IT1010125B - Centrale telefonica a passi da im piegare con reti di telecomunica zioni a pcm - Google Patents
Centrale telefonica a passi da im piegare con reti di telecomunica zioni a pcmInfo
- Publication number
- IT1010125B IT1010125B IT21947/74A IT2194774A IT1010125B IT 1010125 B IT1010125 B IT 1010125B IT 21947/74 A IT21947/74 A IT 21947/74A IT 2194774 A IT2194774 A IT 2194774A IT 1010125 B IT1010125 B IT 1010125B
- Authority
- IT
- Italy
- Prior art keywords
- pcm
- folded
- steps
- telecommunication networks
- telephone central
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
-
- 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)
- Telephonic Communication Services (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US356003A US3863033A (en) | 1973-04-30 | 1973-04-30 | Step-by-step telephone central exchanges for use with pcm communication networks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1010125B true IT1010125B (it) | 1977-01-10 |
Family
ID=23399677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT21947/74A IT1010125B (it) | 1973-04-30 | 1974-04-26 | Centrale telefonica a passi da im piegare con reti di telecomunica zioni a pcm |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3863033A (it) |
| BE (1) | BE814367A (it) |
| CA (1) | CA1008957A (it) |
| GB (1) | GB1462649A (it) |
| IT (1) | IT1010125B (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3984642A (en) * | 1974-06-10 | 1976-10-05 | The Post Office | Digital telephone and switching system employing time division multiplex pulse code modulation |
| US4150258A (en) * | 1975-02-03 | 1979-04-17 | Oki Electric Industry Co., Ltd. | Electronic switching system |
| FR2311468A1 (fr) * | 1975-05-16 | 1976-12-10 | Thomson Csf | Procede de protection d'un reseau de commutation telephonique contre les surcharges, circuits et autocommutateurs pour la mise en oeuvre de ce procede |
| GB2227626B (en) * | 1988-12-22 | 1993-11-17 | Toshiba Kk | Digital exchange and its control method |
| US5912960A (en) * | 1996-05-17 | 1999-06-15 | Alcatel Usa Sourcing, L.P. | Method and apparatus for remotely activating services in a telecommunications network |
| US20050259807A1 (en) * | 2003-02-28 | 2005-11-24 | Pita Madoch | Method and network for providing access to an information network |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE538470A (it) * | 1954-05-27 | |||
| US2829204A (en) * | 1954-11-26 | 1958-04-01 | Bell Telephone Labor Inc | Battery charging over subscriber telephone line |
| US3087019A (en) * | 1960-03-30 | 1963-04-23 | Automatic Elect Lab | Terminal per station identification circuit |
| 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 |
| US3496301A (en) * | 1966-04-19 | 1970-02-17 | Bell Telephone Labor Inc | Time division concentrator with reduced station scanning interval |
| US3585306A (en) * | 1968-05-16 | 1971-06-15 | Bell Telephone Labor Inc | Tandem office time division switching system |
| US3778555A (en) * | 1971-07-19 | 1973-12-11 | Digital Telephone Systems Inc | Telephone subscriber line system intra call apparatus and method |
-
1973
- 1973-04-30 US US356003A patent/US3863033A/en not_active Expired - Lifetime
-
1974
- 1974-01-18 CA CA190,479A patent/CA1008957A/en not_active Expired
- 1974-02-14 GB GB684074A patent/GB1462649A/en not_active Expired
- 1974-04-26 IT IT21947/74A patent/IT1010125B/it active
- 1974-04-30 BE BE2053579A patent/BE814367A/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA1008957A (en) | 1977-04-19 |
| US3863033A (en) | 1975-01-28 |
| BE814367A (fr) | 1974-10-30 |
| GB1462649A (en) | 1977-01-26 |
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