DK0518926T3 - Kommunikationsanlæg - Google Patents

Kommunikationsanlæg

Info

Publication number
DK0518926T3
DK0518926T3 DK91905390.0T DK91905390T DK0518926T3 DK 0518926 T3 DK0518926 T3 DK 0518926T3 DK 91905390 T DK91905390 T DK 91905390T DK 0518926 T3 DK0518926 T3 DK 0518926T3
Authority
DK
Denmark
Prior art keywords
pct
transceivers
sec
control module
date
Prior art date
Application number
DK91905390.0T
Other languages
Danish (da)
English (en)
Inventor
Robert Edmund Todd
Original Assignee
Cedardell Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27264964&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0518926(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB909004828A external-priority patent/GB9004828D0/en
Priority claimed from GB9023736A external-priority patent/GB9023736D0/en
Application filed by Cedardell Ltd filed Critical Cedardell Ltd
Application granted granted Critical
Publication of DK0518926T3 publication Critical patent/DK0518926T3/da

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24Cell structures
    • H04W16/26Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks
DK91905390.0T 1990-03-03 1991-03-04 Kommunikationsanlæg DK0518926T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB909004828A GB9004828D0 (en) 1990-03-03 1990-03-03 Combined alarm and active security system for commercial and domestic property
GB909022698A GB9022698D0 (en) 1990-03-03 1990-10-18 Security arrangement
GB9023736A GB9023736D0 (en) 1990-03-03 1990-11-01 Communications system

Publications (1)

Publication Number Publication Date
DK0518926T3 true DK0518926T3 (da) 1995-12-18

Family

ID=27264964

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91905390.0T DK0518926T3 (da) 1990-03-03 1991-03-04 Kommunikationsanlæg

Country Status (11)

Country Link
US (1) US5465081A (de)
EP (1) EP0518926B1 (de)
JP (1) JP3037750B2 (de)
AT (1) ATE126617T1 (de)
AU (1) AU647467B2 (de)
CA (1) CA2077458C (de)
DE (1) DE69112204T2 (de)
DK (1) DK0518926T3 (de)
ES (1) ES2078513T3 (de)
GR (1) GR3017790T3 (de)
WO (1) WO1991014244A1 (de)

