SE502276C2 - Förfarande och anordning för generering av en ringsignal - Google Patents

Förfarande och anordning för generering av en ringsignal

Info

Publication number
SE502276C2
SE502276C2 SE9400185A SE9400185A SE502276C2 SE 502276 C2 SE502276 C2 SE 502276C2 SE 9400185 A SE9400185 A SE 9400185A SE 9400185 A SE9400185 A SE 9400185A SE 502276 C2 SE502276 C2 SE 502276C2
Authority
SE
Sweden
Prior art keywords
subscriber line
current
line circuit
resistor
input
Prior art date
Application number
SE9400185A
Other languages
English (en)
Swedish (sv)
Other versions
SE9400185L (sv
SE9400185D0 (sv
Inventor
Torbjoern Randahl
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 SE9400185A priority Critical patent/SE502276C2/sv
Publication of SE9400185D0 publication Critical patent/SE9400185D0/xx
Priority to AT95907185T priority patent/ATE230537T1/de
Priority to DE69529275T priority patent/DE69529275T2/de
Priority to MX9602380A priority patent/MX9602380A/es
Priority to CN95191172.4A priority patent/CN1083205C/zh
Priority to KR1019960703637A priority patent/KR100265481B1/ko
Priority to CA002179387A priority patent/CA2179387A1/en
Priority to PCT/SE1995/000047 priority patent/WO1995020290A1/en
Priority to BR9506450A priority patent/BR9506450A/pt
Priority to EP95907185A priority patent/EP0740881B1/de
Priority to JP51950795A priority patent/JP3457674B2/ja
Priority to US08/375,687 priority patent/US5553132A/en
Priority to TW084100489A priority patent/TW255085B/zh
Publication of SE9400185L publication Critical patent/SE9400185L/
Publication of SE502276C2 publication Critical patent/SE502276C2/sv
Priority to NO19962960A priority patent/NO314870B1/no
Priority to FI962918A priority patent/FI962918A/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Burglar Alarm Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Telephonic Communication Services (AREA)
SE9400185A 1994-01-21 1994-01-21 Förfarande och anordning för generering av en ringsignal SE502276C2 (sv)

Priority Applications (15)

Application Number Priority Date Filing Date Title
SE9400185A SE502276C2 (sv) 1994-01-21 1994-01-21 Förfarande och anordning för generering av en ringsignal
JP51950795A JP3457674B2 (ja) 1994-01-21 1995-01-19 呼出信号を発生させる方法と装置
CA002179387A CA2179387A1 (en) 1994-01-21 1995-01-19 A method and an arrangement for generating a ringing signal
BR9506450A BR9506450A (pt) 1994-01-21 1995-01-19 Processo e dispositivo para geração de um sinal de toque de chamada por meio de um circuito de interface de linha de assinante
MX9602380A MX9602380A (es) 1994-01-21 1995-01-19 Un metodo y un dispositivo para generar una señal de llamada.
CN95191172.4A CN1083205C (zh) 1994-01-21 1995-01-19 产生振铃信号的一种方法和一种装置
KR1019960703637A KR100265481B1 (ko) 1994-01-21 1995-01-19 호출신호 발생방법 및 발생장치(a method and arrangement for generating a ringing signal)
AT95907185T ATE230537T1 (de) 1994-01-21 1995-01-19 Verfahren und anordnung zur erzeugung eines rufsignals
PCT/SE1995/000047 WO1995020290A1 (en) 1994-01-21 1995-01-19 A method and an arrangement for generating a ringing signal
DE69529275T DE69529275T2 (de) 1994-01-21 1995-01-19 Verfahren und anordnung zur erzeugung eines rufsignals
EP95907185A EP0740881B1 (de) 1994-01-21 1995-01-19 Verfahren und anordnung zur erzeugung eines rufsignals
TW084100489A TW255085B (de) 1994-01-21 1995-01-20
US08/375,687 US5553132A (en) 1994-01-21 1995-01-20 Method and an arrangement for generating a ringing signal
NO19962960A NO314870B1 (no) 1994-01-21 1996-07-15 Fremgangsmåte og anordning for generering av et ringesignal
FI962918A FI962918A (fi) 1994-01-21 1996-07-19 Menetelmä ja järjestely soittosignaalin kehittämiseksi

