IT1011782B - Riconoscitore numerico di criteri di segnalazione - Google Patents
Riconoscitore numerico di criteri di segnalazioneInfo
- Publication number
- IT1011782B IT1011782B IT68311/74A IT6831174A IT1011782B IT 1011782 B IT1011782 B IT 1011782B IT 68311/74 A IT68311/74 A IT 68311/74A IT 6831174 A IT6831174 A IT 6831174A IT 1011782 B IT1011782 B IT 1011782B
- Authority
- IT
- Italy
- Prior art keywords
- reporting criteria
- numerical recognition
- recognition
- numerical
- reporting
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Time-Division Multiplex Systems (AREA)
- Telephonic Communication Services (AREA)
- Exchange Systems With Centralized Control (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68311/74A IT1011782B (it) | 1974-04-26 | 1974-04-26 | Riconoscitore numerico di criteri di segnalazione |
DE2517525A DE2517525C3 (de) | 1974-04-26 | 1975-04-21 | Verfahren und Signalisierungsidentifizierer zum Erkennen von Fernmelde-Signalisierungskriterien |
SE7504818A SE409158B (sv) | 1974-04-26 | 1975-04-25 | Signaleringsidentifierade vid en elektronisk telestation for identifiering av signaleringskriterier |
US05/572,336 US3980833A (en) | 1974-04-26 | 1975-04-28 | Call monitor for telecommunication exchange |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT68311/74A IT1011782B (it) | 1974-04-26 | 1974-04-26 | Riconoscitore numerico di criteri di segnalazione |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1011782B true IT1011782B (it) | 1977-02-10 |
Family
ID=11308933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68311/74A IT1011782B (it) | 1974-04-26 | 1974-04-26 | Riconoscitore numerico di criteri di segnalazione |
Country Status (4)
Country | Link |
---|---|
US (1) | US3980833A (it) |
DE (1) | DE2517525C3 (it) |
IT (1) | IT1011782B (it) |
SE (1) | SE409158B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4097694A (en) * | 1975-07-09 | 1978-06-27 | Toa Electric Company, Ltd. | Time-division telephone system embodying trunks having demodulating-adder circuits |
FR2347841A1 (fr) * | 1976-04-07 | 1977-11-04 | Labo Cent Telecommunicat | Transfert de la signalisation de ligne dans un central mic |
FR2448271A2 (fr) * | 1978-04-21 | 1980-08-29 | Materiel Telephonique | Reseau de connexion temporel pour centre de commutation local |
JPS5511643A (en) * | 1978-07-11 | 1980-01-26 | Toshiba Corp | Electronic exchange |
DE2834938A1 (de) * | 1978-08-09 | 1980-02-21 | Siemens Ag | Indirekt gesteuerte vermittlungsanlage, insbesondere mit zeitkanalkopplern ausgeruestete fernsprechvermittlungsanlage |
DE2834918A1 (de) * | 1978-08-09 | 1980-02-21 | Siemens Ag | Indirekt gesteuerte vermittlungsanlage, insbesondere mit zeitkanalkopplern ausgeruestete fernsprechvermittlungsanlage |
DE2834916A1 (de) * | 1978-08-09 | 1980-02-21 | Siemens Ag | Indirekt gesteuerte vermittlungsanlage, insbesondere mit zeitkanalkopplern ausgeruestete fernsprechvermittlungsanlage |
FR2442563A1 (fr) * | 1978-11-22 | 1980-06-20 | Materiel Telephonique | Dispositif de controle pour reseau de commutation temporelle |
AU572593B2 (en) * | 1983-12-22 | 1988-05-12 | Alcatel N.V. | Signal recognition system |
US5631958A (en) * | 1994-10-04 | 1997-05-20 | Coherent Communications Systems Corp. | Automatic echo cancellation for an integrated services digital network interface |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL158679B (nl) * | 1967-01-23 | 1978-11-15 | Bell Telephone Mfg | Telecommunicatiestelsel. |
FR2030566A5 (it) * | 1969-04-18 | 1970-11-13 | Sits Soc It Telecom Siemens | |
US3908092A (en) * | 1973-12-21 | 1975-09-23 | Bell Telephone Labor Inc | Program controlled time division switching systems |
-
1974
- 1974-04-26 IT IT68311/74A patent/IT1011782B/it active
-
1975
- 1975-04-21 DE DE2517525A patent/DE2517525C3/de not_active Expired
- 1975-04-25 SE SE7504818A patent/SE409158B/xx unknown
- 1975-04-28 US US05/572,336 patent/US3980833A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3980833A (en) | 1976-09-14 |
SE409158B (sv) | 1979-07-30 |
DE2517525C3 (de) | 1979-12-20 |
DE2517525A1 (de) | 1975-10-30 |
DE2517525B2 (de) | 1979-04-05 |
SE7504818L (sv) | 1975-10-27 |
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