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21. 发明授权

US07146507B2 Information recording apparatus having function of encrypting information 有权
公开(公告)号：US07146507B2
公开(公告)日：2006-12-05
申请号：US10196152
申请日：2002-07-17
申请人： Tomoyuki Shindo , Takeo Ohishi
发明人： Tomoyuki Shindo , Takeo Ohishi
IPC分类号： G06F11/30 , G06F12/14 , H06F9/32 , H04N7/167
CPC分类号： G06F21/10 , G06F21/6209 , G06F21/78 , G06F2221/0797 , G06F2221/2107 , G11B20/00086 , G11B20/0021 , G11B20/00507 , H04N5/781 , H04N5/913 , H04N9/8042 , H04N21/4334 , H04N21/4408 , H04N2005/91364
摘要： First information is divided into equal-size information pieces. Serial numbers are assigned to the information pieces, respectively. An encryption key is generated from a base number and a variable number varying for each of the information pieces. The base number is common to an information range managed by one licence. The first information is encrypted on a block-by-block basis in response to the encryption key to get encryption-resultant information for every predetermined minimum information unit smaller than the sizes of the information pieces. The encryption-resultant information is recorded on a recording medium. A determination is made as to logical addresses of heads of portions of the recording medium which are loaded with portions of the encryption-resultant information corresponding to the respective information pieces. Second information representing a correspondence relation between the determined logical addresses and the assigned serial numbers is recorded on the recording medium.

22. 发明申请

US20050160044A1 Data storing device 有权
标题翻译：数据存储装置
公开(公告)号：US20050160044A1
公开(公告)日：2005-07-21
申请号：US10506505
申请日：2003-03-04
申请人： Yoshihiro Hori , Ryoji Ohno , Takeo Ohishi , Akihiro Tozaki , Kenichiro Tada , Tatsuya Hirai , masafumi Tsuru , Takayuki Hasebe
发明人： Yoshihiro Hori , Ryoji Ohno , Takeo Ohishi , Akihiro Tozaki , Kenichiro Tada , Tatsuya Hirai , masafumi Tsuru , Takayuki Hasebe
IPC分类号： G06F12/14 , G06F3/06 , G06F21/00 , G06F21/24 , G11B20/10 , H04L9/08 , H04L9/32 , G06F17/60 , H04K1/00
CPC分类号： G06F21/80 , G06F21/10 , G06F21/64 , G06F2221/0797
摘要： A controller in a hard disk serving as a data storage device stores a license including a content key for decrypting encrypted content data E and others in a secure data storage portion. The license is managed in the secure data storage portion in accordance with a LBA, and the LBA for storing the license, which is being processed for transmission, is stored as a log in a log memory of the secure data storage portion. When a failure occurs during the transmission processing, the license, which was being processed for transmission, is specified based on the LBA stored in the log memory.
摘要翻译：用作数据存储装置的硬盘中的控制器将包括用于解密加密内容数据E的内容密钥等的许可证存储在安全数据存储部分中。根据LBA在安全数据存储部中管理许可证，并且正在处理用于传输的用于存储许可证的LBA作为日志存储在安全数据存储部分的日志存储器中。在发送处理期间发生故障时，根据存储在日志存储器中的LBA来指定正在处理传输的许可证。

