| 6466920 |
Method and system for preventing illegal use of digital contents, processing program thereof, and recording medium for the program |
| Oct-15-2002 |
In a method of preventing an illegal use of digital contents, a status information for controlling the replay processing of the digital contents is set in the digital contents. The replay processing of... |
| 6889210 |
Method and system for managing security tiers |
| May-3-2005 |
Techniques for reorganizing security levels without implicating accessibility to secured files classified in accordance to one of the security levels are disclosed. In a case of adding a new security level,... |
| 6993131 |
Method and system for managing rights in digital information over a network |
| Jan-31-2006 |
A method and system for distributing digital information is disclosed. Preferably, a user acquires a tangible object which contain a code authorizing access to the digital information. The user reads the... |
| 7020287 |
Method and system for key insertion for stored encrypted content |
| Mar-28-2006 |
An encrypted content transport stream is received by a viewer's device and recorded for subsequent playback. During recording, keys in headers of packets of the stream are stripped and placed in sequence... |
| 6778668 |
Method and system for escrowed backup of hotelled world wide web sites |
| Aug-17-2004 |
Embodiments of the present invention provide an improved method and system for storing a backup copy of a client company's data. In the preferred embodiment, the backup of data occurs within a computer... |
| 6931551 |
Method and system for data encryption/decryption in a client-server architecture |
| Aug-16-2005 |
A method and system for data encryption/decryption in client-server architecture, In the invention, channel data is differentiated into a plurality of channels. The data encryption/decryption system comprises... |
| 6978370 |
Method and system for copy-prevention of digital copyright works |
| Dec-20-2005 |
Methods and apparati for marking digital material and for detecting marks therein. For mark detection, the material is divided into a plurality of blocks, to which a non-collision resistant compression... |
| 6671803 |
Method and system for consumer electronic device certificate management |
| Dec-30-2003 |
A system for providing security, such as copy protection, between a source device and a sink device, in accordance with the present invention, includes a first device including a list of certificates,... |
| 7043453 |
Method and system for conducting transactions between repositories using a repository transaction protocol |
| May-9-2006 |
A method and apparatus for establishing a secure communications channel between a first repository and a second repository using a repository transaction protocol. A registration identifier and registration... |
| 6339449 |
Method and device for superimposing additional information on a video signal |
| Jan-15-2002 |
An additional information signal is superimposed on a video signal at a very low level so that it does not stand out on the reproduced image. Spectral spreading code sequences are generated corresponding... |
| 6209096 |
Method and device for storing main information with associated additional information incorporated therein |
| Mar-27-2001 |
To store main information with associated additional information incorporated therein, data constituting the additional information is divided into a plurality of small-size data pieces of, e.g., one bit.... |
| 6529600 |
Method and device for preventing piracy of video material from theater screens |
| Mar-4-2003 |
A method and device for preventing video tape piracy of video material shown by an electronic projector by varying frequently the frame rate, line rate or pixel rate of the projector. In a preferred embodiment... |
| 5883958 |
Method and device for data decryption, a method and device for device identification, a recording medium, a method of disk production, and a method and apparatus for disk recording |
| Mar-16-1999 |
A video disk playback apparatus includes a disk driver which retrieves video data and a key data table from a digital video disk, and a decoder board which has its own ID. The disk driver receives the... |
| 6983382 |
Method and circuit to accelerate secure socket layer (SSL) process |
| Jan-3-2006 |
Methods and apparatus' for performing SSL processing on an IP packet being transmitted onto a network and being received from a network are described. The methods and apparatus' further described performing... |
| 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... |
| 6879703 |
Method and apparatus for watermarking images |
| Apr-12-2005 |
Digital watermarks are embedded in image data (102)in order to enable authentication of the image data and/or replacement of rejected portions of the image data. Authentication codes are derived by comparing... |
| 6594441 |
Method and apparatus for video tag signal recovery using various techniques to regenerate and re-record the tag signal |
| Jul-15-2003 |
In typical prior art generational copy protection processes, a video tag signal is added to a watermarked and/or copy protected video signal to prevent the production of unauthorized second generation... |
| 4272791 |
Method and apparatus for video recording |
| Jun-9-1981 |
Apparatus for connecting a cable television system utilizing a multi-channel converter having a preselector switch and a preselected converter very high frequency output signal to a video cassette recorder... |
| 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... |
| 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... |
| 6490355 |
Method and apparatus for use of a time-dependent watermark for the purpose of copy protection |
| Dec-3-2002 |
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... |
| 6959087 |
Method and apparatus for transmitting encryption-resultant information and decrypting information |
| Oct-25-2005 |
An information signal is transmitted. The information signal contains 1) encryption-resultant information, 2) an error correction code signal, and 3) decrypting information. The error correction code signal... |
| 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... |
| 6848049 |
Method and apparatus for the authentication of integrated circuits |
| Jan-25-2005 |
A method for the authentication of an integrated circuit in an application system comprises, for the integrated circuit: detecting an activation scenario, and then modifying at least one of its responses.... |
| 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... |
| 7010685 |
Method and apparatus for storing scrambled digital programs by filtering product identifier |
| Mar-7-2006 |
In accordance with one embodiment, a method for storing a normal scrambled digital program is provided. The method includes receiving a scrambled program, and receiving a plurality of access requirements.... |
| 6978256 |
