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1. 发明授权

US07120251B1 Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus 有权
公开(公告)号：US07120251B1
公开(公告)日：2006-10-10
申请号：US09640783
申请日：2000-08-18
申请人： Hirotsugu Kawada , Noboru Katta , Susumu Ibaraki , Makoto Tatebayashi , Shunji Harada
发明人： Hirotsugu Kawada , Noboru Katta , Susumu Ibaraki , Makoto Tatebayashi , Shunji Harada
IPC分类号： H04N7/167
CPC分类号： H04N7/1675 , G11B20/00086 , G11B20/00181 , G11B20/00195 , G11B20/0021 , G11B20/00231 , G11B20/00673 , G11B20/0084 , G11B20/00884 , H04N5/85 , H04N5/913 , H04N9/8042 , H04N21/2541 , H04N21/4181 , H04N21/42646 , H04N21/4325 , H04N21/4334 , H04N21/4367 , H04N21/4405 , H04N21/4408 , H04N21/4623 , H04N21/835 , H04N21/8358 , H04N2005/91335 , H04N2005/91364
摘要： A data player for reading contents encrypted by a decoding key from a digital medium, and playing the encrypted contents by using the decoding key which is stored in a key storage unit, comprises: a key obtaining unit for performing mutual authentication with the key storage unit to obtain the decoding key stored in the key storage unit; a key holding unit for holding the decoding key; a playback state obtaining unit for monitoring the playback state of the digital medium; and a contents decoding unit for decoding the encrypted contents by using the decoding key. The decoding key is obtained by the key obtaining unit and stored in the key holding unit, and the encrypted contents read from the digital medium is decoded with the decoding key by the contents decoding unit to play the contents. The decoding key stored in the key holding unit is discarded according to the playback state of the digital medium which is obtained by the playback state obtaining unit.

2. 发明授权

US5546461A Scramble system for use in digital video signal recording and reproducing system or transmission and receiving system, comprising scramble apparatus and descramble apparatus 失效
标题翻译：用于数字视频信号记录和再现系统或发送和接收系统的扰频系统，包括加扰装置和解扰装置
公开(公告)号：US5546461A
公开(公告)日：1996-08-13
申请号：US225330
申请日：1994-04-08
申请人： Susumu Ibaraki , Noboru Katta , Seiji Nakamura , Hiroki Murakami
发明人： Susumu Ibaraki , Noboru Katta , Seiji Nakamura , Hiroki Murakami
IPC分类号： H04N5/765 , H04N7/167 , H04N9/804 , H04K1/04
CPC分类号： H04N9/8047 , H04N5/765 , H04N7/1675
摘要： A scramble system of the present invention including a scramble apparatus and a descramble apparatus is applied to a recording and reproducing system or a transmission and receiving system wherein a frame of a digital video signal composed of a plurality of frames is divided into a plurality of predetermined fundamental video blocks corresponding to recording and reproducing processes. Either one of the recording and reproducing system and the transmission and receiving system executes a reconstruction process such as an interpolation process, a high speed playback process or the like. The scramble apparatus executes a scramble process on the inputted digital video signal in the identical processing manner using the fundamental video blocks in the identical position in each of the frames and generates a scrambled video signal, while the descramble apparatus effects reverse conversion of the scramble process executed by the scramble apparatus using the fundamental video blocks on the scrambled video signal generated by the scramble apparatus.
摘要翻译：包括加扰装置和解密装置的本发明的加扰系统被应用于记录和再现系统或发送和接收系统，其中由多个帧组成的数字视频信号的帧被划分为多个预定的对应于记录和再现处理的基本视频块。记录和再现系统以及发送和接收系统中的任一个执行诸如内插处理，高速重放处理等的重建处理。加密装置以相同的处理方式对输入的数字视频信号进行加扰处理，使用每帧中相同位置的基本视频块，并产生加扰视频信号，而解扰装置执行加扰处理的反向转换由加扰装置使用基本视频块对由加扰装置产生的加扰视频信号执行。

