IT947089B - Disposizione circuitale per un impianto di commutazione telefo nica con dispositivi di confe renza - Google Patents
Disposizione circuitale per un impianto di commutazione telefo nica con dispositivi di confe renzaInfo
- Publication number
- IT947089B IT947089B IT19939/72A IT1993972A IT947089B IT 947089 B IT947089 B IT 947089B IT 19939/72 A IT19939/72 A IT 19939/72A IT 1993972 A IT1993972 A IT 1993972A IT 947089 B IT947089 B IT 947089B
- Authority
- IT
- Italy
- Prior art keywords
- switching system
- telephone switching
- packaging devices
- circuital arrangement
- circuital
- Prior art date
Links
- 238000004806 packaging method and process Methods 0.000 title 1
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
- H04M3/567—Multimedia conference systems
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712104338 DE2104338C (de) | 1971-01-29 | Schaltungsanordnung für eine Fernsprechvermittlungsanlage mit Konferenzeinrichtungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT947089B true IT947089B (it) | 1973-05-21 |
Family
ID=5797341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT19939/72A IT947089B (it) | 1971-01-29 | 1972-01-28 | Disposizione circuitale per un impianto di commutazione telefo nica con dispositivi di confe renza |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3725587A (it) |
| IT (1) | IT947089B (it) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4400724A (en) * | 1981-06-08 | 1983-08-23 | The United States Of America As Represented By The Secretary Of The Army | Virtual space teleconference system |
| US4716585A (en) * | 1985-04-05 | 1987-12-29 | Datapoint Corporation | Gain switched audio conferencing network |
| US4686698A (en) * | 1985-04-08 | 1987-08-11 | Datapoint Corporation | Workstation for interfacing with a video conferencing network |
| US5382972A (en) * | 1988-09-22 | 1995-01-17 | Kannes; Deno | Video conferencing system for courtroom and other applications |
| US4965819A (en) * | 1988-09-22 | 1990-10-23 | Docu-Vision, Inc. | Video conferencing system for courtroom and other applications |
| US5014267A (en) * | 1989-04-06 | 1991-05-07 | Datapoint Corporation | Video conferencing network |
| US6323894B1 (en) * | 1993-03-12 | 2001-11-27 | Telebuyer, Llc | Commercial product routing system with video vending capability |
| US20030185356A1 (en) | 1993-03-12 | 2003-10-02 | Telebuyer, Llc | Commercial product telephonic routing system with mobile wireless and video vending capability |
| US5495284A (en) | 1993-03-12 | 1996-02-27 | Katz; Ronald A. | Scheduling and processing system for telephone video communication |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3519744A (en) * | 1967-06-16 | 1970-07-07 | Bell Telephone Labor Inc | Apparatus for connecting visual telephone sets in a conference arrangement |
| US3636265A (en) * | 1968-03-22 | 1972-01-18 | Tokyo Shibaura Electric Co | Television conference telephone system |
| US3601530A (en) * | 1969-04-29 | 1971-08-24 | Bell Telephone Labor Inc | Video conference system using voice-switched cameras |
-
1972
- 1972-01-27 US US00221238A patent/US3725587A/en not_active Expired - Lifetime
- 1972-01-28 IT IT19939/72A patent/IT947089B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| DE2104338A1 (it) | 1972-05-04 |
| DE2104338B2 (de) | 1972-05-04 |
| US3725587A (en) | 1973-04-03 |
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