BR7404032D0 - Metodo comutador de multiplex de frequencia - Google Patents
Metodo comutador de multiplex de frequenciaInfo
- Publication number
- BR7404032D0 BR7404032D0 BR4032/74A BR403274A BR7404032D0 BR 7404032 D0 BR7404032 D0 BR 7404032D0 BR 4032/74 A BR4032/74 A BR 4032/74A BR 403274 A BR403274 A BR 403274A BR 7404032 D0 BR7404032 D0 BR 7404032D0
- Authority
- BR
- Brazil
- Prior art keywords
- switch method
- frequency multiplex
- multiplex switch
- frequency
- switch
- Prior art date
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)
- Telephonic Communication Services (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (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 (pt) | 1973-05-22 | 1973-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR7404032D0 true BR7404032D0 (pt) | 1974-12-03 |
Family
ID=9119708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR4032/74A BR7404032D0 (pt) | 1973-05-22 | 1974-05-17 | Metodo comutador de multiplex de frequencia |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3866178A (pt) |
| JP (1) | JPS547523B2 (pt) |
| BE (1) | BE815322R (pt) |
| BR (1) | BR7404032D0 (pt) |
| CA (1) | CA1035452A (pt) |
| DE (1) | DE2422992A1 (pt) |
| ES (1) | ES426502A1 (pt) |
| FR (1) | FR2231172B1 (pt) |
| GB (1) | GB1433969A (pt) |
| IT (1) | IT1012435B (pt) |
| NL (1) | NL7406789A (pt) |
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 BE BE2053631A patent/BE815322R/xx active
- 1974-05-21 CA CA200,353A patent/CA1035452A/en not_active Expired
- 1974-05-21 ES ES426502A patent/ES426502A1/es not_active Expired
- 1974-05-21 GB GB2254674A patent/GB1433969A/en not_active Expired
- 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 |
|---|---|
| AU6901574A (en) | 1975-11-20 |
| CA1035452A (en) | 1978-07-25 |
| GB1433969A (en) | 1976-04-28 |
| NL7406789A (pt) | 1974-11-26 |
| ES426502A1 (es) | 1976-09-01 |
| JPS547523B2 (pt) | 1979-04-07 |
| BE815322R (fr) | 1974-11-21 |
| US3866178A (en) | 1975-02-11 |
| JPS50132804A (pt) | 1975-10-21 |
| IT1012435B (it) | 1977-03-10 |
| DE2422992A1 (de) | 1974-12-12 |
| FR2231172B1 (pt) | 1977-02-11 |
| FR2231172A1 (pt) | 1974-12-20 |
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