23. 发明授权

US06334024B1 Helical scan data recording apparatus and a helical scan data reproducing apparatus 失效
标题翻译：螺旋扫描数据记录装置和螺旋扫描数据再现装置
公开(公告)号：US06334024B1
公开(公告)日：2001-12-25
申请号：US08754530
申请日：1996-11-21
申请人： Takeo Ohishi , Mitsuo Harumatsu , Seiji Higurashi
发明人： Takeo Ohishi , Mitsuo Harumatsu , Seiji Higurashi
IPC分类号： H04N591
CPC分类号： G11B20/1809 , G11B27/032 , G11B27/3027 , G11B27/3063 , G11B2220/90
摘要： A data recording apparatus is disclosed comprising memory circuits for storing video and sound data, and an error check code generation circuit for generating check codes for the data. The check code data is stored in a data block including the data and the check code data generated in accordance with the data. The apparatus includes an interleaving portion for reading the data and check code data for every stored data block and interleaving a predetermined number of the data blocks to provide an editing unit. The apparatus further includes a recording portion for recording the interleaved data blocks on a magnetic tape through helical scanning of every editing unit. The data may include video data and corresponding sound data. The video data is recorded on the magnetic tape on consecutive (t−p) tracks and the sound data is recorded on the magnetic tape on consecutive p tracks. One of a plurality of interleaving patterns is selected, and data indicative of the interleaving pattern is also recorded at a sub-code area on each track. A data reproducing apparatus including a de-interleaving portion for restoring the interleaved data block is also disclosed.
摘要翻译：公开了一种数据记录装置，包括用于存储视频和声音数据的存储电路，以及用于产生数据的检验码的错误校验码产生电路。校验码数据被存储在包括根据数据生成的数据和校验码数据的数据块中。该装置包括用于读取数据并检查每个存储的数据块的代码数据并交织预定数量的数据块以提供编辑单元的交织部分。该装置还包括记录部分，用于通过每个编辑单元的螺旋扫描将交错的数据块记录在磁带上。数据可以包括视频数据和对应的声音数据。视频数据在连续的（t-p）磁道上记录在磁带上，声音数据在连续的p磁道上记录在磁带上。选择多个交织模式中的一个，并且指示交织模式的数据也被记录在每个轨道上的子代码区域。还公开了一种包括用于恢复交错数据块的解交织部分的数据再现装置。

24. 发明授权

US06288857B1 Digital signal recording apparatus, and related method 有权
公开(公告)号：US06288857B1
公开(公告)日：2001-09-11
申请号：US09761750
申请日：2001-01-18
申请人： Seiji Higurashi , Yoichi Zenno , Takeo Ohishi
发明人： Seiji Higurashi , Yoichi Zenno , Takeo Ohishi
IPC分类号： G11B509
摘要： A digital signal recording apparatus includes an amble generator for generating an amble signal representing a bit-sequence amble pattern. The bit-sequence amble patter can be detected and reproduced by a partial-response detection system “PR(1, 0, −1)” as a detected amble pattern having a period of state inversions which is shorter than a period of state inversions in a detected amble pattern corresponding to a recorded amble pattern of alternation of “1” and “0”. The amble signal generated by the amble generator and a first digital information signal are combined into a second digital information signal on a time sharing basis. The second digital information signal is recorded on a magnetic recording medium. For example, the bit-sequence amble pattern represented by the amble signal has repetition of six bits of “111000”.

25. 发明授权

US6108148A Method, device, and medium for recording digital signal 失效
标题翻译：用于记录数字信号的方法，设备和介质
公开(公告)号：US6108148A
公开(公告)日：2000-08-22
申请号：US913998
申请日：1997-09-29
申请人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
发明人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
IPC分类号： G11B15/087 , G11B15/18 , G11B15/467 , G11B20/10 , G11B20/12 , G11B27/00 , G11B27/30 , G11B27/32 , H04N5/7826 , H04N5/783 , H04N5/92 , H04N9/804 , H04N9/82 , G11B5/02
CPC分类号： G11B15/087 , G11B15/1875 , G11B20/10 , G11B20/10527 , G11B20/1208 , G11B27/005 , G11B27/3027 , G11B27/3063 , G11B27/324 , H04N5/783 , H04N9/8042 , G11B15/4673 , H04N5/78263 , H04N9/8227
摘要： A digital signal recording and reproducing method and apparatus that record and reproduce sequentially a normal reproducing digital signal and a multiple kind special reproducing digital signal on and from a tape-like recording medium. The data rate of the normal reproducing digital signal is detected. According to the detected data rate, either of the normal reproducing digital signal or special reproducing digital signal is selected. The selected digital signal is recorded at the predetermined location on a recording medium for recording the special reproducing digital signal. The sequentially recorded digital signal is reproduced, and each reproduced signal is detected either the normal reproducing digital signal or the multiple kind special reproducing digital signal. The digital signal detected as either of the digital signals is outputted separately. A tape-like recording medium having a track pattern having a plurality of tracks on which a normal reproducing digital signal and a multiple kind special reproducing digital signal are recorded sequentially. The track pattern provides a first area recording information showing the predetermined location at which the multiple kind special reproducing digital signal is to be recorded, and a plurality of second areas that are locations shown by information and record either of said normal reproducing digital signal or special reproducing digital signal is selected and recorded, according to the data rate of the normal reproducing digital signal.
摘要翻译： PCT No.PCT / JP96 / 00792 Sec。 371日期：1997年9月29日 102（e）1997年9月29日PCT PCT 1996年3月27日PCT公布。公开号WO96 / 31053 日期1996年10月3日一种数字信号记录和再现方法和装置，其顺序地在带状记录介质上记录和再现正常再现数字信号和多种专用再现数字信号。检测正常再现数字信号的数据速率。根据检测到的数据速率，选择正常再现数字信号或特殊再现数字信号。所选择的数字信号被记录在用于记录特殊重放数字信号的记录介质上的预定位置处。再现顺序记录的数字信号，并且检测每个再现信号是正常再现数字信号还是多种专用再现数字信号。检测为数字信号中的任一个的数字信号被单独输出。具有轨道图案的带状记录介质具有多个轨道，其上依次记录有正常再现数字信号和多种专用再现数字信号。轨道图案提供表示要记录多种特殊再现数字信号的预定位置的第一区域记录信息，以及作为信息显示的位置的多个第二区域，并记录所述正常再现数字信号或特殊的根据正常再现数字信号的数据速率来选择和记录再现数字信号。

26. 发明授权

US6097876A Magnetic recording and reproducing apparatus for digital signals transmitted at variable data rate 有权
标题翻译：磁记录和重放装置，用于根据输入数字信号的传输速率自动设定记录介质的行进速度
公开(公告)号：US6097876A
公开(公告)日：2000-08-01
申请号：US246099
申请日：1999-02-08
申请人： Takeo Ohishi , Mitsuo Fujita
发明人： Takeo Ohishi , Mitsuo Fujita
IPC分类号： G11B5/008 , G11B15/18 , G11B15/467 , G11B15/52 , H04N5/7826 , H04N9/79 , H04N9/797 , H04N9/804 , H04N5/91
CPC分类号： G11B15/4673 , G11B15/1875 , G11B5/0086 , H04N9/8042 , G11B15/52 , H04N5/78263 , H04N9/7921 , H04N9/7973
摘要： A first rotational head of a first azimuth angle and a second rotational head of a second azimuth angle are arranged on a rotational drum rotated at a constant rotational speed. Also, input digital signals are processed in a signal recording system to form blocks of digital recording signals, a magnetic tape is moved by a tape driving unit according to an information signal generated in a control unit, and the blocks of digital recording signals and the information signal are recorded on the magnetic tape in a recording operation through the first and second heads alternately tracing the magnetic tape. In a reproducing operation, the signals are read through the first and second heads and are reproduced in a signal reproducing system. When the input digital signals are transmitted at a standard data rate, the magnetic tape is rotated at a first traveling speed in the recording and reproducing operations. When the input digital signals are transmitted at a second data rate equal to 1/N (N is a natural number) the standard data rate, the magnetic tape is rotated at a second traveling speed equal to 1/N the first traveling speed in the recording and reproducing operations. Therefore, the input digital signals can be recorded and reproduced regardless of the data rate of the signals.
摘要翻译：第一方位角的第一旋转头和第二方位角的第二旋转头布置在以恒定旋转速度旋转的旋转滚筒上。此外，输入数字信号在信号记录系统中被处理以形成数字记录信号块，磁带根据在控制单元中产生的信息信号由磁带驱动单元移动，数字记录信号块和信息信号通过第一和第二头部交替地跟踪磁带而在记录操作中被记录在磁带上。在再现操作中，通过第一和第二磁头读取信号，并在信号再现系统中再现。当以标准数据速率发送输入数字信号时，磁带在记录和再现操作中以第一行进速度旋转。当以等于1 / N（N是自然数）的标准数据速率的第二数据速率发送输入数字信号时，磁带以等于1 / N的第二行进速度旋转，第一行进速度在录音和再现操作。因此，无论信号的数据速率如何，都可以记录和再现输入数字信号。