Families Citing this family (152)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7606575B2 (en) * 1988-08-04 2009-10-20 Broadcom Corporation Remote radio data communication system with data rate switching
US20010050943A1 (en) * 1989-08-03 2001-12-13 Mahany Ronald L. Radio frequency communication network having adaptive communication parameters
US7415548B2 (en) 1991-05-13 2008-08-19 Broadcom Corporation Communication network having a plurality of bridging nodes which transmits a polling message with backward learning technique to determine communication pathway
US6374311B1 (en) * 1991-10-01 2002-04-16 Intermec Ip Corp. Communication network having a plurality of bridging nodes which transmit a beacon to terminal nodes in power saving state that it has messages awaiting delivery
US6407991B1 (en) 1993-05-06 2002-06-18 Intermec Ip Corp. Communication network providing wireless and hard-wired dynamic routing
CA2120520A1 (en) * 1991-10-01 1993-04-15 Robert C. Meier A radio frequency local area network
US7917145B2 (en) 1992-11-02 2011-03-29 Broadcom Corporation Radio frequency local area network
US6208694B1 (en) 1995-08-17 2001-03-27 Pittway Corp. Reduced power supervisory message transmission in a wireless alarm system
US6288639B1 (en) 1995-08-17 2001-09-11 Pittway Corporation Low power installation of wireless security system devices
US5978379A (en) 1997-01-23 1999-11-02 Gadzoox Networks, Inc. Fiber channel learning bridge, learning half bridge, and protocol
WO1998042096A2 (en) * 1997-03-17 1998-09-24 Ge-Harris Railways Electronics, L.L.C. A communications system and method for interconnected networks h aving a linear topology, especially railways
EP0874341B1 (de) * 1997-04-21 2003-08-27 Honeywell International Inc. Installierung und Überwachung von drahtlosen Sicherheitseinrichtungen mit reduzierter Energie
CA2287304C (en) 1998-03-03 2003-10-21 Itron, Inc. Method and system for reading intelligent utility meters
AU1443400A (en) * 1998-10-06 2000-04-26 Slc Technologies, Inc. Wireless home fire and security alarm system
US7430171B2 (en) 1998-11-19 2008-09-30 Broadcom Corporation Fibre channel arbitrated loop bufferless switch circuitry to increase bandwidth without significant increase in cost
JP4352497B2 (ja) * 1999-03-24 2009-10-28 ソニー株式会社 無線伝送方法及び無線伝送装置
US6424177B1 (en) * 1999-06-28 2002-07-23 Broadcom Corporation Universal single-ended parallel bus
US6911855B2 (en) 1999-06-28 2005-06-28 Broadcom Corporation Current-controlled CMOS circuit using higher voltage supply in low voltage CMOS process
US6897697B2 (en) 1999-06-28 2005-05-24 Broadcom Corporation Current-controlled CMOS circuit using higher voltage supply in low voltage CMOS process
US6424194B1 (en) 1999-06-28 2002-07-23 Broadcom Corporation Current-controlled CMOS logic family
US6505475B1 (en) 1999-08-20 2003-01-14 Hudson Technologies Inc. Method and apparatus for measuring and improving efficiency in refrigeration systems
GB9919920D0 (en) * 1999-08-24 1999-10-27 Cedardell Ltd Apparatus and method for wireless communication
GB9920015D0 (en) 1999-08-25 1999-10-27 Cedardell Ltd Automatic installation process for wireless communication system
US6340899B1 (en) 2000-02-24 2002-01-22 Broadcom Corporation Current-controlled CMOS circuits with inductive broadbanding
US6647735B2 (en) 2000-03-14 2003-11-18 Hussmann Corporation Distributed intelligence control for commercial refrigeration
US6332327B1 (en) 2000-03-14 2001-12-25 Hussmann Corporation Distributed intelligence control for commercial refrigeration
US7047753B2 (en) 2000-03-14 2006-05-23 Hussmann Corporation Refrigeration system and method of operating the same
US6999996B2 (en) * 2000-03-14 2006-02-14 Hussmann Corporation Communication network and method of communicating data on the same
US6973794B2 (en) * 2000-03-14 2005-12-13 Hussmann Corporation Refrigeration system and method of operating the same
US7000422B2 (en) 2000-03-14 2006-02-21 Hussmann Corporation Refrigeration system and method of configuring the same
