| 7024204 |
Wireless communication scheme with communication quality guarantee and copyright protection |
| Apr-4-2006 |
A wireless base station which controls joining of a plurality of wireless terminals to a wireless network, stores a maximum joining possible terminal number which indicates a maximum number of the wireless... |
| 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... |
| 6845170 |
Watermark resistant to resizing and rotation |
| Jan-18-2005 |
A hidden watermark and methods of detecting and embedding such watermark is provided. The watermark is resistant to efforts to avoid the message thereof. |
| 6477431 |
Watermark detection |
| Nov-5-2002 |
A method and arrangement for detecting a watermark in an information signal. The method may include the steps of computing the correlation (d.sub.k) of the watermark (W.sub.i) and the information signal... |
| 6950532 |
Visual copyright protection |
| Sep-27-2005 |
A visual copyright protection system is disclosed, including input content, a disruption processor, and output content. The disruption processor inserts disruptive content to the input content creating... |
| 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... |
| 5381476 |
Video theater system and reproducing apparatus therefor |
| Jan-10-1995 |
A video theater system has a reproducing apparatus by which picture reproduced from a distribution tape and picture received from a communication satellite are alternatively put on the screen. A scrambled... |
| 5303294 |
Video theater system and copy preventive method |
| Apr-12-1994 |
A video theater system includes a video cassette recording at least a component video signal to which a copy preventive scheme has been applied; a video cassette recorder for reproducing the video cassette;... |
| 6268889 |
Video signal processing apparatus and signal transmitting method |
| Jul-31-2001 |
RGB signals and sync signals H and V are inputted from a personal computer or the like. Additional information is superimposed to a vertical blanking period of the R signal. A timing generating unit generates... |
| 5657387 |
Video signal format converting circuit |
| Aug-12-1997 |
A video signal format converting circuit is disclosed, comprising a signal converting matrix circuit and a filter circuit that is constructed of a time delaying device for a video signal corresponding... |
| 6853728 |
Video on demand pay per view services with unmodified conditional access functionality |
| Feb-8-2005 |
A system and method for storing and retrieving program material for subsequent replay is disclosed. The method comprises the steps of receiving access control information and the program material encrypted... |
| 5754648 |
Video media security and tracking system |
| May-19-1998 |
A system for providing security and tracking data for rental video media, including digital video discs and digital video cassettes. Those new formats for video players and media allow for inclusion of... |
| 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... |
| 6058243 |
Video duplication control system, video playback device, video recording device, information superimposing and extracting device, and video recording medium |
| May-2-2000 |
A playback device 10 generates a PN code with a start timing based on a video sync signal, and generates a pseudo random noise (PN) inverse code which has a reverse polarity to that of the PN code with... |
| 6944296 |
Video bit scrambling |
| Sep-13-2005 |
In some embodiments, the invention includes a method to bit scramble a digital video signal. The method includes receiving blocks of the digital video signal and scrambling the blocks of the digital video... |
| 7006658 |
Varying segment sizes to increase security |
| Feb-28-2006 |
A security system is configured to use a variable length encoding of a security identifier for segments of protected content material. In this system, a distinction is made between a "zero" information... |
| 6957343 |
Validating keying material by using a validation area of read-only media to prevent playback of unauthorized copies of content stored on the media |
| Oct-18-2005 |
In one aspect of the invention is a method for preventing unauthorized copies of a medium, such as a DVD, from being played by a compliant device by using the validation area (VA) region of a medium to... |
| 7013296 |
Using electronic security value units to control access to a resource |
| Mar-14-2006 |
A network utilizes electronic security value units to prevent unauthorized access to resources in the network. The network includes at least a resource manager and an electronic bank server (e.g., the... |
| 6910022 |
Usage rights grammar and digital works having usage rights created with the grammar |
| Jun-21-2005 |
A system for associating usage rights with digital content. Usage rights are created from a grammar. The usage rights specify a manner of use indicating one or more stated purposes for which the digital... |
| 5640453 |
Universal interactive set-top controller for downloading and playback of information and entertainment services |
| Jun-17-1997 |
A universal interactive control system for the downloading and playback of information and entertainment services from one or more network distribution centers, said one or more network distribution centers... |
| 5982886 |
Unauthorized use preventing method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus |
| Nov-9-1999 |
In a method for preventing unauthorized use of a recording medium having a user accessible area and a user inaccessible area, first information is read from the user inaccessible area of the recording... |
| 6839503 |
Transfer apparatus and recording control system using a transfer control method selected based on a transfer rate of data |
| Jan-4-2005 |
A transfer apparatus for transferring data which achieves balancing in profit and loss between a proprietor of copyright and a user includes an instruction section for providing an instruction of a transfer... |
| 6915481 |
Transactional watermarking |
| Jul-5-2005 |
Transactional watermarking is disclosed. In one embodiment, a computer-implemented method includes receiving an original multimedia content source. The original multimedia content source may have already... |
| 7024554 |
Systems and methods that authorize target devices utilizing proprietary software and/or hardware |
| Apr-4-2006 |
An integrated system comprises an authorization device that generates a second encrypted data stream in response to a first data stream, and a programmable logic device (PLD) that generates a third encrypted... |
| 7007170 |
System, method, and apparatus for securely providing content viewable on a secure device |
| Feb-28-2006 |
A system, apparatus, and method are directed to providing and securely viewing secure content. In one embodiment, a secure player provides secure screening/previewing of secure content, such as a motion... |
| 6453420 |
System, method and article of manufacture for authorizing the use of electronic content utilizing a laser-centric medium |
| Sep-17-2002 |
A system, method, and article of manufacture is provided for tracking the distribution of content electronically. First, an electronic storage medium tracking identifier is incorporated onto an electronic... |
| 6898285 |