27. 发明授权

US5963703A Method and apparatus for recording and reproducing packet data 失效
标题翻译：用于记录和再现分组数据的方法和装置
公开(公告)号：US5963703A
公开(公告)日：1999-10-05
申请号：US820906
申请日：1997-03-19
申请人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
发明人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
IPC分类号： H04N5/783 , G11B20/10 , G11B20/12 , G11B20/18 , G11B27/00 , G11B27/034 , G11B27/30 , H04N5/93 , H04N7/52 , H04N9/804 , H04N9/877 , H04N5/91
CPC分类号： H04N21/4341 , G11B20/12 , G11B27/005 , G11B27/034 , G11B27/3027 , G11B27/3036 , H04N19/23 , H04N21/4325 , H04N21/4334 , H04N9/8042 , G11B20/1201 , G11B20/1833 , G11B2220/20 , H04N21/4307 , H04N21/47217 , H04N9/877
摘要： Audio packets are separated from an input stream of packets including audio packets and video packets. The audio packets relate to audio information. The video packets relate to video information. The video packets are separated from the input stream of packets. The separated audio packets are recorded on first tracks among an array of tracks on a recording medium. The first tracks are spaced by equal intervals corresponding to a given number of tracks. The separated video packets are recorded on second tracks among the array of tracks on the recording medium. The second tracks differ from the first tracks. The first tracks are scanned, and the audio packets are reproduced from the first tracks during high-speed playback. An output stream of packets is generated in response to the reproduced audio packets during the high-speed playback.
摘要翻译：音频分组与包括音频分组和视频分组的分组的输入流分离。音频分组涉及音频信息。视频分组与视频信息有关。视频数据包与数据包的输入流分离。分离的音频分组被记录在记录介质上的磁道阵列之间的第一磁道上。第一轨道间隔相当于给定数量的轨道的等间隔。分离的视频分组被记录在记录介质上的磁道阵列中的第二磁道上。第二条轨道与第一条轨道不同。扫描第一个轨道，并且在高速重放期间从第一轨道再现音频分组。在高速播放期间响应于再现的音频分组产生分组的输出流。

28. 发明授权

US5659577A Apparatus for generating a digital recording signal which avoids the generation of false synchronization bit patterns 失效
标题翻译：用于产生避免产生假同步位模式的数字记录信号的装置
公开(公告)号：US5659577A
公开(公告)日：1997-08-19
申请号：US393906
申请日：1995-02-24
申请人： Takeo Ohishi
发明人： Takeo Ohishi
IPC分类号： H04N5/92 , G11B20/10 , G11B20/12 , G11B20/14 , H04N5/93 , H04B14/04 , H03M7/00
CPC分类号： G11B20/10
摘要： In a digital information modulating apparatus, first information signal is separated every m bit or bits, and n bit or bits are added to the head of every m bit or bits to change every m bit or bits of the first information signal into every m+n bits of a second information signal, where "m" and "n" denote predetermined natural numbers. The second information is pre-coded into plural pre-coded information signals in accordance with combinations of the added n bit or bits. A determination is made as to whether or not predetermined sync information is present in the pre-coded information signals. A sync detection signal is generated which represents the result of the determination. One of the pre-coded information signals is selected as a modulation-resultant output signal in response to the sync detection signal.
摘要翻译：在数字信息调制装置中，第一信息信号每隔m位或位分开，并且将n位或位添加到每m位或位的头部，以将第一信息信号的每m位或位改变为每m + n位的第二信息信号，其中“m”和“n”表示预定的自然数。第二信息根据相加的n位或比特的组合被预先编码成多个预编码信息信号。确定预编码的信息信号中是否存在预定的同步信息。产生表示确定结果的同步检测信号。响应于同步检测信号，预编码信息信号之一被选择为调制结果输出信号。

