JPS59156058A - 多対地点間接続方式 - Google Patents
多対地点間接続方式Info
- Publication number
- JPS59156058A JPS59156058A JP2929483A JP2929483A JPS59156058A JP S59156058 A JPS59156058 A JP S59156058A JP 2929483 A JP2929483 A JP 2929483A JP 2929483 A JP2929483 A JP 2929483A JP S59156058 A JPS59156058 A JP S59156058A
- Authority
- JP
- Japan
- Prior art keywords
- line
- bridge
- bridges
- point
- circuit
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 2
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
- H04M3/562—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities where the conference facilities are distributed
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2929483A JPS59156058A (ja) | 1983-02-25 | 1983-02-25 | 多対地点間接続方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2929483A JPS59156058A (ja) | 1983-02-25 | 1983-02-25 | 多対地点間接続方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59156058A true JPS59156058A (ja) | 1984-09-05 |
JPH0224426B2 JPH0224426B2 (enrdf_load_stackoverflow) | 1990-05-29 |
Family
ID=12272219
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2929483A Granted JPS59156058A (ja) | 1983-02-25 | 1983-02-25 | 多対地点間接続方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59156058A (enrdf_load_stackoverflow) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS639298A (ja) * | 1986-06-30 | 1988-01-14 | Mitsubishi Electric Corp | 方路選択回路 |
JPH0548745A (ja) * | 1991-08-08 | 1993-02-26 | Mitsubishi Electric Corp | 多地点間音声通信方式 |
JP2002237896A (ja) * | 2001-02-08 | 2002-08-23 | Hitachi Kokusai Electric Inc | 通信システム |
JP2012169925A (ja) * | 2011-02-15 | 2012-09-06 | Taihei Kogyo Co Ltd | 双方向通信システム、中継器及び双方向通信方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55161455A (en) * | 1979-06-04 | 1980-12-16 | Mitsubishi Electric Corp | Voice mixing unit for service |
JPS5961260A (ja) * | 1982-09-29 | 1984-04-07 | Fujitsu Ltd | 音声通話用信号混合方式 |
-
1983
- 1983-02-25 JP JP2929483A patent/JPS59156058A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55161455A (en) * | 1979-06-04 | 1980-12-16 | Mitsubishi Electric Corp | Voice mixing unit for service |
JPS5961260A (ja) * | 1982-09-29 | 1984-04-07 | Fujitsu Ltd | 音声通話用信号混合方式 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS639298A (ja) * | 1986-06-30 | 1988-01-14 | Mitsubishi Electric Corp | 方路選択回路 |
JPH0548745A (ja) * | 1991-08-08 | 1993-02-26 | Mitsubishi Electric Corp | 多地点間音声通信方式 |
JP2002237896A (ja) * | 2001-02-08 | 2002-08-23 | Hitachi Kokusai Electric Inc | 通信システム |
JP2012169925A (ja) * | 2011-02-15 | 2012-09-06 | Taihei Kogyo Co Ltd | 双方向通信システム、中継器及び双方向通信方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0224426B2 (enrdf_load_stackoverflow) | 1990-05-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2044998A1 (en) | Modem pooling system | |
US3882276A (en) | Conferencing system utilizing oppositely phased hybrids | |
US4049920A (en) | Analog signal summing conference circuit | |
JPS59156058A (ja) | 多対地点間接続方式 | |
JPS5940341B2 (ja) | 時分割交換会議システム | |
US4425478A (en) | Conference system for telephony | |
EP0507505A2 (en) | Network signalling arrangement for controlling tandem network functions | |
JPS5919506B2 (ja) | 電話交換機 | |
US3399275A (en) | Conference circuit with suppressed sidetones | |
US5414763A (en) | Apparatus and method for providing echo suppression to a plurality of telephones | |
US3511931A (en) | Conferencing networks employing virtual ground summation to obtain isolation | |
JP3156947B2 (ja) | 会議用電話装置 | |
JPS6328390B2 (enrdf_load_stackoverflow) | ||
KR100528742B1 (ko) | 교환시스템의 다자간 회의통화장치 | |
SU1138957A1 (ru) | Коммутационное устройство дл конференц-св зи | |
JP3426472B2 (ja) | 打ち合わせ音声信号伝送システム | |
RU2106008C1 (ru) | Управляемая от эвм телекоммуникационная установка | |
JPS6230543B2 (enrdf_load_stackoverflow) | ||
JP2534570B2 (ja) | 電話会議装置 | |
SU902309A1 (ru) | Устройство объединени дельта-модулированных сигналов | |
NO995864L (no) | Totråds kommunikasjonssystem | |
JPH07176985A (ja) | インピーダンス合成回路 | |
JPS60257648A (ja) | 分岐・結合回路 | |
JPH05227311A (ja) | 多者通話機能を有する通信装置 | |
JPS5913463A (ja) | 会議電話用4線式増幅回線 |