IT1040208B - CNFERENCE CIRCUIT FOR SWITCHING TELEPHONE CONTROL UNITS OF NUMPERIC TYPE - Google Patents

CNFERENCE CIRCUIT FOR SWITCHING TELEPHONE CONTROL UNITS OF NUMPERIC TYPE

Info

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
Application number
IT25950/75A
Other languages
Italian (it)
Inventor
Bovo Amilcare
Valsecchi Giuseppe
Original Assignee
Sits Soc It Telecom Siemens
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sits Soc It Telecom Siemens filed Critical Sits Soc It Telecom Siemens
Priority to IT25950/75A priority Critical patent/IT1040208B/en
Priority to IN1055/CAL/76A priority patent/IN143837B/en
Priority to TR19323A priority patent/TR19323A/en
Priority to FR7621920A priority patent/FR2320015A1/en
Priority to SE7608445A priority patent/SE7608445L/en
Priority to NL7608295A priority patent/NL7608295A/en
Priority to BR7604885A priority patent/BR7604885A/en
Priority to JP51089769A priority patent/JPS5218108A/en
Priority to AR264137A priority patent/AR209981A1/en
Priority to AU16365/76A priority patent/AU497812B2/en
Priority to DE19762634345 priority patent/DE2634345A1/en
Priority to GB32050/76A priority patent/GB1528240A/en
Application granted granted Critical
Publication of IT1040208B publication Critical patent/IT1040208B/en

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)
IT25950/75A 1975-07-31 1975-07-31 CNFERENCE CIRCUIT FOR SWITCHING TELEPHONE CONTROL UNITS OF NUMPERIC TYPE IT1040208B (en)

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)

* Cited by examiner, † Cited by third party
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

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