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BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY patents filed
Company number: 01800000Title | Date Filed | Status | Publication number |
---|---|---|---|
Identifying an attacked computing device | 2017-12-18 | Pending | GB2558419 |
Managing congestion response during content delivery | 2017-12-13 | Pending | GB2559271 |
Cellular telecommunications network | 2017-08-29 | Pending | GB2554543 |
Cellular telecommunications network | 2017-08-29 | Pending | GB2554544 |
Secure configuration in a virtualised computing environment | 2017-08-01 | Pending | GB2554984 |
Attack assessment in a virtualised computing environment | 2017-08-01 | Pending | GB2554983 |
Configuration parameters for virtual machines | 2017-07-31 | Pending | GB2554981 |
Security in virtualised computing environments | 2017-07-31 | Pending | GB2554982 |
Mitigating security attacks in virtualised comuting environments | 2017-07-31 | Pending | GB2554980 |
Machine learning for attack mitigation in virtual machine | 2017-07-24 | Pending | GB2555176 |
Efficient attack mitigation in a virtual machine | 2017-07-24 | Pending | GB2555175 |
Reconfigured virtual machine to mitigate attack | 2017-07-24 | Pending | GB2555174 |
A method of predicting a property of a path in a telecommunications network | 2017-07-12 | Pending | GB2554156 |
Management of federated systems | 2017-01-18 | Pending | GB2558902 |
Network node | 2016-12-21 | Pending | GB2557984 |
Automatic method for managing a computing system | 2016-12-09 | Pending | GB2557595 |
Configuration of wireless-equipped devices | 2016-12-08 | Awaiting Re-examination | GB2557353 |
Delivery of media content | 2016-12-06 | Pending | GB2557313 |
Media streaming system | 2016-12-06 | Pending | GB2557314 |
Method and apparatus for operating a digital subscriber line arrangement | 2016-11-08 | Pending if pre publication date, "Application Published" if publication date is today or in the past | GB2558535 |
Cellular communications | 2016-10-28 | Pending | GB2555456 |
Optical fibre joint | 2016-09-30 | Pending | GB2554647 |
WLAN Extender placement | 2016-09-30 | Pending | GB2554671 |
Cellular telecommunications network | 2016-09-29 | Pending | GB2554451 |
Cellular telecommunications network | 2016-09-29 | Pending | GB2554453 |
Network range and connectivity improvement | 2016-09-29 | Pending | GB2554462 |
Method and apparatus for transmitting data from a transmitter device to one or more receiver devices | 2016-09-29 | Pending | GB2557893 |
Cable duct plug removal | 2016-08-25 | Pending | GB2550436 |
Mobile terminal switching from broadcast or multicast to unicast based on cyclic prefix length | 2016-08-04 | Awaiting Re-examination | GB2552705 |
Traffic steering in access networks | 2016-06-30 | Awaiting Re-examination | GB2551797 |
Mobile communications network | 2016-06-29 | Pending | GB2551751 |
Mobile communications network | 2016-05-31 | Awaiting Re-examination | GB2548929 |
Software container profiling | 2016-05-11 | Awaiting Re-examination | GB2550177 |
Software container access control | 2016-05-11 | Awaiting Re-examination | GB2550178 |
Optical communications | 2016-04-11 | Pending | GB2549284 |
Voice service client device | 2016-03-31 | Pending | GB2549693 |
Roaming management | 2016-03-31 | Awaiting Re-examination | GB2548866 |
Method and apparatus for transmitting data over a plurality of pairs of wires | 2016-03-31 | Awaiting Re-examination | GB2548868 |
Telecommunications access network | 2016-03-31 | Awaiting Re-examination | GB2548884 |
Handover method | 2016-03-31 | Awaiting Applicant's Response | GB2548894 |
Tracking area configuration | 2016-03-31 | Awaiting First Examination | GB2550826 |
Mobile communications network | 2016-03-31 | Pending | GB2548893 |
Model management in a dynamic QOS environment | 2016-03-30 | Granted | GB2541047 |
Blockchain state reliability determination | 2016-03-30 | Pending | GB2549085 |
Model management in a dynamic QOS environment | 2016-03-29 | Pending | GB2541046 |
Local and demand driven QoS models | 2016-03-29 | Pending | GB2542870 |
Optical network design and routing | 2016-03-29 | Awaiting First Examination | GB2552627 |
Quality of service management in a network | 2016-03-29 | Pending | GB2539992 |
Energy management in a network | 2016-03-29 | Pending | GB2539993 |
Negotiating quality of service for data flows | 2016-03-29 | Pending | GB2540647 |
Modifying quality of service treatment for data flows | 2016-03-29 | Pending | GB2539994 |
Method and apparatus for operating a telecommunications access network | 2016-03-29 | Awaiting Re-examination | GB2548847 |
