IT1020712B - Cselt centro studi e laboratori telecomunicazioni spa stadio di commutazione elettronica ad alta velocita per canali numeri ci - Google Patents
Cselt centro studi e laboratori telecomunicazioni spa stadio di commutazione elettronica ad alta velocita per canali numeri ciInfo
- Publication number
- IT1020712B IT1020712B IT69678/74A IT6967874A IT1020712B IT 1020712 B IT1020712 B IT 1020712B IT 69678/74 A IT69678/74 A IT 69678/74A IT 6967874 A IT6967874 A IT 6967874A IT 1020712 B IT1020712 B IT 1020712B
- Authority
- IT
- Italy
- Prior art keywords
- high speed
- electronic switching
- switching stage
- speed electronic
- channels numbers
- Prior art date
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT69678/74A IT1020712B (it) | 1974-09-04 | 1974-09-04 | Cselt centro studi e laboratori telecomunicazioni spa stadio di commutazione elettronica ad alta velocita per canali numeri ci |
| NLAANVRAGE7509911,A NL173906C (nl) | 1974-09-04 | 1975-08-21 | Telefooncentrale voor impulscodemodulatieoverdracht. |
| DE2538912A DE2538912C3 (de) | 1974-09-04 | 1975-09-02 | Rechnergesteuerte Fernsprechzentrale |
| US05/610,377 US4009349A (en) | 1974-09-04 | 1975-09-04 | Switching station for PCM telecommunication system |
| GB36402/75A GB1523653A (en) | 1974-09-04 | 1975-09-04 | Electronic switching systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT69678/74A IT1020712B (it) | 1974-09-04 | 1974-09-04 | Cselt centro studi e laboratori telecomunicazioni spa stadio di commutazione elettronica ad alta velocita per canali numeri ci |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1020712B true IT1020712B (it) | 1977-12-30 |
Family
ID=11312608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT69678/74A IT1020712B (it) | 1974-09-04 | 1974-09-04 | Cselt centro studi e laboratori telecomunicazioni spa stadio di commutazione elettronica ad alta velocita per canali numeri ci |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4009349A (it) |
| DE (1) | DE2538912C3 (it) |
| GB (1) | GB1523653A (it) |
| IT (1) | IT1020712B (it) |
| NL (1) | NL173906C (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE427609B (sv) * | 1976-02-17 | 1983-04-18 | Thomson Csf | Symmetrisk tidsmultiplexmatris och veljarnet innehallande en dylik matris |
| US4143241A (en) * | 1977-06-10 | 1979-03-06 | Bell Telephone Laboratories, Incorporated | Small digital time division switching arrangement |
| IT1128762B (it) | 1980-02-20 | 1986-06-04 | Cselt Centro Studi Lab Telecom | Circuito per diagnosi di reti di connessione pcm |
| JPS58137391A (ja) * | 1982-02-10 | 1983-08-15 | Fujitsu Ltd | 時間スイツチ回路 |
| US4570258A (en) * | 1984-02-13 | 1986-02-11 | Wang Laboratories, Inc. | Exchange switch |
| SE461310B (sv) * | 1988-07-12 | 1990-01-29 | Ellemtel Utvecklings Ab | Saett och anordning foer att i en digital tidsvaeljare genomkoppla en bredbandsfoerbindelse |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3263030A (en) * | 1961-09-26 | 1966-07-26 | Rca Corp | Digital crosspoint switch |
| US3458659A (en) * | 1965-09-15 | 1969-07-29 | New North Electric Co | Nonblocking pulse code modulation system having storage and gating means with common control |
| US3637941A (en) * | 1970-07-13 | 1972-01-25 | Gte Automatic Electric Lab Inc | Integrated switching and transmission network for pulse code modulated signals |
| DE2108745C2 (de) * | 1971-02-24 | 1980-12-18 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung zum Abschluß von Vierdrahtverbindungsleitungen mit nach dem Zeitmultiplexprinzip mit Pulscodemodulation gebildeten Nachrichtenkanälen an Vermittlungsstellen mit speicherprogrammierten Zentralsteuerwerken für Fernmelde-, insbesondere Fernsprechanlagen |
-
1974
- 1974-09-04 IT IT69678/74A patent/IT1020712B/it active
-
1975
- 1975-08-21 NL NLAANVRAGE7509911,A patent/NL173906C/xx not_active IP Right Cessation
- 1975-09-02 DE DE2538912A patent/DE2538912C3/de not_active Expired
- 1975-09-04 US US05/610,377 patent/US4009349A/en not_active Expired - Lifetime
- 1975-09-04 GB GB36402/75A patent/GB1523653A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL173906B (nl) | 1983-10-17 |
| DE2538912A1 (de) | 1976-03-25 |
| GB1523653A (en) | 1978-09-06 |
| NL7509911A (nl) | 1976-03-08 |
| DE2538912B2 (de) | 1979-04-19 |
| NL173906C (nl) | 1984-03-16 |
| US4009349A (en) | 1977-02-22 |
| DE2538912C3 (de) | 1979-12-20 |
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