GR76042B - - Google Patents
Info
- Publication number
- GR76042B GR76042B GR67823A GR820167823A GR76042B GR 76042 B GR76042 B GR 76042B GR 67823 A GR67823 A GR 67823A GR 820167823 A GR820167823 A GR 820167823A GR 76042 B GR76042 B GR 76042B
- Authority
- GR
- Greece
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)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8121227A IT1211024B (en) | 1981-04-16 | 1981-04-16 | CONFERENCE CIRCUIT FOR NUMERIC TYPE TELEPHONE SWITCHING UNITS. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GR76042B true GR76042B (en) | 1984-08-03 |
Family
ID=11178683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GR67823A GR76042B (en) | 1981-04-16 | 1982-04-06 |
Country Status (9)
| Country | Link |
|---|---|
| BR (1) | BR8202162A (en) |
| DE (1) | DE3214099A1 (en) |
| ES (1) | ES8303858A1 (en) |
| FR (1) | FR2504333A1 (en) |
| GB (1) | GB2100094A (en) |
| GR (1) | GR76042B (en) |
| IT (1) | IT1211024B (en) |
| PT (1) | PT74762B (en) |
| YU (1) | YU80382A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2183965A (en) * | 1985-12-10 | 1987-06-10 | Weng Pu San | Circuit structure of teleconference |
| JPH03166894A (en) * | 1989-11-27 | 1991-07-18 | Matsushita Electric Ind Co Ltd | Key telephone system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4190744A (en) * | 1978-06-05 | 1980-02-26 | Siemens Aktiengesellschaft | Circuit arrangement and process for producing conference connections between three conference parties in a PCM time multiplex switching system |
| US4224688A (en) * | 1978-10-30 | 1980-09-23 | Northern Telecom Limited | Digital conference circuit |
| 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 |
-
1981
- 1981-04-16 IT IT8121227A patent/IT1211024B/en active
-
1982
- 1982-04-06 GR GR67823A patent/GR76042B/el unknown
- 1982-04-13 YU YU00803/82A patent/YU80382A/en unknown
- 1982-04-13 ES ES511385A patent/ES8303858A1/en not_active Expired
- 1982-04-15 PT PT74762A patent/PT74762B/en unknown
- 1982-04-15 BR BR8202162A patent/BR8202162A/en unknown
- 1982-04-15 FR FR8206512A patent/FR2504333A1/fr not_active Withdrawn
- 1982-04-16 DE DE19823214099 patent/DE3214099A1/en not_active Withdrawn
- 1982-04-16 GB GB8211154A patent/GB2100094A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| BR8202162A (en) | 1983-03-29 |
| GB2100094A (en) | 1982-12-15 |
| IT8121227A0 (en) | 1981-04-16 |
| PT74762B (en) | 1983-11-30 |
| PT74762A (en) | 1982-05-01 |
| ES511385A0 (en) | 1983-03-01 |
| FR2504333A1 (en) | 1982-10-22 |
| IT1211024B (en) | 1989-09-29 |
| YU80382A (en) | 1985-03-20 |
| ES8303858A1 (en) | 1983-03-01 |
| DE3214099A1 (en) | 1982-11-18 |