BRITISH BROADCASTING CORPORATION patents filed

Company number: NF002275


Title Date Filed Status Publication number
Method and apparatus for conversion of dynamic range of video signals 2016-04-21 Awaiting First Examination GB2549521
Video Encoding and Decoding with selection of prediction units 2015-11-27 Awaiting First Examination GB2548750
Multicast network system and method 2015-09-28 Awaiting First Examination GB2542632
Method and apparatus for conversion of HDR signals 2015-02-06 Awaiting First Examination GB2534929
Video encoding and decoding with adaptive quantisation 2015-01-29 Awaiting First Examination GB2534604
Subtitling method and system 2014-10-15 Awaiting First Examination GB2531508
Method and apparatus for improved QAM constellations 2014-03-10 Awaiting First Examination GB2523999
Method and apparatus for improved signal processing for high dynamic range 2014-02-27 Awaiting First Examination GB2526047
Content delivery 2014-01-03 Awaiting First Examination GB2521845
Adaptive scaling control 2013-06-13 Terminated GB2515078
Transmission techniques 2013-05-13 Granted GB2515892
Video coding and decoding comprising intensity dependent quantisation dependent on a IDQ profile 2013-04-05 Awaiting First Examination GB2503766
Focus detection 2012-11-05 Terminated GB2507576
Video Encoding and Decoding with Chrominance Sub-sampling 2012-08-24 Terminated GB2505408
Networked studio arrangement 2012-06-25 Awaiting First Examination GB2503457
Video coding and decoding 2012-06-19 Awaiting First Examination GB2503234
Converting Audio, Video and Control Signals and data streams for a network 2012-02-10 Granted GB2499261
Method and apparatus for an on-channel repeater 2011-12-19 In Order For Grant GB2497772
MIMO decoding system 2011-11-28 Awaiting Applicant's Response GB2496918
Processing audio-video data to produce metadata 2011-09-09 Granted GB2494455
Video encoding and decoding using reference pictures 2011-06-27 Granted GB2492337
Method and apparatus for memory access in an interleaver 2011-05-31 Awaiting First Examination GB2491377
Processing audio data for producing metadata 2011-05-11 Granted GB2490877
Compression of pictures 2010-12-23 Granted GB2486726
Additional service synchronisation using time server 2010-09-02 Terminated GB2483277
Producing edit decision list by comparing edited video with source video 2010-08-31 Pending GB2483250
Processing audio-video data to produce multi-dimensional complex metadata 2010-05-28 Terminated GB2481185
Content Provision System 2010-05-25 Terminated GB2479947
Content provision system 2010-05-25 Granted GB2538179
System for altering web pages requested from a remote source in accordance with user preferences 2010-05-14 Terminated GB2480598
Determining playback points in recorded media content 2010-04-01 Pending GB2479711
Provisioning of customised media content 2010-03-30 Terminated GB2479164
Providing on-demand and broadcast television 2010-03-26 Terminated GB2522577
EPG showing past, current and future TV programme schedules and allowing previously broadcast programmes to be streamed over the internet 2010-03-26 Terminated GB2479342
Seamless splicing between audio and video streams by aligning audio ES packets with video IDR locations 2010-01-13 Granted GB2477263
A method of encoding video data 2009-11-27 Granted GB2475721
Transmitting three-dimensional (3D) video via conventional monoscopic (2D) channels as a multiplexed, interleaved data stream 2009-05-21 Terminated GB2470402
Improvements Relating to On-Channel Repeaters 2008-10-21 Terminated GB2454082
Improvements relating to adaptive filters such as used in on-channel repeaters 2008-10-21 Granted GB2454081
Providing a volumetric representation of an object 2008-03-13 Granted GB2458305
Interleaving or de-interleaving a stream of data received in successive frames 2007-11-07 Ceased GB2456292
Signal discovery 2007-11-05 Granted GB2454262
Improved cyclic delay diversity 2007-06-04 Granted GB2449858
OFDM-MIMO Radio Frequency Transmission System 2007-05-23 Granted GB2449470
Addressing of groups of broadcast satellite receivers within a portion of the satellite footprint 2006-08-01 Ceased GB2428946
Controlling Advanced User Interfaces for Navigation 2006-07-12 Granted GB2440385
System for and method of accessing multiple data sources 2006-05-19 Granted GB2438227
Methods and apparatus providing central, primary displays with surrounding display regions 2006-04-06 Terminated GB2436921
Detecting and correcting I/Q crosstalk in complex quadrature-modulated signals 2005-12-23 Terminated GB2433684
