FR2365922B1 - - Google Patents
Info
- Publication number
- FR2365922B1 FR2365922B1 FR7628776A FR7628776A FR2365922B1 FR 2365922 B1 FR2365922 B1 FR 2365922B1 FR 7628776 A FR7628776 A FR 7628776A FR 7628776 A FR7628776 A FR 7628776A FR 2365922 B1 FR2365922 B1 FR 2365922B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/39—Signalling arrangements; Manipulation of signalling currents using coded pulse groups
-
- 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)
- Monitoring And Testing Of Exchanges (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7628776A FR2365922A1 (fr) | 1976-09-24 | 1976-09-24 | Unite de signalisation pour central telephonique |
| US05/834,874 US4129756A (en) | 1976-09-24 | 1977-09-20 | Telephone exchange signalling unit |
| IT27753/77A IT1086951B (it) | 1976-09-24 | 1977-09-21 | Unita' di segnalazione per centrale telefonica |
| BE181102A BE858935A (fr) | 1976-09-24 | 1977-09-22 | Unite de signalisation pour central telephonique |
| DE19772742929 DE2742929A1 (de) | 1976-09-24 | 1977-09-23 | Signalisierungseinheit fuer eine fernsprechzentrale |
| ES462574A ES462574A1 (es) | 1976-09-24 | 1977-09-23 | Unidad de senalizacion para central telefonica. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7628776A FR2365922A1 (fr) | 1976-09-24 | 1976-09-24 | Unite de signalisation pour central telephonique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2365922A1 FR2365922A1 (fr) | 1978-04-21 |
| FR2365922B1 true FR2365922B1 (OSRAM) | 1979-01-12 |
Family
ID=9178055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7628776A Granted FR2365922A1 (fr) | 1976-09-24 | 1976-09-24 | Unite de signalisation pour central telephonique |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4129756A (OSRAM) |
| BE (1) | BE858935A (OSRAM) |
| DE (1) | DE2742929A1 (OSRAM) |
| ES (1) | ES462574A1 (OSRAM) |
| FR (1) | FR2365922A1 (OSRAM) |
| IT (1) | IT1086951B (OSRAM) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2455823A1 (fr) * | 1979-05-04 | 1980-11-28 | Cit Alcatel | Dispositif de raccordement de multiplex dans un central de commutation temporelle |
| ZA804387B (en) * | 1979-08-10 | 1981-07-29 | Plessey Co Ltd | Channel zero switching arrangements for digital telecommunication exchanges |
| FR2478415B1 (fr) * | 1980-03-11 | 1986-12-05 | Thomson Csf Mat Tel | Systeme de commutation de signalisation dans un reseau de commutation temporelle, et reseau de commutation temporelle comportant un tel systeme |
| FR2551939B1 (fr) * | 1983-09-14 | 1985-10-11 | Cit Alcatel | Dispositif de transfert et de traitement de voies de donnees ou de signalisation d'un ensemble de lignes multiplex |
| ES2105934B1 (es) * | 1994-02-25 | 1998-07-16 | Telefonica Nacional Espana Co | Circuito hibrido universal de linea. |
| US5748876A (en) * | 1995-12-29 | 1998-05-05 | Mci Communications Corporation | System and method for testing acoustic modems with semantically encoded waveforms |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3743938A (en) * | 1971-08-10 | 1973-07-03 | Gen Datacomm Ind Inc | Closed data loop test apparatus for data transmission modem |
| US4039751A (en) * | 1972-04-24 | 1977-08-02 | General Datacomm Industries, Inc. | Method and apparatus for closed loop testing of first and second modulators and demodulators |
| US3931476A (en) * | 1974-01-03 | 1976-01-06 | Action Communication Systems, Inc. | Method and system for automatically controlling the connection of inter-city telephone calls at a users facility |
| US3985972A (en) * | 1974-08-08 | 1976-10-12 | Rolin Robert J | Telephone call restrictor |
| US4002847A (en) * | 1975-12-29 | 1977-01-11 | Bell Telephone Laboratories, Incorporated | Fault isolation in a serial-looped transmission system |
-
1976
- 1976-09-24 FR FR7628776A patent/FR2365922A1/fr active Granted
-
1977
- 1977-09-20 US US05/834,874 patent/US4129756A/en not_active Expired - Lifetime
- 1977-09-21 IT IT27753/77A patent/IT1086951B/it active
- 1977-09-22 BE BE181102A patent/BE858935A/xx unknown
- 1977-09-23 DE DE19772742929 patent/DE2742929A1/de not_active Withdrawn
- 1977-09-23 ES ES462574A patent/ES462574A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES462574A1 (es) | 1978-06-16 |
| IT1086951B (it) | 1985-05-31 |
| DE2742929A1 (de) | 1978-03-30 |
| US4129756A (en) | 1978-12-12 |
| BE858935A (fr) | 1978-01-16 |
| FR2365922A1 (fr) | 1978-04-21 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |