CH607482A5 - - Google Patents

Info

Publication number
CH607482A5
CH607482A5 CH925376A CH925376A CH607482A5 CH 607482 A5 CH607482 A5 CH 607482A5 CH 925376 A CH925376 A CH 925376A CH 925376 A CH925376 A CH 925376A CH 607482 A5 CH607482 A5 CH 607482A5
Authority
CH
Switzerland
Application number
CH925376A
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 CH607482A5 publication Critical patent/CH607482A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
    • 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)
CH925376A 1975-09-19 1976-07-19 CH607482A5 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2541903A DE2541903C3 (de) 1975-09-19 1975-09-19 Schaltungsanordnung für über ihre AnschluBleitiuigen gespeiste Teilnehmerstationen mit Impulstastwahl in Fernmelde-, insbesondere Fernsprechanlagen

Publications (1)

Publication Number Publication Date
CH607482A5 true CH607482A5 (sv) 1978-12-29

Family

ID=5956942

Family Applications (1)

Application Number Title Priority Date Filing Date
CH925376A CH607482A5 (sv) 1975-09-19 1976-07-19

Country Status (11)

Country Link
US (1) US4081619A (sv)
JP (1) JPS5239304A (sv)
AT (1) AT347507B (sv)
BE (1) BE846337A (sv)
CH (1) CH607482A5 (sv)
DE (1) DE2541903C3 (sv)
FR (1) FR2325255A1 (sv)
GB (1) GB1542130A (sv)
IT (1) IT1071683B (sv)
SE (1) SE408364B (sv)
ZA (1) ZA765274B (sv)

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 (de) * 1978-04-14 1982-02-17 Siemens Aktiengesellschaft Schaltungsanordnung für über Anschlussleitungen gespeiste Teilnehmerstationen mit Wähleinrichtungen in Fernmelde-, insbesondere Fernsprechanlagen
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
FR2505586A1 (fr) * 1981-05-05 1982-11-12 Thomson Csf Mat Tel Poste telephonique a clavier
FR2508744A1 (fr) * 1981-06-26 1982-12-31 Thomson Csf Mat Tel Poste telephonique a clavier et a ecoute amplifiee
US4592046A (en) * 1983-03-13 1986-05-27 Iwasaki Tsushinki Kabushiki Kaisha Subscriber's circuit for time division switching system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE758187A (fr) * 1969-11-13 1971-04-29 Cit Alcatel Dispositif emetteur de signaux en particulier pour clavier de numerotation
DE2210852C2 (de) * 1972-03-07 1982-07-29 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zur Wählzeichenstromstoßgabe in Fernmeldeanlagen
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
ES417537A1 (es) * 1973-08-03 1976-03-01 Standard Electrica Sa Mejoras en los circuitos de llamada por pulsador para apa- ratos telefonicos.
GB1515503A (en) * 1974-01-15 1978-06-28 Gen Electric Co Ltd Electric impulse transmitters for telephone instruments
AR206122A1 (es) * 1974-08-01 1976-06-30 Cassella Farbwerke Mainkur Ag Compuestos derivados de n-aciloil - n' - alquil - alquilendiamina procedimientos para su produccion y tenido y composicion que los contiene

Also Published As

Publication number Publication date
IT1071683B (it) 1985-04-10
BE846337A (fr) 1977-03-17
FR2325255A1 (fr) 1977-04-15
DE2541903C3 (de) 1979-09-06
SE408364B (sv) 1979-06-05
ZA765274B (en) 1977-08-31
SE7610363L (sv) 1977-03-20
GB1542130A (en) 1979-03-14
FR2325255B1 (sv) 1978-12-22
AT347507B (de) 1978-12-27
JPS5414442B2 (sv) 1979-06-07
DE2541903B2 (de) 1979-01-11
DE2541903A1 (de) 1977-03-31
US4081619A (en) 1978-03-28
JPS5239304A (en) 1977-03-26
ATA599476A (de) 1978-05-15

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Legal Events

Date Code Title Description
PL Patent ceased