IT1012435B - Impianto di commutazione multiplex a divisione di frequenza - Google Patents

Impianto di commutazione multiplex a divisione di frequenza

Info

Publication number
IT1012435B
IT1012435B IT22806/74A IT2280674A IT1012435B IT 1012435 B IT1012435 B IT 1012435B IT 22806/74 A IT22806/74 A IT 22806/74A IT 2280674 A IT2280674 A IT 2280674A IT 1012435 B IT1012435 B IT 1012435B
Authority
IT
Italy
Prior art keywords
frequency division
switching system
division multiplex
multiplex switching
frequency
Prior art date
Application number
IT22806/74A
Other languages
English (en)
Italian (it)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of IT1012435B publication Critical patent/IT1012435B/it

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)
IT22806/74A 1973-05-22 1974-05-16 Impianto di commutazione multiplex a divisione di frequenza IT1012435B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT1012435B true IT1012435B (it) 1977-03-10

Family

ID=9119708

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22806/74A IT1012435B (it) 1973-05-22 1974-05-16 Impianto di commutazione multiplex a divisione di frequenza

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
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
FR2231172B1 (Direct) 1977-02-11
AU6901574A (en) 1975-11-20
DE2422992A1 (de) 1974-12-12

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