Accessing broadcast media 2005-06-21 Granted GB2415567
Signal strength indicator for digital systems which use guard intervals, such as OFDM 2005-02-21 Ceased GB2423449
Transmission of a data signal in an audio signal 2004-07-14 Terminated GB2416285
Selecting for enlargement and display an image from a mosaic of a plurality of images 2004-03-23 Ceased GB2412519
Camera position determination 2004-02-11 Ceased GB2411532
OFDM receivers 2003-07-04 Granted GB2390517
Key signal generation from a sequence of images 2003-05-20 Granted GB2402010
Automated video production 2003-05-20 Granted GB2402011
Data processing 2003-05-07 Ceased GB2437579
Generation of an image from a selected viewpoint using real scene image source data 2003-03-14 Granted GB2400513
Volumetric representation of a 3D object 2003-02-04 Granted GB2399703
Parameterised texture mapping 2002-09-10 Ceased GB2393088
Allocating a bitrate for a data signal according to the complexity of an associated audio signal 2002-08-22 Ceased GB2392359
Signal comparison method and apparatus 2002-07-31 Ceased GB2391322
An OFDM receiver obtains, for each symbol, a composite channel state indication, representing the channel state in a plurality of carriers 2002-05-01 Ceased GB2378364
An improved method and system for accessing video data 2002-03-19 Ceased GB2386739
Virtual studio system 2002-03-15 Granted GB2386489
Digital radio communication system 2002-02-27 Ceased GB2397979
Improvements relating to chrominance selective filtering for use in colour video signal decoding 2001-07-20 Ceased GB2365247
Generating formatted subtitles 2001-06-11 Ceased GB2405014
Method for analysing an electronic text file 2001-06-11 Ceased GB2401973
Broadcast signal recording via internet 2001-03-12 Terminated GB2363894
Improvements in channel state measurement and in discriminating digital values from a received signal suitable for use with OFDM signals 2001-01-05 Ceased GB2370952
Producing a soundtrack for moving picture sequences 2001-01-04 Ceased GB2370954
Transmission of OFDM signals, involving selection from a plurality of possible signals based on estimated transmission quality 2000-11-29 Ceased GB2362304
Multi-carrier signal and transmission and reception thereof 2000-07-21 Ceased GB2365283
A circuit for simulating an impedance 2000-07-20 Ceased GB2365235
Tracking of moving objects 2000-05-19 Granted GB2352899
Watermarking 2000-03-20 Ceased GB2351409
Watermarking 2000-03-20 Ceased GB2386279
Watermarking 1999-12-22 Ceased GB2348071
Improvements in colour displays 1999-07-20 Ceased GB2341998
Improvements relating to OFDM receivers 1999-04-07 Ceased GB2348783
Re-encoding audio signals 1998-09-23 Ceased GB2344728
Data transmission 1998-07-29 Granted GB2340351
Multiple conversion radio receivers 1998-05-29 Ceased GB2337883
Method of and apparatus for editing audio or audio-visual recordings 1998-05-08 Terminated GB2326516
Demoulding digital video broadcast siginals 1998-05-05 Ceased GB2326070
Many-carrier transmission system and a receiver therefor 1998-05-05 Ceased GB2324936
Improvements to OFDM symbol synchronization 1998-05-01 Ceased GB2361157
Demodulating digital video broadcast signals 1998-04-27 Ceased GB2325125
Demodulating digital video broadcast signals 1998-04-27 Ceased GB2325129
Cascaded video up conversion and down conversion 1998-03-06 Granted GB2335104
Video compression 1998-01-22 Ceased GB2333656
Re-encoding decoded signals 1997-07-18 Granted GB2327577
Position determination 1997-05-30 Granted GB2325807
Video and audio signal processing 1997-05-30 Ceased GB2326781
Radio-frequency amplifiers 1996-12-24 Ceased GB2320827
Spillover Reduction in an OFDM Repeater 1996-10-30 Granted GB2306082
Blemish concealment in video signals 1996-07-31 Ceased GB2305054
Selectively transmitting information within a colour video signal 1996-04-02 Terminated GB2311904
Mobile Radio Communication System with Diversity Reception 1995-11-20 Terminated GB2307375
Correlation of OFDM signals 1995-10-30 Ceased GB2306084
Switching between bit-rate reduced video signals 1995-08-31 Granted GB2307613
Video motion estimation 1995-02-02 Ceased GB2301255
Recording the call sign of a radio station for play back when tuned 1994-11-08 Granted GB2295062
Synchronising video and audio signals 1993-11-24 Ceased GB2273215
Method for synchronising transmitter frequencies in common wave digital audio broadcast 1993-09-15 Ceased GB2285902
Improvements relating to the transmission of frequency division multiplex signals 1993-09-06 Ceased GB2270819