3. 发明授权

US5515437A Scramble transmission apparatus and signal processing apparatus 失效
标题翻译：扰频发送装置和信号处理装置
公开(公告)号：US5515437A
公开(公告)日：1996-05-07
申请号：US291420
申请日：1994-08-16
申请人： Noboru Katta , Hiroki Murakami , Susumu Ibaraki , Seiji Nakamura
发明人： Noboru Katta , Hiroki Murakami , Susumu Ibaraki , Seiji Nakamura
IPC分类号： H04N7/167
CPC分类号： H04N7/1675
摘要： The occurrence of malfunction on the reproduction side is avoided by preventing a scrambled signal from being coincided with a reserved word in the signal when a scramble process is carried out in order to release a transmission signal to specific users. The scramble process includes at least one of methods of (1) bit-inverting specified codes of the transmission signal code by code, (2) limiting bits to be scrambled from a specified position in the transmission signal, and (3) limiting codes to be scrambled to specific codes.
摘要翻译：通过在执行加扰处理时为了向特定用户释放发送信号，通过防止加扰信号与信号中的保留字一致来避免再现侧出现故障。加密处理包括以下方法中的至少一种：（1）通过代码对发送信号码的指定代码进行比特反转，（2）限制要从发送信号中的指定位置加扰的比特，以及（3）限制代码被加扰到具体代码。

4. 发明申请

US20060285687A1 Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus 审中-公开
公开(公告)号：US20060285687A1
公开(公告)日：2006-12-21
申请号：US11512382
申请日：2006-08-30
申请人： Hirotsugu Kawada , Noboru Katta , Susumu Ibaraki , Makoto Tatebayashi , Shunji Harada
发明人： Hirotsugu Kawada , Noboru Katta , Susumu Ibaraki , Makoto Tatebayashi , Shunji Harada
IPC分类号： H04N7/167
CPC分类号： H04N7/1675 , G11B20/00086 , G11B20/00181 , G11B20/00195 , G11B20/0021 , G11B20/00231 , G11B20/00673 , G11B20/0084 , G11B20/00884 , H04N5/85 , H04N5/913 , H04N9/8042 , H04N21/2541 , H04N21/4181 , H04N21/42646 , H04N21/4325 , H04N21/4334 , H04N21/4367 , H04N21/4405 , H04N21/4408 , H04N21/4623 , H04N21/835 , H04N21/8358 , H04N2005/91335 , H04N2005/91364
摘要： A data player for reading contents encrypted by a decoding key from a digital medium, and playing the encrypted contents by using the decoding key which is stored in a key storage unit, comprises: a key obtaining unit for performing mutual authentication with the key storage unit to obtain the decoding key stored in the key storage unit; a key holding unit for holding the decoding key; a playback state obtaining unit for monitoring the playback state of the digital medium; and a contents decoding unit for decoding the encrypted contents by using the decoding key. The decoding key is obtained by the key obtaining unit and stored in the key holding unit, and the encrypted contents read from the digital medium is decoded with the decoding key by the contents decoding unit to play the contents. The decoding key stored in the key holding unit is discarded according to the playback state of the digital medium which is obtained by the playback state obtaining unit.

5. 发明授权

US06434538B1 Data control method, for embedding data control information, method for detecting data control information, device for embedding data control information and device for recording data 失效
标题翻译：数据控制方法，嵌入数据控制信息的方法，数据控制信息的检测方法，嵌入数据控制信息的装置和记录数据的装置
公开(公告)号：US06434538B1
公开(公告)日：2002-08-13
申请号：US09110560
申请日：1998-07-06
申请人： Susumu Ibaraki , Noboru Katta
发明人： Susumu Ibaraki , Noboru Katta
IPC分类号： G11B586
CPC分类号： G11B20/00746 , G06T1/0021 , G06T1/0071 , G06T2201/0064 , G11B20/00086 , G11B20/00123 , G11B20/00173 , G11B20/00768
摘要： A data control method includes the steps of: A) at least one of the following steps: A-1) embedding prohibition information in data, wherein copying of the data is to be prohibited; and A-2) embedding the prohibition information and N pieces of permission information in the data (N is a natural number), wherein the copying of the data is to be permitted N times; and B) detecting the prohibition and/or permission information prior to the copying of the data. In the case where the permission information is detected from the data prior to the copying of the data, at least one of the N pieces of permission information in the data is invalidated, and then the copying of the data is permitted. In the case where the permission information is not detected from the data, and the prohibition information is detected from the data prior to the copying of the data, the copying of the data is prohibited.
摘要翻译：数据控制方法包括以下步骤：A）以下步骤中的至少一个：A-1）嵌入禁止信息在数据中，其中禁止复制数据; 和A-2）将禁止信息和N个许可信息嵌入到数据（N是自然数）中，其中数据的复制被允许N次; 和B）在复制数据之前检测禁止和/或许可信息。在从复制数据之前的数据中检测到许可信息的情况下，数据中的N条许可信息中的至少一个无效，然后复制数据。在没有从数据中检测到许可信息的情况下，并且从复制数据之前的数据中检测到禁止信息的情况下，禁止复制数据。

6. 发明授权

US5706346A Scrambling apparatus and descrambling apparatus 失效
标题翻译：加扰装置和解扰装置
公开(公告)号：US5706346A
公开(公告)日：1998-01-06
申请号：US321757
申请日：1994-10-12
申请人： Noboru Katta , Hiroki Murakami , Susumu Ibaraki , Seiji Nakamura
发明人： Noboru Katta , Hiroki Murakami , Susumu Ibaraki , Seiji Nakamura
IPC分类号： H04N7/167
CPC分类号： H04N7/1675
摘要： A scrambling apparatus has at least one of the following processing units: a signal inserting processor for inserting a dummy pattern indicating the quantization width in the compressed video data; a conversion processor for scrambling a signal specifying whether field or frame processing is used; a DCT coefficient conversion processor for scrambling a part of the code defining the DCT coefficient; an intra.sub.-- dc.sub.-- precision conversion processor for scrambling the intra.sub.-- dc.sub.-- precision signal; and an alternate.sub.-- scan conversion processor for scrambling the alternate .sub.-- scan signal. A descrambling apparatus reverses the conversion process on the video data scrambled by the scrambling apparatus to restore the video data to the original unscrambled state.
摘要翻译：加扰装置具有以下处理单元中的至少一个：信号插入处理器，用于将指示量化宽度的虚拟图案插入压缩视频数据中; 转换处理器，用于对指定是使用字段还是帧处理的信号进行加扰; DCT系数转换处理器，用于对定义DCT系数的代码的一部分进行加扰; 用于对所述DC内精度信号进行加扰的DC-DC精度转换处理器; 以及用于对交替扫描信号进行加扰的交替扫描转换处理器。解扰装置对由加扰装置加扰的视频数据进行转换处理，将视频数据恢复到原来的未加扰状态。

7. 发明授权

US5636279A Scramble apparatus and descramble apparatus 失效
标题翻译：加扰装置和解扰装置
公开(公告)号：US5636279A
公开(公告)日：1997-06-03
申请号：US310754
申请日：1994-09-23
申请人： Noboru Katta , Hiroki Murakami , Susumu Ibaraki , Seiji Nakamura , Toshihide Akiyama , Hiroshi Takeno
发明人： Noboru Katta , Hiroki Murakami , Susumu Ibaraki , Seiji Nakamura , Toshihide Akiyama , Hiroshi Takeno
IPC分类号： H04N7/167 , H04N7/26 , H04N7/30 , H04L9/00
CPC分类号： H04N7/1675 , H04N19/60 , H04N19/13 , H04N19/91
摘要： A scramble apparatus for scrambling data including a variable length code and a descramble apparatus is for descrambling a scrambled signal, and a scramble transmission apparatus comprising the scramble apparatus and the descramble apparatus. A specific code of data is converted into a readable code having a length equal to that of an original code.
摘要翻译：用于对包括可变长度码和解密装置的数据进行加扰的加扰装置用于对加扰信号进行解扰，以及加扰传输装置，包括加扰装置和解扰装置。将特定的数据代码转换成长度等于原始码长度的可读代码。

8. 发明授权

US5377266A Scramble apparatus and descramble apparatus 失效
标题翻译：加扰装置和解扰装置
公开(公告)号：US5377266A
公开(公告)日：1994-12-27
申请号：US89522
申请日：1993-07-21
申请人： Noboru Katta , Hiroki Murakami , Susumu Ibaraki , Seiji Nakamura , Toshihide Akiyama , Hiroshi Takeno
发明人： Noboru Katta , Hiroki Murakami , Susumu Ibaraki , Seiji Nakamura , Toshihide Akiyama , Hiroshi Takeno
IPC分类号： H04N7/167 , H04N7/26 , H04N7/30 , H04L9/00
CPC分类号： H04N7/1675 , H04N19/60 , H04N19/13 , H04N19/91
摘要： A scramble apparatus is for scrambling data including a variable length code and a descramble apparatus for descrambling a scrambled signal, and a scramble transmission apparatus comprising the scramble apparatus and the descramble apparatus. A specific code of data is converted into a readable code having a length equal to that of an original code.
摘要翻译：扰频装置用于对包括可变长度码和解扰装置的数据进行加扰，以对扰频信号进行解扰，以及加密发送装置，包括加扰装置和解扰装置。将特定的数据代码转换成长度等于原始码长度的可读代码。

