BE904100A - Systeme de commutation. - Google Patents
Systeme de commutation.Info
- Publication number
- BE904100A BE904100A BE2/60910A BE260910A BE904100A BE 904100 A BE904100 A BE 904100A BE 2/60910 A BE2/60910 A BE 2/60910A BE 260910 A BE260910 A BE 260910A BE 904100 A BE904100 A BE 904100A
- Authority
- BE
- Belgium
- Prior art keywords
- packets
- speed
- transmission
- switching
- switching system
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
- H04L49/102—Packet switching elements characterised by the switching fabric construction using shared medium, e.g. bus or ring
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
-
- 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
-
- 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
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0478—Provisions for broadband connections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
- H04L49/101—Packet switching elements characterised by the switching fabric construction using crossbar or matrix
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/25—Routing or path finding in a switch fabric
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Control Of Eletrric Generators (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Eye Examination Apparatus (AREA)
- Vehicle Body Suspensions (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Circuits Of Receivers In General (AREA)
- Transmitters (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Communication Control (AREA)
Abstract
Un système de commutation utilisant une technique de commutation asynchrone de paquets contenant des signaux de voix, des données ou de la vidéo. La vitesse de commutation est accrue grace au fait que le processeur (SPC) n'analyse que certaines paquets spéciaux et se trouve hors du chemin de transmission des paquets. Il peut donc traiter ces paquets spéciaux à une vitesse plus faible que la vitesse de transmission. Ce système comprend aussi un circuit correction d'en-tete (HC) qui augmente la qualité de la transmission.
Priority Applications (18)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2/60910A BE904100A (fr) | 1986-01-24 | 1986-01-24 | Systeme de commutation. |
AU66861/86A AU6686186A (en) | 1986-01-24 | 1986-12-22 | Switching system for packet data |
US07/004,367 US4813037A (en) | 1986-01-24 | 1987-01-15 | Switching system |
EP87901043A EP0290459A1 (fr) | 1986-01-24 | 1987-01-20 | Systeme de commutation |
PCT/EP1987/000027 WO1987004579A1 (fr) | 1986-01-24 | 1987-01-20 | Systeme de commutation |
KR1019870700866A KR880701048A (ko) | 1986-01-24 | 1987-01-20 | 스위칭 시스템 |
ES87200083T ES2022868B3 (es) | 1986-01-24 | 1987-01-20 | Sistema de conmutacion. |
AU70241/87A AU588441B2 (en) | 1986-01-24 | 1987-01-20 | Switching system |
JP87501162A JPH01501589A (ja) | 1986-01-24 | 1987-01-20 | スイッチングシステム |
EP87200083A EP0231967B1 (fr) | 1986-01-24 | 1987-01-20 | Système de commutation |
AT87200083T ATE62366T1 (de) | 1986-01-24 | 1987-01-20 | Vermittlungssystem. |
HU871038A HU203178B (en) | 1986-01-24 | 1987-01-20 | Switching system and method for switching digital signals converted into symbol sequences provided with a head of path information content |
DE8787200083T DE3768976D1 (de) | 1986-01-24 | 1987-01-20 | Vermittlungssystem. |
BR8707537A BR8707537A (pt) | 1986-01-24 | 1987-01-20 | Sistema de comutacao |
NO873612A NO873612L (no) | 1986-01-24 | 1987-08-27 | Svitsjesystem. |
DK501987A DK501987A (da) | 1986-01-24 | 1987-09-24 | Omskiftningssystem |
FI882784A FI90931C (fi) | 1986-01-24 | 1988-06-10 | Kytkentäjärjestelmä |
BG85005A BG49389A3 (en) | 1986-01-24 | 1988-07-20 | Switching system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2/60910A BE904100A (fr) | 1986-01-24 | 1986-01-24 | Systeme de commutation. |
Publications (1)
Publication Number | Publication Date |
---|---|
BE904100A true BE904100A (fr) | 1986-07-24 |
Family
ID=60152973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2/60910A BE904100A (fr) | 1986-01-24 | 1986-01-24 | Systeme de commutation. |
