IT1019140B - Impianto di commutazione telefonica - Google Patents

Impianto di commutazione telefonica

Info

Publication number
IT1019140B
IT1019140B IT52779/74A IT5277974A IT1019140B IT 1019140 B IT1019140 B IT 1019140B IT 52779/74 A IT52779/74 A IT 52779/74A IT 5277974 A IT5277974 A IT 5277974A IT 1019140 B IT1019140 B IT 1019140B
Authority
IT
Italy
Prior art keywords
switching system
telephone switching
telephone
switching
Prior art date
Application number
IT52779/74A
Other languages
English (en)
Original Assignee
Telefonbau & Normalzeit Gmbh
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
Priority claimed from DE19732343498 external-priority patent/DE2343498C3/de
Application filed by Telefonbau & Normalzeit Gmbh filed Critical Telefonbau & Normalzeit Gmbh
Application granted granted Critical
Publication of IT1019140B publication Critical patent/IT1019140B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
IT52779/74A 1973-08-29 1974-08-28 Impianto di commutazione telefonica IT1019140B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732343498 DE2343498C3 (de) 1973-08-29 Verfahren zum Verbindungsaufbau und Fernsprechvermittlungsanlage zur Durchführung dieses Verfahrens

Publications (1)

Publication Number Publication Date
IT1019140B true IT1019140B (it) 1977-11-10

Family

ID=5891017

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52779/74A IT1019140B (it) 1973-08-29 1974-08-28 Impianto di commutazione telefonica

Country Status (7)

Country Link
US (1) US3996424A (it)
AT (1) AT336694B (it)
BE (1) BE819036A (it)
CH (1) CH580372A5 (it)
DK (1) DK456274A (it)
IT (1) IT1019140B (it)
NL (1) NL7409520A (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075430A (en) * 1976-05-14 1978-02-21 International Telephone And Telegraph Corporation Line signalling over common highway for telecommunications system
GB1595301A (en) * 1976-12-10 1981-08-12 Plessey Canada Electronic telephone system
US4135063A (en) * 1977-08-12 1979-01-16 San/Bar Corporation Modular, expandable intercom system for a multiple-station telephone subscriber installation
US4203011A (en) * 1978-01-17 1980-05-13 Tie/Communications, Inc. Computer controlled key telephone station set
NZ193563A (en) * 1979-05-04 1983-07-15 Gen Electric Co Ltd Pabx adaptation for two wire extension
US4286118A (en) * 1979-07-02 1981-08-25 Solid State Systems, Inc. Data distribution system for private automatic branch exchange

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE318914B (it) * 1969-03-18 1969-12-22 Ericsson Telefon Ab L M
US3660611A (en) * 1970-06-05 1972-05-02 Bell Telephone Labor Inc Program controlled key telephone system for automatic selection of a prime line
US3701854A (en) * 1970-12-21 1972-10-31 Bell Telephone Labor Inc Key telephone system call signaling and station set data transfer arrangement
US3757050A (en) * 1971-04-21 1973-09-04 Nissan Motor Thin a definite time position multichannel transmission system using clock pulses each occurring wi
US3843845A (en) * 1972-09-11 1974-10-22 Northern Electric Co Electronic key telephone system

Also Published As

Publication number Publication date
AT336694B (de) 1977-05-25
ATA695174A (de) 1975-12-15
US3996424A (en) 1976-12-07
BE819036A (fr) 1974-12-16
CH580372A5 (it) 1976-09-30
DK456274A (it) 1975-04-21
DE2343498A1 (de) 1975-04-10
DE2343498B2 (de) 1975-10-16
NL7409520A (nl) 1975-03-04

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