9. 发明授权

US07577251B2 Data player, digital contents player, playback system, data embedding apparatus, and embedded data detection apparatus 有权
标题翻译：数据播放器，数字内容播放器，播放系统，数据嵌入装置和嵌入式数据检测装置
公开(公告)号：US07577251B2
公开(公告)日：2009-08-18
申请号：US11512372
申请日：2006-08-30
申请人： Hirotsugu Kawada , Noboru Katta , Susumu Ibaraki , Makoto Tatebayashi , Shunji Harada
发明人： Hirotsugu Kawada , Noboru Katta , Susumu Ibaraki , Makoto Tatebayashi , Shunji Harada
IPC分类号： H04N7/167
CPC分类号： H04N7/1675 , G11B20/00086 , G11B20/00181 , G11B20/00195 , G11B20/0021 , G11B20/00231 , G11B20/00673 , G11B20/0084 , G11B20/00884 , H04N5/85 , H04N5/913 , H04N9/8042 , H04N21/2541 , H04N21/4181 , H04N21/42646 , H04N21/4325 , H04N21/4334 , H04N21/4367 , H04N21/4405 , H04N21/4408 , H04N21/4623 , H04N21/835 , H04N21/8358 , H04N2005/91335 , H04N2005/91364
摘要： A data player for reading contents encrypted by a decoding key from a digital medium, and playing the encrypted contents by using the decoding key which is stored in a key storage unit, comprises: a key obtaining unit for performing mutual authentication with the key storage unit to obtain the decoding key stored in the key storage unit; a key holding unit for holding the decoding key; a playback state obtaining unit for monitoring the playback state of the digital medium; and a contents decoding unit for decoding the encrypted contents by using the decoding key. The decoding key is obtained by the key obtaining unit and stored in the key holding unit, and the encrypted contents read from the digital medium is decoded with the decoding key by the contents decoding unit to play the contents. The decoding key stored in the key holding unit is discarded according to the playback state of the digital medium which is obtained by the playback state obtaining unit.
摘要翻译：一种数据播放器，用于从数字介质读取通过解码密钥加密的内容，并且通过使用存储在密钥存储单元中的解码密钥播放加密内容，包括：密钥获取单元，用于执行与密钥存储单元的相互认证以获得存储在密钥存储单元中的解码密钥; 用于保持解码密钥的键保持单元; 播放状态获取单元，用于监视数字媒体的播放状态; 以及内容解码单元，用于通过使用解码密钥对加密的内容进行解码。解码密钥由密钥获取单元获得并存储在密钥保存单元中，并且由内容解码单元用解码密钥对从数字介质读取的加密内容进行解码以播放内容。存储在键保持单元中的解码密钥根据由重放状态获取单元获得的数字媒体的重放状态而被丢弃。

10. 发明授权

US06972796B2 Image pickup system and vehicle-mounted-type sensor system 有权
标题翻译：摄像系统和车载式传感器系统
公开(公告)号：US06972796B2
公开(公告)日：2005-12-06
申请号：US09793491
申请日：2001-02-27
申请人： Noboru Katta , Hirotsugu Kawata , Susumu Ibaraki , Takahisa Sakai , Toshiaki Mori , Akihiro Yamamoto , Toshihiko Kurosaki , Yuji Mizuguchi
发明人： Noboru Katta , Hirotsugu Kawata , Susumu Ibaraki , Takahisa Sakai , Toshiaki Mori , Akihiro Yamamoto , Toshihiko Kurosaki , Yuji Mizuguchi
IPC分类号： H04N5/232 , H04N7/18 , H04N5/222
CPC分类号： H04N5/23206 , H04N5/232 , H04N5/23238 , H04N7/181
摘要： A control device determines whether an image generated by merging several concurrently picked-up images has consistent image quality on a display device. If determined No, image quality parameters set in each image pickup device are so controlled as to make the image quality of the merged image consistent. Therefore, the merged image can assuredly have consistent image quality. Further, a signal processing device detects, based on positions of nodes and attributes of cameras, a connection indicating which node is connected to which camera and with what attribute. The signal processing device in advance stores every detectable connection and a plurality of image processing programs corresponding to each connection, and selects and carries out one of the image processing programs corresponding to the detected connection.
摘要翻译：控制装置确定通过合并多个同时拍摄的图像产生的图像在显示装置上是否具有一致的图像质量。如果确定为否，则对每个图像拾取装置中设置的图像质量参数进行如此控制，以使合并图像的图像质量一致。因此，合并的图像可以确保具有一致的图像质量。此外，信号处理装置基于节点的位置和摄像机的属性来检测指示哪个节点连接到哪个摄像机以及什么属性的连接。信号处理装置预先存储与每个连接相对应的每个可检测连接和多个图像处理程序，并且选择并执行与检测到的连接相对应的一个图像处理程序。

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