FI923024A - Foerfarande och anordning foer likstroemsmatning till en telefonlinje. - Google Patents

Foerfarande och anordning foer likstroemsmatning till en telefonlinje. Download PDF

Info

Publication number
FI923024A
FI923024A FI923024A FI923024A FI923024A FI 923024 A FI923024 A FI 923024A FI 923024 A FI923024 A FI 923024A FI 923024 A FI923024 A FI 923024A FI 923024 A FI923024 A FI 923024A
Authority
FI
Finland
Prior art keywords
telefonlinje
likstroemsmatning
till
anordning foer
och anordning
Prior art date
Application number
FI923024A
Other languages
English (en)
Other versions
FI923024A0 (fi
Inventor
Bengt Gustav Loefmark
Jan Ored Haokan Oredsson
Claes Johan Anders Lindberg
Original Assignee
Ericsson L M Oy
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 L M Oy filed Critical Ericsson L M Oy
Publication of FI923024A0 publication Critical patent/FI923024A0/fi
Publication of FI923024A publication Critical patent/FI923024A/fi

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)
  • Networks Using Active Elements (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
FI923024A 1990-02-01 1992-06-29 Foerfarande och anordning foer likstroemsmatning till en telefonlinje. FI923024A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9000366A SE465547B (sv) 1990-02-01 1990-02-01 Saett och krets foer likstroemsmatning till en telefonlinje
PCT/SE1990/000804 WO1991011876A1 (en) 1990-02-01 1990-12-05 A method and arrangement for supplying direct current to a telephone line

Publications (2)

Publication Number Publication Date
FI923024A0 FI923024A0 (fi) 1992-06-29
FI923024A true FI923024A (fi) 1992-06-29

Family

ID=20378432

Family Applications (1)

Application Number Title Priority Date Filing Date
FI923024A FI923024A (fi) 1990-02-01 1992-06-29 Foerfarande och anordning foer likstroemsmatning till en telefonlinje.

Country Status (19)

Country Link
US (1) US5335272A (fi)
EP (1) EP0440006B1 (fi)
JP (1) JPH05504244A (fi)
KR (1) KR0129036B1 (fi)
CN (1) CN1026940C (fi)
AU (1) AU646836B2 (fi)
BR (1) BR9007984A (fi)
CA (1) CA2070785A1 (fi)
DE (1) DE69018057T2 (fi)
DK (1) DK0440006T3 (fi)
DZ (1) DZ1479A1 (fi)
ES (1) ES2069729T3 (fi)
FI (1) FI923024A (fi)
IE (1) IE67355B1 (fi)
NO (1) NO922726D0 (fi)
PT (1) PT96643B (fi)
SE (1) SE465547B (fi)
TN (1) TNSN91004A1 (fi)
WO (1) WO1991011876A1 (fi)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4139608A1 (de) * 1991-11-30 1993-06-03 Siemens Nixdorf Inf Syst Verfahren zur versorgungsspannungseinstellung der speiseeinrichtung von teilnehmeranschlussschaltungen
US5249226A (en) * 1992-03-02 1993-09-28 Advanced Micro Devices, Inc. Apparatus for controlling a current supply device
SE9400186D0 (sv) * 1994-01-21 1994-01-21 Ericsson Telefon Ab L M Förfarande i ett telekommunikationssystem
US5659610A (en) * 1994-09-28 1997-08-19 Lucent Technologies Inc. Battery feed circuit
SE503646C2 (sv) * 1994-11-10 1996-07-22 Ericsson Telefon Ab L M Automatisk omkopplingsanordning
JP2760325B2 (ja) * 1995-09-22 1998-05-28 日本電気株式会社 加入者回路
JP2845181B2 (ja) * 1995-09-22 1999-01-13 日本電気株式会社 加入者回路
US5913691A (en) * 1996-08-20 1999-06-22 Chrysler Corporation Dual power/control connector
US5823808A (en) * 1996-08-20 1998-10-20 Chrysler Corporation Cam lever operated connector
US5820409A (en) * 1996-08-20 1998-10-13 Chrysler Corporation Rotatable pin connector
US5934938A (en) * 1996-08-20 1999-08-10 Chrysler Corporation Split seal retainer for an electrical connector
US6301358B1 (en) * 1998-05-29 2001-10-09 Avaya Technology Corp. Dual-slope current battery-feed circuit
US6606383B1 (en) 1999-04-19 2003-08-12 Adtran Inc. Automatic remote termination sensing and line powering scheme
DE10140358C2 (de) 2001-08-17 2003-07-10 Infineon Technologies Ag Telefonsystem mit Stromregelung im Konstantstrombereich
DE102005020896B4 (de) * 2005-05-04 2007-12-13 Infineon Technologies Ag Verfahren und Regelschaltung zur Erzeugung einer Versorgungsgleichspannung für ein analoges Telefon

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476350A (en) * 1981-02-17 1984-10-09 Bell Telephone Laboratories, Incorporated Battery feed circuit
SE433284B (sv) * 1982-09-17 1984-05-14 Ericsson Telefon Ab L M Anordning for strommatning av en abonnentapparat
SE433285B (sv) * 1982-09-22 1984-05-14 Ericsson Telefon Ab L M Anordning for strommatning av en abonnentapparat
US4563547A (en) * 1983-03-07 1986-01-07 At&T Bell Laboratories Loop-start/ground-start line interface circuit

Also Published As

Publication number Publication date
SE9000366L (sv) 1991-08-02
NO922726L (no) 1992-07-10
DE69018057T2 (de) 1995-07-27
AU646836B2 (en) 1994-03-10
ES2069729T3 (es) 1995-05-16
NO922726D0 (no) 1992-07-10
PT96643B (pt) 1998-08-31
CA2070785A1 (en) 1991-08-02
DE69018057D1 (de) 1995-04-27
SE465547B (sv) 1991-09-23
FI923024A0 (fi) 1992-06-29
DZ1479A1 (fr) 2004-09-13
TNSN91004A1 (fr) 1992-10-25
DK0440006T3 (da) 1995-07-31
IE67355B1 (en) 1996-03-20
SE9000366D0 (sv) 1990-02-01
BR9007984A (pt) 1992-10-27
EP0440006B1 (en) 1995-03-22
PT96643A (pt) 1992-10-30
AU7146791A (en) 1991-08-21
CN1026940C (zh) 1994-12-07
KR0129036B1 (ko) 1998-04-08
US5335272A (en) 1994-08-02
CN1053873A (zh) 1991-08-14
JPH05504244A (ja) 1993-07-01
WO1991011876A1 (en) 1991-08-08
IE910208A1 (en) 1991-08-14
EP0440006A1 (en) 1991-08-07
KR920704488A (ko) 1992-12-19

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