Method and apparatus for selling digital contents, processing program thereof and recording medium for the program |
| Dec-20-2005 |
The present invention relates to a digital contents selling system for selling digital contents. Identification information of digital contents selected by a customer is received. Personal digital contents... |
| 6678465 |
Method and apparatus for restricting a video output of a computing system based on copy protection information |
| Jan-13-2004 |
A method and apparatus includes processing for restricting at least one video output of a computing system based on copy protection information. Such processing begins by receiving a video signal and associated... |
| 6944297 |
Method and apparatus for reproducing ciphered data |
| Sep-13-2005 |
A data reproducing apparatus and method is provided for reproducing data that was ciphered during recording in one or more of sector forming, header appending, error correction coding, modulation, and... |
| 6487293 |
Method and apparatus for reproducing ciphered data |
| Nov-26-2002 |
A data reproducing apparatus and method is provided for reproducing data that was ciphered during recording in one or more of sector forming, header appending, error correction coding, modulation, and... |
| 4626890 |
Method and apparatus for removing phase modulation from the color burst |
| Dec-2-1986 |
A video signal of the type having phase modulation induced in the color burst component thereof to inhibit video tape recording, is modified to remove the phase modulation and permit acceptable video tape... |
| 4635112 |
Method and apparatus for recording scrambled television signals |
| Jan-6-1987 |
A scrambled television program is received and recorded in a scrambled fashion automatically in a video tape recorder by detecting program code signals placed in vertical blanking intervals of ten fields... |
| 6934389 |
Method and apparatus for providing bus-encrypted copy protection key to an unsecured bus |
| Aug-23-2005 |
A copy protection (CP) key used by a sending source, such as a POD, to encrypt content such as audio and/or video information is derived by a first key generator associated with a first processor and is... |
| 6175924 |
Method and apparatus for protecting application data in secure storage areas |
| Jan-16-2001 |
A method, apparatus and computer program product are disclosed for certifying the authenticity of an application program and for securely associating certified application programs whose certification... |
| 6920221 |
Method and apparatus for protected exchange of status and secret values between a video source application and a video hardware interface |
| Jul-19-2005 |
A video source application in a video source device requests from a video hardware interface of the video source device status with respect to a link linking the video source device to an external video... |
| 6212325 |
Method and apparatus for processing video signal and storage medium |
| Apr-3-2001 |
A video signal processing apparatus, a video signal processing method and a recording medium are provided for reliably preventing illegal copy through a VTR and supplying a high-quality video signal with... |
| 6145081 |
Method and apparatus for preventing removal of embedded information in cover signals |
| Nov-7-2000 |
Apparatus and methods are provided for embedding watermark information into a cover signal, such as an audio signal, video signal, or still image signal, in a manner that prevents the watermark information... |
| 6826699 |
Method and apparatus for performing authentication and key exchange protocols with multiple sink devices |
| Nov-30-2004 |
A method and system for a source device to simultaneously perform authentication and key exchange (hereinafter referred to as "AKE") protocols with multiple sink devices. In a communication network that... |
| 6976166 |
Method and apparatus for partial encryption of content |
| Dec-13-2005 |
The present invention is directed to methods and apparatus that partially encrypt an information data file. An exemplary method includes dividing the information file into a first file and a second file,... |
| 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... |
| 7013010 |
Method and apparatus for optimally formatting media key blocks stored on media with high transfer latencies |
| Mar-14-2006 |
A method and apparatus to format and process a Media Key Block so as to reduce latencies when processing the Media Key Block. A new record is generated containing header information for the records comprising... |
| 6963972 |
Method and apparatus for networked information dissemination through secure transcoding |
| Nov-8-2005 |
A method and system enables network intermediaries such as proxies to transcode multimedia data without violating end-to-end security guarantees. In one embodiment, a content provider decomposes a data... |
| 6327422 |
Method and apparatus for modifying the effects of color burst modifications to a video signal |
| Dec-4-2001 |
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... |
| 6188995 |
Method and apparatus for enforcing software licenses |
| Feb-13-2001 |
The present invention comprises a method and apparatus for enforcing software licenses for resource libraries such as an application program interface (API), a toolkit, a framework, a runtime library,... |
| 6798885 |
Method and apparatus for encoding security information in a MIDI datastream |
| Sep-28-2004 |
The present invention is apparatus and method for encoding, decoding, and encoding and decoding security information in a Musical Instrument Digital Interface (MIDI). In order to perform encoding, musical... |
| 6115818 |
Method and apparatus for embedding authentication information within digital data |
| Sep-5-2000 |
Arbitrary digital information is embedded within a stream of digital data, in a way that avoids detection by a casual observer and that allows a user to determine whether the digital data have been modified... |
| 6101604 |
Method and apparatus for embedding authentication information within digital data |
| Aug-8-2000 |
Arbitrary digital information is embedded within a stream of digital data, in a way that avoids detection by a casual observer and that allows a user to determine whether the digital data have been modified... |
| 5646997 |
Method and apparatus for embedding authentication information within digital data |
| Jul-8-1997 |
Arbitrary digital information is embedded within a stream of digital data, in a way that avoids detection by a casual observer and that allows a user to determine whether the digital data have been modified... |
| 6037984 |
Method and apparatus for embedding a watermark into a digital image or image sequence |
| Mar-14-2000 |
A method and apparatus for watermarking an image or sequence of images without limiting the watermark signal. The watermarking apparatus includes a conventional DCT unit and quantizer for generating an... |
| 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... |