29. 发明授权

US5537619A Digital data transmission method and apparatus for transmitting digital data at a high efficiency 失效
标题翻译：用于以高效率发送数字数据的数字数据传输方法和装置
公开(公告)号：US5537619A
公开(公告)日：1996-07-16
申请号：US282584
申请日：1994-07-29
申请人： Seiji Higurashi , Takeo Ohishi
发明人： Seiji Higurashi , Takeo Ohishi
IPC分类号： H04N7/52 , H04N7/54 , H04N19/89 , H04B1/66
CPC分类号： H04N21/236 , H04N19/89 , H04N21/434 , H04N7/54
摘要： A method for transmitting pieces of synchronized picture data having the same data length of which each include a synchronizing signal, an identifying code, pieces of compressed picture data having different data lengths and an error correcting code in that order is disclosed. To correctly decode each of the compressed picture data, it is required to start a decoding operation from a head address of each of the compressed picture signal. Therefore, in cases where a head address of a piece of compressed picture data exists in a piece of synchronized picture data, an existence information flag for informing the existence of the head address, an address pointer for indicating an address of the head address, and a block number for indicating a position of the compressed picture data having the head address are added just after the identifying code to correctly decode the compressed picture data and other pieces of following compressed picture data in the synchronized picture data. In contrast, in cases where any head address does not exist, a no-existence information flag for informing the no-existence of the head address is merely added just after the identifying code.
摘要翻译：公开了一种用于发送具有相同数据长度的同步图像数据的方法，每个同步图像数据分别包括同步信号，识别码，具有不同数据长度的压缩图像数据片段和纠错码。为了对每个压缩图像数据进行正确解码，需要从压缩图像信号的每一个的头部地址开始解码操作。因此，在一块同步图像数据中存在一段压缩图像数据的头部地址的情况下，存在用于通知头部地址的存在的存在信息标志，用于指示头部地址的地址的地址指针，以及用于指示具有头部地址的压缩图像数据的位置的块号被添加在识别码之后，以正确解码同步图像数据中的压缩图像数据和其他随后的压缩图像数据。相反，在不存在任何头地址的情况下，仅在识别码之后添加用于通知头部地址不存在的不存在信息标志。

30. 发明授权

US07783895B2 Method and apparatus for encrypting data to be secured and inputting/outputting the same 有权
标题翻译：用于加密要保护的数据并输入/输出数据的方法和装置
公开(公告)号：US07783895B2
公开(公告)日：2010-08-24
申请号：US10809789
申请日：2004-03-26
申请人： Yoshihiro Hori , Yuichi Kanai , Ryoji Ohno , Takeo Ohishi , Kenichiro Tada , Tatsuya Hirai , Masafumi Tsuru , Takayuki Hasebe
发明人： Yoshihiro Hori , Yuichi Kanai , Ryoji Ohno , Takeo Ohishi , Kenichiro Tada , Tatsuya Hirai , Masafumi Tsuru , Takayuki Hasebe
IPC分类号： G06F11/30 , H04K1/00
CPC分类号： G06F21/80
摘要： A controller of a recording device issues a secure command to a storage device, and then waits the time estimated necessary for the storage device to execute the secure command before issuing the next secure command. When a controller of the storage device is executing the previous command, it notifies the recording device of being in process. When the previous command has been completed normally, the controller moves to the next process. Information for estimating the execution time of the command is obtained from the storage device in advance.
摘要翻译：记录装置的控制器向存储装置发出安全命令，然后等待存储装置在发出下一个安全命令之前执行安全命令所需的时间。当存储装置的控制器执行上一个命令时，它通知记录装置正在处理中。当上一个命令正常完成时，控制器移动到下一个进程。预先从存储装置获得用于估计命令的执行时间的信息。

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