IT1020713B - Dispositivo numerico per la connes sione contemporanea di tre o piu canali telefonici tra loro - Google Patents
Dispositivo numerico per la connes sione contemporanea di tre o piu canali telefonici tra loroInfo
- Publication number
- IT1020713B IT1020713B IT6967974A IT6967974A IT1020713B IT 1020713 B IT1020713 B IT 1020713B IT 6967974 A IT6967974 A IT 6967974A IT 6967974 A IT6967974 A IT 6967974A IT 1020713 B IT1020713 B IT 1020713B
- Authority
- IT
- Italy
- Prior art keywords
- telephone channels
- numerical device
- contemporary
- connection
- contemporary connection
- 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
- H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
- H04M3/569—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants using the instant speaker's algorithm
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT6967974A IT1020713B (it) | 1974-09-04 | 1974-09-04 | Dispositivo numerico per la connes sione contemporanea di tre o piu canali telefonici tra loro |
DE19752538955 DE2538955C3 (de) | 1974-09-04 | 1975-09-02 | Verfahren zum Konferenzbetrieb und Konferenzschaltungsanordnung zum gleichzeitigen Verbinden von drei oder mehr Fernsprechteilnehmern |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT6967974A IT1020713B (it) | 1974-09-04 | 1974-09-04 | Dispositivo numerico per la connes sione contemporanea di tre o piu canali telefonici tra loro |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1020713B true IT1020713B (it) | 1977-12-30 |
Family
ID=11312610
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT6967974A IT1020713B (it) | 1974-09-04 | 1974-09-04 | Dispositivo numerico per la connes sione contemporanea di tre o piu canali telefonici tra loro |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE2538955C3 (it) |
IT (1) | IT1020713B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3005162A1 (de) * | 1980-02-12 | 1981-08-20 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur einspeisung von hoertoenen in konferenzverbindungen |
US4388717A (en) * | 1981-01-14 | 1983-06-14 | International Telephone And Telegraph Corporation | Conference circuit for PCM system |
-
1974
- 1974-09-04 IT IT6967974A patent/IT1020713B/it active
-
1975
- 1975-09-02 DE DE19752538955 patent/DE2538955C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2538955C3 (de) | 1981-06-25 |
DE2538955A1 (de) | 1976-03-25 |
DE2538955B2 (de) | 1977-08-18 |
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