IT1009345B - Circuito ibrido per comunicazioni telefoniche collettive a divisione di tempo - Google Patents

Circuito ibrido per comunicazioni telefoniche collettive a divisione di tempo

Info

Publication number
IT1009345B
IT1009345B IT6786574A IT6786574A IT1009345B IT 1009345 B IT1009345 B IT 1009345B IT 6786574 A IT6786574 A IT 6786574A IT 6786574 A IT6786574 A IT 6786574A IT 1009345 B IT1009345 B IT 1009345B
Authority
IT
Italy
Prior art keywords
time division
hybrid circuit
telephone communications
collective telephone
collective
Prior art date
Application number
IT6786574A
Other languages
English (en)
Original Assignee
Western Electric Co
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 US00343825A external-priority patent/US3828146A/en
Priority claimed from US00343824A external-priority patent/US3835259A/en
Application filed by Western Electric Co filed Critical Western Electric Co
Application granted granted Critical
Publication of IT1009345B publication Critical patent/IT1009345B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
IT6786574A 1973-03-22 1974-03-20 Circuito ibrido per comunicazioni telefoniche collettive a divisione di tempo IT1009345B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00343825A US3828146A (en) 1973-03-22 1973-03-22 Time division conference hybrid circuit
US00343824A US3835259A (en) 1973-03-22 1973-03-22 Time division conference hybrid circuit

Publications (1)

Publication Number Publication Date
IT1009345B true IT1009345B (it) 1976-12-10

Family

ID=26993649

Family Applications (1)

Application Number Title Priority Date Filing Date
IT6786574A IT1009345B (it) 1973-03-22 1974-03-20 Circuito ibrido per comunicazioni telefoniche collettive a divisione di tempo

Country Status (6)

Country Link
JP (1) JPS541401B2 (it)
FR (1) FR2222820B1 (it)
GB (1) GB1447693A (it)
IT (1) IT1009345B (it)
NL (1) NL176419C (it)
SE (1) SE396685B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI79769C (fi) * 1988-06-10 1991-01-14 Heikki Malkki Snabbtelefonsystem samt foerfarande foer uppkoppling i ett snabbtelefonsystem.
JPH02218290A (ja) * 1989-02-17 1990-08-30 Nec Corp ディジタル交換装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789152A (en) * 1972-12-11 1974-01-29 Bell Telephone Labor Inc Data format converter
US3789154A (en) * 1972-12-11 1974-01-29 Bell Telephone Labor Inc Switchhook status signaling arrangement
US3787631A (en) * 1972-12-11 1974-01-22 Bell Telephone Labor Inc Time slot number compensating arrangement

Also Published As

Publication number Publication date
NL7403591A (it) 1974-09-24
NL176419B (nl) 1984-11-01
DE2413073A1 (de) 1974-10-03
DE2413073B2 (de) 1976-09-16
SE396685B (sv) 1977-09-26
JPS49129410A (it) 1974-12-11
GB1447693A (en) 1976-08-25
NL176419C (nl) 1985-04-01
FR2222820A1 (it) 1974-10-18
FR2222820B1 (it) 1979-05-25
JPS541401B2 (it) 1979-01-24

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