JPS49129410A - - Google Patents

Info

Publication number
JPS49129410A
JPS49129410A JP3164674A JP3164674A JPS49129410A JP S49129410 A JPS49129410 A JP S49129410A JP 3164674 A JP3164674 A JP 3164674A JP 3164674 A JP3164674 A JP 3164674A JP S49129410 A JPS49129410 A JP S49129410A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Granted
Application number
JP3164674A
Other versions
JPS541401B2 (ja
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 filed Critical
Publication of JPS49129410A publication Critical patent/JPS49129410A/ja
Publication of JPS541401B2 publication Critical patent/JPS541401B2/ja
Expired legal-status Critical Current

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)
JP3164674A 1973-03-22 1974-03-22 Expired JPS541401B2 (ja)

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 (2)

Publication Number Publication Date
JPS49129410A true JPS49129410A (ja) 1974-12-11
JPS541401B2 JPS541401B2 (ja) 1979-01-24

Family

ID=26993649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3164674A Expired JPS541401B2 (ja) 1973-03-22 1974-03-22

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02218290A (ja) * 1989-02-17 1990-08-30 Nec Corp ディジタル交換装置

Families Citing this family (1)

* 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.

Family Cites Families (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02218290A (ja) * 1989-02-17 1990-08-30 Nec Corp ディジタル交換装置

Also Published As

Publication number Publication date
JPS541401B2 (ja) 1979-01-24
DE2413073B2 (de) 1976-09-16
FR2222820A1 (ja) 1974-10-18
NL7403591A (ja) 1974-09-24
GB1447693A (en) 1976-08-25
DE2413073A1 (de) 1974-10-03
NL176419B (nl) 1984-11-01
NL176419C (nl) 1985-04-01
FR2222820B1 (ja) 1979-05-25
IT1009345B (it) 1976-12-10
SE396685B (sv) 1977-09-26

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