WO2001077764A2 (en) 2000-04-10 2001-10-18 Zensys A/S Rf home automation system comprising replicable controllers
US6864558B2 (en) * 2001-05-17 2005-03-08 Broadcom Corporation Layout technique for C3MOS inductive broadbanding
US7212534B2 (en) 2001-07-23 2007-05-01 Broadcom Corporation Flow based congestion control
US6624699B2 (en) * 2001-10-25 2003-09-23 Broadcom Corporation Current-controlled CMOS wideband data amplifier circuits
KR20030054451A (ko) * 2001-12-26 2003-07-02 한국항공우주연구원 통신제어채널을 이용한 다기기간 통신방법
US6658091B1 (en) 2002-02-01 2003-12-02 @Security Broadband Corp. LIfestyle multimedia security system
US7295555B2 (en) 2002-03-08 2007-11-13 Broadcom Corporation System and method for identifying upper layer protocol message boundaries
US7346701B2 (en) 2002-08-30 2008-03-18 Broadcom Corporation System and method for TCP offload
US7934021B2 (en) 2002-08-29 2011-04-26 Broadcom Corporation System and method for network interfacing
US7411959B2 (en) 2002-08-30 2008-08-12 Broadcom Corporation System and method for handling out-of-order frames
US7313623B2 (en) 2002-08-30 2007-12-25 Broadcom Corporation System and method for TCP/IP offload independent of bandwidth delay product
US8180928B2 (en) 2002-08-30 2012-05-15 Broadcom Corporation Method and system for supporting read operations with CRC for iSCSI and iSCSI chimney
US7019639B2 (en) * 2003-02-03 2006-03-28 Ingrid, Inc. RFID based security network
US7023341B2 (en) * 2003-02-03 2006-04-04 Ingrid, Inc. RFID reader for a security network
US7119658B2 (en) 2003-02-03 2006-10-10 Ingrid, Inc. Device enrollment in a security system
US7042353B2 (en) 2003-02-03 2006-05-09 Ingrid, Inc. Cordless telephone system
US7532114B2 (en) 2003-02-03 2009-05-12 Ingrid, Inc. Fixed part-portable part communications network for a security network
US7283048B2 (en) 2003-02-03 2007-10-16 Ingrid, Inc. Multi-level meshed security network
US6888459B2 (en) * 2003-02-03 2005-05-03 Louis A. Stilp RFID based security system
US7057512B2 (en) 2003-02-03 2006-06-06 Ingrid, Inc. RFID reader for a security system
US7495544B2 (en) 2003-02-03 2009-02-24 Ingrid, Inc. Component diversity in a RFID security network
US7511614B2 (en) 2003-02-03 2009-03-31 Ingrid, Inc. Portable telephone in a security network
US7053764B2 (en) * 2003-02-03 2006-05-30 Ingrid, Inc. Controller for a security system
US7091827B2 (en) 2003-02-03 2006-08-15 Ingrid, Inc. Communications control in a security system
US7079020B2 (en) * 2003-02-03 2006-07-18 Ingrid, Inc. Multi-controller security network
US7079034B2 (en) 2003-02-03 2006-07-18 Ingrid, Inc. RFID transponder for a security system
DE10317962A1 (de) * 2003-04-17 2004-11-25 Siemens Ag Verfahren zur Anmeldung eines neuen Teilnehmers in einem Funksystem einer Gefahrenmeldeanlage
US9609003B1 (en) 2007-06-12 2017-03-28 Icontrol Networks, Inc. Generating risk profile using data of home monitoring and security system
US20160065414A1 (en) 2013-06-27 2016-03-03 Ken Sundermeyer Control system user interface
US10721087B2 (en) 2005-03-16 2020-07-21 Icontrol Networks, Inc. Method for networked touchscreen with integrated interfaces
US11368327B2 (en) 2008-08-11 2022-06-21 Icontrol Networks, Inc. Integrated cloud system for premises automation
US10380871B2 (en) 2005-03-16 2019-08-13 Icontrol Networks, Inc. Control system user interface
US9531593B2 (en) 2007-06-12 2016-12-27 Icontrol Networks, Inc. Takeover processes in security network integrated with premise security system
US10142392B2 (en) 2007-01-24 2018-11-27 Icontrol Networks, Inc. Methods and systems for improved system performance
US11368429B2 (en) 2004-03-16 2022-06-21 Icontrol Networks, Inc. Premises management configuration and control
US20090077623A1 (en) 2005-03-16 2009-03-19 Marc Baum Security Network Integrating Security System and Network Devices
US10375253B2 (en) 2008-08-25 2019-08-06 Icontrol Networks, Inc. Security system with networked touchscreen and gateway
US10127802B2 (en) 2010-09-28 2018-11-13 Icontrol Networks, Inc. Integrated security system with parallel processing architecture
US7711796B2 (en) 2006-06-12 2010-05-04 Icontrol Networks, Inc. Gateway registry methods and systems
US9141276B2 (en) 2005-03-16 2015-09-22 Icontrol Networks, Inc. Integrated interface for mobile device
US10444964B2 (en) 2007-06-12 2019-10-15 Icontrol Networks, Inc. Control system user interface
US11244545B2 (en) 2004-03-16 2022-02-08 Icontrol Networks, Inc. Cross-client sensor user interface in an integrated security network
US11489812B2 (en) 2004-03-16 2022-11-01 Icontrol Networks, Inc. Forming a security network including integrated security system components and network devices
US10156959B2 (en) 2005-03-16 2018-12-18 Icontrol Networks, Inc. Cross-client sensor user interface in an integrated security network
US10237237B2 (en) 2007-06-12 2019-03-19 Icontrol Networks, Inc. Communication protocols in integrated systems
US11201755B2 (en) 2004-03-16 2021-12-14 Icontrol Networks, Inc. Premises system management using status signal
EP1738540B1 (de) 2004-03-16 2017-10-04 Icontrol Networks, Inc. Gebäudeverwaltungssystem
US10339791B2 (en) 2007-06-12 2019-07-02 Icontrol Networks, Inc. Security network integrated with premise security system
US11113950B2 (en) 2005-03-16 2021-09-07 Icontrol Networks, Inc. Gateway integrated with premises security system
US9191228B2 (en) 2005-03-16 2015-11-17 Icontrol Networks, Inc. Cross-client sensor user interface in an integrated security network
US8988221B2 (en) 2005-03-16 2015-03-24 Icontrol Networks, Inc. Integrated security system with parallel processing architecture
US9729342B2 (en) 2010-12-20 2017-08-08 Icontrol Networks, Inc. Defining and implementing sensor triggered response rules
US11677577B2 (en) 2004-03-16 2023-06-13 Icontrol Networks, Inc. Premises system management using status signal
US11159484B2 (en) 2004-03-16 2021-10-26 Icontrol Networks, Inc. Forming a security network including integrated security system components and network devices
US11811845B2 (en) 2004-03-16 2023-11-07 Icontrol Networks, Inc. Communication protocols over internet protocol (IP) networks
US8963713B2 (en) 2005-03-16 2015-02-24 Icontrol Networks, Inc. Integrated security network with security alarm signaling system
US11916870B2 (en) 2004-03-16 2024-02-27 Icontrol Networks, Inc. Gateway registry methods and systems
US11277465B2 (en) 2004-03-16 2022-03-15 Icontrol Networks, Inc. Generating risk profile using data of home monitoring and security system
US10522026B2 (en) 2008-08-11 2019-12-31 Icontrol Networks, Inc. Automation system user interface with three-dimensional display
US11190578B2 (en) 2008-08-11 2021-11-30 Icontrol Networks, Inc. Integrated cloud system with lightweight gateway for premises automation
US8635350B2 (en) 2006-06-12 2014-01-21 Icontrol Networks, Inc. IP device discovery systems and methods
US11343380B2 (en) 2004-03-16 2022-05-24 Icontrol Networks, Inc. Premises system automation
US10382452B1 (en) 2007-06-12 2019-08-13 Icontrol Networks, Inc. Communication protocols in integrated systems
US11582065B2 (en) 2007-06-12 2023-02-14 Icontrol Networks, Inc. Systems and methods for device communication
US10313303B2 (en) 2007-06-12 2019-06-04 Icontrol Networks, Inc. Forming a security network including integrated security system components and network devices
US11316958B2 (en) 2008-08-11 2022-04-26 Icontrol Networks, Inc. Virtual device systems and methods
US10200504B2 (en) 2007-06-12 2019-02-05 Icontrol Networks, Inc. Communication protocols over internet protocol (IP) networks
US10645347B2 (en) 2013-08-09 2020-05-05 Icn Acquisition, Llc System, method and apparatus for remote monitoring
US9306809B2 (en) 2007-06-12 2016-04-05 Icontrol Networks, Inc. Security system with networked touchscreen
US11700142B2 (en) 2005-03-16 2023-07-11 Icontrol Networks, Inc. Security network integrating security system and network devices
