CH604443A5 - - Google Patents

Info

Publication number
CH604443A5
CH604443A5 CH600476A CH600476A CH604443A5 CH 604443 A5 CH604443 A5 CH 604443A5 CH 600476 A CH600476 A CH 600476A CH 600476 A CH600476 A CH 600476A CH 604443 A5 CH604443 A5 CH 604443A5
Authority
CH
Switzerland
Application number
CH600476A
Inventor
Helmut Dipl Ing Losehand
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH604443A5 publication Critical patent/CH604443A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
    • H04M1/312—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses pulses produced by electronic circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
CH600476A 1975-05-23 1976-05-13 CH604443A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2522957A DE2522957C3 (de) 1975-05-23 1975-05-23 Schaltungsanordnung für über ihre Anschlußleitungen gespeiste Teilnehmerstationen mit Impulstastwahl in Fernmelde-, insbesondere Fernsprechanlagen

Publications (1)

Publication Number Publication Date
CH604443A5 true CH604443A5 (fr) 1978-09-15

Family

ID=5947294

Family Applications (1)

Application Number Title Priority Date Filing Date
CH600476A CH604443A5 (fr) 1975-05-23 1976-05-13

Country Status (9)

Country Link
US (1) US4046971A (fr)
JP (1) JPS51147103A (fr)
AT (1) AT345350B (fr)
BE (1) BE842103A (fr)
CH (1) CH604443A5 (fr)
DE (1) DE2522957C3 (fr)
FR (1) FR2312144A1 (fr)
GB (1) GB1523370A (fr)
IT (1) IT1060641B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4167655A (en) * 1977-10-17 1979-09-11 United Networks Inc. Push button to rotary dial converter systems
EP0004901B1 (fr) * 1978-04-14 1982-02-17 Siemens Aktiengesellschaft Montage pour postes d'abonnés avec sélecteurs d'appel, alimentés par des lignes de raccordement, dans des installations de télécommunications, notamment de téléphonie
EP0009106A1 (fr) * 1978-09-27 1980-04-02 Ascom Autelca Ag Circuit pour l'excitation d'un électroaimant dans un téléphone à pièces de monnaie
US4286120A (en) * 1979-10-15 1981-08-25 Gte Automatic Electric Labs Inc. Current regulated pulse dialer circuit
US4306119A (en) * 1980-07-03 1981-12-15 Bell Telephone Laboratories, Incorporated Telephone outpulsing circuit
JPS58213913A (ja) * 1982-06-04 1983-12-13 Sugiuragumi:Kk 土質改良工法
FR2546351B1 (fr) * 1983-05-18 1989-02-24 Telecommunications Sa Circuit de ligne pour joncteur de reseau

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1395577A (en) * 1972-05-11 1975-05-29 Standard Telephones Cables Ltd Telephones
IT977993B (it) * 1973-01-03 1974-09-20 Sits Soc It Telecom Siemens Tastiera di selezione elettroni ca per apparecchi telefonici con emissione di impulsi decadici intercambiabile con il disco com binatore
US3956596A (en) * 1973-04-10 1976-05-11 The General Electric Company Limited Circuit arrangements in telephone apparatus
GB1480341A (en) * 1973-10-25 1977-07-20 Gen Electric Co Ltd Electric impulse transmitters for telephone instruments

Also Published As

Publication number Publication date
DE2522957B2 (de) 1977-11-03
JPS51147103A (en) 1976-12-17
GB1523370A (en) 1978-08-31
US4046971A (en) 1977-09-06
AT345350B (de) 1978-09-11
DE2522957C3 (de) 1978-06-15
DE2522957A1 (de) 1976-11-25
JPS5528623B2 (fr) 1980-07-29
IT1060641B (it) 1982-08-20
ATA336476A (de) 1978-01-15
FR2312144A1 (fr) 1976-12-17
FR2312144B1 (fr) 1978-05-19
BE842103A (fr) 1976-11-22

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Legal Events

Date Code Title Description
PL Patent ceased