ATA776172A - CIRCUIT ARRANGEMENT FOR A TELEPHONE SUPPLIED FROM THE SUBSCRIBER LINE - Google Patents

CIRCUIT ARRANGEMENT FOR A TELEPHONE SUPPLIED FROM THE SUBSCRIBER LINE

Info

Publication number
ATA776172A
ATA776172A AT776172A AT776172A ATA776172A AT A776172 A ATA776172 A AT A776172A AT 776172 A AT776172 A AT 776172A AT 776172 A AT776172 A AT 776172A AT A776172 A ATA776172 A AT A776172A
Authority
AT
Austria
Prior art keywords
circuit arrangement
subscriber line
telephone
telephone supplied
supplied
Prior art date
Application number
AT776172A
Other languages
German (de)
Other versions
AT336691B (en
Original Assignee
Itt Austria
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 Itt Austria filed Critical Itt Austria
Publication of ATA776172A publication Critical patent/ATA776172A/en
Application granted granted Critical
Publication of AT336691B publication Critical patent/AT336691B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/08Current supply arrangements for telephone systems with current supply sources at the substations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/26Devices for calling a subscriber
    • H04M1/30Devices which can set up and transmit only one digit at a time
    • H04M1/31Devices 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
    • H04M1/312Devices 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)
  • Relay Circuits (AREA)
  • Interface Circuits In Exchanges (AREA)
AT776172A 1971-09-13 1972-09-08 CIRCUIT ARRANGEMENT FOR A TELEPHONE SUPPLIED FROM THE SUBSCRIBER LINE AT336691B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4255071 1971-09-13

Publications (2)

Publication Number Publication Date
ATA776172A true ATA776172A (en) 1976-09-15
AT336691B AT336691B (en) 1977-05-25

Family

ID=10424913

Family Applications (1)

Application Number Title Priority Date Filing Date
AT776172A AT336691B (en) 1971-09-13 1972-09-08 CIRCUIT ARRANGEMENT FOR A TELEPHONE SUPPLIED FROM THE SUBSCRIBER LINE

Country Status (10)

Country Link
AR (1) AR193433A1 (en)
AT (1) AT336691B (en)
AU (1) AU4603872A (en)
BE (1) BE788732A (en)
CH (1) CH556623A (en)
DE (1) DE2243994A1 (en)
FR (1) FR2153982A5 (en)
GB (1) GB1318858A (en)
IT (1) IT967355B (en)
ZA (1) ZA724726B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2238225A1 (en) * 1972-08-03 1974-02-14 Itt Ind Gmbh Deutsche OPERATING WIRING OF A TELEPHONE SET
GB1394148A (en) * 1972-09-11 1975-05-14 Int Standard Electric Corp Push-button telphone subset
DE3340396A1 (en) * 1983-11-09 1985-05-15 Hagenuk GmbH, 2300 Kiel CIRCUIT ARRANGEMENT FOR A CALL SIGNAL GENERATOR

Also Published As

Publication number Publication date
CH556623A (en) 1974-11-29
IT967355B (en) 1974-02-28
DE2243994A1 (en) 1973-03-22
GB1318858A (en) 1973-05-31
BE788732A (en) 1973-03-13
AU4603872A (en) 1974-03-07
ZA724726B (en) 1973-03-28
AT336691B (en) 1977-05-25
FR2153982A5 (en) 1973-05-04
AR193433A1 (en) 1973-04-23

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Legal Events

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