AT376089B - CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL - Google Patents

CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL

Info

Publication number
AT376089B
AT376089B AT376089DA AT376089B AT 376089 B AT376089 B AT 376089B AT 376089D A AT376089D A AT 376089DA AT 376089 B AT376089 B AT 376089B
Authority
AT
Austria
Prior art keywords
telecommunication
transmissions
circuit
giving control
especially telephone
Prior art date
Application number
Other languages
German (de)
Inventor
Armin Wurmitzer
Original Assignee
Siemens Ag Oesterreich
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 Oesterreich filed Critical Siemens Ag Oesterreich
Application granted granted Critical
Publication of AT376089B publication Critical patent/AT376089B/en

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)
  • Devices For Supply Of Signal Current (AREA)
AT376089D 1978-09-20 1978-09-20 CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL AT376089B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT677778A ATA677778A (en) 1978-09-20 1978-09-20 CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL

Publications (1)

Publication Number Publication Date
AT376089B true AT376089B (en) 1984-10-10

Family

ID=3589656

Family Applications (2)

Application Number Title Priority Date Filing Date
AT677778A ATA677778A (en) 1978-09-20 1978-09-20 CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL
AT376089D AT376089B (en) 1978-09-20 1978-09-20 CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT677778A ATA677778A (en) 1978-09-20 1978-09-20 CIRCUIT FOR TELECOMMUNICATION, ESPECIALLY TELEPHONE PARTICIPANTS, AND TRANSMISSIONS WITH IMPULSE GIVING CONTROL

Country Status (2)

Country Link
AT (2) ATA677778A (en)
DE (1) DE2917867A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1136783A (en) 1980-09-23 1982-11-30 Guy J. Chaput Telephone circuit
FR2520569B1 (en) * 1982-01-27 1986-08-14 Anep ELECTRONIC TELEPHONE KEYBOARD FOR REPLACING A DIAL OF AN EXISTING STATION
DE3544394A1 (en) * 1985-12-16 1987-06-19 Philips Patentverwaltung Circuit arrangement for polarity-independent dial pulse generation in a subscriber device
JPH02503254A (en) * 1987-04-09 1990-10-04 アルカテル・エヌ・ブイ telephone circuit equipment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1347929A (en) * 1972-02-17 1974-02-27 Standard Telephones Cables Ltd Telephone subscribers instruments
DE2216099A1 (en) * 1972-04-01 1973-10-04 Telefonbau & Normalzeit Gmbh CIRCUIT ARRANGEMENT FOR ELECTRONIC DIAL CHARACTERISTICS INTO REMOTE SIGNALING SYSTEMS
CH544461A (en) * 1972-06-29 1973-11-15 Autophon Ag Telephone subscriber station for generating series of pulses preselected using a keyboard
DE2411377C3 (en) * 1974-03-09 1980-04-30 Deutsche Itt Industries Gmbh, 7800 Freiburg Circuit arrangement for a telephone with a keypad

Also Published As

Publication number Publication date
DE2917867C2 (en) 1988-04-07
ATA677778A (en) 1984-02-15
DE2917867A1 (en) 1980-04-03

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee