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1. 发明公开

EP1810511A1 CONTENT MANAGEMENT FOR HIGH DEFINITION TELEVISION 审中-公开
标题翻译：内容管理高分辨率电视
公开(公告)号：EP1810511A1
公开(公告)日：2007-07-25
申请号：EP05823359.4
申请日：2005-10-25
申请人： MACROVISION CORPORATION
发明人： QUAN, Ronald
IPC分类号： H04N5/913 , H04N7/169 , H04N7/171
CPC分类号： H04N5/913 , G11B20/00086 , G11B20/00753 , H04N7/169 , H04N2005/91314 , H04N2005/91321 , H04N2005/91328
摘要： A high definition television video content management and/or copy protection method and apparatus are achieved by modifying portions of one or more channels of an HDTV (high definition television) signal. These modifications are generally in the blanking intervals but can extend into the overscanned portions. In one version, the signal modification defines tags or trigger bits for a content control system. This modification may follow the HDTV tri-level sync (synchronization) pulses for example, and it may occur in at least one of the HDTV video channels. In another version, portions of the tri-level sync pulse are modified to cause a reference sensing circuit such an AGC system (in a receiving device such as a video recorder) to produce an erroneous output. Optionally, a signal may be added or inserted following the modified tri-level sync pulses. In another version, tri-level pseudo sync pulses are added in blanking or overscanned intervals. These tri-level pseudo sync pulses may be asymmetrical and may be followed by a signal. Further, any of the above modifications or signals or sync signals may be modulated (e.g., amplitude, position, pulsewidth). Also provided are defeat methods and apparatus to reduce effects or to modify results of the modification processes.

2. 发明授权

EP0734172B1 Television signal processor 失效
标题翻译：电路，用于处理电视信号
公开(公告)号：EP0734172B1
公开(公告)日：2001-08-29
申请号：EP96108123.9
申请日：1989-10-13
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Hirashima, Masayoshi
IPC分类号： H04N7/26
CPC分类号： H04N19/00 , H04N7/08 , H04N7/085 , H04N7/088 , H04N7/122 , H04N7/169 , H04N7/171 , H04N19/503 , H04N19/507 , H04N19/593

3. 发明公开

EP0812111A2 Method of scrambling three-dimensional image 失效
标题翻译： Verschlüsselungsverfahrenfürdreidimensionale Bilder
公开(公告)号：EP0812111A2
公开(公告)日：1997-12-10
申请号：EP97108939.6
申请日：1997-06-03
申请人： SANYO ELECTRIC Co., Ltd.
发明人： Okino, Toshiyuki , Mori, Yukio
IPC分类号： H04N7/167
CPC分类号： H04H60/23 , H04H60/15 , H04N7/169 , H04N7/171 , H04N13/15 , H04N13/161 , H04N13/167 , H04N13/189 , H04N13/194 , H04N13/257 , H04N13/261 , H04N13/296 , H04N13/361 , H04N19/597
摘要： In a method of scrambling a three-dimensional image according to the present invention, the phase of a part of at least one of a left eye image and a right eye image constituting a three-dimensional image is shifted from the original phase in the horizontal direction.
摘要翻译：在根据本发明的加扰三维图像的方法中，构成三维图像的左眼图像和右眼图像中的至少一个的一部分的相位从水平方向上的原始相位偏移方向。

4. 发明公开

EP0734172A3 Television signal processor 失效
标题翻译：电路，用于处理电视信号
公开(公告)号：EP0734172A3
公开(公告)日：1997-03-05
申请号：EP96108123.9
申请日：1989-10-13
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Hirashima, Masayoshi
IPC分类号： H04N7/26
CPC分类号： H04N19/00 , H04N7/08 , H04N7/085 , H04N7/088 , H04N7/122 , H04N7/169 , H04N7/171 , H04N19/503 , H04N19/507 , H04N19/593
摘要： A device which processes a television signal for transmission in which the television signal is divided into horizontal scanning line units, video signals in two consecutive horizontal scanning periods are compared, and when either part or all of these two signals differ, transmits by means of a television signal transmitter (3,4,7A,7B) only the video signal Vx for that part of the signals which is different, and which uses said transmitted television signal in the television signal receiver (25,26,27,28) to reproduce a complete video signal with all horizontal scanning periods by calculating, mixing, overlaying, or replacing video signal Vx for either part or all of the video signal Vn-1 for the one preceding horizontal scanning period. Furthermore, a code signal indicating the position of video signal Vx is included in the field or the horizontal scanning line.

5. 发明公开

EP0734169A3 Television signal processor 失效
标题翻译：电视信号处理器
公开(公告)号：EP0734169A3
公开(公告)日：1996-12-18
申请号：EP96108120.5
申请日：1989-10-13
申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人： Hirashima, Masayoshi
IPC分类号： H04N7/26
CPC分类号： H04N19/00 , H04N7/08 , H04N7/085 , H04N7/088 , H04N7/122 , H04N7/169 , H04N7/171 , H04N19/503 , H04N19/507 , H04N19/593
摘要： A device which processes a television signal for transmission in which the television signal is divided into horizontal scanning line units, video signals in two consecutive horizontal scanning periods are compared, and when either part or all of these two signals differ, transmits by means of a television signal transmitter (3, 4, 7A, 7B) only the video signal Vx for that part of the signals which is different, and which uses said transmitted television signal in the television signal receiver (25, 26, 27, 28) to reproduce a complete video signal with all horizontal scanning periods by calculating, mixing, overlaying, or replacing video signal Vx for either part or all of the video signal Vn-1 for the one preceding horizontal scanning period.
摘要翻译：处理将电视信号分割成水平扫描线单元的传输用电视信号的装置，将连续的两个水平扫描期间的视频信号进行比较，在这两个信号的任意一部分或全部不同的情况下，通过电视信号发送器（3,4,7A，7B）仅接收不同信号部分的视频信号Vx，并且使用电视信号接收器（25,26,27,28）中的所发送的电视信号来再现通过计算，混合，叠加或替换用于前一个水平扫描周期的视频信号Vn-1的部分或全部的视频信号Vx而具有所有水平扫描周期的完整视频信号。

6. 发明公开

EP0622003A1 MULTICHANNEL TELEVISION SIGNAL SCRAMBLING AND DESCRAMBLING SYSTEM AND METHOD 失效转让
标题翻译：多通道电视信号加扰和解扰系统和方法
公开(公告)号：EP0622003A1
公开(公告)日：1994-11-02
申请号：EP93903401.0
申请日：1993-01-07
申请人： Multichannel Communication Sciences, Inc.
发明人： KATZNELSON, Ron D.
IPC分类号： H03C1 , H04J1 , H04L5 , H04N7
CPC分类号： H04L5/06 , H04N7/08 , H04N7/162 , H04N7/1675 , H04N7/169 , H04N7/1713
摘要： Système de commande d'accès à des signaux télévisuels multicanaux dans lequel on effectuer le traitement du signal à large bande en injectant des signaux de radiofréquence (RF) à porte cohérente sur une pluralité de canaux, ce qui permet d'effectuer le débrouillage sélectif d'un sous-ensemble arbitraire de canaux situé dans un groupe de canaux. Ce système utilise une commande de vecteur tournant de signal d'injection à boucle fermée pour maintenir une relation pratiquement constante entre les signaux télévisuels et les signaux injectés. Les signaux combinés sont distribués à des abonnés qui peuvent alors utiliser leur installation prévue pour le câble. Le signal à large bande est couplé à un amplificateur (104) à large bande par l'intermédiaire d'un diviseur de puissance (102). Dans la ligne (114) les signaux injectés sont combinés avec le signal amplifié à large bande par le coupleur directif (108) et il en résulte un signal composite sur la ligne (109). Le signal à large bande de la ligne (109) est distribué au point d'accès (112) de l'abonné par un branchement directionnel (110). Les signaux injectés qui forment ensemble le signal composite injecté au niveau de la ligne (114) sont générés par un générateur (136) numérique à large bande qui alimente le commutateur RF (116). Pendant le moment où l'injection est nécessaire, le commutateur RF (116) se trouve dans la position (117) indiquée sur le schéma.
摘要翻译：一种多信道电视信号接入控制系统，其中通过在多个信道上注入相干门射频（RF）信号来执行宽带信号处理，由此能够选择性地解扰一组频道中的任意频道子集。该系统利用闭环注入信号矢量控制来维持电视信号和注入信号之间基本恒定的关系。合并的信号被分配给订户，然后用户可以使用他们的计划安装电缆。宽带信号经功率分配器（102）耦合到宽带放大器（104）。在线（114）中，注入的信号通过定向耦合器（108）与放大的宽带信号组合，并且在线（109）上产生合成信号。线路（109）的宽带信号通过有向分支（110）分配给用户的接入点（112）。一起形成在线路（114）处注入的复合信号的注入信号由为RF开关（116）供电的宽带数字发生器（136）产生。在需要注射时，RF开关（116）处于图中所示的位置（117）。

7. 发明授权

EP0255407B1 Method and apparatus for removing pseudo-sync and/or automatic gain control pulses from a video signal 有权转让
标题翻译：从视频信号中去除PSEUDO同步和/或自动增益控制脉冲的方法和装置
公开(公告)号：EP0255407B1
公开(公告)日：1989-11-29
申请号：EP87308207.7
申请日：1987-09-16
申请人： MACROVISION CORPORATION
发明人： Ryan, John Oliver
IPC分类号： H04N5/91 , H04N7/167
CPC分类号： H04N5/913 , H04N7/169 , H04N7/171 , H04N2005/91314
摘要： Added pseudo-sync pulses and AGC pulses are removed from a video signal to enable acceptable video recording thereof. The added signals previously interfered with acceptable video recording of the video signal because the automatic gain control of videotape recorders sensed false recording levels, while conventional televisions receivers were unaffected by those modifications to the video signal. Removal of the added pulses permits acceptable video recording of the previously modified video signal. A selectively-operable clipping circuit is used to remove selected negative-value components (i.e., pseudo-sync pulses) from the video signal, while added AGC pulses are effectively blanked from the video signal with an electrically-operable switch. Both the blanking and clipping functions are selectively achieved by sensing both the normal sync pulses of the video signal and the added pseudo-sync pulses. Method and apparatus are disclosed for "cleaning up" video signals modified by the pseudo-sync pulses alone, the AGC pulses alone, or combinations thereof.

8. 发明公开

EP0127383A1 Video signal scrambling and descrambling systems 有权转让
标题翻译：加密和解密电视信号的系统。
公开(公告)号：EP0127383A1
公开(公告)日：1984-12-05
申请号：EP84303322.6
申请日：1984-05-16
申请人： M/A-COM GOVERNMENT SYSTEMS, INC. , CABLE/HOME COMMUNICATION CORP.
发明人： Heller, Jerrold A. , Paik, Woo H.
IPC分类号： H04N7/167
CPC分类号： H04N7/1696 , H04N7/1675 , H04N7/169
摘要： Systems for scrambling and descrambling video information lines. The scrambling system includes a memory: a storage system for sequentially storing groups of four video information lines in the memory; and a retrieval means for forming groups of four scrambled video information lines by retrieving the stored video information from the memory in a sequence different from the sequence within the stored group in which the information was stored. The retrieval system forms the scrambled video information lines by retrieving a portion of a first stored video information line from a first position therein to form a portion of a first scrambled video information line occupying a second position therein; retrieving a portion of the first stored video information line from the corresponding second position therein to form a portion of a second scrambled video information line occupying a position therein other than the corresponding second position; and forming the portion of the first scrambled video information line occupying the corresponding first position therein by retrieving a portion of a stored video information line other than the first stored video information line from a position therein other than the corresponding first position. The sequence of formation of the scrambled lines. the respective sizes of the retrieved portions, and the combinations of stored video lines within the stored groups for forming the first and second scrambled video lines are varied from one group to the next in response to a keystream of control bits. The descrambling system functions conversely to the scrambling system.

9. 发明公开

EP0052655A1 TELEVISION SCRAMBLING AND UNSSCRAMBLING METHOD AND APPARATUS 失效
标题翻译：方法和设备的加密电视信号解密。
公开(公告)号：EP0052655A1
公开(公告)日：1982-06-02
申请号：EP81901828.0
申请日：1981-04-06
申请人： R F MONOLITHICS, INC.
发明人： RAGAN, Lawrence H. , HARTMANN, Clinton S.
IPC分类号： H04N7
CPC分类号： H04N7/169
摘要： Procede et dispositif permettant le brouillage et le decodage de signaux de television de maniere a empecher la reception de signaux acceptables par un recepteur de television non autorise tout en maintenant le signal de television decodable par un recepteur autorise. La presente realisation peut aussi etre utilisee pour reduire la puissance necessaire d'un signal porteur d'un emetteur de television. Un emetteur (12) envoie un signal de television au travers d'au moins un filtre lineaire (30, 32 et 34) du type produisant des signaux multiples retardes dans le temps presentant des retards de temps differents. Un recepteur (14) capte les signaux multiples retardes dans le temps provenant de l'emetteur et les envoie au travers d'au moins un filtre lineaire (64, 66 et 68) permettant d'additionner ces signaux de maniere a renforcer un signal representatif du signal a l'origine ce qui permet une reception acceptable par un poste de television autorise. Dans un mode de realisation, les filtres lineaires sont composes de dispositifs SAW. Dans un autre mode de realisation, les filtres lineaires sont du type utilisant des dispositifs a couplage de charge et dans un troisieme mode de realisation, les filtres lineaires sont du type digital. Dans un quatrieme mode de realisation, les filtres lineaires de haute frequence sont du type ferromagnetique. Differents codes de brouillage sont ainsi obtenus.

10. 发明公开

EP1248471A1 Digital phase locked loop for embedded signal clock recovery 审中-公开
标题翻译： Digitale Phasenregelschleife zurTaktrückgewinnungfürein eingebettetes Signal
公开(公告)号：EP1248471A1
公开(公告)日：2002-10-09
申请号：EP02251701.5
申请日：2002-03-11
申请人： Broadcom Corporation
发明人： Bodenschatz, John
IPC分类号： H04N7/52 , H04N7/62
CPC分类号： H04N21/4305 , H03L7/085 , H03L7/0991 , H03L2207/50 , H04N7/083 , H04N7/169 , H04N7/56 , H04N21/23602 , H04N21/2368 , H04N21/4341 , H04N21/4342
摘要： The present invention relates to a system and method for generating a first clock frequency for a plurality of digital data bursts compressed in time, where each of the plurality of digital data bursts has been multiplexed into one of a plurality of data blocks of higher speed digital data. The system and method includes acquiring the width in data elements of a digital data burst and the width in data elements of a data block of higher speed digital data. The width of one period of a clock pulse is computed at the first clock frequency. A clock pulse is generated at the first clock frequency.
摘要翻译： FIFO电路将几个数字数据流组装成单个数字数据流。多路复用器将数据流与一行视频数据复用以形成聚合数字数据流。包括用于数字数据容量增加方法的独立权利要求。

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