| 7043452 |
Lock-and-key consumer billing data protection system having data encryption capability |
| May-9-2006 |
A "lock-and-key" consumer billing data protection capability is provided to telemarketing and electronic marketing systems which are based upon previously-acquired consumer lists. The lists contain encrypted... |
| 7039294 |
Method and apparatus for modifying the effects of color burst modifications to a video signal |
| May-2-2006 |
In the known color stripe process for preventing recording of video signals, the color burst present on each line of active video is modified so that any subsequent video tape recording of the video signal... |
| 7039187 |
Signal reproducing/recording/transmitting method and apparatus and signal record medium |
| May-2-2006 |
A video signal reproduction system for receiving a video signal transmitted via a satellite communication link at a receiving device. A copy permission indicator is inserted in the received video signal.... |
| 7035827 |
Content receiving apparatus and method, storage medium, and server |
| Apr-25-2006 |
A content receiver is compatible with a plurality of rights management and protection methods (RMP) devised for each content distribution system. Only the format which specifies the specification of the... |
| 7031470 |
Protection of data on media recording disks |
| Apr-18-2006 |
This invention discloses a secure recording medium having at least one of audio, video and software content, comprising a plurality of media recording disks (DVD's) with a disk security chip embedded in... |
| 7023993 |
Signal reproducing/recording/transmitting method and apparatus and signal record medium for use with signals featuring a multiple-phase color burst |
| Apr-4-2006 |
A signal reproducing apparatus for prohibiting copying or unauthorized use. The apparatus includes a copying management information decision circuit 19 for discriminating the state of the copying management... |
| 7023992 |
Data multiplexing device, program distribution system, program transmission system, pay broadcast system, program transmission method, conditional access system, and data reception device |
| Apr-4-2006 |
In a data multiplexing device which multiplexes and transmits the transport stream packets of program data consisting of a plurality of data elements constructed in the form of transport stream packets,... |
| 7020062 |
Information recording medium with a track carrying a randomized wobble signal, and apparatus for reading such |
| Mar-28-2006 |
An information recording medium is provided with a wobbled track, wherein at least a part of the track is subjected to wobbling based on a wobble signal in which at least a part of recording information... |
| 7017171 |
System and method for interfacing multiple electronic devices |
| Mar-21-2006 |
A method for operating a video processing system by receiving initial copyright information from a first source, storing the initial copyright information, receiving updated copyright information from... |
| 7013078 |
Data processing apparatus, data processing method, data reading apparatus, and recording apparatus |
| Mar-14-2006 |
In a data processing apparatus and method, watermark information embedded in data can be detected even if the data is subjected to various processing. The apparatus includes a processor for processing... |
| 7007165 |
Watermark system |
| Feb-28-2006 |
A method for examining an electronic representation of an item for a watermark, the method including examining at least a first electronic representation of an item for a watermark in accordance with a... |
| 7006661 |
Digital watermarking systems and methods |
| Feb-28-2006 |
The present invention relates to digital watermarking systems and methods. In a first implementation, so-called movie studio rough-cuts are watermarked to provide a forensic tracking clue or to provide... |
| 7006630 |
Methods and apparatus for digital content protection |
| Feb-28-2006 |
A multilayer digital content protection system, particularly for a digital cinema application is provided. Detection of unauthorized activity at the time it is occurring is provided using a first protection... |
| 7003675 |
Encrypted content data structure package and generation thereof |
| Feb-21-2006 |
Described herein are one or more implementations that generate and encrypted content data structure package and/or data tree. |
| 6999948 |
Memory card |
| Feb-14-2006 |
A memory card 110 extracts a session key Ks from the data applied onto a data bus BS3 by carrying out a decryption process. An encryption processing unit 1406 encrypts a public encryption... |
| 6999587 |
Information recording/reproducing system |
| Feb-14-2006 |
An information recording medium 1 is provided with: a user data recording part 3 which records user data; a random-patter-information recording part 4 which records random pattern information... |
| 6996248 |
Apparatus and method for watermarking a digital image |
| Feb-7-2006 |
An apparatus for adding a watermark to a moving image as it is displayed comprises a watermark generator in which data representing a watermark is generated. The watermark contains at least one of location... |