US20120324566A1 (en) 2005-03-16 2012-12-20 Marc Baum Takeover Processes In Security Network Integrated With Premise Security System
US20170180198A1 (en) 2008-08-11 2017-06-22 Marc Baum Forming a security network including integrated security system components
US20110128378A1 (en) 2005-03-16 2011-06-02 Reza Raji Modular Electronic Display Platform
US11615697B2 (en) 2005-03-16 2023-03-28 Icontrol Networks, Inc. Premise management systems and methods
US9450776B2 (en) 2005-03-16 2016-09-20 Icontrol Networks, Inc. Forming a security network including integrated security system components
US11496568B2 (en) 2005-03-16 2022-11-08 Icontrol Networks, Inc. Security system with networked touchscreen
US10999254B2 (en) 2005-03-16 2021-05-04 Icontrol Networks, Inc. System for data routing in networks
US20060220785A1 (en) * 2005-03-31 2006-10-05 Torbjoern Ferdman Generic radio transmission network for door applications
US7598811B2 (en) 2005-07-29 2009-10-06 Broadcom Corporation Current-controlled CMOS (C3MOS) fully differential integrated wideband amplifier/equalizer with adjustable gain and frequency response without additional power or loading
US7362174B2 (en) 2005-07-29 2008-04-22 Broadcom Corporation Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection
US7598788B2 (en) 2005-09-06 2009-10-06 Broadcom Corporation Current-controlled CMOS (C3MOS) fully differential integrated delay cell with variable delay and high bandwidth
US7518326B2 (en) * 2006-01-20 2009-04-14 Albany International Corp. Wireless communication system for a roll-up door
US10079839B1 (en) 2007-06-12 2018-09-18 Icontrol Networks, Inc. Activation of gateway device
US11706279B2 (en) 2007-01-24 2023-07-18 Icontrol Networks, Inc. Methods and systems for data communication
US7633385B2 (en) 2007-02-28 2009-12-15 Ucontrol, Inc. Method and system for communicating with and controlling an alarm system from a remote server
US8451986B2 (en) 2007-04-23 2013-05-28 Icontrol Networks, Inc. Method and system for automatically providing alternate network access for telecommunications
US11646907B2 (en) 2007-06-12 2023-05-09 Icontrol Networks, Inc. Communication protocols in integrated systems
US10051078B2 (en) 2007-06-12 2018-08-14 Icontrol Networks, Inc. WiFi-to-serial encapsulation in systems
US11237714B2 (en) 2007-06-12 2022-02-01 Control Networks, Inc. Control system user interface
US10616075B2 (en) 2007-06-12 2020-04-07 Icontrol Networks, Inc. Communication protocols in integrated systems
US11423756B2 (en) 2007-06-12 2022-08-23 Icontrol Networks, Inc. Communication protocols in integrated systems
US11218878B2 (en) 2007-06-12 2022-01-04 Icontrol Networks, Inc. Communication protocols in integrated systems
US10389736B2 (en) 2007-06-12 2019-08-20 Icontrol Networks, Inc. Communication protocols in integrated systems
US10498830B2 (en) 2007-06-12 2019-12-03 Icontrol Networks, Inc. Wi-Fi-to-serial encapsulation in systems
US11212192B2 (en) 2007-06-12 2021-12-28 Icontrol Networks, Inc. Communication protocols in integrated systems
US10423309B2 (en) 2007-06-12 2019-09-24 Icontrol Networks, Inc. Device integration framework
US10666523B2 (en) 2007-06-12 2020-05-26 Icontrol Networks, Inc. Communication protocols in integrated systems
US10523689B2 (en) 2007-06-12 2019-12-31 Icontrol Networks, Inc. Communication protocols over internet protocol (IP) networks
US11316753B2 (en) 2007-06-12 2022-04-26 Icontrol Networks, Inc. Communication protocols in integrated systems
US11089122B2 (en) 2007-06-12 2021-08-10 Icontrol Networks, Inc. Controlling data routing among networks
US11601810B2 (en) 2007-06-12 2023-03-07 Icontrol Networks, Inc. Communication protocols in integrated systems
US11831462B2 (en) 2007-08-24 2023-11-28 Icontrol Networks, Inc. Controlling data routing in premises management systems
US8102240B2 (en) * 2007-12-27 2012-01-24 Honeywell International Inc. Controller providing shared device access for access control systems
US11916928B2 (en) 2008-01-24 2024-02-27 Icontrol Networks, Inc. Communication protocols over internet protocol (IP) networks
US20170185278A1 (en) 2008-08-11 2017-06-29 Icontrol Networks, Inc. Automation system user interface
US11729255B2 (en) 2008-08-11 2023-08-15 Icontrol Networks, Inc. Integrated cloud system with lightweight gateway for premises automation
US11258625B2 (en) 2008-08-11 2022-02-22 Icontrol Networks, Inc. Mobile premises automation platform
US11792036B2 (en) 2008-08-11 2023-10-17 Icontrol Networks, Inc. Mobile premises automation platform
US11758026B2 (en) 2008-08-11 2023-09-12 Icontrol Networks, Inc. Virtual device systems and methods
US9628440B2 (en) 2008-11-12 2017-04-18 Icontrol Networks, Inc. Takeover processes in security network integrated with premise security system
US8638211B2 (en) 2009-04-30 2014-01-28 Icontrol Networks, Inc. Configurable controller and interface for home SMA, phone and multimedia
US8836467B1 (en) 2010-09-28 2014-09-16 Icontrol Networks, Inc. Method, system and apparatus for automated reporting of account and sensor zone information to a central station
US11750414B2 (en) 2010-12-16 2023-09-05 Icontrol Networks, Inc. Bidirectional security sensor communication for a premises security system
US9147337B2 (en) 2010-12-17 2015-09-29 Icontrol Networks, Inc. Method and system for logging security event data
US9481348B2 (en) * 2012-09-20 2016-11-01 Wabtec Holding Corp. System and method for addressing a pneumatic emergency in a helper locomotive
US9928975B1 (en) 2013-03-14 2018-03-27 Icontrol Networks, Inc. Three-way switch
US9867143B1 (en) 2013-03-15 2018-01-09 Icontrol Networks, Inc. Adaptive Power Modulation
US9287727B1 (en) 2013-03-15 2016-03-15 Icontrol Networks, Inc. Temporal voltage adaptive lithium battery charger
US11146637B2 (en) 2014-03-03 2021-10-12 Icontrol Networks, Inc. Media content management
US11405463B2 (en) 2014-03-03 2022-08-02 Icontrol Networks, Inc. Media content management
US9905120B1 (en) 2016-08-29 2018-02-27 At&T Digital Life, Inc. Alarm initiation when sensor is intentionally jammed
CN110730017A (zh) * 2019-09-25 2020-01-24 维沃移动通信有限公司 一种射频装置及其控制方法、终端设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2746283A1 (de) * 1977-10-14 1979-04-19 Dietrich Gottstein Notrufsystem
DE2927100A1 (de) * 1979-07-04 1981-01-08 Siemens Ag Anordnung zur helligkeitsverstaerkung von passiven anzeigevorrichtungen
FR2513048A1 (fr) * 1981-09-16 1983-03-18 Seinep Ste Electro Nord Est Pa Procede de telecommunication par voie hertzienne et dispositif pour sa mise en oeuvre
FR2526249A1 (fr) * 1982-04-30 1983-11-04 Labo Electronique Physique Procede et dispositif de calage temporel automatique de stations dans un multiplex temporel pour bus optique et systeme de transmission et de traitement de donnees comprenant un tel dispositif
US4638453A (en) * 1983-03-28 1987-01-20 Motorola, Inc. Signal processing unit
US4763254A (en) * 1983-05-26 1988-08-09 Hitachi, Ltd. Information processing system with data storage on plural loop transmission line
US4633246A (en) * 1984-01-09 1986-12-30 Fiberlan, Inc. Time divison multiplex ring
EP0229198A1 (de) * 1985-11-27 1987-07-22 Hansens Neighbourhood Alarms Pty. Ltd. Nachbarschaftsalarm
US5168271A (en) * 1985-11-27 1992-12-01 Seiko Corp. Paging and time keeping system with transmission of time slot identification used for synchronization
US4791629A (en) * 1986-06-02 1988-12-13 Ibm Corporation Communications switching system
US4792946A (en) * 1987-04-07 1988-12-20 Spectrum Electronics, Inc. Wireless local area network for use in neighborhoods
US4845491A (en) * 1987-05-15 1989-07-04 Newspager Corporation Of America Pager based information system
US4872205A (en) * 1987-08-21 1989-10-03 American Telephone And Telegraph Company Radio communication system having autonomously selected transmission frequencies
US5049875A (en) * 1989-09-13 1991-09-17 Motorola Inc. Method and apparatus for out of range detection in response to nondetection of predetermined baud rates

