IT1040208B - CNFERENCE CIRCUIT FOR SWITCHING TELEPHONE CONTROL UNITS OF NUMPERIC TYPE - Google Patents
CNFERENCE CIRCUIT FOR SWITCHING TELEPHONE CONTROL UNITS OF NUMPERIC TYPEInfo
- Publication number
- IT1040208B IT1040208B IT25950/75A IT2595075A IT1040208B IT 1040208 B IT1040208 B IT 1040208B IT 25950/75 A IT25950/75 A IT 25950/75A IT 2595075 A IT2595075 A IT 2595075A IT 1040208 B IT1040208 B IT 1040208B
- Authority
- IT
- Italy
- Prior art keywords
- numperic
- cnference
- circuit
- type
- control units
- Prior art date
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)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Complex Calculations (AREA)
Priority Applications (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT25950/75A IT1040208B (en) | 1975-07-31 | 1975-07-31 | CNFERENCE CIRCUIT FOR SWITCHING TELEPHONE CONTROL UNITS OF NUMPERIC TYPE |
IN1055/CAL/76A IN143837B (en) | 1975-07-31 | 1976-06-16 | |
TR19323A TR19323A (en) | 1975-07-31 | 1976-07-15 | COMMUNICATION CIRCUIT FOR NUMERICAL TYPE TELEPHONE EXCHANGES |
FR7621920A FR2320015A1 (en) | 1975-07-31 | 1976-07-19 | CONFERENCE CIRCUIT FOR DIGITAL SWITCHING TELEPHONE CENTERS |
SE7608445A SE7608445L (en) | 1975-07-31 | 1976-07-26 | CONFERENCE COUPLING FOR TELEPHONE EXCHANGE |
NL7608295A NL7608295A (en) | 1975-07-31 | 1976-07-27 | CONFERENCE SWITCH FOR DIGITAL TELEPHONE CENTRALS. |
BR7604885A BR7604885A (en) | 1975-07-31 | 1976-07-28 | CIRCUIT FOR CONFERENCES FOR TELEPHONE CENTERS |
JP51089769A JPS5218108A (en) | 1975-07-31 | 1976-07-29 | Conference telephone circuit |
AR264137A AR209981A1 (en) | 1975-07-31 | 1976-07-29 | CIRCUIT FOR CONVERSATION, FOR NUMERIC TYPE SWITCHING TELEPHONE CENTERS |
AU16365/76A AU497812B2 (en) | 1975-07-31 | 1976-07-29 | Digital telephone exchange conference circuit |
DE19762634345 DE2634345A1 (en) | 1975-07-31 | 1976-07-30 | CONFERENCE CIRCUIT FOR A DIGITAL TELEPHONE SWITCHING CENTER |
GB32050/76A GB1528240A (en) | 1975-07-31 | 1976-08-02 | Conference circuits for telephone exchanges of digital type |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT25950/75A IT1040208B (en) | 1975-07-31 | 1975-07-31 | CNFERENCE CIRCUIT FOR SWITCHING TELEPHONE CONTROL UNITS OF NUMPERIC TYPE |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1040208B true IT1040208B (en) | 1979-12-20 |
Family
ID=11218237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25950/75A IT1040208B (en) | 1975-07-31 | 1975-07-31 | CNFERENCE CIRCUIT FOR SWITCHING TELEPHONE CONTROL UNITS OF NUMPERIC TYPE |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5218108A (en) |
AR (1) | AR209981A1 (en) |
AU (1) | AU497812B2 (en) |
BR (1) | BR7604885A (en) |
DE (1) | DE2634345A1 (en) |
FR (1) | FR2320015A1 (en) |
GB (1) | GB1528240A (en) |
IN (1) | IN143837B (en) |
IT (1) | IT1040208B (en) |
NL (1) | NL7608295A (en) |
SE (1) | SE7608445L (en) |
TR (1) | TR19323A (en) |
