CA1035452A - Systeme de commutation multiplex de division de frequences - Google Patents
Systeme de commutation multiplex de division de frequencesInfo
- Publication number
- CA1035452A CA1035452A CA200,353A CA200353A CA1035452A CA 1035452 A CA1035452 A CA 1035452A CA 200353 A CA200353 A CA 200353A CA 1035452 A CA1035452 A CA 1035452A
- Authority
- CA
- Canada
- Prior art keywords
- frequency division
- switching system
- division multiplex
- multiplex switching
- frequency
- Prior art date
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7318456A FR2231172B1 (fr) | 1973-05-22 | 1973-05-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1035452A true CA1035452A (fr) | 1978-07-25 |
Family
ID=9119708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA200,353A Expired CA1035452A (fr) | 1973-05-22 | 1974-05-21 | Systeme de commutation multiplex de division de frequences |
Country Status (11)
Country | Link |
---|---|
US (1) | US3866178A (fr) |
JP (1) | JPS547523B2 (fr) |
BE (1) | BE815322R (fr) |
BR (1) | BR7404032D0 (fr) |
CA (1) | CA1035452A (fr) |
DE (1) | DE2422992A1 (fr) |
ES (1) | ES426502A1 (fr) |
FR (1) | FR2231172B1 (fr) |
GB (1) | GB1433969A (fr) |
IT (1) | IT1012435B (fr) |
NL (1) | NL7406789A (fr) |
Families Citing this family (4)
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)
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 |
-
1973
- 1973-05-22 FR FR7318456A patent/FR2231172B1/fr not_active Expired
-
1974
- 1974-05-01 US US465767A patent/US3866178A/en not_active Expired - Lifetime
- 1974-05-13 DE DE2422992A patent/DE2422992A1/de not_active Withdrawn
- 1974-05-16 IT IT22806/74A patent/IT1012435B/it active
- 1974-05-17 BR BR4032/74A patent/BR7404032D0/pt unknown
- 1974-05-21 GB GB2254674A patent/GB1433969A/en not_active Expired
- 1974-05-21 ES ES426502A patent/ES426502A1/es not_active Expired
- 1974-05-21 CA CA200,353A patent/CA1035452A/fr not_active Expired
- 1974-05-21 BE BE2053631A patent/BE815322R/fr active
- 1974-05-21 NL NL7406789A patent/NL7406789A/xx not_active Application Discontinuation
- 1974-05-22 JP JP5675874A patent/JPS547523B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2231172B1 (fr) | 1977-02-11 |
NL7406789A (fr) | 1974-11-26 |
BE815322R (fr) | 1974-11-21 |
BR7404032D0 (pt) | 1974-12-03 |
JPS50132804A (fr) | 1975-10-21 |
IT1012435B (it) | 1977-03-10 |
DE2422992A1 (de) | 1974-12-12 |
FR2231172A1 (fr) | 1974-12-20 |
AU6901574A (en) | 1975-11-20 |
ES426502A1 (es) | 1976-09-01 |
US3866178A (en) | 1975-02-11 |
JPS547523B2 (fr) | 1979-04-07 |
GB1433969A (en) | 1976-04-28 |
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