System to deliver encrypted access control information to support interoperability between digital information processing/control equipment |
| May-24-2005 |
A system for streaming encrypted conditional access (CA) data, such as control words, from a primary or master conditional access provider (CAP) to one or more secondary CAPS. The primary CAP encrypts... |
| 6314518 |
System for transferring content information and supplemental information relating thereto |
| Nov-6-2001 |
A system for copy protecting content information has an arrangement for receiving and controlling the playback of encoded video. The video content, e.g. MPEG compressed digital video, is watermarked and... |
| 6101606 |
System for securing protected software from unauthorized use in computer networks |
| Aug-8-2000 |
The invention relates to a system for securing protected software against unauthorized, i.e. non-licensed, use in computer networks. The difficulty in licensing of software in a network is that simultaneous... |
| 6978022 |
System for securing encryption renewal system and for registration and remote activation of encryption device |
| Dec-20-2005 |
An encryption renewal system for generating entitlement control messages, the system being secured by physical separation of components. The encryption renewal system has a first computing platform for... |
| 6005940 |
System for securely storing and reading encrypted data on a data medium using a transponder |
| Dec-21-1999 |
A self contained data medium is provided with an apparatus for generating a decrypting key for decrypting stored data. Frames of encrypted data are stored on the data medium such as a video or audio disk.... |
| 6374310 |
System for protecting information stored in a storage apparatus assembled into an equipment when the storage apparatus is removed from the equipment unauthorized |
| Apr-16-2002 |
A battery is provided for supplying a power upon a removal from the equipment. When the removal from the equipment is detected by a connection detecting unit, an injustice judgment unit judges whether... |
| 6915425 |
System for permitting off-line playback of digital content, and for managing content rights |
| Jul-5-2005 |
A system for permitting offline content playback and for managing the rights to one or more digital content files within a computer network. The system manages these rights by encrypting the content files... |
| 6957329 |
System for encrypting data from multiple multimedia applications and method thereof |
| Oct-18-2005 |
Methods and systems are provided for encrypting data from a plurality of multimedia devices. A driver initiates authentication for the plurality of multimedia applications. The driver assigns a key registers... |
| 6848051 |
System for determining successful reception of a message |
| Jan-25-2005 |
A method for determining that all of a scrambled message has been successfully received, the scrambled message being scrambled in accordance with a scrambling key and being capable of being descrambled... |
| 6580682 |
System for copy protection of recorded information |
| Jun-17-2003 |
An information carrier includes information arranged according to a recorded format. The information includes format information indicative of parameters of the recording format such as start and stop... |
| 6934693 |
System for controlling the distribution and use of digital works |
| Aug-23-2005 |
A system for controlling the distribution and use of digital works using digital tickets. In the present invention, a "digital ticket" is used to entitle the ticket holder to exercise some usage right... |
| 6728773 |
System for controlling and regulating distribution of intellectual properties using internet protocol framework |
| Apr-27-2004 |
A method and system thereof for controlling and regulating the distribution of intellectual properties using Internet Protocol and a plurality of controlling processes and applications. An intellectual... |
| 6826289 |
System for changing attribute of image by electronic watermark |
| Nov-30-2004 |
In the attribute detection apparatus in the system of the present invention, an inputted image is transformed by DCT means to extract an estimation value of the embedded electronic watermark data in frequency... |
| 6934390 |
System and method for transferring electronic information |
| Aug-23-2005 |
A system to transfer electronic information includes reception of a command to transmit a file of electronic information. In response to the received command, the file of electronic information is automatically... |
| 6804781 |
System and method for security of information in a memory |
| Oct-12-2004 |
The present invention provides a system and method for securing confidential information. Briefly described, one embodiment comprises a memory configured to save the confidential information, a decryption... |
| 6330675 |
System and method for secure transfer of digital data to a local recordable storage medium |
| Dec-11-2001 |
A device securely decrypts and writes an encrypted digital file to a local recordable storage medium. The device uses two decryption engines. The first decryption engine incrementally decrypts the encrypted... |
| 6885748 |
System and method for protection of digital works |
| Apr-26-2005 |
A method of protecting a digital work uses a format preserving encryption scheme to encrypt the digital work. This enables any native replay application or rendering application to transform an encrypted... |
| 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... |
| 6700993 |
System and method for on-line digital watermark detection |
| Mar-2-2004 |
To improve a reliability of watermark detection, by making it difficult for a user to falsify watermarked image. User terminal extracts the embedded watermark by using an extraction key generated by a... |
| 6978020 |
System and method for distributing digital content |
| Dec-20-2005 |
A system and method for distributing digital content is capable of preventing illegal use of digital content and leak of user information. A creator terminal 110 forwards content, copyright information... |
| 6865337 |
System and method for detecting modifications of video signals designed to prevent copying by traditional video tape recorders |
| Mar-8-2005 |
A system and method for detecting whether a video signal is modified by a video-tape-recorder-design based anti-copying process. A proper portion of the video signal is identified and filtered, and potential... |
| 6345099 |
System and method for copy protecting computer graphics |
| Feb-5-2002 |
Copy protection is provided for the now-unprotected computer monitor port of a computer 100 in two ways: (i) delaying synchronizing signals by a time variable amount and (ii) generating pulses during non-active... |
| 7039613 |
System and method for controlling distribution and use of digital works using price specifications |
| May-2-2006 |
A method, system and device for determining fees for access to digital works including associating a usage right with a digital work and which specifies a manner of use of the digital work and (i) a fee... |
| 6742120 |
System and method for controlling access to computer code in an IC card |
| May-25-2004 |
In a multiple application card system including an IC card comprising a microprocessor, a read-only memory, a random access memory and an electronically erasable programmable read only memory, a system... |