Data communications | 2016-03-24 | Awaiting First Examination | GB2553230 |
Cellular mobile device | 2016-03-23 | Pending | GB2551939 |
Transmitter outage detection | 2016-03-22 | Awaiting Re-examination | GB2548805 |
Transmitter outage reporting | 2016-03-22 | Awaiting Re-examination | GB2548592 |
Detecting a physical cell indentifier conflict in a cellular telecommunications network | 2016-03-17 | Granted | GB2548796 |
Cellular telecommunications network | 2016-03-04 | Pending | GB2547943 |
Adapting reference signal density | 2016-02-29 | Awaiting Re-examination | GB2547724 |
Adaptive reference signal patterns | 2016-02-29 | Awaiting Re-examination | GB2547725 |
Controlling adaptive reference signal patterns | 2016-02-29 | Pending | GB2547721 |
Compensated line length estimation | 2016-02-26 | Awaiting First Examination | GB2553231 |
Apparatus | 2016-02-25 | Awaiting Re-examination | GB2547681 |
An optical network node | 2016-02-24 | Pending | GB2547662 |
Instantiating a virtual machine using an encrypted disk | 2016-01-29 | Awaiting Applicant's Response | GB2546801 |
Disk encryption | 2016-01-29 | Granted | GB2546803 |
Disk encryption | 2016-01-29 | Granted | GB2546802 |
Data relay authentication | 2016-01-19 | Awaiting Re-examination | GB2546494 |
Cellular telecommunications network | 2016-01-14 | Granted | GB2546295 |
Data network management | 2015-12-31 | Awaiting Re-examination | GB2545928 |
Controlling handover between WLAN and cellular service access | 2015-12-31 | Granted | GB2545930 |
Malicious software identification | 2015-12-24 | Granted | GB2545745 |
Malicious network traffic identification | 2015-12-24 | Pending | GB2545744 |
Malicious software identification | 2015-12-24 | Granted | GB2545910 |
Mobile communications | 2015-12-22 | Pending | GB2545696 |
Mechanical support | 2015-12-22 | Pending | GB2550316 |
Video content synchronisation | 2015-11-27 | Awaiting Re-examination | GB2544796 |
Mobile information processing | 2015-10-30 | Awaiting Re-examination | GB2543825 |
Analysis of network performance | 2015-10-08 | In Order For Grant | GB2543078 |
Communications Network | 2015-10-01 | Pending | GB2539977 |
Base station | 2015-09-30 | Pending | GB2542820 |
Analysis of network performance | 2015-09-30 | Granted | GB2542832 |
Communications network | 2015-09-30 | Awaiting Re-examination | GB2542807 |
Wireless access point | 2015-09-30 | Pending | GB2542826 |
Analysis of network performance | 2015-09-30 | Granted | GB2542828 |
Call recording | 2015-09-30 | Pending | GB2542821 |
Analysis of network performance | 2015-09-30 | Granted | GB2542830 |
Analytic search | 2015-09-30 | Terminated | GB2542804 |
Line fault localisation | 2015-09-30 | Pending | GB2542812 |
Data communications | 2015-09-30 | Awaiting Re-examination | GB2542823 |
Cellular telecommunications network | 2015-09-28 | Granted | GB2542620 |
Communications network | 2015-09-28 | Pending | GB2539976 |
Footway box mounting bracket | 2015-09-28 | Awaiting Re-examination | GB2542618 |
Fault diagnosis | 2015-09-25 | Awaiting Re-examination | GB2542610 |
Method and apparatus for operating a digital subscriber line arrangement | 2015-09-23 | Awaiting Re-examination | GB2542437 |
Evaluation of network condition | 2015-09-04 | Granted | GB2541939 |
Network operation | 2015-08-12 | Pending | GB2541034 |
A method of controlling a network node | 2015-08-06 | Granted | GB2541016 |
An unqueuable data packet for a data packet network and a method of controlling packets in a data packet network | 2015-08-06 | Granted | GB2541019 |
Access control | 2015-07-31 | Terminated | GB2540976 |
Expendable access control | 2015-07-31 | Terminated | GB2540977 |
Network function virtualization | 2015-07-28 | Granted | GB2541170 |
Premises telephony wiring | 2015-06-25 | Granted | GB2539706 |
Biometric identification | 2015-06-05 | Awaiting First Examination | GB2542061 |
Dynamic line management engine residing in the access network | 2015-04-30 | Awaiting First Examination | GB2542045 |
User equipment battery consumption | 2015-02-26 | Awaiting First Examination | GB2537791 |
Triple buffer key handling | 2014-10-22 | Pending if pre publication date, "Application Published" if publication date is today or in the past | GB2534756 |
Communications network | 2014-10-17 | Pending | GB2525458 |
Optical data transmission method and apparatus | 2014-10-10 | Awaiting First Examination | GB2533745 |
Video content delivery network | 2014-09-17 | Pending if pre publication date, "Application Published" if publication date is today or in the past | GB2530489 |
Regenerator devices | 2014-08-19 | Awaiting First Examination | GB2529419 |
