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Cryptography > Video Cryptography > Copy Protection Or Prevention > Having Copy Protect Signal Having Copy Protect SignalHaving Copy Protect Signal patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.10/04/07 - 20070230697 - Method and system for implementing synchronization between a receiving end and a source end of a broadcast television service A method and system for implementing synchronization between a receiving end and a source end of broadcast television service. The method includes: determining, at a transmitting station, time difference information between the source end and the transmitting station; and transmitting, by the transmitting station, time information of the transmitting station ... 09/13/07 - 20070211898 - Copy protection for video signal using added negative amplitude pulse Enhancements to a video anticopying process that causes an abnormally low amplitude video signal to be recorded on an illegal copy. The enhancements in one version introduce into the overscan portion of the television picture, just prior to the horizontal or vertical sync signals but in active video, a negative ... 09/06/07 - 20070206794 - Copy protection for video signal added pulses Enhancements to a video anticopying process that causes an abnormally low amplitude video signal to be recorded on an illegal copy. In one version, positive going pulses are added to the video signal. The enhancements in one version introduce into the overscan portion of the television picture, just prior to ... 07/12/07 - 20070160206 - Communication method for remote keyless entry system A system and method provides a wireless link that is adaptive to the current electronic environment. An electronic control unit monitors signals that are proximate the vehicle that make up the current electronic environment. The electronic control unit evaluates these signals along with any other signals proximate the vehicle. The ... 05/24/07 - 20070116278 - Information recording/playback apparatus and method A block key to encrypt block data is generated using an ATS (arrival time stamp) appended to each of TS (transport stream) packets included in a transport stream correspondingly to the arrival time of the TS packet. The ATS is a random data depending upon an arrival time, and so ... 05/10/07 - 20070104327 - Error detection in high-speed asymmetric interfaces utilizing dedicated interface lines A system and method for detecting errors in high-speed asymmetric interfaces are described. Embodiments include transmitting digital data between a first system component and a second system component over a bidirectional interface, wherein the first component is significantly more intelligent than the second component. The first component receives a signature ... 05/03/07 - 20070098163 - Error detection in high-speed asymmetric interfaces A system and method for detecting errors in high-speed asymmetric interfaces are described. Embodiments include transmitting digital data between a first system component and a second system component over a bidirectional interface, wherein the first component is significantly more intelligent than the second component. The first component controls many operations ... 04/26/07 - 20070092079 - System and method for the assertion and identification of rights information in an analog video signal A method for processing an analog video signal that represents a work for which rights information is asserted. The signal includes a rights assertion mark (RAM) in the video portion of the signal within the visible picture such that capture of the picture will include the mark. The signal also ... 03/15/07 - 20070058809 - Protection of a digital content on a physical medium A method of storage of digital data on a physical medium equipped with calculation circuitry, by ciphering the data using a symmetrical algorithm with a ciphering key independent from the recorder, and by transferring the ciphering key onto the medium or its calculation by an asymmetrical algorithm and a read ... 01/25/07 - 20070019810 - Data transmitting and receiving system, data processing apparatus and encoding communication method A data processing apparatus, comprising: an encoding unit to encode data to be transmitted, produce header information including identification information for specifying a key enabling decoding the encoded data, encode the produced header information by using a key of a transmission destination, and add the encoded header information to the ... 01/18/07 - 20070014405 - Tag information production apparatus, tag information production method and recording medium A tag information production apparatus is disclosed which can apply tag information to a main image through a realistic amount of work. A time information acquisition section acquires time information of a main image selected on a working screen, and a key region setting section sets a key region at ... 01/11/07 - 20070009100 - Production apparatus for index information with link information, production apparatus for image data with tag information, production method for index information with link information, production method for image data with tag information and recording Disclosed herein is a production apparatus for index information with link information. The apparatus includes a database in which a corresponding relationship between region identification information applied to a key region which provides a partial region in a main image specified arbitrarily by an operator and link information for accessing ... 01/11/07 - 20070009099 - Tag information display control apparatus, information processing apparatus, display apparatus, tag information display control method and recording medium A tag information display control apparatus disclosed allows information regarding a particular partial region in moving pictures to be displayed on a screen only by clicking the partial region. Movement of a pointer in a screen by a viewer of a main image is accepted, and the position of the ... 04/20/06 - 20060083374 - Security systems for programmable logic controllers A security system encrypts the password on an operator interface terminal without storing the password and sends the encrypted password to a programmable logic controller, where the password is again encrypted. The multiple-encrypted password is stored on the programmable logic controller. Even if an unauthorized individual were able to see ... 03/30/06 - 20060067530 - Recording/playback system for medium compliant to copy control By introducing a new copy control system into video signals subjected to picture quality restriction satisfactory only in small-sized PMP displays, a new business model in which copyrighters, consumers and makers can have mutual prosperity is created. “A new copy control rule of prohibiting a video signal output with a ... 03/09/06 - 20060050880 - Modifying bitstreams The bitstream includes digital codes representing an information signal. At least one digital code is selected. The code occupies a part of the bitstream which is to contain at least one watermark code which represents a watermark perceptible in the information signal. The selected digital code(s) are removed from the ... 02/02/06 - 20060023880 - Method and system for end of run watermarking Embedding a watermark includes receiving a datastream of repeated values, determining if an end of run mode permits embedding a first or second binary value, transmitting a shortened version of the datastream when the next bit is a first binary value, appending to the datastream a redundant codeword indicating when ... 11/03/05 - 20050244004 - Information processing apparatus and method There is provided an information processing method/apparatus for demultiplexing object streams from a datastream which includes a plurality of object streams each having predetermined information, and decoding, synthesizing, and outputting the object streams, wherein the object streams are authenticated, and whether or not the playback control of a predetermined object ... 10/27/05 - 20050238167 - Anti-piracy coding of motion pictures A method for uniquely identifying a copy of a motion picture disposed on a medium. A first sequence and a second sequence of the motion picture each can be selectively marked with an identifier mark to collectively define a uniquely identifiable marking pattern. A third sequence of the motion picture ... 07/28/05 - 20050163315 - Copy protection for applications The present invention relates to an application file to be carried on an optical disc and to a method of copy protecting an application, where the application is provided by an application file to be carried on an optical disc. The invention also extends to a copy protected optical disc ... 07/07/05 - 20050147248 - Window shaping functions for watermarking of multimedia signals A window shaping function is described which has an integral over the window shaping function of zero. Compared with conventional window shaping functions, this window shaping function improves the robustness of the watermark signal for a given quality of host signal. Methods and apparatus suitable for utilizing this window shaping ... 06/16/05 - 20050129230 - Image display method and image display processor A method and apparatus whereby it is directly and indirectly prevented that a literary work such as a cinema or a video image displayed on a display apparatus such as a theater screen or a display unit is picked up illegally by an image pickup apparatus such as a video ... ### FreshPatents.com Support |