AU497812B2 - Digital telephone exchange conference circuit - Google Patents
Digital telephone exchange conference circuitInfo
- Publication number
- AU497812B2 AU497812B2 AU16365/76A AU1636576A AU497812B2 AU 497812 B2 AU497812 B2 AU 497812B2 AU 16365/76 A AU16365/76 A AU 16365/76A AU 1636576 A AU1636576 A AU 1636576A AU 497812 B2 AU497812 B2 AU 497812B2
- Authority
- AU
- Australia
- Prior art keywords
- telephone exchange
- digital telephone
- conference circuit
- exchange conference
- 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.)
- Expired
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
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITIT25950A/ | 1975-07-31 | ||
IT25950/75A IT1040208B (it) | 1975-07-31 | 1975-07-31 | Circuito cnferenza per centrali telefonische di commutazione di tipo numperico |
Publications (2)
Publication Number | Publication Date |
---|---|
AU1636576A AU1636576A (en) | 1978-02-02 |
AU497812B2 true AU497812B2 (en) | 1979-01-11 |
Family
ID=11218237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU16365/76A Expired AU497812B2 (en) | 1975-07-31 | 1976-07-29 | Digital telephone exchange conference circuit |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5218108A (de) |
AR (1) | AR209981A1 (de) |
AU (1) | AU497812B2 (de) |
BR (1) | BR7604885A (de) |
DE (1) | DE2634345A1 (de) |
FR (1) | FR2320015A1 (de) |
GB (1) | GB1528240A (de) |
IN (1) | IN143837B (de) |
IT (1) | IT1040208B (de) |
NL (1) | NL7608295A (de) |
SE (1) | SE7608445L (de) |
TR (1) | TR19323A (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4112258A (en) * | 1977-10-12 | 1978-09-05 | Bell Telephone Laboratories, Incorporated | Communication system using intelligent network processor |
USRE31651E (en) * | 1977-10-12 | 1984-08-21 | Bell Telephone Laboratories, Incorporated | Communication system using intelligent network processor |
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 |
US4408323A (en) | 1981-06-29 | 1983-10-04 | Bell Telephone Laboratories, Incorporated | Processor facilities for integrated packet and voice switching |
GB2103848B (en) * | 1981-08-20 | 1985-04-11 | Standard Telephones Cables Ltd | Pcm system |
FR2524750A1 (fr) * | 1982-03-30 | 1983-10-07 | Telecommunications Sa | Systeme de visioconference multisalle |
FR2533784B1 (fr) * | 1982-09-28 | 1989-06-30 | Thomson Csf Mat Tel | Dispositif de conferences multiples pour autocommutateur temporel mic avec reseau de connexion |
GB2128448B (en) * | 1982-10-08 | 1985-11-13 | Standard Telephones Cables Ltd | Telephone exchange conference circuit |
-
1975
- 1975-07-31 IT IT25950/75A patent/IT1040208B/it active
-
1976
- 1976-06-16 IN IN1055/CAL/76A patent/IN143837B/en unknown
- 1976-07-15 TR TR19323A patent/TR19323A/xx unknown
- 1976-07-19 FR FR7621920A patent/FR2320015A1/fr active Granted
- 1976-07-26 SE SE7608445A patent/SE7608445L/xx unknown
- 1976-07-27 NL NL7608295A patent/NL7608295A/xx not_active Application Discontinuation
- 1976-07-28 BR BR7604885A patent/BR7604885A/pt unknown
- 1976-07-29 AR AR264137A patent/AR209981A1/es active
- 1976-07-29 JP JP51089769A patent/JPS5218108A/ja active Pending
- 1976-07-29 AU AU16365/76A patent/AU497812B2/en not_active Expired
- 1976-07-30 DE DE19762634345 patent/DE2634345A1/de not_active Withdrawn
- 1976-08-02 GB GB32050/76A patent/GB1528240A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1528240A (en) | 1978-10-11 |
AR209981A1 (es) | 1977-06-15 |
NL7608295A (nl) | 1977-02-02 |
DE2634345A1 (de) | 1977-02-17 |
IN143837B (de) | 1978-02-11 |
IT1040208B (it) | 1979-12-20 |
BR7604885A (pt) | 1977-08-09 |
FR2320015A1 (fr) | 1977-02-25 |
FR2320015B1 (de) | 1981-09-25 |
AU1636576A (en) | 1978-02-02 |
JPS5218108A (en) | 1977-02-10 |
SE7608445L (sv) | 1977-05-09 |
TR19323A (tr) | 1978-11-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5250105A (en) | Conference telephone system | |
CA978480A (en) | Loudspeaking telephone station circuit | |
JPS5234606A (en) | Telephone switching system | |
JPS51131202A (en) | Communication circuit network | |
CA1026028A (en) | Loudspeaking telephone circuit | |
JPS5561167A (en) | Digital conference telephone circuit | |
EG13290A (en) | Digital multiton generator for telephone dialing | |
GB1542700A (en) | Loudspeaking telephone | |
CA925233A (en) | Subscriber telephone circuit | |
AU502746B2 (en) | Ring tripdetectors in telephone exchanges | |
AU497007B2 (en) | Telephone amplifier circuit | |
PT65339A (en) | Electronic telephone network | |
GB2040643B (en) | Digital conference circuits | |
GB1442238A (en) | Digital conference circuit | |
AU497812B2 (en) | Digital telephone exchange conference circuit | |
CA1017087A (en) | Electronic telephone subscriber set | |
AU507695B2 (en) | Video switching circuit | |
AU504954B2 (en) | Digital switching centre | |
CA1028076A (en) | Muting circuit for subscribers telephone | |
AU509833B2 (en) | Telephone Handset Holding Means | |
AU500222B2 (en) | Feeding arrangement fora telephone line circuit | |
AU500321B2 (en) | Telephone microphone | |
JPS51139711A (en) | Telephone switching system | |
AU501744B2 (en) | Electronic switching networks | |
CA1031462A (en) | Frequency-signalling circuit for a telephone |