FI61258C - Kopplingsanordning foer via sina anslutningsledningar matade abonnetstationer med pulsknappval vid telekommunikations- saerskilt telefonanlaeggningar - Google Patents

Kopplingsanordning foer via sina anslutningsledningar matade abonnetstationer med pulsknappval vid telekommunikations- saerskilt telefonanlaeggningar Download PDF

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Publication number
FI61258C
FI61258C FI761473A FI761473A FI61258C FI 61258 C FI61258 C FI 61258C FI 761473 A FI761473 A FI 761473A FI 761473 A FI761473 A FI 761473A FI 61258 C FI61258 C FI 61258C
Authority
FI
Finland
Prior art keywords
switch
capacitor
pulse
series
generating circuit
Prior art date
Application number
FI761473A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI61258B (fi
FI761473A (de
Inventor
Helmut 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 FI761473A publication Critical patent/FI761473A/fi
Application granted granted Critical
Publication of FI61258B publication Critical patent/FI61258B/fi
Publication of FI61258C publication Critical patent/FI61258C/fi

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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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Relay Circuits (AREA)
FI761473A 1975-05-27 1976-05-25 Kopplingsanordning foer via sina anslutningsledningar matade abonnetstationer med pulsknappval vid telekommunikations- saerskilt telefonanlaeggningar FI61258C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19752523478 DE2523478C3 (de) 1975-05-27 1975-05-27 Schaltungsanordnung für über ihre Anschlußleitungen gespeiste Teilnehmerstationen mitlmpulstasrwahl in Fernmelde-, insbesondere Fernsprechanlagen
DE2523478 1975-05-27

Publications (3)

Publication Number Publication Date
FI761473A FI761473A (de) 1976-11-28
FI61258B FI61258B (fi) 1982-02-26
FI61258C true FI61258C (fi) 1982-06-10

Family

ID=5947553

Family Applications (1)

Application Number Title Priority Date Filing Date
FI761473A FI61258C (fi) 1975-05-27 1976-05-25 Kopplingsanordning foer via sina anslutningsledningar matade abonnetstationer med pulsknappval vid telekommunikations- saerskilt telefonanlaeggningar

Country Status (3)

Country Link
DE (1) DE2523478C3 (de)
FI (1) FI61258C (de)
IT (1) IT1060643B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2722859C2 (de) * 1977-05-20 1985-06-20 Friedrich Merk-Telefonbau GmbH, 8000 München Schaltungsanordnung für Teilnehmerstationen in Fernmelde-, insbesondere Fernsprechanlagen mit einem tastengesteuerten Wählimpulsgeber

Also Published As

Publication number Publication date
DE2523478B2 (de) 1977-11-03
FI61258B (fi) 1982-02-26
IT1060643B (it) 1982-08-20
DE2523478A1 (de) 1976-12-02
DE2523478C3 (de) 1978-06-22
FI761473A (de) 1976-11-28

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT