FR2231172B1 - - Google Patents

Info

Publication number
FR2231172B1
FR2231172B1 FR7318456A FR7318456A FR2231172B1 FR 2231172 B1 FR2231172 B1 FR 2231172B1 FR 7318456 A FR7318456 A FR 7318456A FR 7318456 A FR7318456 A FR 7318456A FR 2231172 B1 FR2231172 B1 FR 2231172B1
Authority
FR
France
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.)
Expired
Application number
FR7318456A
Other languages
French (fr)
Other versions
FR2231172A1 (Direct
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Priority to FR7318456A priority Critical patent/FR2231172B1/fr
Priority to US465767A priority patent/US3866178A/en
Priority to DE2422992A priority patent/DE2422992A1/de
Priority to AU69015/74A priority patent/AU488874B2/en
Priority to IT22806/74A priority patent/IT1012435B/it
Priority to BR4032/74A priority patent/BR7404032D0/pt
Priority to BE2053631A priority patent/BE815322R/xx
Priority to GB2254674A priority patent/GB1433969A/en
Priority to ES426502A priority patent/ES426502A1/es
Priority to NL7406789A priority patent/NL7406789A/xx
Priority to CA200,353A priority patent/CA1035452A/en
Priority to JP5675874A priority patent/JPS547523B2/ja
Publication of FR2231172A1 publication Critical patent/FR2231172A1/fr
Application granted granted Critical
Publication of FR2231172B1 publication Critical patent/FR2231172B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/02—Selecting arrangements for multiplex systems for frequency-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
FR7318456A 1973-05-22 1973-05-22 Expired FR2231172B1 (Direct)

Priority Applications (12)

Application Number Priority Date Filing Date Title
FR7318456A FR2231172B1 (Direct) 1973-05-22 1973-05-22
US465767A US3866178A (en) 1973-05-22 1974-05-01 Frequency division multiplex switching system
DE2422992A DE2422992A1 (de) 1973-05-22 1974-05-13 Fernmelde-, insbesondere fernsprechvermittlungsanlage mit frequenzvielfachbetrieb
AU69015/74A AU488874B2 (en) 1973-05-22 1974-05-16 Frequency multiplex switching system
IT22806/74A IT1012435B (it) 1973-05-22 1974-05-16 Impianto di commutazione multiplex a divisione di frequenza
BR4032/74A BR7404032D0 (pt) 1973-05-22 1974-05-17 Metodo comutador de multiplex de frequencia
BE2053631A BE815322R (fr) 1973-05-22 1974-05-21 Systeme de commutation
GB2254674A GB1433969A (en) 1973-05-22 1974-05-21 Frequency multiplex switching system
ES426502A ES426502A1 (es) 1973-05-22 1974-05-21 Un sistema de conmutacion por division de frecuencia.
NL7406789A NL7406789A (Direct) 1973-05-22 1974-05-21
CA200,353A CA1035452A (en) 1973-05-22 1974-05-21 Frequency division multiplex switching system
JP5675874A JPS547523B2 (Direct) 1973-05-22 1974-05-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7318456A FR2231172B1 (Direct) 1973-05-22 1973-05-22

Publications (2)

Publication Number Publication Date
FR2231172A1 FR2231172A1 (Direct) 1974-12-20
FR2231172B1 true FR2231172B1 (Direct) 1977-02-11

Family

ID=9119708

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7318456A Expired FR2231172B1 (Direct) 1973-05-22 1973-05-22

Country Status (11)

Country Link
US (1) US3866178A (Direct)
JP (1) JPS547523B2 (Direct)
BE (1) BE815322R (Direct)
BR (1) BR7404032D0 (Direct)
CA (1) CA1035452A (Direct)
DE (1) DE2422992A1 (Direct)
ES (1) ES426502A1 (Direct)
FR (1) FR2231172B1 (Direct)
GB (1) GB1433969A (Direct)
IT (1) IT1012435B (Direct)
NL (1) NL7406789A (Direct)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016493A (en) * 1975-10-22 1977-04-05 General Electric Company Simplified land line and satellite communication switching system
SE7605253L (sv) * 1976-05-10 1977-11-11 Persson Paul Manfred System for att overfora information
US4191941A (en) * 1978-04-03 1980-03-04 Rca Corporation Switch matrix for data transfers
US4789980A (en) * 1986-08-18 1988-12-06 American Telephone & Telegraph Company, At&T Bell Laboratories Switching techniques for FDM communication systems

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480733A (en) * 1964-08-04 1969-11-25 Nippon Electric Co Frequency allocation system for common amplification of multifrequency carriers

Also Published As

Publication number Publication date
US3866178A (en) 1975-02-11
FR2231172A1 (Direct) 1974-12-20
NL7406789A (Direct) 1974-11-26
GB1433969A (en) 1976-04-28
JPS50132804A (Direct) 1975-10-21
IT1012435B (it) 1977-03-10
JPS547523B2 (Direct) 1979-04-07
ES426502A1 (es) 1976-09-01
CA1035452A (en) 1978-07-25
BE815322R (fr) 1974-11-21
BR7404032D0 (pt) 1974-12-03
AU6901574A (en) 1975-11-20
DE2422992A1 (de) 1974-12-12

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Legal Events

Date Code Title Description
ST Notification of lapse