GB2149619A - A circuit arrangement for a ringing signal generator - Google Patents

A circuit arrangement for a ringing signal generator Download PDF

Info

Publication number
GB2149619A
GB2149619A GB08427452A GB8427452A GB2149619A GB 2149619 A GB2149619 A GB 2149619A GB 08427452 A GB08427452 A GB 08427452A GB 8427452 A GB8427452 A GB 8427452A GB 2149619 A GB2149619 A GB 2149619A
Authority
GB
United Kingdom
Prior art keywords
voltage
line
ringing
circuit arrangement
capacitor
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
GB08427452A
Other languages
English (en)
Other versions
GB8427452D0 (en
Inventor
Herbert Schonke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hagenuk Vorm Neufeldt and Kuhnke GmbH
Hagenuk Telecom GmbH
Original Assignee
Hagenuk Vorm Neufeldt and Kuhnke GmbH
Hagenuk Telecom GmbH
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 Hagenuk Vorm Neufeldt and Kuhnke GmbH, Hagenuk Telecom GmbH filed Critical Hagenuk Vorm Neufeldt and Kuhnke GmbH
Publication of GB8427452D0 publication Critical patent/GB8427452D0/en
Publication of GB2149619A publication Critical patent/GB2149619A/en
Withdrawn legal-status Critical Current

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
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB08427452A 1983-11-09 1984-10-30 A circuit arrangement for a ringing signal generator Withdrawn GB2149619A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833340396 DE3340396C2 (de) 1983-11-09 1983-11-09 Schaltungsanordnung für einen Rufsignalgenerator

Publications (2)

Publication Number Publication Date
GB8427452D0 GB8427452D0 (en) 1984-12-05
GB2149619A true GB2149619A (en) 1985-06-12

Family

ID=6213773

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08427452A Withdrawn GB2149619A (en) 1983-11-09 1984-10-30 A circuit arrangement for a ringing signal generator

Country Status (4)

Country Link
DE (1) DE3340396C2 (el)
FR (1) FR2554660A1 (el)
GB (1) GB2149619A (el)
NL (1) NL8403168A (el)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3632746C2 (de) * 1986-09-26 1995-04-13 Kommunikations Elektronik Schaltungsanordnung zur Erzeugung einer Wechselspannung
TW263637B (el) * 1991-10-04 1995-11-21 At & T Corp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE788732A (fr) * 1971-09-13 1973-03-13 Int Standard Electric Corp Poste telephonique a clavier
IT1083388B (it) * 1977-06-20 1985-05-21 Cselt Centro Studi Lab Telecom Suoneria elettronica per apparecchi telefonici
JPS5852649A (ja) * 1981-09-24 1983-03-28 Fuji Electric Co Ltd 電子写真用感光体
DE3313776A1 (de) * 1983-04-13 1984-10-18 Elmeg Elektro-Mechanik Gmbh, 3150 Peine Fernsprechnebenstellenanlage

Also Published As

Publication number Publication date
NL8403168A (nl) 1985-06-03
DE3340396A1 (de) 1985-05-15
DE3340396C2 (de) 1987-05-07
GB8427452D0 (en) 1984-12-05
FR2554660A1 (fr) 1985-05-10

Similar Documents

Publication Publication Date Title
EP0375250B1 (en) Electronic ringing signal generator
EP0351009A2 (en) Telephone line loop current regulator
US3772470A (en) Threshold circuit for tone-ringer
US4367376A (en) Electronic telephone ringer including anti-bell tap provisions
GB2149619A (en) A circuit arrangement for a ringing signal generator
US3683118A (en) Interruptor for ringing signals from automatic telephone exchanges
US3892929A (en) Fault detector and current limiter
US4390753A (en) Line interruption arrangement
US3941941A (en) Relayless switching circuit for application of ringing signals
US3165591A (en) Signalling circuits
CA1038981A (en) Interrupter for key telephone systems
EP0860097B1 (en) Circuit arrangement
US3132211A (en) Dial light for telephone substation set
JPH0241228B2 (el)
US4140884A (en) Electronic tone ringer
JP2511404B2 (ja) 電子化電話機
US4158752A (en) Carrier subscriber telephone station terminal loop current booster
EP0026540A1 (en) Voltage stabiliser suitable for use in a telephone set
US4380688A (en) Telephone ringing range extender
US4152546A (en) Ringer power generator circuit for carrier subscriber station terminal
SU1075441A1 (ru) Устройство формировани и передачи вызывных сигналов по абонентским лини м
US3109994A (en) Multivibrator and amplifier powered by pulsating d. c.
SU684768A2 (ru) Устройство контрол на пробой или залипание коммутационных элементов управлени матричными соединенител ми
JP3001786B2 (ja) 電話回線インタフェース回路
KR820001698B1 (ko) 톤 링거 회로

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)