| Patent Number |
Title Of Patent |
Date Issued |
| RE35078 |
Method and apparatus for encrypting and decrypting time domain signals |
October 31, 1995 |
| A technique for encrypting and decrypting information signals normally arranged as a succession of lines of active information, with each line having a line timing reference, such as color video information signals. The active video portion is time shifted with respect to the horizontal |
| 7414930 |
Method of accessing data on a copy protected data carrying disc |
August 19, 2008 |
| The method and apparatus described utilise the fact that CDs manufactured from the same master will have distinctive physical characteristics attributable to the physical manufacturing process of the master to distinguish counterfeit CDs from genuine discs. For a genuine disc, the re |
| 7395545 |
Method and apparatus for providing copy protection using a transmittal mode command |
July 1, 2008 |
| A method and system of providing copy protection of video analog and digital signals and the like, wherein the signals are transmitted via a digital delivery network, and may comprise, for example, pay-per-view (PPV) program materials protected by copyrights of respective program rig |
| 7360252 |
Method and apparatus for secure distribution of software |
April 15, 2008 |
| Software is securely distributed with limited usage rights. The software may be an executable program and/or one or more data files such as image or multimedia data files. The software includes an access control object which prevents at least some usage of the software without the use of |
| 7356142 |
Secure compact disk and player |
April 8, 2008 |
| A method for recording data on an optical medium is disclosed. In one embodiment, the method includes receiving a first plurality of frames of data at a Cross Interleave Reed-Solomon Code (CIRC) encoder, encoding the first plurality of frames of data by the CIRC encoder to generate a |
| 7352863 |
Copy protection for video signal using narrowed horizontal synchronization signals and amplitude |
April 1, 2008 |
| Enhancements to a video anticopying process that causes an abnormally low amplitude video signal to be recorded on a illegal copy. The enhancement in one version include a negative going waveform that appears to the television receiver or videotape recorder to be a sync signal, thereby |
| 7340778 |
Method and apparatus for ensuring the copy protection of digital data |
March 4, 2008 |
| When digital data is to be copy protected at a processing station, for example, prior to its encoding and recording onto an optical disc, it is necessary to control a compliant encoder to utilise copy protection files to perform the copy protection routine. To ensure that the digital dat |
| 7310764 |
Digital video disk and player and associated methods with proprietary format |
December 18, 2007 |
| A method for recording data on an optical medium and the associated optical medium (e.g. DVD), player, and playback method. The recording method includes receiving main data from a data source, determining a plurality of data frame values in response to the main data, inverting at le |
| 7299209 |
Method, apparatus and system for securely providing material to a licensee of the material |
November 20, 2007 |
| A method, apparatus and system for securely providing material to a licensee of the material are described. In each, at least one license key is provided, preferably along with a license including usage rights for requested content or material to the licensee. The material requested and |
| 7298962 |
Method and apparatus for reducing and restoring the effectiveness of a commercial skip system |
November 20, 2007 |
| A method and apparatus is disclosed which reduces or removes the effectiveness of commercial skip systems such as presently found in VCRs, PVRs, etc. which are designed to delete commercials from signal material upon playback of a previously recorded version of the signal material. In |
| 7278169 |
Controlling the downloading and recording of digital data |
October 2, 2007 |
| A method and apparatus for enabling a licensed end user to record digital data as described is particularly useful to the music industry as it enables them to make audio data available over the internet but to retain control of the uses to which that audio data can be put. Thus, upon |
| 7274790 |
Scrambling and descrambling a high definition TV signal |
September 25, 2007 |
| Method and apparatus for scrambling a high definition television signal to discourage unauthorized recording of same. While recording per se is not prevented, the resulting recorded signal is rendered unusable due to an induced "wobble" between the active video and the associated sync pu |
| 7266528 |
Method for computer network operation basis for usage fees |
September 4, 2007 |
| A computer network having a requesting node and a providing node permits data transfer therebetween when permitted by an authorizing node. Reports generated in response to authorizations and reports generated in response to data transfers are reconciled at a reconciliation node to improv |
| 7239584 |
Method and apparatus for protection of data carrying discs |
July 3, 2007 |
| The method and apparatus described utilise the fact that CDs manufactured from the same master will have distinctive physical characteristics attributable to the physical manufacturing process of the master to distinguish counterfeit CDs from genuine discs. For a genuine disc, the re |
| 7236683 |
Method and apparatus for providing or enhancing copy protection by adding selected negative-goin |
June 26, 2007 |
| The horizontal blanking interval (HBI) of a normal video signal is modified to enhance the playability of the applied copy protected video signal while maintaining the copy protection effectiveness. As generally known, a copy protected video signal with positive-going pulses in a back |
| 7213228 |
Methods and apparatus for implementing a remote application over a network |
May 1, 2007 |
| A user interface, operating on a display client, for an application program, operating on a remote computer, is implemented such that the division of functionality between the application program and the user interface does not require the application program to possess information r |
| 7200230 |