Also Published As

Publication number Publication date
CA2077458A1 (en) 1991-09-04
JP3037750B2 (ja) 2000-05-08
AU7444391A (en) 1991-10-10
US5465081A (en) 1995-11-07
EP0518926A1 (de) 1992-12-23
EP0518926B1 (de) 1995-08-16
AU647467B2 (en) 1994-03-24
DE69112204D1 (de) 1995-09-21
DE69112204T2 (de) 1996-03-21
WO1991014244A1 (en) 1991-09-19
ATE126617T1 (de) 1995-09-15
ES2078513T3 (es) 1995-12-16
GR3017790T3 (en) 1996-01-31
JPH05506970A (ja) 1993-10-07
CA2077458C (en) 2001-10-30

Similar Documents

Publication Publication Date Title
DK0518926T3 (da) Kommunikationsanlæg
ES8503185A1 (es) Perfeccionamientos en dispositivos de conmutacion que tienen modulos agrupados de conmutacion a distancia
AU544038B2 (en) Laser communication system
MX9307373A (es) Circuito de punto con portadora piloto.
GB1508567A (en) Optical communications systems
SE9203796D0 (sv) Anordning vid kommunikationsnaet
CA2121955A1 (en) Communication Method in Network System for Performing Information Transmission Among Terminal Equipments Using Light Beams of a Plurality of Wavelengths, Terminal Equipment Used in the Method, and Network System Using the Method
MY134106A (en) A mobile communication system
FI943047A0 (fi) Tukiasemien ja tukiasemaohjaimien välinen tiedonvälitysalijärjestelmä pursketiedonvälitysjärjestelmissä
SE9300162D0 (sv) Anordning vid mobila kommunikationssystem foer att foerlaenga raeckvidden mellan en eller flera mobila enheter och basstation
CA2135327A1 (en) Large Capacity Multi-Access Wavelength Division Multiplexing Packet Network
GB0110483D0 (en) Transmitting information over a communication link
EP1251646A3 (de) Verfahren zur Halbduplexübertragung von Informationen zwischen Kommunikationseinrichtungen mit Repeatern
DE69017200D1 (de) Optisches zweiwegübertragungssystem.
HUT60077A (en) Method for two-way data transmission and communication system for realizing said method
SE9903823L (sv) Förfarande och arrangemang för delad tangentbordsstyrning
JPS5346205A (en) Data transmission system
ATE84652T1 (de) Schnittstellenbaustein zur verbindung von datenquellen mit datensenken und vermittlungssysteme mit solchen schnittstellenbausteinen.
DE69020340D1 (de) Optisches übertragungssystem.
ES2115702T3 (es) Procedimiento para la transmision de datos entre una estacion fija y objetos moviles.
FR2295666A1 (fr) Central de commutation telephonique
JPS54148416A (en) Multiplied transmission system
FI863643A0 (fi) Telekommunikationsanlaeggning.
JPS57201365A (en) Four-wire system branching and coupling circuit
JPS56763A (en) Line connector