SE433284B - Anordning for strommatning av en abonnentapparat - Google Patents

Anordning for strommatning av en abonnentapparat

Info

Publication number
SE433284B
SE433284B SE8205342A SE8205342A SE433284B SE 433284 B SE433284 B SE 433284B SE 8205342 A SE8205342 A SE 8205342A SE 8205342 A SE8205342 A SE 8205342A SE 433284 B SE433284 B SE 433284B
Authority
SE
Sweden
Prior art keywords
output
voltage
low
converter
signal input
Prior art date
Application number
SE8205342A
Other languages
English (en)
Swedish (sv)
Other versions
SE8205342L (sv
SE8205342D0 (sv
Inventor
J N Sundvall
J H Johansson
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
Priority to SE8205342A priority Critical patent/SE433284B/sv
Publication of SE8205342D0 publication Critical patent/SE8205342D0/xx
Priority to KR1019830004185A priority patent/KR870000077B1/ko
Priority to BR8307523A priority patent/BR8307523A/pt
Priority to EP83902919A priority patent/EP0119234B1/en
Priority to PCT/SE1983/000329 priority patent/WO1984001249A1/en
Priority to AU20307/83A priority patent/AU562139B2/en
Priority to DE8383902919T priority patent/DE3366101D1/de
Priority to US06/606,820 priority patent/US4631360A/en
Priority to JP58503004A priority patent/JPH0626399B2/ja
Priority to IT22903/83A priority patent/IT1166949B/it
Publication of SE8205342L publication Critical patent/SE8205342L/
Publication of SE433284B publication Critical patent/SE433284B/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/06—Current supply arrangements for telephone systems in which current supply sources at subordinate switching centres are charged from the main exchange
    • 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
    • H04M19/008—Using DC/DC converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
SE8205342A 1982-09-17 1982-09-17 Anordning for strommatning av en abonnentapparat SE433284B (sv)

Priority Applications (10)

Application Number Priority Date Filing Date Title
SE8205342A SE433284B (sv) 1982-09-17 1982-09-17 Anordning for strommatning av en abonnentapparat
KR1019830004185A KR870000077B1 (ko) 1982-09-17 1983-09-06 교환국으로부터 가입자 전화기에의 전류공급장치
JP58503004A JPH0626399B2 (ja) 1982-09-17 1983-09-14 交換局から加入者電話機への電流供給装置
PCT/SE1983/000329 WO1984001249A1 (en) 1982-09-17 1983-09-14 Apparatus for the current supply of a subscriber set from an exchange
EP83902919A EP0119234B1 (en) 1982-09-17 1983-09-14 Apparatus for the current supply of a subscriber set from an exchange
BR8307523A BR8307523A (pt) 1982-09-17 1983-09-14 Aparelho para a alimentacao de corrente de um aparelho telefonico de assinante a partir de uma central telefonica
AU20307/83A AU562139B2 (en) 1982-09-17 1983-09-14 Method and apparatus in the current supply of a subscriber set from an exchange
DE8383902919T DE3366101D1 (en) 1982-09-17 1983-09-14 Apparatus for the current supply of a subscriber set from an exchange
US06/606,820 US4631360A (en) 1982-09-17 1983-09-14 Apparatus for the current supply of a subscriber set from an exchange
IT22903/83A IT1166949B (it) 1982-09-17 1983-09-16 Metodo ed apparecchiatura per l'alimentazione di corrente di un apparecchio d'abbonato da una centrale

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8205342A SE433284B (sv) 1982-09-17 1982-09-17 Anordning for strommatning av en abonnentapparat

Publications (3)

Publication Number Publication Date
SE8205342D0 SE8205342D0 (sv) 1982-09-17
SE8205342L SE8205342L (sv) 1984-03-18
SE433284B true SE433284B (sv) 1984-05-14

Family

ID=20347901

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8205342A SE433284B (sv) 1982-09-17 1982-09-17 Anordning for strommatning av en abonnentapparat

Country Status (9)