Country Status (16)
Country | Link |
---|---|
US (1) | US4813037A (fr) |
EP (2) | EP0231967B1 (fr) |
JP (1) | JPH01501589A (fr) |
KR (1) | KR880701048A (fr) |
AT (1) | ATE62366T1 (fr) |
AU (2) | AU6686186A (fr) |
BE (1) | BE904100A (fr) |
BG (1) | BG49389A3 (fr) |
BR (1) | BR8707537A (fr) |
DE (1) | DE3768976D1 (fr) |
DK (1) | DK501987A (fr) |
ES (1) | ES2022868B3 (fr) |
FI (1) | FI90931C (fr) |
HU (1) | HU203178B (fr) |
NO (1) | NO873612L (fr) |
WO (1) | WO1987004579A1 (fr) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988007298A1 (fr) * | 1987-03-18 | 1988-09-22 | Alcatel N.V. | Systeme de commutation |
WO1988007295A1 (fr) * | 1987-03-18 | 1988-09-22 | Alcatel N.V. | Reseau de communication |
WO1988005982A3 (fr) * | 1987-02-06 | 1988-12-29 | Fujitsu Ltd | Systeme de commutation a acheminement automatique |
US4916690A (en) * | 1987-05-07 | 1990-04-10 | Alcatel N.V. | Division multiplex packet switching circuit using a circular shift register |
WO1990007832A1 (fr) * | 1988-12-24 | 1990-07-12 | Alcatel N.V. | Systeme de commutation de communications |
EP0351818A3 (fr) * | 1988-07-22 | 1992-04-15 | Hitachi, Ltd. | Système de commutation ATM |
FR2670972A1 (fr) * | 1990-12-20 | 1992-06-26 | Lmt Radio Professionelle | Commutateur de transit d'un reseau asynchrone, notamment un reseau atm. |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2594615B1 (fr) * | 1986-02-20 | 1988-06-17 | France Etat | Dispositif de demultiplexage de paquets d'un signal de radiodiffusion de type mac/paquets |
JPS63161753A (ja) * | 1986-12-25 | 1988-07-05 | Nec Corp | パケツト交換機 |
BE1000258A6 (nl) * | 1987-01-16 | 1988-09-27 | Bell Telephone Mfg | Informatie-overdrachtsysteem. |
AU604444B2 (en) * | 1987-11-11 | 1990-12-13 | Nec Corporation | Frame relay type data switching apparatus |
BE1001414A6 (nl) * | 1987-12-23 | 1989-10-24 | Bell Telephone Mfg | Conditionele multiplexeerketen. |
US5268896A (en) * | 1988-03-26 | 1993-12-07 | Alcatel N.V. | Communication switching element |
US4899333A (en) * | 1988-03-31 | 1990-02-06 | American Telephone And Telegraph Company At&T Bell Laboratories | Architecture of the control of a high performance packet switching distribution network |
US5233603A (en) * | 1988-04-21 | 1993-08-03 | Nec Corporation | Packet switch suitable for integrated circuit implementation |
EP0338558B1 (fr) * | 1988-04-21 | 1995-09-13 | Nec Corporation | Commutateur de paquets propre à une mise en oeuvre avec des circuits intégrés |
JPH01270431A (ja) * | 1988-04-21 | 1989-10-27 | Nec Corp | 高速パケット交換スイッチ |
US5105424A (en) * | 1988-06-02 | 1992-04-14 | California Institute Of Technology | Inter-computer message routing system with each computer having separate routinng automata for each dimension of the network |
WO1990004316A1 (fr) * | 1988-10-03 | 1990-04-19 | Alcatel N.V. | Element de commutation de communications |
EP0442936A4 (en) * | 1988-11-10 | 1992-12-09 | Zigmantas Leonas Budrikis | Distributed router of connectionless packets over connection oriented networks |
DE3840688A1 (de) * | 1988-12-02 | 1990-06-13 | Standard Elektrik Lorenz Ag | Paketvermittlungsstelle und eingangs-umwandlungseinheit hierfuer |
JPH0758963B2 (ja) * | 1989-01-27 | 1995-06-21 | 日本電気株式会社 | セル交換装置 |
JP3071482B2 (ja) * | 1990-03-05 | 2000-07-31 | 日本電気株式会社 | パケット受信機の誤り訂正回路 |
DE4008080A1 (de) * | 1990-03-14 | 1991-09-19 | Standard Elektrik Lorenz Ag | Atm-vermittlungsstelle |
ES2076389T3 (es) * | 1990-03-14 | 1995-11-01 | Alcatel Nv | Elemento de conmutacion de tipo amt con varios modos de funcionamiento y red de conmutacion que lo comprende. |
WO1991015070A1 (fr) * | 1990-03-22 | 1991-10-03 | Australian And Overseas Telecommunications Corporation Limited | Procede de transmission a destinations multiples pour un reseau de telecommunications |
JPH0799831B2 (ja) * | 1990-10-08 | 1995-10-25 | 株式会社東芝 | Atm通信システム用単位セルスイッチ |