Regenerator devices | 2014-08-19 | Awaiting First Examination | GB2529421 |
Ventilation system | 2014-07-11 | Granted | GB2518714 |
Installation of cable connections | 2014-06-26 | Awaiting First Examination | GB2527580 |
Optical network fault location and identification | 2014-06-25 | Granted | GB2516368 |
Access network management | 2014-03-27 | Awaiting First Examination | GB2526989 |
Video playback with different speeds | 2014-03-07 | Awaiting First Examination | GB2526223 |
Distributed system | 2014-01-28 | Awaiting First Examination | GB2524214 |
Group subscriber number management system for a group messaging service | 2014-01-15 | Granted | GB2523957 |
Radio spectrum manager | 2013-12-31 | Awaiting First Examination | GB2523522 |
Method and device for secure network access | 2013-12-31 | Awaiting First Examination | GB2524198 |
Overload control for session setups | 2013-12-19 | Awaiting First Examination | GB2523702 |
Fault identification using line attenuations | 2013-12-06 | Awaiting First Examination | GB2523703 |
Apparatus | 2013-11-12 | Awaiting Applicant's Response | GB2520256 |
Operation of a data network | 2013-09-30 | Awaiting First Examination | GB2521322 |
Shared voicemail system | 2013-09-20 | Awaiting First Examination | GB2521073 |
Configuring a computer using a network connection device | 2013-09-13 | Awaiting First Examination | GB2506988 |
Cable | 2013-07-08 | Granted | GB2517378 |
A transportable telecommunications cabinet providing digital subscriber line access and telephony | 2013-03-21 | Terminated | GB2503310 |
Control of line power | 2013-02-27 | Awaiting First Examination | GB2514302 |
Footway box cover system | 2012-09-28 | Granted | GB2514527 |
A wireless access point which can selectively allow connections | 2012-09-24 | Granted | GB2506170 |
Measurement method | 2012-05-16 | Terminated | GB2493684 |
Optical fibre tray | 2012-03-29 | Granted | GB2501851 |
Optical Fibre Management | 2012-03-29 | Granted | GB2508465 |
Optical fibre joint access | 2012-03-29 | Granted | GB2502911 |
Moling apparatus | 2012-02-03 | Granted | GB2488026 |
Wireless configuration | 2011-12-16 | Granted | GB2486798 |
Optical fibre tray | 2011-11-04 | Terminated | GB2498317 |
Spacer arrangement for mounting an antenna on a convex conductive surface | 2011-09-29 | Terminated | GB2495119 |
Traffic management | 2011-09-20 | Granted | GB2496826 |
Wireless communication access point | 2011-09-20 | Granted | GB2496829 |
Optical fibre securing device | 2011-07-21 | Granted | GB2482586 |
Cable guide | 2011-06-23 | Granted | GB2481690 |
Network testing | 2011-05-27 | Granted | GB2494071 |
Clearing blockges in a pipe by blowing air through a duct moved in the same pipe prior to fibre installation | 2011-03-30 | Awaiting First Examination | GB2491543 |
Computer telephony | 2011-02-16 | Granted | GB2491780 |
Client server communication system and related aspects | 2011-02-01 | Granted | GB2489870 |
Communications device | 2010-10-22 | Granted | GB2488459 |
A computer terminal controlling through a computer-telephony controller operation of first and second communication terminals using the same label value. | 2010-04-01 | Terminated | GB2479189 |
Optical fibre network in which primary nodes are connected directly to a plurality of core nodes | 2010-03-30 | Terminated | GB2470978 |
Fastening arrangement for portable device | 2009-09-24 | Granted | GB2463789 |
Media adaptor for use with docking station and personal digital audio apparatus | 2009-09-09 | Terminated | GB2465654 |
Exchange cabling storage apparatus | 2009-06-05 | Granted | GB2472368 |
Exchange cabling method and apparatus | 2009-06-05 | Granted | GB2472178 |
Access control | 2008-12-11 | Granted | GB2455626 |
Selecting a unique time point for initiation of an activity in a communications network | 2008-07-25 | Terminated | GB2462120 |
Classification of posts for prioritizing or grouping comments. | 2008-04-23 | Terminated | GB2459476 |
Classification of online posts using keyword clusters derived from existing posts | 2008-04-23 | Terminated | GB2463515 |
Maintaining user sessions started with content from a first version of a website whilst forwarding new user sessions to a second version of the website | 2008-03-17 | Terminated | GB2459249 |
Signal treatment device for use with telecommunications equipment | 2007-07-27 | Terminated | GB2460480 |
Signal treatment device for use with telecommunications equipment | 2007-07-27 | Granted | GB2445212 |
Software product authentication | 2007-02-02 | Granted | GB2447594 |