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9400185A SE502276C2 (sv) 1994-01-21 1994-01-21 Förfarande och anordning för generering av en ringsignal

Publications (3)

Publication Number Publication Date
SE9400185D0 SE9400185D0 (sv) 1994-01-21
SE9400185L SE9400185L (sv) 1995-07-22
SE502276C2 true SE502276C2 (sv) 1995-09-25

Family

ID=20392646

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9400185A SE502276C2 (sv) 1994-01-21 1994-01-21 Förfarande och anordning för generering av en ringsignal

Country Status (15)

Country Link
US (1) US5553132A (de)
EP (1) EP0740881B1 (de)
JP (1) JP3457674B2 (de)
KR (1) KR100265481B1 (de)
CN (1) CN1083205C (de)
AT (1) ATE230537T1 (de)
BR (1) BR9506450A (de)
CA (1) CA2179387A1 (de)
DE (1) DE69529275T2 (de)
FI (1) FI962918A (de)
MX (1) MX9602380A (de)
NO (1) NO314870B1 (de)
SE (1) SE502276C2 (de)
TW (1) TW255085B (de)
WO (1) WO1995020290A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6167135A (en) * 1995-12-01 2000-12-26 Telefonaktiebolaget Lm Ericsson Method and apparatus for generating a ringing signal
SE506296C2 (sv) * 1995-12-01 1997-12-01 Ericsson Telefon Ab L M Förfarande och anordning för alstrande av en ringsignal
CN1087546C (zh) * 1998-08-15 2002-07-10 深圳市安圣电气有限公司 小功率铃流发生器的次级信号切换电路
CN1063305C (zh) * 1998-08-15 2001-03-14 深圳市华为电气股份有限公司 中大功率铃流变换器的次级功率管驱动电路
CN1057183C (zh) * 1998-08-15 2000-10-04 深圳市华为电气股份有限公司 铃流发生器的缓起动与过流保护电路
US6282238B1 (en) 1999-05-28 2001-08-28 3Com Corporation Adapter card that selects between an ISDN interface and an analog modem interface

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3689700A (en) * 1970-09-21 1972-09-05 Lear Siegler Inc Subscriber loop extension unit
US3723662A (en) * 1971-12-09 1973-03-27 Gte Automatic Electric Lab Inc D.c. compensated subscriber interface transformer circuit for telephone system
IT1079588B (it) * 1977-02-14 1985-05-13 Sits Soc It Telecom Siemens Generatore di chiamata statico per sistemi di telecomunicazioni
NL8000859A (nl) * 1980-02-12 1981-09-01 Philips Nv Inrichting voor het toevoeren van een wekspanning aan een abonneelijn.
US4431868A (en) * 1981-07-09 1984-02-14 International Telephone And Telegraph Corporation Solid state telephone line interface circuit with ringing capability
SE453240B (sv) * 1986-05-06 1988-01-18 Ericsson Telefon Ab L M Anordning i ett telekommunikationssystem for att strommata en telefonapparat

Also Published As

Publication number Publication date
JP3457674B2 (ja) 2003-10-20
CN1083205C (zh) 2002-04-17
FI962918A0 (fi) 1996-07-19
CA2179387A1 (en) 1995-07-27
TW255085B (de) 1995-08-21
FI962918A (fi) 1996-07-19
KR100265481B1 (ko) 2000-09-15
US5553132A (en) 1996-09-03
EP0740881A1 (de) 1996-11-06
DE69529275T2 (de) 2003-08-28
NO314870B1 (no) 2003-06-02
BR9506450A (pt) 1997-09-02
ATE230537T1 (de) 2003-01-15
CN1138399A (zh) 1996-12-18
NO962960L (no) 1996-07-15
DE69529275D1 (de) 2003-02-06
MX9602380A (es) 1997-04-30
NO962960D0 (no) 1996-07-15
SE9400185L (sv) 1995-07-22
SE9400185D0 (sv) 1994-01-21
WO1995020290A1 (en) 1995-07-27
EP0740881B1 (de) 2003-01-02
JPH09508244A (ja) 1997-08-19

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Legal Events

Date Code Title Description
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