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| Number | Title | Issue Date |
| 8031869 | Information recording medium, usage management method, and usage management apparatus A digital work (102) and copyright management information (103) for the digital work are recorded on an information recording medium (101) by altering a shape, a position or a pattern (104, 105) of recording mark edges of the digital work... | 10/04/2011 |
| 7920702 | Digital rights management system and method A system and a method for providing variable security mechanisms for securing digital content, in which a single security mechanism is not used for all content. Instead, at least one characteristic or feature of the security mechanism is varied between units, instan... | 04/05/2011 |
| 7835520 | Unique identifier per chip for digital audio/video data encryption/decryption in personal video recorders The invention provides techniques to implement unique identifier for an integrated chip and how this ID can be employed to enhance the security of content in personal video recorder type systems. The storage device can be a hard disk, a removable storage medium or a... | 11/16/2010 |
| 7760876 | Content security layer providing long-term renewable security In an exemplary embodiment, digital content is mastered as a combination of encrypted data and data processing operations that enable use in approved playback environments. Player devices having a processing environment compatible with the content's data processing ... | 07/20/2010 |
| 7756272 | Interpreter using cryptographic values of a playback device's keys to authorize the playback device In an exemplary embodiment, digital content is mastered as a combination of encrypted data and data processing operations that enable use in approved playback environments. Player devices having a processing environment compatible with the content's data processing ... | 07/13/2010 |
| 7574003 | Recording medium, apparatus for forming the recording medium, and apparatus and method for reproducing the recording medium Disclosed herein are a recording medium, an apparatus for forming the recording medium, and an apparatus and method for reproducing the recording medium. CPI (Copy Protection-related Information), identification information (CPI_Flag) indicative of recording or non-... | 08/11/2009 |
| 7561690 | Method and system for communicating a certificate between a security module and a server A network communications method communicates a certificate from a client machine to a server machine through a security module. The protocol used between the client and server machines is HTTP or an equivalent protocol, and a security protocol such as SSL or an equi... | 07/14/2009 |
| 7555123 | Processing an MPEG elementary stream in a conditional access overlay environment Processing an MPEG elementary stream contained in multiple PID streams in a conditional access overlay environment. A multi-program transport stream contains numerous video and audio elementary streams. Critical packets in the elementary streams are encrypted with t... | 06/30/2009 |
| 7555124 | Secure video system for display adaptor A secure video system for a graphics display adaptor includes a module for decrypting a content signal from a media player or other secure content source. The adaptor may be provided as a component of a computer graphics system, or in a stand-alone special-purpose d... | 06/30/2009 |
| 7496197 | Method and system for robust embedding of watermarks and steganograms in digital video content A method for robust embedding of information into video content, said method comprising of breaking said video content into a series of at least one unit; selecting at least one of said units; selecting at least one parameter for at least one of said units and perfo... | 02/24/2009 |
| 7421412 | Computerized method and system for monitoring use of a licensed digital good A method and system are provided for monitoring use of a licensed digital good, such as software, digital audio or video, text, and web pages. Each licensed digital good is associated with a shared resource, such as a record in a remote database in a license server.... | 09/02/2008 |
| 7421411 | Digital rights management in a mobile communications environment A method, system, and computer program product for enabling a wireless device in a mobile communication environment to obtain rights to protected content of a digital asset. The digital asset is downloaded to the wireless device from any one of a plurality of conten... | 09/02/2008 |
| 7412151 | Detection of a watermark in a compressed video signal A method and arrangement for detecting a watermark embedded in an MPEG compressed signal includes a conventional MPEG decoder stripped to such an extent that a modified baseband video signal suitable for watermark detection is obtained. A plurality of pictures with ... | 08/12/2008 |
| 7404088 | Digital content security system A Personal Digital Key Digital Content Security System (PDK-DCSS) is used to protect computers from unauthorized use and protect the digital content stored on computers from being wrongfully accessed, copied, and/or distributed. The basic components of the PDK-DCSS ... | 07/22/2008 |
| 7392376 | Security module A method and apparatus for restricting access of an application to computer hardware. The apparatus includes both an authentication module and a validation module. The authentication module is within the trusted firmware layer. The purpose of the authentication modu... | 06/24/2008 |
| 7391866 | Broadcast apparatus and reception apparatus for providing a storage service by which scrambled content is stored and descrambled using scrambling key list A reception apparatus includes: a reception unit for receiving the scrambled content, the scrambled content being scrambled so that a predetermined unit of scrambled content is descrambled using a descrambling key corresponding to the predetermined unit of scrambled... | 06/24/2008 |
| 7389272 | Information recording device and information reproducing device The information reproduction device for reproducing contents information based on license information added to the contents information and required for reproducing the contents information, includes a determining section for determining whether encrypted contents i... | 06/17/2008 |
| 7389428 | Data processing system, data processing method, and program providing medium The inventive data processing apparatus initially generates verifying values for verifying integrity of contents data stored in a memory device, then stores the verifying values in correspondence with contents data, and then, using the verifying values, the data pro... | 06/17/2008 |
| 7386515 | Fee imposition system for application software Fee imposition system and method for application software, in which a software providing corporation can collect the fee without fail and charge a fair fee to a customer, and thereby the customer can use the application software with a paying method easy to estimate... | 06/10/2008 |