Telecommunications interface for providing unbalanced ringing | 2006-11-28 | Granted | GB2446095 |
Personalised heterogeneous network handover alert scheme | 2006-08-25 | Granted | GB2443118 |
Personalisable heterogeneous network handover scheme | 2006-08-25 | Granted | GB2442923 |
Installing a receiver application for digitally broadcast signals | 2006-07-13 | Terminated | GB2440200 |
Electronic programme guide for a mobile communications device | 2006-07-13 | Granted | GB2440199 |
Reconfigurable dab application for a mobile communications device | 2006-06-30 | Terminated | GB2439612 |
Radio frequency identification transponder system | 2005-01-12 | Granted | GB2422746 |
Radio frequency identification tag security systems | 2005-01-12 | Granted | GB2422514 |
Exchange cabling | 2004-03-31 | Granted | GB2402280 |
Sensory output devices | 2004-03-31 | Terminated | GB2417168 |
Access control to shared resources | 2004-02-17 | Terminated | GB2399665 |
Personalised profile update | 2003-12-22 | Terminated | GB2396934 |
Monitoring of network usage | 2003-01-16 | Granted | GB2384646 |
Visual representation of data within a database | 2002-11-11 | Terminated | GB2397920 |
A gateway system for facilitating transmission of text messages from a terminal in one network to a terminal in another via virtual location registration | 2002-08-08 | Terminated | GB2380100 |
Authentication of network users | 2001-11-06 | Granted | GB2382281 |
Asset delivery system | 2001-10-29 | Terminated | GB2371387 |
Terminal interface device | 2001-06-20 | Terminated | GB2367972 |
Alarm monitoring arrangement | 2001-03-07 | Granted | GB2376121 |
Electronic commerce | 2001-03-06 | Granted | GB2376113 |
Coin escrow mechanism | 2001-02-27 | Terminated | GB2379313 |
Image processing | 2000-12-08 | Granted | GB2372661 |
Indirect transmission of data from a mobile terminal | 2000-11-29 | Ceased | GB2361605 |
Request processing method involving an authentication server response | 2000-11-29 | Terminated | GB2364410 |
Hybrid cable with twisted pairs of metallic electrical cables alternating with optical cables | 2000-10-13 | Granted | GB2368404 |
Equipment Rack | 2000-09-04 | Ceased | GB2366270 |
Computer system | 2000-03-16 | Terminated | GB2363656 |
Detection system | 2000-03-15 | Ceased | GB2361058 |
Intruder detection using a single photon source | 2000-03-15 | Ceased | GB2361308 |
Circuit switching | 2000-03-10 | Terminated | GB2365660 |
Allocating switch requests within a packet switch | 2000-03-10 | Terminated | GB2365661 |
Instrument for making tests calls | 1999-10-11 | Terminated | GB2358547 |
Apparatus and method for generating an interference pattern to be written as a grating in a sample of a photosensitive material | 1999-08-03 | Ceased | GB2354341 |
Data network access | 1999-06-01 | Ceased | GB2353178 |
Service provision support system | 1999-05-26 | Granted | GB2352124 |
Multiple service provision | 1999-05-26 | Terminated | GB2351823 |
Dialler | 1999-05-19 | Terminated | GB2353179 |
Communications network | 1999-03-17 | Terminated | GB2353177 |
Coin handling module | 1998-10-02 | Terminated | GB2342483 |
Data processing system for communications network | 1998-09-21 | Terminated | GB2344966 |
Data processing system | 1998-09-21 | Terminated | GB2345560 |
Generating an image of a three-dimensional object | 1998-06-17 | Granted | GB2341070 |
Wireless communications network planning | 1998-04-23 | Ceased | GB2342538 |
Liquid filled optical waveguide | 1998-04-22 | Ceased | GB2339305 |
Message service | 1998-04-08 | Ceased | GB2340357 |
Line testing in a telecommunicationsnetwork | 1998-04-07 | Granted | GB2337410 |
Managing operation of servers in a distributed computing environment | 1998-01-27 | Terminated | GB2335520 |
An Input Device | 1997-12-11 | Terminated | GB2332293 |
Speech processing | 1995-12-15 | Ceased | GB2311919 |
Communications traffic management arrangement | 1995-10-10 | Terminated | GB2308274 |
Optical fibre customer lead in | 1995-03-02 | Ceased | GB2287077 |
Digital modulation | 1994-12-23 | Granted | GB2285375 |
Message routing | 1994-12-23 | Ceased | GB2290004 |
System for generating instructions for speech application | 1994-07-01 | Ceased | GB2294567 |
Transmission via a common communication link of both a downconverted modulated radio frequency signal and a pilot signal used for conversion | 1993-09-02 | Ceased | GB2284729 |
Apparatus and method for crosstalk cancellation in data correctors | 1993-08-24 | Ceased | GB2284511 |
Optical radiation devices | 1993-07-28 | Terminated | GB2284488 |
Noise reduction | 1993-07-16 | Ceased | GB2280333 |
Dynamic neural networks | 1993-07-15 | Ceased | GB2283605 |
