IT7820544A0 - Impianto multiplo per abbonati telefonici commutato digitalmente. - Google Patents
Impianto multiplo per abbonati telefonici commutato digitalmente.Info
- Publication number
- IT7820544A0 IT7820544A0 IT7820544A IT2054478A IT7820544A0 IT 7820544 A0 IT7820544 A0 IT 7820544A0 IT 7820544 A IT7820544 A IT 7820544A IT 2054478 A IT2054478 A IT 2054478A IT 7820544 A0 IT7820544 A0 IT 7820544A0
- Authority
- IT
- Italy
- Prior art keywords
- switched telephone
- multiple system
- telephone subscribers
- digitally switched
- digitally
- 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
- H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13003—Constructional details of switching devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13102—Common translator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13103—Memory
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13107—Control equipment for a part of the connection, distributed control, co-processing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Exchange Systems With Centralized Control (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Multi Processors (AREA)
- Interface Circuits In Exchanges (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77371277A | 1977-03-02 | 1977-03-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7820544A0 true IT7820544A0 (it) | 1978-02-24 |
IT1115590B IT1115590B (it) | 1986-02-03 |
Family
ID=25099086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT20544/78A IT1115590B (it) | 1977-03-02 | 1978-02-24 | Impianto multiplo per abbonati telefonici commutato digitalmente |
Country Status (35)
Country | Link |
---|---|
JP (1) | JPS5816798B2 (it) |
AR (1) | AR223812A1 (it) |
AT (1) | AT377406B (it) |
AU (1) | AU516649B2 (it) |
BE (1) | BE864424A (it) |
BR (1) | BR7801290A (it) |
CA (1) | CA1101530A (it) |
CH (1) | CH627895A5 (it) |
CS (1) | CS270402B2 (it) |
DD (1) | DD134905A5 (it) |
DE (1) | DE2808666C2 (it) |
DK (1) | DK159709C (it) |
EG (1) | EG13354A (it) |
ES (1) | ES467423A1 (it) |
FI (1) | FI76472C (it) |
FR (1) | FR2382819B1 (it) |
GB (1) | GB1583633A (it) |
GR (1) | GR64106B (it) |
HK (1) | HK42881A (it) |
HU (1) | HU181887B (it) |
IE (1) | IE46249B1 (it) |
IN (1) | IN149978B (it) |
IT (1) | IT1115590B (it) |
MX (1) | MX144372A (it) |
NL (1) | NL191076C (it) |
NO (1) | NO154590C (it) |
NZ (1) | NZ186578A (it) |
PL (1) | PL125417B1 (it) |
PT (1) | PT67723A (it) |
RO (1) | RO76656A (it) |
SE (1) | SE439566B (it) |
SU (1) | SU1482540A3 (it) |
TR (1) | TR20819A (it) |
YU (1) | YU41390B (it) |
ZA (1) | ZA781060B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4201889A (en) * | 1978-03-17 | 1980-05-06 | International Telephone And Telegraph | Distributed control digital switching system |
IT1118433B (it) * | 1979-03-15 | 1986-03-03 | Cselt Centro Studi Lab Telecom | Autocommutatore telefonico numerico per aree a bassa densita' d'utenza |
IT1143268B (it) * | 1981-01-15 | 1986-10-22 | Cselt Centro Studi Lab Telecom | Struttura modulare di rete di commutazione pcm a controllo e diagnostica distribuite |
US4654845A (en) * | 1985-03-18 | 1987-03-31 | At&T | Parallel call processing system and method |
US4689815A (en) * | 1985-08-23 | 1987-08-25 | American Telephone And Telegraph Company, At&T Bell Laboratories | Controlling multi-port hunt groups in a distributed control switching system |
