NL189590B - Tijdmultiplex-schakelnetwerk. - Google Patents
Tijdmultiplex-schakelnetwerk.Info
- Publication number
- NL189590B NL189590B NLAANVRAGE8201679,A NL8201679A NL189590B NL 189590 B NL189590 B NL 189590B NL 8201679 A NL8201679 A NL 8201679A NL 189590 B NL189590 B NL 189590B
- Authority
- NL
- Netherlands
- Prior art keywords
- switch network
- time multiplex
- multiplex switch
- time
- network
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0407—Selecting arrangements for multiplex systems for time-division multiplexing using a stored programme control
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25693781 | 1981-04-23 | ||
US06/256,937 US4389720A (en) | 1981-04-23 | 1981-04-23 | Distributed digital conferencing system |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8201679A NL8201679A (nl) | 1982-11-16 |
NL189590B true NL189590B (nl) | 1992-12-16 |
NL189590C NL189590C (nl) | 1993-05-17 |
Family
ID=22974216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE8201679,A NL189590C (nl) | 1981-04-23 | 1982-04-22 | Tijdmultiplex-schakelnetwerk. |
Country Status (16)
Country | Link |
---|---|
US (1) | US4389720A (nl) |
JP (2) | JPS57206191A (nl) |
AU (1) | AU547542B2 (nl) |
BE (1) | BE892930A (nl) |
CA (1) | CA1166365A (nl) |
CH (1) | CH636488A5 (nl) |
DE (1) | DE3214152A1 (nl) |
ES (1) | ES511599A0 (nl) |
FR (1) | FR2504762A1 (nl) |
GB (1) | GB2097634B (nl) |
HK (1) | HK7186A (nl) |
IE (1) | IE52881B1 (nl) |
IL (1) | IL65532A (nl) |
IT (1) | IT1206096B (nl) |
NL (1) | NL189590C (nl) |
SE (1) | SE445870B (nl) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU537749B2 (en) * | 1980-02-20 | 1984-07-12 | Gec Plessey Telecommunications Limited | Digital telephone exchange with fast control signal processor. |
US4475189A (en) * | 1982-05-27 | 1984-10-02 | At&T Bell Laboratories | Automatic interactive conference arrangement |
US4499578A (en) * | 1982-05-27 | 1985-02-12 | At&T Bell Laboratories | Method and apparatus for controlling signal level in a digital conference arrangement |
US4475190A (en) * | 1982-05-27 | 1984-10-02 | At&T Bell Laboratories | Method and apparatus for controlling ports in a digital conference arrangement |
US4499577A (en) * | 1982-10-18 | 1985-02-12 | At&T Bell Laboratories | Linear time division multiplexed conferencer for data transfer applications |
US4612809A (en) * | 1982-10-22 | 1986-09-23 | Sound Products Company, L.P. | Curved-array ultrasonic probe using low-velocity fluid |
US4535448A (en) * | 1982-12-10 | 1985-08-13 | At&T Bell Laboratories | Dual bus communication system |
US4853956A (en) * | 1983-05-20 | 1989-08-01 | American Telephone And Telegraph Company | Communication system distributed processing message delivery system |
US4547878A (en) * | 1983-06-28 | 1985-10-15 | Rockwell International Corporation | Non-linear adder |
US4535454A (en) * | 1983-09-15 | 1985-08-13 | At&T Information Systems Inc. | Multifrequency tone distribution using a conferencing arrangement |
US4558180A (en) * | 1983-10-25 | 1985-12-10 | At&T Bell Laboratories | Programmable audio mixer |
US4788657A (en) * | 1983-12-27 | 1988-11-29 | American Telephone And Telegraph Company | Communication system having reconfigurable data terminals |
GB2157129A (en) * | 1984-04-06 | 1985-10-16 | Standard Telephones Cables Ltd | Conference circuit |
US4577310A (en) * | 1984-05-16 | 1986-03-18 | Tie/Communications, Inc. | Station interface for digital electronic telephone switching system having centralized digital audio processor |
US4606021A (en) * | 1984-08-17 | 1986-08-12 | Itt Corporation | Digital conference circuit |
US4640992A (en) * | 1984-09-10 | 1987-02-03 | At&T Information Systems Inc. | Speech response interface circuit |
US4639910A (en) * | 1984-12-14 | 1987-01-27 | Itt Corporation | Apparatus for establishing communication paths |
EP0185936B1 (de) * | 1984-12-14 | 1993-01-13 | Alcatel N.V. | Schnittstellenbaustein zur Verbindung von Datenquellen mit Datensenken und Vermittlungssysteme mit solchen Schnittstellenbausteinen |
US4809270A (en) * | 1984-12-21 | 1989-02-28 | AT&T Information Systems Inc. American Telephone and Telegraph Company | Variable time slot communication system |
US4654845A (en) * | 1985-03-18 | 1987-03-31 | At&T | Parallel call processing system and method |
US4653090A (en) * | 1985-12-16 | 1987-03-24 | American Telephone & Telegraph (At&T) | Graphics based call management |
US4852085A (en) * | 1986-05-02 | 1989-07-25 | Datos Corporation | Expandable digital switching matrix with fault-tolerance and minimum delay time |
US4817086A (en) * | 1986-08-27 | 1989-03-28 | American Telephone And Telegraph Company | Integrated switching system and announcement circuit |
US4791660A (en) * | 1986-08-27 | 1988-12-13 | American Telephone And Telegraph Company | Variable data compression announcement circuit |
US4805094A (en) * | 1986-08-27 | 1989-02-14 | American Telephone & Telegraph Company | Multi-channel memory access circuit |
US4797877A (en) * | 1986-12-18 | 1989-01-10 | American Telephone And Telegraph Company | Communication system dynamic conferencer circuit |
JPH02131646A (ja) * | 1988-11-11 | 1990-05-21 | Mitsubishi Electric Corp | 通信制御装置 |
US4962497A (en) * | 1989-09-21 | 1990-10-09 | At&T Bell Laboratories | Building-block architecture of a multi-node circuit-and packet-switching system |
US5093827A (en) * | 1989-09-21 | 1992-03-03 | At&T Bell Laboratories | Control architecture of a multi-node circuit- and packet-switching system |
JPH03166894A (ja) * | 1989-11-27 | 1991-07-18 | Matsushita Electric Ind Co Ltd | ボタン電話装置 |
AU642220B2 (en) * | 1990-03-07 | 1993-10-14 | Telstra Corporation Limited | A telecommunications device |
US5276678A (en) * | 1990-06-18 | 1994-01-04 | Intelect, Inc. | Distributed switching and telephone conferencing system |
US5420860A (en) * | 1990-06-18 | 1995-05-30 | Intelect, Inc. | Volume control for digital communication system |
US5127001A (en) * | 1990-06-22 | 1992-06-30 | Unisys Corporation | Conference call arrangement for distributed network |
CA2077061C (en) * | 1991-11-22 | 1998-04-21 | Mark J. Baugher | Scheduling system for distributed multimedia resources |
CA2095755C (en) * | 1992-08-17 | 1999-01-26 | Mark J. Baugher | Network priority management |
GB2284968A (en) * | 1993-12-18 | 1995-06-21 | Ibm | Audio conferencing system |
US7058067B1 (en) | 1995-03-13 | 2006-06-06 | Cisco Technology, Inc. | Distributed interactive multimedia system architecture |
US5838683A (en) | 1995-03-13 | 1998-11-17 | Selsius Systems Inc. | Distributed interactive multimedia system architecture |
US5564027A (en) * | 1995-04-20 | 1996-10-08 | International Business Machines Corporation | Low latency cadence selectable interface for data transfers between busses of differing frequencies |
US5867484A (en) * | 1997-01-31 | 1999-02-02 | Intellect Network Technologies | Switchable multi-drop video distribution system |
US6181707B1 (en) | 1997-04-04 | 2001-01-30 | Clear Com | Intercom system having unified control and audio data transport |
US7085237B1 (en) | 2000-03-31 | 2006-08-01 | Alcatel | Method and apparatus for routing alarms in a signaling server |
US6977926B1 (en) * | 2000-03-31 | 2005-12-20 | Alcatel | Method and system for providing a feedback signal in a telecommunications network |
US7209492B2 (en) * | 2002-04-15 | 2007-04-24 | Alcatel | DSO timing source transient compensation |
US20070047712A1 (en) * | 2003-03-07 | 2007-03-01 | Cirrus Logic, Inc. | Scalable, distributed architecture for fully connected network intercom system |
DE102004009314A1 (de) * | 2004-02-26 | 2005-09-08 | Sennheiser Electronic Gmbh & Co. Kg | Konferenzsystem |
US8014418B2 (en) * | 2006-09-25 | 2011-09-06 | Intel Corporation | Allocating burst data units to available time-slots |
US8311085B2 (en) | 2009-04-14 | 2012-11-13 | Clear-Com Llc | Digital intercom network over DC-powered microphone cable |
US9639906B2 (en) | 2013-03-12 | 2017-05-02 | Hm Electronics, Inc. | System and method for wideband audio communication with a quick service restaurant drive-through intercom |
DE102013020532A1 (de) * | 2013-12-12 | 2015-06-18 | Gea Refrigeration Germany Gmbh | Verdichter |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH517419A (de) * | 1970-12-24 | 1971-12-31 | Ibm | Zeitmultiplex-Vermittlungseinrichtung |
FR2330237A1 (fr) * | 1975-10-28 | 1977-05-27 | Thomson Csf | Circuit de commutation telephonique et autocommutateur comprenant un tel circuit |
US4051358A (en) * | 1976-02-20 | 1977-09-27 | Intel Corporation | Apparatus and method for composing digital information on a data bus |
US4059735A (en) * | 1976-11-18 | 1977-11-22 | Ncr Corporation | Digital conference system |
US4112490A (en) * | 1976-11-24 | 1978-09-05 | Intel Corporation | Data transfer control apparatus and method |
US4112258A (en) * | 1977-10-12 | 1978-09-05 | Bell Telephone Laboratories, Incorporated | Communication system using intelligent network processor |
US4119807A (en) * | 1977-06-13 | 1978-10-10 | Rca Corporation | Digital time division multiplex switching system |
JPS5919506B2 (ja) * | 1978-04-14 | 1984-05-07 | 株式会社東芝 | 電話交換機 |
US4229814A (en) * | 1978-07-21 | 1980-10-21 | E-Systems, Inc. | Multiplex conference bridge |
US4225956A (en) * | 1978-08-28 | 1980-09-30 | E-Systems, Inc. | Multiplex conference bridge |
FR2454242B1 (fr) * | 1978-12-26 | 1986-02-14 | Servel Michel | Reseau de commutation multiplex a division du temps dans lequel la memoire tampon est associative, a circulation et en forme de dispositif a charges couplees |
US4228536A (en) * | 1979-05-29 | 1980-10-14 | Redcom Laboratories, Inc. | Time division digital communication system |
US4274155A (en) * | 1979-08-06 | 1981-06-16 | Gte Automatic Electric Laboratories Inc. | Multiport conference circuit with multi-frame summing and voice level coding |
US4340960A (en) * | 1980-07-25 | 1982-07-20 | Bell Telephone Laboratories, Incorporated | Time division switching system |
-
1981
- 1981-04-23 US US06/256,937 patent/US4389720A/en not_active Expired - Lifetime
-
1982
- 1982-04-07 CA CA000400615A patent/CA1166365A/en not_active Expired
- 1982-04-07 SE SE8202235A patent/SE445870B/sv not_active IP Right Cessation
- 1982-04-15 GB GB8210964A patent/GB2097634B/en not_active Expired
- 1982-04-17 DE DE19823214152 patent/DE3214152A1/de active Granted
- 1982-04-19 IL IL65532A patent/IL65532A/xx unknown
- 1982-04-19 FR FR8206662A patent/FR2504762A1/fr active Granted
- 1982-04-22 NL NLAANVRAGE8201679,A patent/NL189590C/nl not_active IP Right Cessation
- 1982-04-22 IE IE256937A patent/IE52881B1/en unknown
- 1982-04-22 AU AU82934/82A patent/AU547542B2/en not_active Expired
- 1982-04-22 BE BE0/207894A patent/BE892930A/fr not_active IP Right Cessation
- 1982-04-22 ES ES511599A patent/ES511599A0/es active Granted
- 1982-04-22 IT IT8220886A patent/IT1206096B/it active
- 1982-04-23 JP JP57067538A patent/JPS57206191A/ja active Pending
- 1982-04-23 CH CH249182A patent/CH636488A5/de not_active IP Right Cessation
-
1986
- 1986-01-30 HK HK71/86A patent/HK7186A/xx not_active IP Right Cessation
-
1989
- 1989-11-20 JP JP1989134804U patent/JPH0537573Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
HK7186A (en) | 1986-02-07 |
IL65532A (en) | 1985-03-31 |
IE820950L (en) | 1982-10-23 |
CH636488A5 (de) | 1983-05-31 |
DE3214152C2 (nl) | 1987-06-19 |
BE892930A (fr) | 1982-08-16 |
JPH0277959U (nl) | 1990-06-14 |
IT1206096B (it) | 1989-04-14 |
SE445870B (sv) | 1986-07-21 |
JPS57206191A (en) | 1982-12-17 |
ES8308189A1 (es) | 1983-08-01 |
FR2504762A1 (fr) | 1982-10-29 |
SE8202235L (sv) | 1982-10-24 |
NL8201679A (nl) | 1982-11-16 |
AU547542B2 (en) | 1985-10-24 |
CA1166365A (en) | 1984-04-24 |
GB2097634B (en) | 1984-11-21 |
FR2504762B1 (nl) | 1984-04-06 |
JPH0537573Y2 (nl) | 1993-09-22 |
AU8293482A (en) | 1982-10-28 |
ES511599A0 (es) | 1983-08-01 |
IT8220886A0 (it) | 1982-04-22 |
GB2097634A (en) | 1982-11-03 |
US4389720A (en) | 1983-06-21 |
IL65532A0 (en) | 1982-07-30 |
DE3214152A1 (de) | 1982-11-11 |
IE52881B1 (en) | 1988-03-30 |
NL189590C (nl) | 1993-05-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V4 | Discontinued because of reaching the maximum lifetime of a patent |
Free format text: 20020422 |