Coding and decoding video signals | 1993-06-29 | Granted | GB2283636 |
A service platform for the provision of automated speech based services over a telephone network | 1993-06-15 | Ceased | GB2282733 |
Optical communications | 1993-03-01 | Ceased | GB2264792 |
Keypad buttons | 1993-02-12 | Ceased | GB2264196 |
Data transmission | 1993-02-12 | Ceased | GB2264212 |
Optical grating device | 1992-09-16 | Ceased | GB2276466 |
Speech processing apparatus | 1992-08-21 | Ceased | GB2258978 |
Pay-phone coin box | 1992-08-17 | Ceased | GB2260364 |
Optical amplifier and laser | 1992-07-08 | Ceased | GB2272794 |
Optical fibres | 1992-07-01 | Granted | GB2271649 |
Pulse detection | 1992-05-07 | Terminated | GB2266819 |
Telephone handset | 1992-05-07 | Ceased | GB2256342 |
Fibre management system | 1992-04-21 | Ceased | GB2256286 |
Component mounting system | 1992-03-30 | Ceased | GB2254194 |
Channel coding for speech | 1992-01-14 | Terminated | GB2252702 |
TDM digital speech signal coding | 1992-01-14 | Terminated | GB2252018 |
Speech coding | 1991-12-20 | Ceased | GB2266822 |
Moulding of lenses and lenticular sheets | 1991-12-11 | Terminated | GB2264890 |
Lenticular sheet | 1991-10-01 | Ceased | GB2260199 |
Speech analysis and image synthesis | 1991-09-11 | Terminated | GB2250405 |
Device for protecting high speed communications network from overvoltages | 1991-08-08 | Terminated | GB2258570 |
Optical receiver | 1991-08-06 | Ceased | GB2249895 |
Coded QAM system | 1991-07-26 | Granted | GB2263213 |
Speed estimation | 1991-07-25 | Granted | GB2263037 |
Location determination and handover in mobile radio systems | 1991-07-25 | Granted | GB2263608 |
Telephone call answering evaluation | 1991-07-17 | Terminated | GB2257869 |
A hologrpahic element comprising holographic material on a mirror on asubstrate | 1991-06-21 | Ceased | GB2246645 |
Cellular radio | 1991-05-24 | Ceased | GB2263377 |
Connecting optical fibres | 1991-05-17 | Ceased | GB2245987 |
Optical fibre end face angling | 1991-05-13 | Granted | GB2245986 |
Convertible line jack unit | 1991-05-10 | Terminated | GB2255694 |
Monitor system | 1991-05-03 | Ceased | GB2244582 |
Optical fibre amplifier with automatic gain control | 1991-04-17 | Ceased | GB2244595 |
System to prevent a scrambler from generating undesired symbols | 1991-04-12 | Ceased | GB2258373 |
Balance unbalance interface | 1991-03-28 | Ceased | GB2243038 |
Convolutional coding | 1991-03-22 | Ceased | GB2253974 |
Calibrator | 1991-03-14 | Ceased | GB2242985 |
Tunable optical filters | 1991-02-20 | Ceased | GB2257803 |
Telephone call intercept system | 1991-01-30 | Terminated | GB2240693 |
Security device for floppy disc drive | 1991-01-30 | Terminated | GB2240423 |
Fibre amplifiers | 1991-01-22 | Ceased | GB2243942 |
Cable closure | 1991-01-17 | Terminated | GB2243496 |
Communication line testing | 1991-01-08 | Ceased | GB2241790 |
Cable stripping hand tool | 1990-11-15 | Ceased | GB2238670 |
Telephone interface has digital speech processing | 1990-11-09 | Terminated | GB2249701 |
Three dimensional imaging system | 1990-11-08 | Terminated | GB2251754 |
Interferometer having twin-core optical fibre | 1990-10-24 | Terminated | GB2250606 |
Cable joint | 1990-10-04 | Ceased | GB2252423 |
Sealing gland | 1990-10-04 | Ceased | GB2253249 |
Optical memory using optical fibre waveguides as second harmonic generator | 1990-09-14 | Terminated | GB2236417 |
An optical component | 1990-09-05 | Terminated | GB2249404 |
Detection of remote end of an optical fibre | 1990-09-04 | Granted | GB2251941 |
Optical coupler | 1990-08-14 | Granted | GB2252176 |
Multi-layered antireflective coatings for optoelectronic components | 1990-08-09 | Terminated | GB2246905 |
Digital signal processing | 1990-08-09 | Ceased | GB2235315 |
Pattern recognition | 1990-06-29 | Ceased | GB2253295 |
Optical time domain reflectometry | 1990-06-22 | Granted | GB2250654 |
Splice organiser | 1990-06-01 | Granted | GB2250105 |
Optical sampler | 1990-05-25 | Ceased | GB2245715 |
A method of forming an optical fibre coupler and a coupler so formed | 1990-03-20 | Granted | GB2247539 |
Identity verification | 1990-03-08 | Granted | GB2229305 |
Optical fibre 1 to N splitter | 1990-03-06 | Terminated | GB2242754 |
Epitaxial growth of semiconductor layers | 1990-03-02 | Terminated | GB2241606 |
Optical interconnect network | 1990-02-22 | Ceased | GB2230630 |
Optical modulator | 1990-02-20 | Terminated | GB2241348 |
Antenna | 1990-02-19 | Terminated | GB2243489 |
Optical detector | 1990-02-05 | Terminated | GB2245791 |
Communicator | 1990-01-23 | Terminated | GB2240681 |