EP0528075A1 (fr) * | 1991-08-19 | 1993-02-24 | ALCATEL BELL Naamloze Vennootschap | Dispositif et procédé pour la mesure de l'efficacité d'une voie de télécommunication |
EP0562184B1 (fr) * | 1992-03-27 | 1998-10-28 | Alcatel | Appareil pour produire des paquets multidestinataires dans un système de commutation de paquets |
DE19511332A1 (de) * | 1995-03-28 | 1996-10-02 | Sel Alcatel Ag | Breitbandverteilsystem und Verfahren dazu |
US5699346A (en) * | 1995-11-17 | 1997-12-16 | Telecommunications Techniques Corporation | Measuring burst rate and burst size in ATM network virtual connections |
US5812528A (en) * | 1995-11-17 | 1998-09-22 | Telecommunications Techniques Corporation | Measuring round trip time in ATM network virtual connections |
US5764626A (en) * | 1995-11-17 | 1998-06-09 | Telecommunications Techniques Corporation | Rate-matched cell identification and modification, replacement, or insertion for test and measurement of ATM network virtual connections |
US5761191A (en) * | 1995-11-28 | 1998-06-02 | Telecommunications Techniques Corporation | Statistics collection for ATM networks |
DE19633498A1 (de) * | 1996-08-20 | 1998-04-02 | Eurescom Europ I For Research | Vorrichtung zur Übertragung von Datenpaketen |
US6473404B1 (en) * | 1998-11-24 | 2002-10-29 | Connect One, Inc. | Multi-protocol telecommunications routing optimization |
US6016307A (en) * | 1996-10-31 | 2000-01-18 | Connect One, Inc. | Multi-protocol telecommunications routing optimization |
GB2331659A (en) * | 1997-11-21 | 1999-05-26 | Ericsson Telefon Ab L M | Resource reservation |
FI106684B (fi) * | 1998-12-09 | 2001-03-15 | Nokia Networks Oy | Järjestelmä ja menetelmä tiedonkeruun optimoimiseksi |
US20030142678A1 (en) * | 2000-07-28 | 2003-07-31 | Chan Eric L. | Virtual path ring protection method and apparatus |
US20090109996A1 (en) * | 2007-10-29 | 2009-04-30 | Hoover Russell D | Network on Chip |
US20090125706A1 (en) * | 2007-11-08 | 2009-05-14 | Hoover Russell D | Software Pipelining on a Network on Chip |
US20090125703A1 (en) * | 2007-11-09 | 2009-05-14 | Mejdrich Eric O | Context Switching on a Network On Chip |
US8261025B2 (en) | 2007-11-12 | 2012-09-04 | International Business Machines Corporation | Software pipelining on a network on chip |
US8526422B2 (en) * | 2007-11-27 | 2013-09-03 | International Business Machines Corporation | Network on chip with partitions |
US7917703B2 (en) * | 2007-12-13 | 2011-03-29 | International Business Machines Corporation | Network on chip that maintains cache coherency with invalidate commands |
US8473667B2 (en) * | 2008-01-11 | 2013-06-25 | International Business Machines Corporation | Network on chip that maintains cache coherency with invalidation messages |
US8010750B2 (en) * | 2008-01-17 | 2011-08-30 | International Business Machines Corporation | Network on chip that maintains cache coherency with invalidate commands |
US8018466B2 (en) * | 2008-02-12 | 2011-09-13 | International Business Machines Corporation | Graphics rendering on a network on chip |
US7913010B2 (en) * | 2008-02-15 | 2011-03-22 | International Business Machines Corporation | Network on chip with a low latency, high bandwidth application messaging interconnect |
US8490110B2 (en) * | 2008-02-15 | 2013-07-16 | International Business Machines Corporation | Network on chip with a low latency, high bandwidth application messaging interconnect |
US20090245257A1 (en) * | 2008-04-01 | 2009-10-01 | International Business Machines Corporation | Network On Chip |
US20090260013A1 (en) * | 2008-04-14 | 2009-10-15 | International Business Machines Corporation | Computer Processors With Plural, Pipelined Hardware Threads Of Execution |
US8078850B2 (en) * | 2008-04-24 | 2011-12-13 | International Business Machines Corporation | Branch prediction technique using instruction for resetting result table pointer |
US8423715B2 (en) * | 2008-05-01 | 2013-04-16 | International Business Machines Corporation | Memory management among levels of cache in a memory hierarchy |