| 6990584 |
Method of and apparatus for restricting copy of digital information, and apparatus for recording digital information |
| Jan-24-2006 |
An apparatus for restricting a copy of digital information is provided with a detecting device for detecting a first watermark, which is buried in the digital information and comprises a first signal generated... |
| 6988086 |
Document services management including availability reporting of document distribution services |
| Jan-17-2006 |
A system and method of managing document distribution services of a plurality of document distribution providers includes registering the document distribution services, identifying at least one resource... |
| 6985584 |
Non-volatile record medium, recording method, and recording apparatus |
| Jan-10-2006 |
A non-volatile recording medium for recording a digital audio signal that has been compressed at a compression rate selectable in a predetermined range and block-segmented in a predetermined data length... |
| 6981272 |
Data processing apparatus and method for preventing unauthorized copying |
| Dec-27-2005 |
The present invention relates to a data processing system and method that control the outputs of a receiving apparatus depending upon a copy restriction code. The receiving apparatus determines whether... |
| 6980653 |
Signal reproducing/recording/transmitting method and apparatus and signal record medium |
| Dec-27-2005 |
A system for providing a copy permission indicator in a video signal. The copy permission indicator is generated on the basis of copy management information that has been appended to the video signal and... |
| 6978377 |
Copy protection using detailed copy control information |
| Dec-20-2005 |
Based on the detailed reproduction control information defining the reproduction control state of data to be transmitted, the CPU 12 of the data transmission apparatus creates a simplified reproduction... |
| 6973445 |
Demarcated digital content and method for creating and processing demarcated digital works |
| Dec-6-2005 |
Flags are used to mark portions of content in a digital work to permit marking or demarcation of portions of the document. The demarcated portions can be handled in various ways. For example, different... |
| 6971024 |
Recording medium, data recording method and apparatus, data reproducing method and apparatus, and copying control method |
| Nov-29-2005 |
Data is recorded in a first part in accordance with a signal format equivalent to that of an existing CD at the lower limit of an allowable value of a track pitch and the lower limit of linear velocity,... |
| 6968059 |
Video information generating apparatus, video communication terminal, video distribution server, and video information system |
| Nov-22-2005 |
The conventional multimedia communication terminals require the implementation of a camera unit for video input and a video encoder for generating encoded video streams. This configuration is expensive... |
| 6965975 |
Apparatus and method for moving contents having a restricted number of copies between storage media |
| Nov-15-2005 |
An apparatus for moving contents includes an input unit for inputting the contents and a control unit for controlling the movement of the contents between storage media by analyzing a copy control code... |
| 6959290 |
Method and apparatus for tracking states of digital works |
| Oct-25-2005 |
A method and system for controlling use of digital works in accordance with usage rights associated with the digital works. The method includes the steps of receiving a request to use a digital work, and... |
| 6957350 |
Encrypted and watermarked temporal and resolution layering in advanced television |
| Oct-18-2005 |
A method and apparatus for image compression using temporal and resolution layering of compressed image frames, and which provides encryption and watermarking capabilities. In particular, layered compression... |
| 6954738 |
Method and apparatus for distributing enforceable property rights |
| Oct-11-2005 |
An enforceable property right and a system for controlling the manner of use of an item in accordance with usage rights. The enforceable property right includes an item ticket having a security mechanism... |
| 6952685 |
Music distribution system and associated antipiracy protection |
| Oct-4-2005 |
Music is blanket transmitted (for example, via satellite downlink transmission) to each customer's computer-based user station. Customers preselect from a list of available music in advance using an interactive... |
| 6947561 |
Method and apparatus for protecting copy control information provided to a video recording device |
| Sep-20-2005 |
A video source device includes a cipher unit. The cipher unit includes a block cipher and a stream cipher. The video source device uses the block cipher to generate at least one cipher key for use by the... |
| 6944771 |
Method and apparatus for overcoming a watermark security system |
| Sep-13-2005 |
To overcome a watermark security system that is based on a limited set of possible watermark values, a collection of authentic watermarked material is created, and a substitution system provides material... |
