MACROVISION CORPORATION

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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 55187
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 11127
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 9276
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 8439
 
  
 
H04K SECRET COMMUNICATION; JAMMING OF COMMUNICATION553
 
  
 
G07D SORTING, TESTING, CHANGING, DELIVERING, OR OTHERWISE HANDLING COINS; TESTING OR CHANGING PAPER CURRENCY; TESTING SECURITIES, BONDS, OR SIMILAR VALUABLE PAPERS 235
 
  
 
C11B PRODUCING, e.g. BY PRESSING RAW MATERIALS OR BY EXTRACTION FROM WASTE MATERIALS, REFINING OR PRESERVING FATS, FATTY SUBSTANCES, e.g. LANOLIN, FATTY OILS OR WAXES; ESSENTIAL OILS; PERFUMES 124
 
  
 
G06Q DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR 1173
 
  
 
G11C STATIC STORES 1150
 
  
 
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 162

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7721338 Defeat of the copy protection of optical discsFeb 04, 05May 18, 10[G06F]
7716138 Method for discouraging the distribution of illegal copies of computer programs over file sharing networksJan 10, 07May 11, 10[G06F]
7716744 Apparatus and method for monitoring and controlling access to data on a computer readable mediumAug 09, 06May 11, 10[G06F]
7702591 System and methods providing secure delivery of licenses and contentJan 20, 06Apr 20, 10[G06F]
7685641 Copy-protected digital audio compact disc, and method and system for producing sameAug 22, 00Mar 23, 10[H04N, G06F, G11B]
7664369 Method and apparatus for improving the playability of a PAL or NTSC video signal containing color burst modificationsJun 19, 02Feb 16, 10[H04N]
7609944 Copy protection of optical discsJul 05, 06Oct 27, 09[H04N, G06F, G11C, H04K]
7581013 Method for computer network operation providing basis for usage feesAug 17, 04Aug 25, 09[G06F]
RE40689 Method and apparatus for disabling anti-copy protection system in video signalsMar 16, 95Mar 31, 09[H04N, G11B]
7464411 Copy protection for optical discsJul 26, 01Dec 09, 08[H04K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7706533 Copy protection for video signal using narrowed horizontal synchronization signalsExpiredMay 07, 07Apr 27, 10[H04N]
2010/0021,133 METHOD FOR COPY PROTECTION FOR VIDEO SIGNAL WITH ADDED PULSESAbandonedOct 06, 09Jan 28, 10[H04N]
7620178 Copy protection for video signal added pulsesExpiredMay 07, 07Nov 17, 09[H04N]
2009/0217,388 Apparatus for and a method of copy-protecting a content carrying recording mediumAbandonedFeb 27, 08Aug 27, 09[G06F]
2009/0172,824 Corruption of swarm downloads in a decentralized network employing advanced intelligent corruption handlingAbandonedDec 28, 07Jul 02, 09[H04L, G06F]
7492896 Copy protection for video signal using added negative amplitude pulseExpiredMay 07, 07Feb 17, 09[H04N]
2008/0309,816 TELEVISION CONTENT CONTROL SYSTEM AND METHOD WITH CROSS-PLATFORM CAPABILITYAbandonedJun 03, 08Dec 18, 08[H04N]
2008/0279,077 Apparatus for and a method of enabling copying a copy-protected recording mediumAbandonedMay 09, 07Nov 13, 08[G11B]
2008/0133,928 A COMPUTER-IMPLEMENTED METHOD AND SYSTEM FOR EMBEDDING AND AUTHENTICATING ANCILLARY INFORMATION IN DIGITALLY SIGNED CONTENTAbandonedFeb 14, 08Jun 05, 08[H04L]
2008/0100,597 Method and apparatus to improve playability in overscan areas of a TV displayAbandonedOct 25, 06May 01, 08[G09G]
2008/0089,435 COMPUTER-IMPLEMENTED METHOD AND SYSTEM TO ENABLE OUT OF BAND TRACKING FOR DIGITAL DISTRIBUTIONAbandonedDec 10, 07Apr 17, 08[H04L]
7352863 Copy protection for video signal using narrowed horizontal synchronization signals and amplitude modulationExpiredAug 16, 05Apr 01, 08[H04N]
2007/0255,576 Service providing an electronic market for the distribution of promotional material using software installation packagesAbandonedApr 26, 06Nov 01, 07[G06Q]
2007/0242,930 Method and apparatus for modifying a video signal or for providing a copy protection signal by adding selected negative going and positive going pulsesAbandonedMay 09, 07Oct 18, 07[H04N]
2007/0189,578 Computer-implemented method and system for perceptual cryptography in file-sharing environmentsAbandonedMar 31, 06Aug 16, 07[G06K]
2007/0162,390 Techniques for distributing and monitoring contentAbandonedDec 22, 05Jul 12, 07[G06Q]
2006/0206,539 Method and system for retroactive loggingAbandonedMar 09, 05Sep 14, 06[G06F]
2006/0195,696 Method and apparatus for enhanced audio/video services with watermarks and associated dataAbandonedApr 13, 06Aug 31, 06[H04L]
2006/0116,963 System and methods providing secure delivery of licenses and contentAbandonedJan 20, 06Jun 01, 06[G06Q]
2006/0093,139 Defeat method and apparatus for content management for high definition televisionAbandonedOct 25, 05May 04, 06[H04N]

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