GRASS VALLEY GROUP, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 2136
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 2240
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 1134
 
  
 
H03M CODING, DECODING OR CODE CONVERSION, IN GENERAL 1110
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION157
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6411520 Modular equipment frame and modulesApr 18, 00Jun 25, 02[H05K]
6104997 Digital audio receiver with multi-channel swappingApr 22, 98Aug 15, 00[H04K]
RE36750 Method and apparatus for adding texturing highlights to a video signalJul 27, 92Jun 27, 00[H04N]
6044197 Recording of time code in a databaseMar 14, 94Mar 28, 00[H04N, G11B]
5519828 Video editing operator interface for aligning timelinesDec 19, 94May 21, 96[G06F]
5274372 Sampling rate conversion using polyphase filters with interpolationOct 23, 92Dec 28, 93[H03M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7013361 Routing switcher with variable input/output architectureExpiredOct 12, 01Mar 14, 06[G06F]
6965723 Non-linear video edit systemExpiredMay 11, 00Nov 15, 05[G06T, G11B]
6763177 Non-linear video edit systemExpiredMay 11, 00Jul 13, 04[G06T, G11B]
5523756 Analog-to-digital converter with offset reduction loopExpiredJan 18, 94Jun 04, 96[H03M]
5123032 Analog "blue" signal detectorExpiredJul 20, 89Jun 16, 92[H04L]
5051928 Color correction for video graphics systemExpiredDec 28, 87Sep 24, 91[G06F]
5016259 Low jitter DDFS FSK modulatorExpiredMar 03, 89May 14, 91[H04L]
5012329 Method of encoded video decodingExpiredFeb 21, 89Apr 30, 91[H04N]
4888768 Frame format for video codecExpiredJul 06, 87Dec 19, 89[H04J]
4885582 "Simple code" encoder/decoderExpiredSep 28, 87Dec 05, 89[H03M]
4870479 Video graphics memory storage reduction techniqueExpiredMay 02, 88Sep 26, 89[H04N]
4868895 Optical device copensatorExpiredMar 14, 89Sep 19, 89[H04B]
4859955 Apparatus for smoothing an abrupt change in signal levelExpiredNov 06, 85Aug 22, 89[H03K, H03B]
4860098 Video discrimination between different video formatsExpiredSep 19, 88Aug 22, 89[H04N]
4852035 Simple coefficient half-bandwidth digital filter for video data compressionExpiredJul 06, 87Jul 25, 89[G06F]
4849746 Digital video generatorExpiredApr 07, 86Jul 18, 89[G09G]
4846705 Backplan connectorExpiredMar 25, 86Jul 11, 89[H01R]
4827253 Video compositing using a software linear keyerExpiredSep 26, 88May 02, 89[G09G]
4799026 Multifunction amplifierExpiredSep 16, 87Jan 17, 89[H03F]
4791483 Adaptive differential pulse code modulation video encoderExpiredNov 20, 87Dec 13, 88[H04N]

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