A machine method for compensating for non-linear picture transformations,eg.zoom and pan,in a video image motion compensation system 1993-03-24 Granted GB2280082
Motion compensated video image processing 1993-02-26 Ceased GB2279200
Chroma signal motion detector 1993-02-22 Terminated GB2280079
Improvements in television systems 1992-10-30 Ceased GB2275586
Television synchronising signal regenerator 1992-07-03 Ceased GB2268656
Video signal processing 1992-05-26 Ceased GB2256341
Method and apparatus for video signal bandwidth reduction with high quality compatible signal 1992-05-15 Ceased GB2255874
Temporary structure 1992-03-25 Terminated GB2265653
Video image processing 1992-01-31 Ceased GB2253760
Increasing horizontal bandwidth of weston pal chrominance signals 1991-11-21 Ceased GB2252008
Multichannel operation of rds 1991-10-25 Terminated GB2251767
Signal monitoring apparatus 1991-10-03 Terminated GB2260243
Decoding of composite television signals 1991-08-21 Terminated GB2258969
Motion vector assignment to video pictures 1991-06-19 Granted GB2259625
Broadcast receiver system 1991-05-30 Granted GB2260232
Synchronisation of digital audio signals 1991-03-25 Ceased GB2244160
Videodisc scanning standards conversion apparatus 1991-02-14 Terminated GB2248743
Generation of interlaced TV signals by interpolation 1991-02-11 Granted GB2243514
Video display system 1991-01-22 Ceased GB2243046
Buffer synchronisation in a variable transmission rate codec 1991-01-16 Ceased GB2242097
Buffer regulation 1991-01-16 Ceased GB2274041
Television systems 1990-11-05 Ceased GB2240235
Datv system having software used for decoding datv signal within the datv signal 1990-06-05 Ceased GB2232846
Electronic clapperboard for television sound-vision synchronisation 1990-05-11 Ceased GB2243969
Colour display device 1990-01-23 Terminated GB2240213
High definition television coder/decoder 1990-01-19 Granted GB2268662
Portable radio receivers 1989-12-18 Terminated GB2239361
Improved programme delivery control 1989-12-06 Granted GB2238925
Aligning two audio signals in time,for editing 1989-11-14 Granted GB2226718
Hdtv video signal bit-rate reduction 1989-09-20 Terminated GB2236228
Descrambling system for broadcast television signals scrambled by active line rotation 1989-07-11 Ceased GB2251760
Line tilt measurement system for broadcast television signals 1989-07-11 Ceased GB2222342
Improvements in television signals 1989-07-11 Ceased GB2221813
Bandwidth reduction system for television 1989-06-22 Ceased GB2221367
Bandwidth reduction for television with reduced dot patterning 1989-06-22 Ceased GB2246049
Data synchronisation 1989-06-20 Ceased GB2220093
Remote control system for downloading 1989-04-24 Ceased GB2219160
Tracking system and method for transmitted time discontinuous signals 1989-03-10 Ceased GB2217137
Bandwidth reduction for the transmission of colour television signals 1988-12-30 Ceased GB2213347
The use of interlace in fractal scanning 1988-03-17 Ceased GB2215935
Picture coder/decoder with motion-compensated adaptive predictor 1988-02-17 Ceased GB2215160
Signal transmission system 1988-02-16 Terminated GB2202416
Thermo-optio deflector 1988-02-02 Ceased GB2215071
DPCM picture coding 1988-01-08 Ceased GB2214750
Method and apparatus for transmitting a digitally assisted television signal 1987-12-08 Ceased GB2213341
Improvements in radio receivers 1987-12-04 Ceased GB2213336
Video display system 1987-12-02 Ceased GB2198609
3d video transmission 1987-11-03 Granted GB2198310
Laser scanning system 1987-10-22 Ceased GB2211315
Video transmission system 1987-08-28 Ceased GB2195216
A screening housing and mounting for electronic circuit boards 1987-08-20 Ceased GB2208970
Scrambling of analogue electrical signals 1987-07-20 Terminated GB2207328
Improvements relating to television 1987-07-15 Ceased GB2195061
Video scanning using a fractal curve 1987-07-13 Ceased GB2193411
Array antenna 1987-05-13 Ceased GB2196482
Video signal processing 1987-03-27 Granted GB2202706
Data transmission 1987-03-10 Terminated GB2196516
Tv picture motion measurement 1987-02-05 Granted GB2188510
Video signal processing for bandwidth reduction 1987-02-05 Ceased GB2188509
Method of coding a video signal for transmission in a restricted bandwidth 1986-12-23 Ceased GB2191656
Limiting component video signal 1986-11-21 Ceased GB2198008
Information transfer system 1986-11-14 Terminated GB2198014
Timing signals 1986-07-14 Terminated GB2194866
Computer graphics 1986-06-19 Ceased GB2191919