Reflection filter | 1990-01-23 | Terminated | GB2240190 |
Cable joint closure | 1990-01-18 | Terminated | GB2241386 |
Optical pulse source | 1990-01-18 | Terminated | GB2242327 |
Line coupling sheath | 1990-01-15 | Terminated | GB2242662 |
Audio recording/replay | 1990-01-15 | Terminated | GB2240656 |
Neural network | 1990-01-11 | Terminated | GB2239972 |
A laser oscillator | 1990-01-03 | Terminated | GB2239733 |
Phase modulation | 1989-12-14 | Ceased | GB2254480 |
Drop cable | 1989-12-01 | Ceased | GB2245769 |
Fibre distribution arrangement | 1989-11-23 | Granted | GB2244348 |
Optical fibre coupling device | 1989-11-22 | Terminated | GB2238398 |
Circuits for optical receivers | 1989-10-19 | Ceased | GB2225684 |
Component for electrical circuits | 1989-10-19 | Terminated | GB2226915 |
Digital neural networks | 1989-10-06 | Ceased | GB2236608 |
Optical fibre splice | 1989-09-01 | Ceased | GB2222467 |
Board game | 1989-08-21 | Ceased | GB2236257 |
Self fleeting winch | 1989-08-14 | Terminated | GB2236085 |
Demountable top for telephone pole | 1989-08-08 | Ceased | GB2221935 |
Distributed feedback laser | 1989-08-01 | Terminated | GB2234632 |
A holographic element | 1989-07-31 | Terminated | GB2234605 |
Optical communication system | 1989-07-25 | Ceased | GB2222735 |
Antenna | 1989-07-25 | Ceased | GB2221351 |
Language training | 1989-07-25 | Ceased | GB2242772 |
Optical communications system | 1989-07-13 | Terminated | GB2236895 |
Transmission line ducts | 1989-07-04 | Granted | GB2241121 |
Voice-operated service | 1989-04-26 | Granted | GB2235322 |
An optical network and a method of using the network | 1989-04-25 | Terminated | GB2232548 |
Silicon bipolar phase modulator | 1989-03-30 | Ceased | GB2230616 |
Optical star coupler | 1989-03-02 | Terminated | GB2228799 |
Microstrip antenna | 1989-02-13 | Ceased | GB2234120 |
Protector device | 1989-02-02 | Ceased | GB2215538 |
Noise reduction | 1989-01-18 | Ceased | GB2220330 |
Electrical connector | 1988-11-23 | Ceased | GB2227613 |
Wire insertion tool | 1988-09-30 | Terminated | GB2210302 |
Termination assembly | 1988-09-30 | Ceased | GB2210472 |
Motion estimator | 1988-09-22 | Granted | GB2229603 |
Cable terminator | 1988-09-13 | Ceased | GB2222698 |
An optical space switch | 1988-09-09 | Ceased | GB2209843 |
A waveguide corner | 1988-09-09 | Ceased | GB2228339 |
Apparatus for pattern recognition | 1988-08-26 | Ceased | GB2215503 |
Switching device | 1988-08-10 | Ceased | GB2208776 |
An optical switch | 1988-08-10 | Terminated | GB2223600 |
Duct surface testing | 1988-06-20 | Granted | GB2205960 |
Optical coupling device | 1988-06-15 | Ceased | GB2219869 |
Monitoring apparatus | 1988-06-14 | Terminated | GB2222351 |
A semiconductor device and a method for its production | 1988-06-07 | Terminated | GB2205994 |
Control of optical systems | 1988-05-06 | Granted | GB2213671 |
Thin film resistors | 1988-03-30 | Terminated | GB2207546 |
Optical coupling device | 1988-03-24 | Ceased | GB2232265 |
Telephone apparatus | 1988-01-21 | Ceased | GB2201063 |
Aerial sub-reflector mounting structure | 1988-01-12 | Ceased | GB2201293 |
Artificial ear | 1987-12-31 | Ceased | GB2218300 |
Artificial mouth | 1987-12-31 | Ceased | GB2218299 |
Optical reflection filters | 1987-12-30 | Terminated | GB2215075 |
Optical waveguide connecting component having tapered core | 1987-12-23 | Terminated | GB2213954 |
Forming reinforced structures | 1987-12-14 | Ceased | GB2217236 |
Adaptive filters | 1987-12-14 | Ceased | GB2199216 |
A stochastic coder | 1987-12-09 | Terminated | GB2199215 |
Clip | 1987-11-27 | Ceased | GB2212853 |
Capacitive plug for line verification testing | 1987-11-05 | Granted | GB2212006 |
Resilient mounting in a standby generator system | 1987-10-13 | Ceased | GB2211028 |
Optical devices | 1987-09-18 | Terminated | GB2210873 |
Method of speech coding | 1987-09-02 | Ceased | GB2195220 |
Communications system | 1987-08-14 | Granted | GB2193861 |
Cordless telephones | 1987-08-11 | Granted | GB2195514 |
Transform coding a video signal | 1987-08-03 | Terminated | GB2207829 |
Ringing indicator | 1987-07-31 | Terminated | GB2193419 |
Speech recognition | 1987-07-14 | Granted | GB2192746 |
Reusable cable joint cover | 1987-07-08 | Ceased | GB2193605 |
Cable television distribution system | 1987-06-01 | Terminated | GB2191370 |
Bipolar transistors | 1987-05-13 | Terminated | GB2204730 |
Bipolar transistor | 1987-05-05 | Terminated | GB2204992 |
Apparatus for stripping insulation from cables | 1987-04-14 | Terminated | GB2197757 |
Single frequency transceiver | 1987-03-17 | Ceased | GB2188212 |