| 6944734 |
Storage apparatus and access control method |
| Sep-13-2005 |
A storage apparatus is capable of using a storage medium having at least a first region for storing therein data and a second region for storing therein both use permission discrimination information indicative... |
| 6941283 |
Information recording device and information reproducing device |
| Sep-6-2005 |
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... |
| 6934851 |
Method and apparatus for use of a time-dependent watermark for the purpose of copy protection |
| Aug-23-2005 |
A copy protection system for protecting content wherein a ticket and a watermark are created, utilizing a first time reference (TD) and a one-way function, to indicate the copy protection status of the... |
| 6931534 |
Method and a device for encryption of images |
| Aug-16-2005 |
In a method and a device for partial encryption and progressive transmission of images, a first section of the image file is compressed at reduced quality without decryption, and a second section of the... |
| 6928165 |
Communication system using digital watermark for synchronizing multiplexed text data to video frames |
| Aug-9-2005 |
A digital video communication system includes, at a source site, an embedding circuit for embedding a digital watermark in a digital video stream to produce a watermarked digital video stream, and a multiplexer... |
| 6925342 |
System and method for protecting digital media |
| Aug-2-2005 |
A system and method for verifying digital recordings that have a plurality of tracks. The system includes an encoder that: divides the digital recording into a plurality of sections and associates a random... |
| 6915432 |
Composing a realigned image |
| Jul-5-2005 |
This invention provides methods, apparatus and article of manufacture used as a countermeasure to image distorting. The present invention involves automatically detecting the presence of distortion in... |
| 6898578 |
Recording apparatus for recording digital information |
| May-24-2005 |
A digital information recording apparatus to record digital information to protect copyright of digital information that includes at least first digital information and first copy control information.... |
| 6898038 |
Method and apparatus for disc drive data security using fields in servo wedges |
| May-24-2005 |
The present invention includes a method and apparatus to write and read copy protected data on a disc drive storage system by encoding and decoding data to be copy protected using servo wedge data as the... |
| 6868229 |
Interfering with illicit recording activity by emitting non-visible radiation |
| Mar-15-2005 |
Often, during an event, such as a movie, play, concert, opera, etc., viewers of the event attempt to illicitly record the event. Such illicit recording attempts may be interfered with by using emitters... |
| 6865675 |
Method and apparatus for use of a watermark and a unique time dependent reference for the purpose of copy protection |
| Mar-8-2005 |
A copyright protection system for protecting content wherein a time dependent ticket is calculated at a source device by combining a checkpoint with a ticket. The checkpoint is transmitted from a display... |
| 6842521 |
Method and apparatus to control copying from a drive device to a data reproducing device |
| Jan-11-2005 |
A data copy control method is applied to a computer system that has a reproducing device which receives reproducing data read out by a drive device. A shared key is produced in the drive device and the... |
| 6836549 |
Method and apparatus for synthesizing and reducing the effects of video copy protection signals |
| Dec-28-2004 |
A method and apparatus for defeating copy protection signals in a video signal, and also for providing copy protection signals for a video signal, is disclosed. The defeat technique generally utilizes... |
| 6834349 |
Copyright protection system for data storage and transmission |
| Dec-21-2004 |
The invention provides a recording media player and a recording media recorder provided with a high-security copy protection system of less complexity. A recording media player and/or recorder provided... |
| 6826352 |
Dynamic video copy protection system |
| Nov-30-2004 |
Copy protection normally included in a video signal to prevent unauthorized copying is dynamically modified, by changing an attribute of the copy protection to be added to or present in the video signal.... |
| 6819765 |
Video-signal output apparatus, video-signal input apparatus, and scramble method, and descramble method |
| Nov-16-2004 |
A system, which includes a video-signal output apparatus and a video-signal input apparatus, has a construction in which scrambling or descrambling is performed with a scramble key generated using copy-control... |
| 6816972 |
Disk recording medium, reproduction device and method for performing reproduction on disk recording medium |
| Nov-9-2004 |
A device and method for protection of legitimate software against used software and counterfeit software in recording media. The device includes a disk is set in a main unit. A specific title code is read,... |