US20090282211A1 (en) * | 2008-05-09 | 2009-11-12 | International Business Machines | Network On Chip With Partitions |
US8214845B2 (en) * | 2008-05-09 | 2012-07-03 | International Business Machines Corporation | Context switching in a network on chip by thread saving and restoring pointers to memory arrays containing valid message data |
US7861065B2 (en) * | 2008-05-09 | 2010-12-28 | International Business Machines Corporation | Preferential dispatching of computer program instructions |
US8020168B2 (en) * | 2008-05-09 | 2011-09-13 | International Business Machines Corporation | Dynamic virtual software pipelining on a network on chip |
US7991978B2 (en) * | 2008-05-09 | 2011-08-02 | International Business Machines Corporation | Network on chip with low latency, high bandwidth application messaging interconnects that abstract hardware inter-thread data communications into an architected state of a processor |
US8494833B2 (en) * | 2008-05-09 | 2013-07-23 | International Business Machines Corporation | Emulating a computer run time environment |
US20090282419A1 (en) * | 2008-05-09 | 2009-11-12 | International Business Machines Corporation | Ordered And Unordered Network-Addressed Message Control With Embedded DMA Commands For A Network On Chip |
US8392664B2 (en) * | 2008-05-09 | 2013-03-05 | International Business Machines Corporation | Network on chip |
US7958340B2 (en) * | 2008-05-09 | 2011-06-07 | International Business Machines Corporation | Monitoring software pipeline performance on a network on chip |
US8040799B2 (en) * | 2008-05-15 | 2011-10-18 | International Business Machines Corporation | Network on chip with minimum guaranteed bandwidth for virtual communications channels |
US8230179B2 (en) * | 2008-05-15 | 2012-07-24 | International Business Machines Corporation | Administering non-cacheable memory load instructions |
US8438578B2 (en) * | 2008-06-09 | 2013-05-07 | International Business Machines Corporation | Network on chip with an I/O accelerator |
US8195884B2 (en) * | 2008-09-18 | 2012-06-05 | International Business Machines Corporation | Network on chip with caching restrictions for pages of computer memory |
US8625427B1 (en) | 2009-09-03 | 2014-01-07 | Brocade Communications Systems, Inc. | Multi-path switching with edge-to-edge flow control |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB210686A (en) * | 1923-05-18 | 1924-02-07 | Herbert Leslie Hobday | Improvements in and connected with the casting of dentures in metal |
US4201890A (en) * | 1978-03-17 | 1980-05-06 | International Telephone And Telegraph | Multiport digital switching element |
EP0097351A3 (fr) * | 1982-06-21 | 1986-02-26 | Nec Corporation | Unité d'acheminement et réseau d'acheminement pour la détermination d'une porte de sortie par la détection d'une partie d'un paquet d'entrée |
FR2538976A1 (fr) * | 1982-12-29 | 1984-07-06 | Servel Michel | Systeme de commutation de paquets synchrones de longueur fixe |
US4630258A (en) * | 1984-10-18 | 1986-12-16 | Hughes Aircraft Company | Packet switched multiport memory NXM switch node and processing method |
GB2166320B (en) * | 1984-10-25 | 1988-10-12 | Stc Plc | Packet switching system |
US4701906A (en) * | 1985-06-27 | 1987-10-20 | American Telephone And Telegraph Company, At&T Bell Laboratories | Packet switching network with multiple packet destinations |
US4720854A (en) * | 1985-12-17 | 1988-01-19 | American Telephone And Telegraph Company, At&T Bell Laboratories | Architecture for distributed control telecommunication systems |
US4712214A (en) * | 1986-01-10 | 1987-12-08 | International Business Machines Corporation | Protocol for handling transmission errors over asynchronous communication lines |
US4730305A (en) * | 1986-04-11 | 1988-03-08 | American Telephone And Telegraph Company, At&T Bell Laboratories | Fast assignment technique for use in a switching arrangement |
US4679190A (en) * | 1986-04-28 | 1987-07-07 | International Business Machines Corporation | Distributed voice-data switching on multi-stage interconnection networks |