Hand tool for stripping the coating from optical fibres | 1987-03-17 | Ceased | GB2193142 |
Self-aligned bipolar fabrication process | 1987-02-27 | Ceased | GB2202370 |
Arithmetic assembly | 1987-02-19 | Terminated | GB2201534 |
Interfacing data units to a telephone line | 1986-12-15 | Ceased | GB2187609 |
Telecommunications switching system | 1986-11-17 | Terminated | GB2198313 |
A decision circuit particularly for a switching device | 1986-11-06 | Ceased | GB2182830 |
Optical resonating device | 1986-10-14 | Terminated | GB2197747 |
Nail fixing device | 1986-09-29 | Terminated | GB2181087 |
Electronic vibrational display | 1986-09-26 | Ceased | GB2181591 |
Clock setting | 1986-08-19 | Terminated | GB2179769 |
Software build control tool | 1986-08-06 | Ceased | GB2178877 |
Optical fibre end-face assessment | 1986-07-16 | Ceased | GB2179145 |
Strap adjusting tool | 1986-06-27 | Ceased | GB2177471 |
Fault testing telephones | 1986-06-02 | Terminated | GB2191364 |
Digital filters | 1986-04-24 | Ceased | GB2175167 |
Attenuation of microwave signals | 1986-04-23 | Ceased | GB2174846 |
Keypad | 1986-04-04 | Ceased | GB2178235 |
Speech coding | 1986-04-02 | Ceased | GB2173679 |
Aerial alignment | 1986-03-17 | Terminated | GB2188147 |
Switching systems | 1986-03-06 | Ceased | GB2172174 |
Optical signal power divider | 1986-03-06 | Ceased | GB2172165 |
Wavelength division multiplexed networks | 1986-01-24 | Ceased | GB2170370 |
Antenna | 1985-11-29 | Ceased | GB2167904 |
Repertory dialling facilities | 1985-11-14 | Granted | GB2167272 |
Bend limiter | 1985-10-14 | Ceased | GB2165663 |
Identification label | 1985-09-13 | Terminated | GB2164916 |
Error generator | 1985-08-23 | Ceased | GB2163627 |
Improvements to cordless telephones | 1985-08-15 | Ceased | GB2163323 |
Heat sink | 1985-08-06 | Terminated | GB2163598 |
Still picture transmission | 1985-08-06 | Granted | GB2163026 |
Logic testing circuit | 1985-07-18 | Terminated | GB2178175 |
Packet systems | 1985-07-13 | Terminated | GB2177877 |
Adaptive filters | 1985-07-02 | Ceased | GB2161345 |
Mode-locked laser light sources | 1985-05-24 | Ceased | GB2161980 |
Transmitting stereo audio signals | 1985-04-24 | Ceased | GB2159023 |
Telecommunication switching system | 1985-04-19 | Terminated | GB2157920 |
Telecommunication switching system | 1985-04-19 | Terminated | GB2157919 |
Optical fibre transmission lines | 1985-03-29 | Terminated | GB2156837 |
Cordless telephone | 1985-03-29 | Terminated | GB2157131 |
Fabrication of semiconductor devices | 1985-02-13 | Terminated | GB2154330 |
Microwave resonator device | 1985-01-17 | Ceased | GB2153598 |
Pulse train processing systems | 1984-12-12 | Terminated | GB2151423 |
Optical wavelength selector | 1984-12-12 | Ceased | GB2152317 |
Television display | 1984-12-07 | Ceased | GB2152782 |
Multiprocessor system | 1984-10-24 | Ceased | GB2148563 |
Optical fibres | 1984-10-24 | Terminated | GB2151369 |
Dialogue system | 1984-10-19 | Ceased | GB2165969 |
Glass compositions | 1984-10-12 | Ceased | GB2148276 |
Method for the production of a metal patterning mask | 1984-10-08 | Terminated | GB2166254 |
Fixed point to floating point conversion | 1984-09-20 | Ceased | GB2149162 |
Cordless telephone system | 1984-09-14 | Terminated | GB2166622 |
Capacitor-carrying plug for line verification testing | 1984-09-12 | Ceased | GB2164504 |
Improvements in or relating to video player control | 1984-09-10 | Terminated | GB2146458 |
Control networks | 1984-09-10 | Ceased | GB2146467 |
Membrane switches | 1984-08-08 | Terminated | GB2144917 |
Floating point to fixed point conversion | 1984-08-07 | Ceased | GB2162977 |
Chamber assembly | 1984-08-02 | Ceased | GB2145580 |
Growth of semiconductors | 1984-06-01 | Ceased | GB2142045 |
Linkable rods | 1984-05-17 | Ceased | GB2140888 |
Positioning of dielectric members | 1984-04-27 | Ceased | GB2140931 |
Semiconductor lasers | 1984-04-18 | Ceased | GB2138999 |
Optical transmission | 1984-04-12 | Terminated | GB2138233 |
Fluid barriers for cables | 1984-03-29 | Ceased | GB2137823 |
Multiplexed optical transmission | 1984-03-13 | Terminated | GB2155719 |
Optical fibre transmission systems | 1984-03-02 | Ceased | GB2136239 |
Optical fibre interferometers | 1984-02-20 | Ceased | GB2136956 |
Optical receivers | 1984-02-09 | Ceased | GB2135551 |
Aligning optical fibres using infra red radiation | 1983-10-21 | Ceased | GB2132786 |
Decoding of minimum redundancy codes | 1983-08-26 | Terminated | GB2146874 |
Apparatus for liquid treatment of articles | 1983-06-28 | Granted | GB2142256 |
Production of compounds for use in semiconductor preparation | 1983-06-15 | Ceased | GB2123422 |
