JPS5528623B2 - - Google Patents

Info

Publication number
JPS5528623B2
JPS5528623B2 JP5990276A JP5990276A JPS5528623B2 JP S5528623 B2 JPS5528623 B2 JP S5528623B2 JP 5990276 A JP5990276 A JP 5990276A JP 5990276 A JP5990276 A JP 5990276A JP S5528623 B2 JPS5528623 B2 JP S5528623B2
Authority
JP
Japan
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.)
Expired
Application number
JP5990276A
Other versions
JPS51147103A (en
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 filed Critical
Publication of JPS51147103A publication Critical patent/JPS51147103A/ja
Publication of JPS5528623B2 publication Critical patent/JPS5528623B2/ja
Granted legal-status Critical Current

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)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
JP51059902A 1975-05-23 1976-05-24 Subscriber*s circuit with key dialling device energized via connection wire Granted JPS51147103A (en)

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 (2)

Publication Number Publication Date
JPS51147103A JPS51147103A (en) 1976-12-17
JPS5528623B2 true JPS5528623B2 (ja) 1980-07-29

Family

ID=5947294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51059902A Granted JPS51147103A (en) 1975-05-23 1976-05-24 Subscriber*s circuit with key dialling device energized via connection wire

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58213913A (ja) * 1982-06-04 1983-12-13 Sugiuragumi:Kk 土質改良工法

Families Citing this family (6)

* 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 (de) * 1978-04-14 1982-02-17 Siemens Aktiengesellschaft Schaltungsanordnung für über Anschlussleitungen gespeiste Teilnehmerstationen mit Wähleinrichtungen in Fernmelde-, insbesondere Fernsprechanlagen
EP0009106A1 (de) * 1978-09-27 1980-04-02 Ascom Autelca Ag Schaltungsanordnung zur Erregung eines Elektromagneten in einem Münzfernsprecher
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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58213913A (ja) * 1982-06-04 1983-12-13 Sugiuragumi:Kk 土質改良工法

Also Published As

Publication number Publication date
FR2312144B1 (ja) 1978-05-19
DE2522957B2 (de) 1977-11-03
AT345350B (de) 1978-09-11
US4046971A (en) 1977-09-06
DE2522957C3 (de) 1978-06-15
GB1523370A (en) 1978-08-31
IT1060641B (it) 1982-08-20
CH604443A5 (ja) 1978-09-15
BE842103A (fr) 1976-11-22
DE2522957A1 (de) 1976-11-25
ATA336476A (de) 1978-01-15
FR2312144A1 (fr) 1976-12-17
JPS51147103A (en) 1976-12-17

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