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 (en) * | 1980-02-15 | 1988-11-10 | Nixdorf Computer Ag, 4790 Paderborn | Method for controlling the transmission of PCM signals between connection points of a PCM time division multiplex telecommunications network in a conference operation and circuit arrangement for carrying out the method |
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 (en) * | 1982-03-30 | 1983-10-07 | Telecommunications Sa | MULTISALLE VISIOCONFERENCE SYSTEM |
FR2533784B1 (en) * | 1982-09-28 | 1989-06-30 | Thomson Csf Mat Tel | MULTIPLE CONFERENCE DEVICE FOR MIC TIME STICKERS WITH CONNECTION NETWORK |
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/en active
-
1976
- 1976-06-16 IN IN1055/CAL/76A patent/IN143837B/en unknown
- 1976-07-15 TR TR19323A patent/TR19323A/en unknown
- 1976-07-19 FR FR7621920A patent/FR2320015A1/en active Granted
- 1976-07-26 SE SE7608445A patent/SE7608445L/en unknown
- 1976-07-27 NL NL7608295A patent/NL7608295A/en not_active Application Discontinuation
- 1976-07-28 BR BR7604885A patent/BR7604885A/en unknown
- 1976-07-29 AR AR264137A patent/AR209981A1/en active
- 1976-07-29 AU AU16365/76A patent/AU497812B2/en not_active Expired
- 1976-07-29 JP JP51089769A patent/JPS5218108A/en active Pending
- 1976-07-30 DE DE19762634345 patent/DE2634345A1/en not_active Withdrawn
- 1976-08-02 GB GB32050/76A patent/GB1528240A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
TR19323A (en) | 1978-11-28 |
IN143837B (en) | 1978-02-11 |
DE2634345A1 (en) | 1977-02-17 |
AU497812B2 (en) | 1979-01-11 |
NL7608295A (en) | 1977-02-02 |
AU1636576A (en) | 1978-02-02 |
BR7604885A (en) | 1977-08-09 |
GB1528240A (en) | 1978-10-11 |
FR2320015A1 (en) | 1977-02-25 |
AR209981A1 (en) | 1977-06-15 |
FR2320015B1 (en) | 1981-09-25 |
JPS5218108A (en) | 1977-02-10 |
SE7608445L (en) | 1977-05-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS51118056A (en) | Switching circuit | |
IT1057526B (en) | CONNECTOR COMPLEX FOR FLEXIBLE CIRCUIT | |
IT1056849B (en) | CIRCUIT PANEL CONNECTOR | |
IT1012811B (en) | SWITCHING CIRCUIT | |
BR7605790A (en) | CIRCUIT SWITCH | |
AR209332A1 (en) | SWITCHED VERTICAL DEFLECTION CIRCUIT | |
JPS5255464A (en) | Switching circuit | |
BR7605791A (en) | CIRCUIT SWITCH | |
BR7605607A (en) | CIRCUIT SWITCH | |
IT1055447B (en) | CURRENT REGULATOR CIRCUIT | |
IT1093945B (en) | SWITCHING CIRCUIT | |
IT1040208B (en) | CNFERENCE CIRCUIT FOR SWITCHING TELEPHONE CONTROL UNITS OF NUMPERIC TYPE | |
BR7600827A (en) | LOW VOLTAGE CIRCUIT SWITCH | |
IT1078352B (en) | SWITCHING CIRCUIT GTO | |
IT1071529B (en) | SWITCHING CIRCUIT FOR VIDEO SIGNALS | |
IT1038130B (en) | DIRECT CURRENT PROTECTION CIRCUIT | |
JPS5279647A (en) | Transistor switching circuit | |
DK147503C (en) | PROTECTION SWITCH CIRCUIT | |
BR7501973A (en) | SWITCHING CIRCUIT | |
IT1058871B (en) | SWITCHING APPARATUS | |
IT1055626B (en) | VOLTAGE RETUCTOR CIRCUIT | |
BR7603013A (en) | CIRCUIT SWITCH | |
BR7605913A (en) | CIRCUIT SWITCH | |
IT1027559B (en) | SWITCHING CIRCUIT | |
BR7605912A (en) | CIRCUIT SWITCH |