BR8202162A - Circuito de conferencia para centrais telefonicas de comutacao do tipo numerico - Google Patents
Circuito de conferencia para centrais telefonicas de comutacao do tipo numericoInfo
- Publication number
- BR8202162A BR8202162A BR8202162A BR8202162A BR8202162A BR 8202162 A BR8202162 A BR 8202162A BR 8202162 A BR8202162 A BR 8202162A BR 8202162 A BR8202162 A BR 8202162A BR 8202162 A BR8202162 A BR 8202162A
- Authority
- BR
- Brazil
- Prior art keywords
- phones
- type switching
- number type
- conference circuit
- conference
- 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)
- 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 (it) | 1981-04-16 | 1981-04-16 | Circuito conferenza per centrali telefoniche di commutazione di tipo numerico. |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8202162A true BR8202162A (pt) | 1983-03-29 |
Family
ID=11178683
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8202162A BR8202162A (pt) | 1981-04-16 | 1982-04-15 | Circuito de conferencia para centrais telefonicas de comutacao do tipo numerico |
Country Status (9)
Country | Link |
---|---|
BR (1) | BR8202162A (pt) |
DE (1) | DE3214099A1 (pt) |
ES (1) | ES8303858A1 (pt) |
FR (1) | FR2504333A1 (pt) |
GB (1) | GB2100094A (pt) |
GR (1) | GR76042B (pt) |
IT (1) | IT1211024B (pt) |
PT (1) | PT74762B (pt) |
YU (1) | YU80382A (pt) |
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 (ja) * | 1989-11-27 | 1991-07-18 | Matsushita Electric Ind Co Ltd | ボタン電話装置 |
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 (de) * | 1980-02-15 | 1988-11-10 | Nixdorf Computer Ag, 4790 Paderborn | Verfahren zur Steuerung der Übertragung von PCM-Signalen zwischen Anschlußstellen eines PCM-Zeitmultiplex-Fernmeldenetzes in einem Konferenzbetrieb und Schaltungsanordnung zur Druchführung des Verfahrens |
-
1981
- 1981-04-16 IT IT8121227A patent/IT1211024B/it active
-
1982
- 1982-04-06 GR GR67823A patent/GR76042B/el unknown
- 1982-04-13 YU YU00803/82A patent/YU80382A/xx unknown
- 1982-04-13 ES ES511385A patent/ES8303858A1/es not_active Expired
- 1982-04-15 PT PT74762A patent/PT74762B/pt unknown
- 1982-04-15 BR BR8202162A patent/BR8202162A/pt unknown
- 1982-04-15 FR FR8206512A patent/FR2504333A1/fr not_active Withdrawn
- 1982-04-16 DE DE19823214099 patent/DE3214099A1/de not_active Withdrawn
- 1982-04-16 GB GB8211154A patent/GB2100094A/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2100094A (en) | 1982-12-15 |
IT8121227A0 (it) | 1981-04-16 |
PT74762B (en) | 1983-11-30 |
PT74762A (en) | 1982-05-01 |
ES511385A0 (es) | 1983-03-01 |
FR2504333A1 (pt) | 1982-10-22 |
IT1211024B (it) | 1989-09-29 |
GR76042B (pt) | 1984-08-03 |
YU80382A (en) | 1985-03-20 |
ES8303858A1 (es) | 1983-03-01 |
DE3214099A1 (de) | 1982-11-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MX147516A (es) | Mejoras a circuito de conferencia para un sistema conmutador de telecomunicaciones digital | |
KR840006418U (ko) | 슬라이드 스위치 | |
IT8312443A0 (it) | Dispositivo commutatore | |
IT1138554B (it) | Dispositivo elettronico di commutazione,di tipo analogico | |
AT374618B (de) | Schalteinrichtung | |
IT1159035B (it) | Circuito commutatore ad effetto di prossimita | |
KR840002443U (ko) | 슬라이드 스위치 | |
BE896365A (fr) | Circuit de commutation. | |
BR8303407A (pt) | Circuito bifalar para linha telefonica | |
NL192173B (nl) | PCM-schakelstelsel. | |
BR8200479A (pt) | Central de comutacao digital para sistemas de telecomunicacoes | |
AR209981A1 (es) | Circuito para conversacion,para centrales telefonicas de conmutacion de tipo numerico | |
AR228069A1 (es) | Circuito de conexion de abonado | |
BR8103787A (pt) | Circuito interuptor | |
ES284422Y (es) | Disposicion para aparatos interruptores de vaiven | |
BE896133A (fr) | Circuit de conference telephonique | |
BR8202162A (pt) | Circuito de conferencia para centrais telefonicas de comutacao do tipo numerico | |
BR8205022A (pt) | Circuito de conexao de assinantes | |
BR8104534A (pt) | Circuito talhador de comutacao livre | |
IT1168612B (it) | Circuito generatore di impulsi | |
MX143182A (es) | Mejoras en circuito de decision para sistemas de conmutacion telefonicos de division de tiempo | |
BE896037A (fr) | Circuit de conference numerique | |
AR226627A1 (es) | Interruptor para instalaciones electricas | |
KR840002445U (ko) | 슬라이드 스위치 | |
KR840006417U (ko) | 슬라이드 스위치 |