-
1986
- 1986-01-24 BE BE2/60910A patent/BE904100A/fr not_active IP Right Cessation
- 1986-12-22 AU AU66861/86A patent/AU6686186A/en not_active Abandoned
-
1987
- 1987-01-15 US US07/004,367 patent/US4813037A/en not_active Expired - Lifetime
- 1987-01-20 EP EP87200083A patent/EP0231967B1/fr not_active Expired - Lifetime
- 1987-01-20 HU HU871038A patent/HU203178B/hu not_active IP Right Cessation
- 1987-01-20 JP JP87501162A patent/JPH01501589A/ja active Pending
- 1987-01-20 AT AT87200083T patent/ATE62366T1/de not_active IP Right Cessation
- 1987-01-20 KR KR1019870700866A patent/KR880701048A/ko not_active Application Discontinuation
- 1987-01-20 ES ES87200083T patent/ES2022868B3/es not_active Expired - Lifetime
- 1987-01-20 DE DE8787200083T patent/DE3768976D1/de not_active Expired - Lifetime
- 1987-01-20 WO PCT/EP1987/000027 patent/WO1987004579A1/fr active IP Right Grant
- 1987-01-20 AU AU70241/87A patent/AU588441B2/en not_active Ceased
- 1987-01-20 BR BR8707537A patent/BR8707537A/pt not_active IP Right Cessation
- 1987-01-20 EP EP87901043A patent/EP0290459A1/fr active Pending
- 1987-08-27 NO NO873612A patent/NO873612L/no unknown
- 1987-09-24 DK DK501987A patent/DK501987A/da not_active Application Discontinuation
-
1988
- 1988-06-10 FI FI882784A patent/FI90931C/fi not_active IP Right Cessation
- 1988-07-20 BG BG85005A patent/BG49389A3/xx unknown
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1988005982A3 (fr) * | 1987-02-06 | 1988-12-29 | Fujitsu Ltd | Systeme de commutation a acheminement automatique |
US4993018A (en) * | 1987-02-06 | 1991-02-12 | Fujitsu Limited | Self-routing switching system with multiple link connections between incoming and outgoing lines |
WO1988007298A1 (fr) * | 1987-03-18 | 1988-09-22 | Alcatel N.V. | Systeme de commutation |
WO1988007295A1 (fr) * | 1987-03-18 | 1988-09-22 | Alcatel N.V. | Reseau de communication |
US4916690A (en) * | 1987-05-07 | 1990-04-10 | Alcatel N.V. | Division multiplex packet switching circuit using a circular shift register |
EP0351818A3 (fr) * | 1988-07-22 | 1992-04-15 | Hitachi, Ltd. | Système de commutation ATM |
EP0809381A1 (fr) * | 1988-07-22 | 1997-11-26 | Hitachi, Ltd. | Système de commutation ATM |
WO1990007832A1 (fr) * | 1988-12-24 | 1990-07-12 | Alcatel N.V. | Systeme de commutation de communications |
US5173901A (en) * | 1988-12-24 | 1992-12-22 | Alcatel N.V. | Communication system for transmitting synchronous and asynchronous cell streams over a single transmission link |
FR2670972A1 (fr) * | 1990-12-20 | 1992-06-26 | Lmt Radio Professionelle | Commutateur de transit d'un reseau asynchrone, notamment un reseau atm. |
EP0493233A1 (fr) * | 1990-12-20 | 1992-07-01 | Thomson-Csf | Commutateur de transit d'un réseau asynchrone, notamment un réseau ATM |
US5381410A (en) * | 1990-12-20 | 1995-01-10 | Thomson-Csf | Transit switch for an asynchronous network, notably an ATM network |
Also Published As
Publication number | Publication date |
---|---|
US4813037A (en) | 1989-03-14 |
FI90931B (fi) | 1993-12-31 |
KR880701048A (ko) | 1988-04-22 |
FI882784A (fi) | 1988-06-10 |
NO873612D0 (no) | 1987-08-27 |
AU588441B2 (en) | 1989-09-14 |
BG49389A3 (en) | 1991-10-15 |
EP0290459A1 (fr) | 1988-11-17 |
AU6686186A (en) | 1987-07-30 |
HU203178B (en) | 1991-05-28 |
JPH01501589A (ja) | 1989-06-01 |
FI882784A0 (fi) | 1988-06-10 |
WO1987004579A1 (fr) | 1987-07-30 |
DK501987A (da) | 1987-11-17 |
BR8707537A (pt) | 1989-02-21 |
DK501987D0 (da) | 1987-09-24 |
EP0231967B1 (fr) | 1991-04-03 |
AU7024187A (en) | 1987-08-14 |
ES2022868B3 (es) | 1991-12-16 |
ATE62366T1 (de) | 1991-04-15 |
NO873612L (no) | 1987-08-27 |
FI90931C (fi) | 1994-04-11 |
EP0231967A1 (fr) | 1987-08-12 |
HUT47771A (en) | 1989-03-28 |
DE3768976D1 (de) | 1991-05-08 |
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Owner name: *BELL TELEPHONE MFG CY N.V. Effective date: 19860124 |
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RE | Patent lapsed |
Owner name: ALCATEL BEL Effective date: 19990131 |