Country Link
US (1) US4631360A (ja)
EP (1) EP0119234B1 (ja)
JP (1) JPH0626399B2 (ja)
KR (1) KR870000077B1 (ja)
AU (1) AU562139B2 (ja)
DE (1) DE3366101D1 (ja)
IT (1) IT1166949B (ja)
SE (1) SE433284B (ja)
WO (1) WO1984001249A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581487A (en) * 1984-07-11 1986-04-08 Itt Corporation Universal DC feed for telephone line and trunk circuits
DE3428106A1 (de) * 1984-07-30 1986-02-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart Teilnehmeranschlussschaltung
US4866768A (en) * 1985-06-26 1989-09-12 Siemens Corporate Research & Support, Inc. Station line interface circuit for a telecommunication network
SE465547B (sv) * 1990-02-01 1991-09-23 Ericsson Telefon Ab L M Saett och krets foer likstroemsmatning till en telefonlinje
SE465799B (sv) * 1990-03-15 1991-10-28 Ericsson Telefon Ab L M Anordning foer reducerad effektmatning till en abonnentlinje
DE69016648T2 (de) * 1990-05-11 1995-07-06 Alcatel Nv Fernmeldeleitungsschaltung.
SE501975C2 (sv) * 1993-11-09 1995-07-03 Ericsson Telefon Ab L M Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning
SE9400186D0 (sv) * 1994-01-21 1994-01-21 Ericsson Telefon Ab L M Förfarande i ett telekommunikationssystem
KR100306156B1 (ko) * 1994-08-27 2001-12-01 윤종용 전자교환기내의직류전압변압기를병렬동작시키기위한방법및장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7903662A (nl) * 1979-05-10 1980-11-12 Philips Nv Lijncircuit.
US4315106A (en) * 1979-11-28 1982-02-09 International Telephone And Telegraph Corporation Apparatus for regulating current supplied to a telephone line signal of the type employed in digital telephone systems
GB2065418B (en) * 1979-12-06 1984-02-15 Standard Telephones Cables Ltd Telephone line feed
JPS5814606A (ja) * 1981-07-18 1983-01-27 Pioneer Electronic Corp 増幅器の電源供給回路
JPS58104558A (ja) * 1981-12-17 1983-06-22 Nippon Telegr & Teleph Corp <Ntt> 全電子化加入者回路
US4419542A (en) * 1982-05-17 1983-12-06 Bell Telephone Laboratories, Incorporated Battery feed circuit
JPS59125157A (ja) * 1982-12-30 1984-07-19 Fujitsu Ltd 給電回路

Also Published As

Publication number Publication date
AU2030783A (en) 1984-04-04
IT8322903A0 (it) 1983-09-16
JPS59501569A (ja) 1984-08-30
EP0119234A1 (en) 1984-09-26
KR840006272A (ko) 1984-11-22
AU562139B2 (en) 1987-05-28
WO1984001249A1 (en) 1984-03-29
US4631360A (en) 1986-12-23
EP0119234B1 (en) 1986-09-10
KR870000077B1 (ko) 1987-02-09
DE3366101D1 (en) 1986-10-16
SE8205342L (sv) 1984-03-18
JPH0626399B2 (ja) 1994-04-06
SE8205342D0 (sv) 1982-09-17
IT1166949B (it) 1987-05-06

Similar Documents

Publication Publication Date Title
SE433284B (sv) Anordning for strommatning av en abonnentapparat
SE433285B (sv) Anordning for strommatning av en abonnentapparat
SE431704B (sv) Forfarande vid strommatning av en abonnentapparat fran en telefonvexel
US5475303A (en) Electronic watthour meter
DE1763349B2 (de) Spannungsregler
FI59883B (fi) Stabiliseringsanordning foer likstroem
EP0791245B1 (en) Driving stage
SU1076885A1 (ru) Стабилизатор двухпол рного напр жени
SU875363A1 (ru) Стабилизированный источник посто нного напр жени с защитой от перенапр жений в нагрузке
SU987793A1 (ru) Усилитель посто нного тока
SU773608A1 (ru) Источник питани посто нного тока
JPS5514770A (en) Pseudo color display circuit
JPS54139024A (en) Transistor inverter
SU698004A1 (ru) Автогенераторный усилитель
SU129719A1 (ru) Электромашинный усилитель продольного пел
JPS54129446A (en) Neutral line breakage circuit for single-phase three-line type line
SU1064403A1 (ru) Преобразователь посто нного напр жени в переменное
JPH0637449Y2 (ja) 基準電圧発生器
SU708265A1 (ru) Устройство контрол изол ции сети посто нного тока
SU838615A1 (ru) Устройство дл контрол параметровэлЕКТРОННыХ CXEM
JPS63129708A (ja) アナログ入力マルチプレクサ回路
JPS5546890A (en) Driving circuit for brushless dc motor
HU191240B (en) Circuit arrangement for parallel amplifiers
JPS56114411A (en) Digital-analog converter
JPS6434019A (en) D/a conversion circuit

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8205342-2

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8205342-2

Format of ref document f/p: F