DE3539039A1 (de) * | 1985-11-04 | 1987-05-07 | Telefonbau & Normalzeit Gmbh | Dezentral gesteuerte digitale fernmeldevermittlungsanlage, insbesondere fernsprechnebenstellenanlage |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1374636A (en) * | 1972-08-09 | 1974-11-20 | Gte International Inc | Telephone exchange switching system |
DE2331602B1 (de) * | 1973-06-20 | 1975-01-16 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Schaltungsanordnung für eine indrekt gesteuerte Fernmelde-, insbesondere Fernsprechvermittlungsanlage, mit Verbindungssätzen |
GB1450457A (en) * | 1974-01-02 | 1976-09-22 | Plessey Co Ltd | Telecommunication exchange systems |
US3912873A (en) * | 1974-01-17 | 1975-10-14 | North Electric Co | Multiple fault tolerant digital switching system for an automatic telephone system |
US3974343A (en) * | 1975-01-10 | 1976-08-10 | North Electric Company | Small modular communications switching system with distributed programmable control |
FR2341998A1 (fr) * | 1976-02-17 | 1977-09-16 | Telic | Autocommutateur prive |
-
1978
- 1978-02-14 GB GB5806/78A patent/GB1583633A/en not_active Expired
- 1978-02-22 AT AT0127778A patent/AT377406B/de not_active IP Right Cessation
- 1978-02-23 ZA ZA00781060A patent/ZA781060B/xx unknown
- 1978-02-24 NO NO780630A patent/NO154590C/no unknown
- 1978-02-24 FR FR7805315A patent/FR2382819B1/fr not_active Expired
- 1978-02-24 DD DD78203848A patent/DD134905A5/xx unknown
- 1978-02-24 IT IT20544/78A patent/IT1115590B/it active
- 1978-02-27 AU AU33625/78A patent/AU516649B2/en not_active Expired
- 1978-02-28 SE SE7802272A patent/SE439566B/sv not_active IP Right Cessation
- 1978-02-28 DK DK089278A patent/DK159709C/da not_active IP Right Cessation
- 1978-02-28 NZ NZ186578A patent/NZ186578A/xx unknown
- 1978-03-01 FI FI780696A patent/FI76472C/fi not_active IP Right Cessation
- 1978-03-01 RO RO7893361A patent/RO76656A/ro unknown
- 1978-03-01 PT PT67723A patent/PT67723A/pt unknown
- 1978-03-01 BE BE2056716A patent/BE864424A/xx not_active IP Right Cessation
- 1978-03-01 NL NL7802233A patent/NL191076C/xx not_active IP Right Cessation
- 1978-03-01 EG EG132/78A patent/EG13354A/xx active
- 1978-03-01 DE DE2808666A patent/DE2808666C2/de not_active Expired
- 1978-03-01 CA CA297,987A patent/CA1101530A/en not_active Expired
- 1978-03-01 MX MX172607A patent/MX144372A/es unknown
- 1978-03-01 ES ES467423A patent/ES467423A1/es not_active Expired
- 1978-03-02 GR GR55588A patent/GR64106B/el unknown
- 1978-03-02 SU SU782584799A patent/SU1482540A3/ru active
- 1978-03-02 PL PL1978205021A patent/PL125417B1/pl unknown
- 1978-03-02 CH CH225878A patent/CH627895A5/de not_active IP Right Cessation
- 1978-03-02 JP JP53022888A patent/JPS5816798B2/ja not_active Expired
- 1978-03-02 TR TR20819A patent/TR20819A/xx unknown
- 1978-03-02 CS CS781340A patent/CS270402B2/cs unknown
- 1978-03-02 YU YU491/78A patent/YU41390B/xx unknown
- 1978-03-02 IE IE434/78A patent/IE46249B1/en not_active IP Right Cessation
- 1978-03-02 BR BR7801290A patent/BR7801290A/pt unknown
- 1978-03-02 HU HU78IE828A patent/HU181887B/hu not_active IP Right Cessation
- 1978-03-10 AR AR271280A patent/AR223812A1/es active
- 1978-04-11 IN IN401/CAL/78A patent/IN149978B/en unknown
-
1981
- 1981-08-27 HK HK428/81A patent/HK42881A/xx not_active IP Right Cessation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970131 |