GRASS VALLEY (US) INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 50192
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 8439
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 4194
 
  
 
H04B TRANSMISSION 3207
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 2133
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 2149
 
  
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 261
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 278
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION256
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 196

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7268825 Digital synchronizing generatorJan 20, 04Sep 11, 07[H04N]
6831704 Linking external devices to switcher transitionsJul 30, 99Dec 14, 04[H04N]
6597376 Mix/effect status displayJul 30, 99Jul 22, 03[G09G]
6574655 Associative management of multimedia assets and associated resources using multi-domain agent-based communication between heterogeneous peersJun 29, 99Jun 03, 03[G06F]
6549190 Graphical source identification displayJun 23, 99Apr 15, 03[G09G]
6526169 Histogram-based segmentation of objects from a video signal via color momentsMar 15, 99Feb 25, 03[G06K]
6504569 2-D extended image generation from 3-D data extracted from a video sequenceApr 22, 98Jan 07, 03[H04N]
6480545 Architecture for multi-format video processingAug 11, 99Nov 12, 02[H04N]
6452643 Linking keyers to background source selectionsSep 08, 99Sep 17, 02[H04N]
6437831 Effects recall between mix/effects banksJul 30, 99Aug 20, 02[G03B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7496728 Asynchronous jitter reduction techniqueExpiredFeb 10, 04Feb 24, 09[G06F, G11C]
2005/0177,662 Modular broadcast television productsAbandonedOct 01, 04Aug 11, 05[G06F]
6588018 Method for automating updating of configuration/status information in master control switcherExpiredApr 09, 99Jul 01, 03[H04N]
6289172 Disk-based digital video recorderExpiredJun 30, 97Sep 11, 01[H04N]
6249555 Low jitter digital extraction of data from serial bitstreamsExpiredJul 14, 97Jun 19, 01[H04L]
5949490 Distributing video buffer rate control over a parallel compression architectureExpiredJul 08, 97Sep 07, 99[H04N]
5943508 Switcher using shared decompression processors for processing both broadband and compressed video dataExpiredJul 28, 97Aug 24, 99[H04N]
5786871 Constant luminance correctorExpiredApr 01, 96Jul 28, 98[H04N]
5739862 Reverse playback of MPEG videoExpiredDec 23, 96Apr 14, 98[H04N]
5712687 Chrominance resampling for color imagesExpiredApr 25, 96Jan 27, 98[H04N]
5699120 Motion vector using a transform function identification signalExpiredOct 13, 95Dec 16, 97[H04N]
5696849 Cascaded anti-aliasing filter control for sampled imagesExpiredApr 07, 95Dec 09, 97[G06K]
5682209 Motion estimation using limited-time early exit with prequalification matrices and a predicted search centerExpiredNov 13, 95Oct 28, 97[H04N]
5654762 Block matching for picture motion estimation using gray codesExpiredMay 01, 95Aug 05, 97[H04N]
5619198 Number format conversion apparatus for signal processingExpiredDec 29, 94Apr 08, 97[H03M]
5585868 Video quality improvementExpiredMay 01, 95Dec 17, 96[H04N]
5561714 Scrambling system for serial digital videoExpiredDec 12, 94Oct 01, 96[H04L, H04N, H03M]
5561723 Localized image compression calculation method and apparatus to control anti-aliasing filtering in 3-D manipulation of 2-D video imagesExpiredMar 09, 92Oct 01, 96[H04N, G06K]
5534939 Digital video clock generation systemExpiredDec 09, 94Jul 09, 96[H04N]
5528308 Direct synthesis of a digital audio sample clockExpiredMay 31, 94Jun 18, 96[H04N]

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