IT1007089B - Disposizione circuitale per impian ti di commutazione per telecomunica zioni a comandi centralizzati - Google Patents
Disposizione circuitale per impian ti di commutazione per telecomunica zioni a comandi centralizzatiInfo
- Publication number
- IT1007089B IT1007089B IT1980774A IT1980774A IT1007089B IT 1007089 B IT1007089 B IT 1007089B IT 1980774 A IT1980774 A IT 1980774A IT 1980774 A IT1980774 A IT 1980774A IT 1007089 B IT1007089 B IT 1007089B
- Authority
- IT
- Italy
- Prior art keywords
- telecommunications
- circuital arrangement
- centralized controls
- commutation systems
- commutation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
- H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19732304415 DE2304415C3 (de) | 1973-01-30 | 1973-01-30 | Schaltungsanordnung für zentralgesteuerte Fernmeldevermittlungsanlagen mit Suchern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1007089B true IT1007089B (it) | 1976-10-30 |
Family
ID=5870337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT1980774A IT1007089B (it) | 1973-01-30 | 1974-01-25 | Disposizione circuitale per impian ti di commutazione per telecomunica zioni a comandi centralizzati |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT330248B (de) |
| BE (1) | BE810376A (de) |
| CH (1) | CH567852A5 (de) |
| DE (1) | DE2304415C3 (de) |
| DK (1) | DK140450C (de) |
| FR (1) | FR2215770B1 (de) |
| GB (1) | GB1453518A (de) |
| IT (1) | IT1007089B (de) |
| LU (1) | LU69246A1 (de) |
| NL (1) | NL167829C (de) |
| SE (1) | SE398951B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4991168A (en) * | 1989-05-08 | 1991-02-05 | At&T Bell Laboratories | Concurrent multi-stage network control arrangement |
-
1973
- 1973-01-30 DE DE19732304415 patent/DE2304415C3/de not_active Expired
- 1973-12-14 AT AT1051473A patent/AT330248B/de not_active IP Right Cessation
-
1974
- 1974-01-09 CH CH22974A patent/CH567852A5/xx not_active IP Right Cessation
- 1974-01-25 GB GB345574A patent/GB1453518A/en not_active Expired
- 1974-01-25 IT IT1980774A patent/IT1007089B/it active
- 1974-01-25 FR FR7402532A patent/FR2215770B1/fr not_active Expired
- 1974-01-28 LU LU69246D patent/LU69246A1/xx unknown
- 1974-01-28 NL NL7401132A patent/NL167829C/xx not_active IP Right Cessation
- 1974-01-29 DK DK46574A patent/DK140450C/da not_active IP Right Cessation
- 1974-01-30 SE SE7401217A patent/SE398951B/xx unknown
- 1974-01-30 BE BE140356A patent/BE810376A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL167829C (nl) | 1982-01-18 |
| SE398951B (sv) | 1978-01-23 |
| DE2304415C3 (de) | 1978-04-06 |
| DK140450B (da) | 1979-08-27 |
| DE2304415B2 (de) | 1977-08-04 |
| FR2215770A1 (de) | 1974-08-23 |
| AT330248B (de) | 1976-06-25 |
| GB1453518A (en) | 1976-10-27 |
| LU69246A1 (de) | 1974-04-10 |
| ATA1051473A (de) | 1975-09-15 |
| CH567852A5 (de) | 1975-10-15 |
| BE810376A (fr) | 1974-07-30 |
| DE2304415A1 (de) | 1974-08-15 |
| NL167829B (nl) | 1981-08-17 |
| DK140450C (da) | 1980-02-04 |
| NL7401132A (de) | 1974-08-01 |
| FR2215770B1 (de) | 1981-04-30 |
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