Digital data transmission 1986-05-09 Ceased GB2177280
Testing digital audio systems 1986-05-02 Ceased GB2175406
PAL coders and decoders 1986-04-08 Ceased GB2173971
Mixed polarization panel aerial 1985-12-11 Ceased GB2168538
Adaptable transmitter and antenna arrangement 1985-10-23 Terminated GB2182206
Digital data transmission with a video signal 1985-09-27 Ceased GB2165129
Waveform synthesiser 1985-09-12 Ceased GB2170071
Measurement of film unsteadiness in a video signal 1985-09-09 Ceased GB2187913
Variable speed replay of digital audio with constant output sampling rate 1985-08-23 Ceased GB2163590
Image run length coding and decoding 1984-12-21 Ceased GB2168871
Conditional-access broadcast transmission 1984-12-19 Terminated GB2151886
Scrambled television sound signals 1984-05-09 Ceased GB2141897
Error correction in data transmission or processing 1984-04-17 Granted GB2139458
Digital data transmission 1984-04-16 Granted GB2139050
Multiplexed digital data transmission 1984-04-13 Ceased GB2139049
Processing of periodic signals 1984-02-01 Ceased GB2153618
Amplitude-modulated radio transmitter 1983-11-10 Terminated GB2133648
Dynamic range control of a signal 1983-09-21 Ceased GB2179808
Dynamic range control of a signal 1983-09-21 Ceased GB2179809
Data transmission 1983-07-13 Ceased GB2124807
Audio transformers for safety isolation 1983-07-13 Ceased GB2125228
Concealment of defects in a video signal 1983-07-12 Ceased GB2160740
Concealment of defects in a video signal 1983-07-12 Ceased GB2124449
Headphone level protection circuit 1983-05-26 Ceased GB2120903
Headphone level protection circuit 1983-05-26 Ceased GB2152785
Improvements in telecine machines 1983-03-29 Ceased GB2154829
Measuring the amount of unsteadiness in video signals derived from cine film 1983-03-11 Granted GB2139037
Improvements relating to digital data transmission 1983-01-21 Granted GB2116403
Colour video signal processing 1982-09-20 Granted GB2127250
Colour television system 1982-07-09 Ceased GB2105548
Testing film transport mechanism 1982-06-28 Ceased GB2101346
Key-operated machine 1982-06-25 Terminated GB2122947
Generating a colour video signal representative of a stored picture 1982-01-28 Ceased GB2114404
Video signal coding 1981-09-24 Ceased GB2106348
Television systems 1981-09-02 Terminated GB2105150
Apparatus for processing a video signal and an associated sound signal 1981-07-13 Ceased GB2103457
Method of transmitting electrical sound signals from an air-supplying helmet 1981-06-01 Terminated GB2101856
Decoding and filtering of colour television signals 1981-06-01 Ceased GB2079091
Coding and decoding of PAL colour television signals 1981-02-19 Granted GB2069798
Coding and decoding of pal colour television signals 1981-02-19 Granted GB2137845
Video colour graphics apparatus 1980-11-12 Granted GB2090506
Broadcast information transmission 1980-06-09 Ceased GB2078468
Signal genrator for television testing 1980-05-22 Granted GB2055004
Random number generator 1980-05-14 Granted GB2076570
Television display system 1980-05-08 Granted GB2050109
Ntsc colour television signal processing 1980-04-15 Granted GB2054313
Processing of ntsc colour television signals 1980-03-31 Ceased GB2045577
Selective message broadcasting system 1980-01-29 Terminated GB2068685
Data transfer system 1980-01-15 Ceased GB2044446
Bradcast teletext system 1979-10-31 Granted GB2062424
Digital demodulation or modulation of television chrominance signals 1979-09-12 Ceased GB2059711
Movement detector for television signals 1979-08-01 Ceased GB2055495
Decoding digital colour television signals 1979-06-22 Ceased GB2050746
Digital television transmission system and encoder and decoder therefor 1979-06-20 Ceased GB2051517
Cyclic redundancy data check encoding method and apparatus 1979-05-02 Ceased GB2035014
Processing circuit for colour television signals 1979-03-21 Granted GB2018087
Method of and apparatus for processing data particularly digital audio signals 1979-03-21 Ceased GB2017987
Decoding shortened cyclic block codes 1979-03-16 Granted GB2018095
Method of and Apparatus for Enhancing Television Pictures etc. 1979-03-09 Granted GB2044050
Digital programme level meter 1979-01-16 Granted GB2039693
Multilayer electrical circuit boards 1979-01-02 Terminated GB2039153
Colour television processors 1978-10-12 Granted GB2007067
Method and apparatus for processing pal colour television signals in digital form 1978-08-16 Ceased GB2003695





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