System and method for controlling and enforcing access rights to encrypted media |
April 3, 2007 |
| A system for providing rights controlled access to digital media comprises a server data processor and a client data processor connected by a communications network. The user data processor provides access to a data object in accordance with rules associated with the data object by the |
| 7161885 |
Copy-protected compact disc and method for producing same |
January 9, 2007 |
| The present application relates to a copy-protected compact disc and a method for producing the optical disc and preventing unauthorized copying. The contents of at least one of the lead-in items in the optical disc are altered so that it is no longer uniform, thereby making a copied |
| 7124114 |
Method and apparatus for determining digital A/V content distribution terms based on detected pi |
October 17, 2006 |
| A distribution server distributes A/V content to a recipient according to terms determined from information stored in a database of prior unauthorized copying attributed to that recipient. The copy distributed to the recipient includes identifications of the content and recipient emb |
| 7100209 |
Method to provide the generation of an incorrect or unreliable vertical/frame rate signal |
August 29, 2006 |
| Techniques for modifying the characteristic signals of the Vertical Blanking Interval (VBI) are disclosed for the generation of an incorrect or unreliable vertical or frame rate signal, via particular characteristics and/or peculiarities of the signals in the VBI. The incorrect or un |
| 7089315 |
Method for computer network operation providing basis for usage fees |
August 8, 2006 |
| A computer network having a requesting node and a providing node permits data transfer therebetween when permitted by an authorizing node. Reports generated in response to authorizations and reports generated in response to data transfers are reconciled at a reconciliation node to improv |
| 7085380 |
Method for modifying a copy protected video signal with a negative amplitude pulse |
August 1, 2006 |
| An enhancement is provided for a copy protection method that discourages copying (e.g., by video taping) of video signals. The enhancement adds negative amplitude pulses to the video signal at a location in the horizontal blanking interval "back porch" after the color burst. This enh |
| 7065506 |
Method and apparatus to inhibit illicit copying from a record carrier to a computer-readable dat |
June 20, 2006 |
| A technique to prevent illicit copying of a copy-protected CD-ROM into a computer-readable storage drive is presented. In accordance with the present invention, when an authentic copy-protected CD-ROM is inserted into a CD drive and the content of the copy-protected CD-ROM is installed |
| 7051004 |
System and methods providing secure delivery of licenses and content |
May 23, 2006 |
| A computer network having a requesting node and a providing node permits data transfer therebetween when permitted by an authorizing node. Reports generated in response to authorizations and reports generated in response to data transfers are reconciled at a reconciliation node to improv |
| 7050698 |
Method and apparatus for synthesizing or modifying a copy protection signal using a lowered sign |
May 23, 2006 |
| A modified Colorstripe.TM. copy protection process utilizes a basic anti-copy protection (ACP) signal that causes attenuation of a video signal, wherein, in one embodiment, the process modifies (lowers) the level of a front porch portion and adds an incorrect color signal (color burs |
| 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 shows variations in the color fidelity that appear as undesirable bands or str |
| 6999946 |
Method for computer network operation providing basis for usage fees |
February 14, 2006 |
| A computer network having a requesting node and a providing node permits data transfer therebetween when permitted by an authorizing node. Reports generated in response to authorizations and reports generated in response to data transfers are reconciled at a reconciliation node to improv |
| 6950520 |
Method and apparatus for carrying data in a video signal so that the data is not recorded |
September 27, 2005 |
| A method and apparatus for modifying a video signal to allow it to carry encoded data which is detectable at a suitably compliant receiver but is not recorded by a conventional video recorder. One application is to carry a descrambling key to prevent useful recording (but not viewing) of |
| 6931547 |
Method and apparatus for identifying a vertical blanking interval in a television signal |
August 16, 2005 |
| Various techniques and associated embodiments are disclosed for providing defensive measures against "black boxes," wherein the techniques utilize unconventional schemes for detecting the vertical blanking interval (VBI) of a video signal containing a copy protection signal. The unconven |
| 6931536 |
Enhanced copy protection of proprietary material employing multiple watermarks |
August 16, 2005 |
| A method and apparatus for distributing proprietary material employs multiple watermarks embedded in the proprietary material for enhanced copy protection. A first watermark is to be processed by programmable and non-programmable devices configured to process the first watermark for |
| 6928040 |
Identifying copy protected optical compact discs |
August 9, 2005 |
| A method and associated apparatus for identifying, to manufacturing test equipment, copy protection information contained on a compact disc (CD). The method includes adding data in standardized industry formats to unused sectors of a CD and providing the capability to test equipment to r |
| 6889206 |
Method for computer network operation providing basis for usage fees |
May 3, 2005 |
| A computer network having a requesting node and a providing node permits data transfer therebetween when permitted by an authorizing node. Reports generated in response to authorizations and reports generated in response to data transfers are reconciled at a reconciliation node to improv |
| 6842522 |
Secure digital video disk and player |
January 11, 2005 |
| A method for recoding data on an optical medium such as DVD. The method includes receiving main data from a data source, determining a plurality of data frame values in response to the main data, inverting at least one selected bit in at least one of the data frame values to generate a |