Improvements in or relating to correlation circuits | 1983-06-08 | Ceased | GB2144602 |
Arrangement for cancelling cross-talk between two communications signals | 1983-06-08 | Ceased | GB2123257 |
Mounting dielectric resonators | 1983-05-25 | Terminated | GB2145575 |
Measurement of direct current | 1983-01-25 | Ceased | GB2114307 |
Self propelled reversible boring ram | 1982-12-03 | Granted | GB2111565 |
Optical fibre connector part | 1982-11-10 | Ceased | GB2111239 |
Impedance measurement in 4-wire to 2-wire converters | 1982-09-02 | Ceased | GB2126732 |
Improvements in or relating to monitoring the margin of a digital transmission system | 1982-09-02 | Terminated | GB2105555 |
Positioning of an elongate member in a tube | 1982-08-17 | Ceased | GB2105062 |
A mounting for an opto- electrical transducer and a method of mounting such a transducer | 1982-08-04 | Ceased | GB2105487 |
Laser telecommunications system | 1982-07-12 | Ceased | GB2110498 |
Laser telecommunications system | 1982-07-12 | Ceased | GB2144598 |
Improvements in or relating to hollow poles for cable support | 1982-06-03 | Terminated | GB2121080 |
Monomode optical fibre | 1982-03-24 | Granted | GB2096351 |
Improvements in or relating to mobile radio receivers | 1982-02-16 | Ceased | GB2093301 |
Improvements in or relating to a telecommunications network | 1982-02-09 | Terminated | GB2115649 |
Improvements in or relating to electronic telephone exchanges | 1982-01-25 | Terminated | GB2114398 |
Improvements in or relating to printers | 1981-12-02 | Terminated | GB2113613 |
A method of bonding a semiconductor to a mounting member | 1981-12-01 | Ceased | GB2113590 |
Vehicle with removable body | 1981-12-01 | Ceased | GB2110171 |
Improvements in or relating to telephone systems | 1981-10-28 | Granted | GB2086696 |
Optic Fibre Cables Containing a Dessiccant | 1981-10-23 | Ceased | GB2087589 |
A telecommunications system employing optical signals for transmission | 1981-09-16 | Ceased | GB2153615 |
A telecommunications system employing optical signals for transmission | 1981-09-16 | Ceased | GB2083964 |
Optical fibre cable | 1981-07-21 | Granted | GB2080970 |
Transmission of alarm information over telephone lines | 1981-04-24 | Granted | GB2097567 |
Integrated circuit testing | 1981-01-27 | Ceased | GB2069152 |
Methods of Etching Materials Containing Silicon | 1980-10-02 | Granted | GB2084988 |
A Trigger Circuit | 1980-09-19 | Ceased | GB2084417 |
Visual display units | 1980-09-02 | Ceased | GB2083323 |
Pneumatically propelled duct motor | 1980-08-18 | Ceased | GB2059000 |
Testing of integrated circuits | 1980-07-25 | Ceased | GB2058366 |
Arrangement for monitoring the performance of a digital transmission system | 1979-06-15 | Ceased | GB2020132 |
Improvements in or relating to piezoelectric materials and to apparatus and methods for producing such material | 1979-06-15 | Ceased | GB2020483 |
Syllabic compander with logarithmic chain | 1979-06-07 | Granted | GB2024573 |
Submarine optical fibre cable | 1979-05-18 | Granted | GB2021282 |
Producing optical fibre | 1979-03-07 | Ceased | GB2016443 |
Location of contactfaults on electrocally conductive cable | 1979-01-26 | Granted | GB2022848 |
Microwave switching apparatus | 1979-01-23 | Granted | GB2013409 |
Method and apparatus for synchronising waveforms | 1978-12-21 | Ceased | GB2009541 |
Underwater cables | 1978-12-12 | Granted | GB2010528 |
Electret transducer backplate, electret transducer and method of making an electret transducer | 1978-11-28 | Ceased | GB2011760 |
Improvements in or relating to the growth of semiconductor compounds | 1978-11-16 | Ceased | GB2008084 |
Improvements in or relating to the switching of digital signals | 1978-11-07 | Granted | GB2027565 |
Control apparatus | 1978-10-17 | Granted | GB2007015 |
Improvements in or relating to audio teleconferencing | 1978-10-17 | Ceased | GB2008359 |
Metal/oxide lanthanum nickel hydride storage batteries | 1978-09-20 | Granted | GB2005905 |
Equalizer networks | 1978-08-30 | Granted | GB2005943 |
Electroacoustic transducer for a microphone | 1978-08-21 | Ceased | GB2003364 |
Echo cancellers | 1978-07-12 | Granted | GB2002203 |
Improvements in or relating to the stabilisation of injection lasers | 1978-07-06 | Ceased | GB2025121 |
Four-component glass for optical fibres | 1978-06-28 | Ceased | GB2002341 |
Improvements relating to semiconductor lasers | 1978-06-22 | Granted | GB2000631 |
Telecommunications submarine cable assemblies | 1978-06-14 | Ceased | GB2000390 |
Coin or token mechanisms | 1978-06-09 | Ceased | GB2022897 |
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