| 7380120 | Secured data format for access control In a system for providing access control management to electronic data, techniques to secure the electronic data and keep the electronic data secured at all times are disclosed. According to one embodiment, a secured file or secured document includes two parts: an a... | 05/27/2008 |
| 7373506 | Data authentication system A data processing system, apparatus and method are provided to verify and validate data. Cryptographic processes employ keys to encrypt the data, check the data and prevent tampering with the data. The data may include header information such as compressed contents ... | 05/13/2008 |
| 7366301 | Optical watermark A multiple-layered watermark is generated to be placed on document, to protect against counterfeiting and forgery. Hidden information embedded into each of the watermark's layers is only detectable by using a corresponding decoder. Because of the multiple-layered st... | 04/29/2008 |
| 7366907 | Information processing device and method and program storage medium An information processing device and method as well as a program storage medium, in which to determine whether or not contents can be recorded on a recording medium, the presence or absence of digital watermark information distributed associated with the contents is... | 04/29/2008 |
| 7363277 | Detecting copyright violation via streamed extraction and signature analysis in a method, system and program Signature analysis of streamed download data narrows a list of likely candidates after a search engine search has been performed. “Streamed download” means that the data is brought byte by byte to the searcher's computer and then discarded. During the streaming ... | 04/22/2008 |
| 7362677 | Information record medium and information writing/reading apparatus An information writing/reading apparatus that cooperates with an information record medium including a ROM area and a RAM area, either the RAM area or the ROM area having in advance control information recorded thereon used to limit reading and/or writing of informa... | 04/22/2008 |
| 7359884 | Method and apparatus for processing usage rights expressions A system and method for processing a rights expression for association with an item for use in a system for controlling use of the item in accordance with the rights expression. A rights expression is specified in a conventional manner in an original format. An inte... | 04/15/2008 |
| 7359299 | Recording medium and reading system A medium judgment program is recorded on an information recording medium. The program causes a computer to judge whether the medium is authorized. The judgment may be based on information on a unique value preformed in the medium in regard to each of the media. If t... | 04/15/2008 |
| 7356513 | Method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs, and system and data media for same A method authenticates at least one of a media and data stored on said media in order to prevent at least one of piracy, unauthorized access and unauthorized copying of the data stored on said media. At least one predetermined error is introduced with the data resul... | 04/08/2008 |
| 7356511 | Method and apparatus for marking content during distribution of the content to a client One embodiment of the present invention provides a system that facilitates marking content during distribution of the content to a client. The system starts by receiving a request for the content from the client at the server and then obtaining a content identifier ... | 04/08/2008 |
| 7356845 | Method and apparatus for identification tagging documents in a computer system A method and apparatus for tracing of computer documents is disclosed. A computer processor stores a processor identifier that is unique to the particular processor. Documents created by a computer system are tagged with an identification tag that is a value which r... | 04/08/2008 |
| 7353207 | Method of altering a software product in response to predetermined events Software lineages arise through purchase and reproduction. Lineages are tracked by storing lineage-relevant information in variable regions of software instances and/or in a central database according to methods disclosed. ... | 04/01/2008 |
| 7353205 | Method for causing a digital product to revert to a demo mode Software lineages arise through purchase and reproduction. Lineages are tracked by storing lineage-relevant information in variable regions of software instances and/or in a central database according to methods disclosed. ... | 04/01/2008 |
| 7353211 | Method for encrypting data and a telecommunications terminal and access authorization card A method of encrypting data, a telecommunications terminal and an access authorization card are described, which permit utilization of services of one or more service providers independently of a network operator or manufacturer of the telecommunications terminal. E... | 04/01/2008 |
| 7349552 | Connected audio and other media objects Media objects are transformed into active, connected objects via identifiers embedded into them or their containers. In the context of a user's playback experience, a decoding process extracts the identifier from a media object and possibly additional context inform... | 03/25/2008 |
| 7346585 | Computer software and services license processing method and system Integrated computer services and software licensing processing methods and systems are provided. A license processing service (LPS) receives a services or software license request from a user via a client computer. The LPS communicates the request to a billing syste... | 03/18/2008 |
| 7342324 | Electronic security system An electronic security apparatus for a vehicle being capable of controlling the performance of a vehicle function in response to a user attempting to start the engine of the vehicle. The system being capable of controlling the performance of the vehicle function in ... | 03/11/2008 |
| 7337321 | Digital content protection using invisible and visible watermarks A technique for distributing digital contents capable of effectively protecting copyrights and the like on the basis of invisible electronic watermark information and electronic watermark information is to be provided. On the sending side, additional information inc... | 02/26/2008 |
| 7336788 | Electronic book secure communication with home subsystem The invention, an electronic book selection and delivery system, is a new way to distribute books and other textual information to bookstores, libraries and consumers. The primary components of the system are a subsystem for placing text in a video signal format and... | 02/26/2008 |
| 7334129 | Embedding supplemental data in an encoded signal There are two different methods of embedding supplemental data, e.g. for watermarking into an encoded signal. I. For an encoder, which needs auxiliary information for encoding (=probability information in this special case), the auxiliary information to encod... | 02/19/2008 |
| 7334247 | Method and apparatus for watermarking received television content A method and apparatus for inserting receiver identification codes into video images received from a television broadcasting station are disclosed. The apparatus comprises a receiver with a tuner for receiving a plurality of television channels and outputting a firs... | 02/19/2008 |