| 6839433 |
Method and apparatus for generating a signal that defeats illegal cable decoders |
January 4, 2005 |
| Illegal cable decoders, i.e., black boxes, are defeated by adding, inserting and/or superimposing an added signal onto an already scrambled video signal, which added signal is capable of disrupting the operation of the illegal cable decoder. As a result of the added signal, the illegal |
| 6839312 |
Copy protection of digital audio compact discs |
January 4, 2005 |
| The ability of a data reader, such as a CD-ROM drive, to access, extract, or otherwise read the data on a digital audio compact disc provides a problem for the music industry. A user can use his CD-ROM drive to read the data from an audio disc into a computer file, and then that data can |
| 6836549 |
Method and apparatus for synthesizing and reducing the effects of video copy protection signals |
December 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 a particular pulse position shifting, modulation, etc., of AGC, normal sync and/or pseu |
| 6826352 |
Dynamic video copy protection system |
November 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. The copy protection can include any signal that affects playability of an attenu |
| 6813640 |
System and method for controlling the editing by user action of digital objects created in a doc |
November 2, 2004 |
| A system and method for managing the use and access of digital data objects. According to the invention, control rights associated with a digital data object activate an external control object and an intercept application to intercept and monitor communications between a hosting app |
| 6802006 |
System and method of verifying the authenticity of dynamically connectable executable images |
October 5, 2004 |
| System and method for verifying the authenticity of executable images. The system includes a validator that determines a reference digital signature for an executable image using the contents of the executable image excluding those portions of the executable that are fixed-up by a progra |
| 6748079 |
Method and system for recording data on and reading data from an optical medium |
June 8, 2004 |
| Accordingly, an improved method for recording data on an optical medium is disclosed which includes receiving and encoding a first set of data frames by a CIRC encoder to generate a second set of data frames. A control byte is then added to each of the second set of data frames to genera |
| 6701062 |
Generational copy control of a video signal |
March 2, 2004 |
| Method and apparatus for providing generational copy control of a video signal. A digital video signal contains content information, first supplemental information and second supplemental information. The first supplemental information is represented by a watermark pattern, the second |
| 6600873 |
Method and apparatus for detecting modified color burst signals to prevent the copying of a vide |
July 29, 2003 |
| A video signal is modified so that a television receiver will provide a normal color picture but a video tape recorder will detect the modification and prohibit the video signal from being recorded. The color burst phase of the video signal is modified so as to make inferior quality |
| 6594441 |
Method and apparatus for video tag signal recovery using various techniques to regenerate and re |
July 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 copies and the playback of illicit second generation copies. This application discloses |
| 6590979 |
Method and apparatus for compression compatible video scrambling |
July 8, 2003 |
| Scrambling and descrambling techniques are described which, unlike many typical scrambling systems, are compatible with all conceivable forms of signal compression systems. The scrambling technique is based on the principle of applying local spatial distortion to the pixels in a video |
| 6553127 |
Method and apparatus for selective block processing |
April 22, 2003 |
| Methods, devices and systems for embedding and detecting a watermark in a data stream, such as a video stream. A texture criterion is evaluated for each block of the data stream. The texture criterion measures a variation of selected characteristics associated with each element of the da |
| 6542609 |
Method and apparatus for scrambling a high definition television signal |
April 1, 2003 |
| Method and apparatus for scrambling a high definition television signal to discourage unauthorized recording of same. While recording per se is not prevented, the resulting recorded signal is rendered unusable due to an induced "wobble" between the active video and the associated sync pu |
| 6510516 |
System and method for authenticating peer components |
January 21, 2003 |
| A system and method for controlling the usage of data objects in component object systems. According to the invention, each data object includes a peer list that defines one or more peer data objects that are required by the data object. Upon receipt of a data object, the system verifies |
| 6501842 |
Method and apparatus for modifying a video signal by back porch lowering |
December 31, 2002 |
| Method and apparatus for modifying or reducing effects of signals added to a video signal to permit more unhampered copying and/or viewing thereof. In one version the method and apparatus replace or level shift portions of a video signal to overcome effects caused by these pulses. Typica |
| 6459795 |
Method and apparatus for enhancing the scrambling of a TV signal via erroneous clamp signals |
October 1, 2002 |
| An improved television scrambling signal is achieved by adding erroneous clamp pulses into a television signal after the signal may have been previously scrambled, for example, by prior art position modulated horizontal sync pulses. Prior art scrambling systems such as those using po |
| 6421497 |
Method for locating copy protection pulses within selected video lines of a video signal |
July 16, 2002 |
| In a known copy protection process for preventing recording of video signals, pseudo sync and AGC pulses are present on predetermined lines within the blanking intervals of the video signal so that any subsequent video tape recording of the video signal shows a picture of very low en |
