198725 ⎘
Signal processing not specific to the method of recording or reproducing; Circuits therefor; Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of the recording medium wherein the material that the record carrier is made of is altered, e.g. adding reactive dyes that alter the optical properties of a disc after prolonged exposure to light or air
Optically variable device mastering system, method of authenticating articles employing the same, and resultant article
#2Authenticatable articles and methods therefor
#3Method and system for rotational control of data storage devices
#4Deterring theft of optical media
#5Optical disc, playback apparatus for optical disc, and apparatus and method for manufacturing optical disc
#6System and method for combining pre-mastered errors with marks or printed spots on optical media
#7Method of manufacturing a limited use data storing device
#8Read-once record medium and a system with read protecting function
#9Activation system and method for activating an optical article
#10Activation system and method for activating an optical article
#11OPTICAL MEDIA FORMAT
#12Read-once record medium and a system with read protecting function
#13Data retrieval systems
#14Limited use memory device with associated information
#15Data retrieval systems
#16Limited play optical article
#17Limited play optical article
#18PIRACY PROTECTED RECORDING MEDIA
#19Optical disc with a theft deterrent coating
#20Hybrid optical disc
#21TRACK SHUFFLING SYSTEM AND METHOD
#22Method for modifying optical path on optical recording medium having distortion regions
#23Persistent Electro-Optic Devices and Processes for Optical Media
#24CHANGING LIGHT ABSORPTION BY DISRUPTION OF CONJUGATION
#25Read-Side Anti-Theft Discs
#26METHOD AND APPARATUS FOR CONTROLLING ACCESS TO STORAGE MEDIA
#27METHOD AND APPARATUS FOR CONTROLLING ACCESS TO STORAGE MEDIA
#28Limited life medium
#29AUTHENTICATABLE ARTICLES AND METHODS THEREFOR
#30Storage Media Access Control Method and System
#31MATERIALS FOR OPTICAL MEDIUM COPY-PROTECTION TRANSIENTLY REACTING TO A READER BEAM
#32OPTICAL ARTICLE HAVING A THERMALLY RESPONSIVE MATERIAL AS AN ANTI-THEFT FEATURE AND A SYSTEM AND METHOD FOR INHIBITING THEFT OF SAME
#33Reversible Optical Shutter Driver
#34AUTHENTICATING POLYMERIC FILM
#35Wireless Activation System and Method
#36Method of manufacturing a limited use data storing device
#37Optical media device with minipulatable read capability
#38ACTIVATION CONFIRMATION FEEDBACK CIRCUITS AND METHODS
#39Anti-theft system for optical products
#40Read-once record medium and a system with read protecting function
#41Chemical compositions for authenticatable polymers and articles, and authentication methods thereof
#42DATA-PROTECTED DIGITAL RECORDING MEDIA
#43Authentication method and system
#44OPTICALLY VARIABLE DEVICE MASTERING SYSTEM, METHOD OF AUTHENTICATING ARTICLES EMPLOYING THE SAME, AND RESULTANT ARTICLE
#45Method For Producing An Anti-Theft/Anti-Copy Optical Medium
#46Marking articles using a covert digitally watermarked image
#47STRUCTURES AND PROCESSES FOR CONTROLLING ACCESS TO OPTICAL MEDIA
#48Optical data storage article having a physical surface modification as an anti-theft feature and a system and method for inhibiting theft of same
#49Electro-Optic Device and Process for Optical Media
#50Stable Electro-Chromic Device
#51Data distributing-machine with controled atmosphere
#52Fluid mediated disk activation and deactivation mechanisms
#53Optical disc registration system
#54Data retrieval methods
#55Data recovery systems
#56Selectively enabling playback of content on an optical medium
#57Authentication method and system
#58Security and storage system and method
#59Limited use memory device with associated information
#60Limited play optical devices with interstitial reactive layer and methods of making same
#61Piracy-protected recording media
#62Optical disc with a theft deterrent coating
#63Optical media, read inhibiting agents and methods of making and using same
#64Optical media, read inhibiting agents and methods of making and using same
#65Optical media, read inhibiting agents and methods of making and using same
#66Chemical compositions for authenticatable polymers and articles, and authentication methods thereof
#67Optical media, read inhibiting agents and methods of making and using same
#68Deterring theft of optical media
#69Optical media, read inhibiting agents and methods of making and using same
#70Absorptive coating on a disc to create a reflective modulation for encryption
#71Wireless activation system and method
#72Method and apparatus for controling access to storage media
#73Laser reactive dyes for DVD copy protection system
#74Copy-protected optical media and method of manufacture thereof
#75Media and method for limiting access to data thereon
#76Method and apparatus for controlling access to storage media
#77Methods and apparatus for rendering an optically encoded medium unreadable and tamper-resistant
#78Storage media access control method and system
#79Digital content kiosk and associated methods for delivering selected digital content to a user
#80System for applying markings to optical media