830580T2 (zh)
SE (1) SE511963C2 (zh)
TW (1) TW347630B (zh)
WO (1) WO1998048525A2 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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
ES2649048T3 (es) 2002-11-01 2018-01-09 Glaxosmithkline Biologicals S.A. Procedimiento de secado

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3582784A (en) * 1968-10-18 1971-06-01 Bell Telephone Labor Inc Delta modulation system
US4399440A (en) 1981-02-17 1983-08-16 Sparton Corporation Addressable transducer with a variable frequency oscillation for monitoring a physical quantity
US4380746A (en) * 1981-03-03 1983-04-19 Westinghouse Electric Corp. Pulse modulator using capacitor charging and discharging circuits
US4435622A (en) 1982-11-01 1984-03-06 Gte Automatic Electric Inc. Latching relay hold circuit for a telephone instrument
US4479174A (en) * 1982-11-03 1984-10-23 Reliance Electric Company Efficiency increasing circuit for switching power supplies operating at low power levels
SE453626B (sv) * 1986-06-27 1988-02-15 Ericsson Telefon Ab L M Sett och anordning att strommata en telefonlinje for att vid begrensad batterispenning kunna overfora en odistorderad talsignal
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 (de) * 1990-05-11 1995-07-06 Alcatel Nv Fernmeldeleitungsschaltung.
US5287404A (en) 1990-12-20 1994-02-15 Northern Telecom Limited Telephone subscriber line voltage change detection
EP0824704A2 (en) * 1996-03-01 1998-02-25 Koninklijke 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

Also Published As

Publication number Publication date
CA2288907A1 (en) 1998-10-29
KR20010020127A (ko) 2001-03-15
US6195429B1 (en) 2001-02-27
EP0978169A2 (en) 2000-02-09
KR100520026B1 (ko) 2005-10-10
SE9701524L (sv) 1998-10-24
CN1127815C (zh) 2003-11-12
EP0978169B1 (en) 2005-06-15
AU7096098A (en) 1998-11-13
WO1998048525A2 (en) 1998-10-29
JP2001521714A (ja) 2001-11-06
WO1998048525A3 (en) 1999-01-28
CN1252909A (zh) 2000-05-10
SE511963C2 (sv) 1999-12-20
SE9701524D0 (sv) 1997-04-23
DE69830580T2 (de) 2006-05-18
DE69830580D1 (de) 2005-07-21

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