FR2320015B1 - - Google Patents
Info
- Publication number
- FR2320015B1 FR2320015B1 FR7621920A FR7621920A FR2320015B1 FR 2320015 B1 FR2320015 B1 FR 2320015B1 FR 7621920 A FR7621920 A FR 7621920A FR 7621920 A FR7621920 A FR 7621920A FR 2320015 B1 FR2320015 B1 FR 2320015B1
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Complex Calculations (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT25950/75A IT1040208B (it) | 1975-07-31 | 1975-07-31 | Circuito cnferenza per centrali telefonische di commutazione di tipo numperico |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2320015A1 FR2320015A1 (fr) | 1977-02-25 |
| FR2320015B1 true FR2320015B1 (US06653308-20031125-C00197.png) | 1981-09-25 |
Family
ID=11218237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7621920A Granted FR2320015A1 (fr) | 1975-07-31 | 1976-07-19 | Circuit de conference pour centraux telephoniques de commutation de type numerique |
Country Status (12)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4112258A (en) * | 1977-10-12 | 1978-09-05 | Bell Telephone Laboratories, Incorporated | Communication system using intelligent network processor |
| USRE31651E (en) * | 1977-10-12 | 1984-08-21 | Bell Telephone Laboratories, Incorporated | Communication system using intelligent network processor |
| DE3005739C2 (de) * | 1980-02-15 | 1988-11-10 | Nixdorf Computer Ag, 4790 Paderborn | Verfahren zur Steuerung der Übertragung von PCM-Signalen zwischen Anschlußstellen eines PCM-Zeitmultiplex-Fernmeldenetzes in einem Konferenzbetrieb und Schaltungsanordnung zur Druchführung des Verfahrens |
| US4408323A (en) | 1981-06-29 | 1983-10-04 | Bell Telephone Laboratories, Incorporated | Processor facilities for integrated packet and voice switching |
| GB2103848B (en) * | 1981-08-20 | 1985-04-11 | Standard Telephones Cables Ltd | Pcm system |
| FR2524750A1 (fr) * | 1982-03-30 | 1983-10-07 | Telecommunications Sa | Systeme de visioconference multisalle |
| FR2533784B1 (fr) * | 1982-09-28 | 1989-06-30 | Thomson Csf Mat Tel | Dispositif de conferences multiples pour autocommutateur temporel mic avec reseau de connexion |
| GB2128448B (en) * | 1982-10-08 | 1985-11-13 | Standard Telephones Cables Ltd | Telephone exchange conference circuit |
-
1975
- 1975-07-31 IT IT25950/75A patent/IT1040208B/it active
-
1976
- 1976-06-16 IN IN1055/CAL/76A patent/IN143837B/en unknown
- 1976-07-15 TR TR19323A patent/TR19323A/xx unknown
- 1976-07-19 FR FR7621920A patent/FR2320015A1/fr active Granted
- 1976-07-26 SE SE7608445A patent/SE7608445L/xx unknown
- 1976-07-27 NL NL7608295A patent/NL7608295A/xx not_active Application Discontinuation
- 1976-07-28 BR BR7604885A patent/BR7604885A/pt unknown
- 1976-07-29 AU AU16365/76A patent/AU497812B2/en not_active Expired
- 1976-07-29 JP JP51089769A patent/JPS5218108A/ja active Pending
- 1976-07-29 AR AR264137A patent/AR209981A1/es active
- 1976-07-30 DE DE19762634345 patent/DE2634345A1/de not_active Withdrawn
- 1976-08-02 GB GB32050/76A patent/GB1528240A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IN143837B (US06653308-20031125-C00197.png) | 1978-02-11 |
| TR19323A (tr) | 1978-11-28 |
| DE2634345A1 (de) | 1977-02-17 |
| SE7608445L (sv) | 1977-05-09 |
| NL7608295A (nl) | 1977-02-02 |
| JPS5218108A (en) | 1977-02-10 |
| AU1636576A (en) | 1978-02-02 |
| GB1528240A (en) | 1978-10-11 |
| AR209981A1 (es) | 1977-06-15 |
| BR7604885A (pt) | 1977-08-09 |
| IT1040208B (it) | 1979-12-20 |
| AU497812B2 (en) | 1979-01-11 |
| FR2320015A1 (fr) | 1977-02-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |