FR2332663A1 - CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK - Google Patents
CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORKInfo
- Publication number
- FR2332663A1 FR2332663A1 FR7535467A FR7535467A FR2332663A1 FR 2332663 A1 FR2332663 A1 FR 2332663A1 FR 7535467 A FR7535467 A FR 7535467A FR 7535467 A FR7535467 A FR 7535467A FR 2332663 A1 FR2332663 A1 FR 2332663A1
- Authority
- FR
- France
- Prior art keywords
- switching network
- conference circuit
- mic switching
- mic
- conference
- Prior art date
- 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.)
- Granted
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)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7535467A FR2332663A1 (en) | 1975-11-20 | 1975-11-20 | CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK |
GB4767776A GB1521209A (en) | 1975-11-20 | 1976-11-16 | Conference circuit for a pcm switching network |
IT2940176A IT1064278B (en) | 1975-11-20 | 1976-11-17 | CONFERENCE CIRCUIT FOR SWITCHING NETWORK USING IMPULSE CODE MODULATION |
BR7607674A BR7607674A (en) | 1975-11-20 | 1976-11-17 | CONFERENCE CIRCUIT FOR A PCM SWITCH NETWORK |
BE2055461A BE848460A (en) | 1975-11-20 | 1976-11-18 | CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK, |
ES453481A ES453481A1 (en) | 1975-11-20 | 1976-11-19 | Conference circuit for a pcm switching network |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7535467A FR2332663A1 (en) | 1975-11-20 | 1975-11-20 | CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2332663A1 true FR2332663A1 (en) | 1977-06-17 |
FR2332663B1 FR2332663B1 (en) | 1979-07-27 |
Family
ID=9162663
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7535467A Granted FR2332663A1 (en) | 1975-11-20 | 1975-11-20 | CONFERENCE CIRCUIT FOR MIC SWITCHING NETWORK |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE848460A (en) |
BR (1) | BR7607674A (en) |
ES (1) | ES453481A1 (en) |
FR (1) | FR2332663A1 (en) |
GB (1) | GB1521209A (en) |
IT (1) | IT1064278B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2406365A1 (en) * | 1977-10-12 | 1979-05-11 | Western Electric Co | PABX FOR A TELECOMMUNICATIONS SYSTEM |
FR2472318A1 (en) * | 1979-12-18 | 1981-06-26 | Telecommunications Sa | Telephone conference system - adds samples of selected subscriber channels and retransmits and distributes sum to subscribers as second order digital signal |
EP0067006A1 (en) * | 1981-06-08 | 1982-12-15 | Northern Telecom Limited | Digital conference circuit and method |
EP0081799A1 (en) * | 1981-12-10 | 1983-06-22 | Alcatel N.V. | Method and circuit for establishing a conference connection |
EP0089716A1 (en) * | 1982-03-15 | 1983-09-28 | Koninklijke Philips Electronics N.V. | Method of and arrangement for establishing a conference connection in a TDM communication system |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE31651E (en) * | 1977-10-12 | 1984-08-21 | Bell Telephone Laboratories, Incorporated | Communication system using intelligent network processor |
US4408323A (en) | 1981-06-29 | 1983-10-04 | Bell Telephone Laboratories, Incorporated | Processor facilities for integrated packet and voice switching |
GB2128448B (en) * | 1982-10-08 | 1985-11-13 | Standard Telephones Cables Ltd | Telephone exchange conference circuit |
GB2134751B (en) * | 1983-01-18 | 1986-07-30 | Plessey Co Plc | Conference bridge |
-
1975
- 1975-11-20 FR FR7535467A patent/FR2332663A1/en active Granted
-
1976
- 1976-11-16 GB GB4767776A patent/GB1521209A/en not_active Expired
- 1976-11-17 IT IT2940176A patent/IT1064278B/en active
- 1976-11-17 BR BR7607674A patent/BR7607674A/en unknown
- 1976-11-18 BE BE2055461A patent/BE848460A/en not_active IP Right Cessation
- 1976-11-19 ES ES453481A patent/ES453481A1/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2406365A1 (en) * | 1977-10-12 | 1979-05-11 | Western Electric Co | PABX FOR A TELECOMMUNICATIONS SYSTEM |
FR2472318A1 (en) * | 1979-12-18 | 1981-06-26 | Telecommunications Sa | Telephone conference system - adds samples of selected subscriber channels and retransmits and distributes sum to subscribers as second order digital signal |
EP0067006A1 (en) * | 1981-06-08 | 1982-12-15 | Northern Telecom Limited | Digital conference circuit and method |
EP0081799A1 (en) * | 1981-12-10 | 1983-06-22 | Alcatel N.V. | Method and circuit for establishing a conference connection |
EP0089716A1 (en) * | 1982-03-15 | 1983-09-28 | Koninklijke Philips Electronics N.V. | Method of and arrangement for establishing a conference connection in a TDM communication system |
Also Published As
Publication number | Publication date |
---|---|
BR7607674A (en) | 1977-10-04 |
FR2332663B1 (en) | 1979-07-27 |
BE848460A (en) | 1977-05-18 |
GB1521209A (en) | 1978-08-16 |
ES453481A1 (en) | 1977-11-16 |
IT1064278B (en) | 1985-02-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |