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1. 发明授权

US06317557B1 Digital signal recording method and apparatus and recording medium therefor 失效
标题翻译：数字信号记录方法及其设备及记录介质
公开(公告)号：US06317557B1
公开(公告)日：2001-11-13
申请号：US09458019
申请日：1999-12-10
申请人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
发明人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
IPC分类号： H04N5783
CPC分类号： H04N9/8042 , H04N5/783 , H04N7/52
摘要： Digital signals are recorded in sequential tracks on a tape-form recording medium. In the case where the digital signals are recorded in accordance with a first recording format, at least first digital signals for normal reproduction are recorded in a single area of the first format on each track. In the case where the digital signals are recorded in accordance with at least a second recording format, at least the first digital signals are recorded in a specific area among divided areas of the second format, the divided areas being rewritable independently on each track, the specific area being common for both the first and second formats. And, second digital signals for special reproduction are recorded in previously determined areas among recording areas on each track, the recording areas being common for both the first and second formats.
摘要翻译：数字信号被记录在带状记录介质上的顺序轨道中。在根据第一记录格式记录数字信号的情况下，用于正常再现的至少第一数字信号被记录在每个磁道上的第一格式的单个区域中。在根据至少第二记录格式记录数字信号的情况下，至少第一数字信号被记录在第二格式的分割区域中的特定区域中，分割区域可在每个轨道上独立地重写，特定区域对于第一和第二格式是共同的。并且，用于特殊再现的第二数字信号被记录在每个轨道上的记录区域中的先前确定的区域中，记录区域对于第一和第二格式是共同的。

2. 发明授权

US06198585B1 Digital signal recording apparatus, and related method 有权
标题翻译：数字信号记录装置及相关方法
公开(公告)号：US06198585B1
公开(公告)日：2001-03-06
申请号：US09186282
申请日：1998-11-05
申请人： Seiji Higurashi , Yoichi Zenno , Takeo Ohishi
发明人： Seiji Higurashi , Yoichi Zenno , Takeo Ohishi
IPC分类号： G11B509
CPC分类号： G11B20/10055 , G11B5/0086 , G11B20/10009 , G11B20/1403
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”.
摘要翻译：一种数字信号记录装置，包括一个产生代表比特序列无序模式的信号的信号的交流发生器。可以通过部分响应检测系统“PR（1，0，-1）”来检测和再现比特序列逗号模式，作为具有比状态反转周期短的状态反转周期的检测到的失真码型，对应于记录的交替“1”和“0”的交替模式的检测到的交叉图案。由交流发生器产生的交流信号和第一数字信息信号在时间共享的基础上组合成第二数字信息信号。第二数字信息信号被记录在磁记录介质上。例如，由码元信号表示的比特序列导码模式具有六比特“111000”的重复。

3. 发明授权

US6026213A Digital signal recording method and apparatus and recording medium therefor 失效
标题翻译：数字信号记录方法及其设备及记录介质
公开(公告)号：US6026213A
公开(公告)日：2000-02-15
申请号：US623297
申请日：1996-03-28
申请人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
发明人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
IPC分类号： H04N5/7826 , G11B5/008 , G11B20/12 , H04N5/782 , H04N5/783 , H04N5/92 , H04N7/52 , H04N9/804
CPC分类号： H04N9/8042 , H04N7/52 , H04N5/783
摘要： Digital signals are recorded in sequential tracks on a tape-form recording medium. In the case where the digital signals are recorded in accordance with a first recording format, at least first digital signals for normal reproduction are recorded in a single area of the first format on each track. In the case where the digital signals are recorded in accordance with at least a second recording format, at least the first digital signals are recorded in a specific area among divided areas of the second format, the divided areas being rewritable independently on each track, the specific area being common for both the first and second formats. And, second digital signals for special reproduction are recorded in previously determined areas among recording areas on each track, the recording areas being common for both the first and second formats.
摘要翻译：数字信号被记录在带状记录介质上的顺序轨道中。在根据第一记录格式记录数字信号的情况下，用于正常再现的至少第一数字信号被记录在每个磁道上的第一格式的单个区域中。在根据至少第二记录格式记录数字信号的情况下，至少第一数字信号被记录在第二格式的分割区域中的特定区域中，分割区域可在每个轨道上独立地重写，特定区域对于第一和第二格式是共同的。并且，用于特殊再现的第二数字信号被记录在每个轨道上的记录区域中的先前确定的区域中，记录区域对于第一和第二格式是共同的。

4. 发明授权

US06011665A Helical scan type information recording device 失效
标题翻译：螺旋扫描型信息记录装置
公开(公告)号：US06011665A
公开(公告)日：2000-01-04
申请号：US959414
申请日：1997-10-28
申请人： Takeo Ohishi , Seiji Higurashi
发明人： Takeo Ohishi , Seiji Higurashi
IPC分类号： G11B5/027 , G11B5/008 , G11B5/02 , G11B5/024 , G11B5/09 , G11B5/53 , G11B15/12 , G11B15/14 , H04N9/79
CPC分类号： G11B5/0086 , G11B15/125 , G11B15/14 , G11B5/00869 , G11B5/00891 , G11B5/024 , G11B5/534
摘要： A device for recording an information signal on a magnetic tape by using a helical scan include a rotary drum, a plurality of types of magnetic heads including at least one magnetic head of each of said types provided on the rotary drum for recording a corresponding type of the information signal, and switching units which switch said at least one magnetic head between a recording of the information signal and an erasing of the information signal. During rotation of the rotary drum, one type of said at least one magnetic head erases the information signal prerecorded on the magnetic tape before another type of said at least one magnetic head records a corresponding type of the information signal on the magnetic tape.
摘要翻译：用于通过螺旋扫描将信息信号记录在磁带上的装置包括旋转磁鼓，多个类型的磁头，其包括设置在旋转磁鼓上的每种类型的至少一个磁头，用于记录相应类型所述信息信号以及在所述信息信号的记录和所述信息信号的擦除之间切换所述至少一个磁头的切换单元。在旋转滚筒的旋转期间，一种类型的所述至少一个磁头擦除在磁带上预先记录的信息信号，而另一类型的所述至少一个磁头在磁带上记录相应类型的信息信号。

5. 发明授权

US5991501A Apparatus and method for recording and reproducing digital signals on first and second areas of a storage medium 失效
标题翻译：用于在存储介质的第一和第二区域上记录和再现数字信号的装置和方法
公开(公告)号：US5991501A
公开(公告)日：1999-11-23
申请号：US671335
申请日：1996-06-27
申请人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
发明人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
IPC分类号： G11B20/12 , G11B27/30 , G11B5/09 , H04N5/91 , H04N9/79
CPC分类号： G11B27/3063 , G11B20/1208
摘要： A digital signal is recorded along tracks on a recording medium. Each of the tracks has plural areas. A portion of the digital signal which is recorded on a first area out of the plural areas includes information for reproduction of the digital signal. The information is recorded also on at least one of second areas out of the plural areas. The second areas are greater in size than the first area. The information includes, for example, subcode header information.
摘要翻译：数字信号沿记录介质上的磁道记录。每个轨道具有多个区域。记录在多个区域中的第一区域上的数字信号的一部分包括用于再现数字信号的信息。信息也记录在多个区域中的至少一个第二区域中。第二个区域的大小比第一个区域大。该信息包括例如子码头信息。

6. 发明授权

US5948118A Error detection code forming method and apparatus 失效
标题翻译：错误检测码形成方法和装置
公开(公告)号：US5948118A
公开(公告)日：1999-09-07
申请号：US721963
申请日：1996-09-27
申请人： Seiji Higurashi , Takeo Ohishi
发明人： Seiji Higurashi , Takeo Ohishi
IPC分类号： G06F11/10 , G11B20/18 , H03M13/00 , H03M13/15 , H04L1/00
CPC分类号： H03M13/15
摘要： Identification (ID) error detection codes are formed which are synchronized at least with ID data and digital data of fixed length. The ID data are firstly separated into four-bit units of data. A first data is added to each separated four-bit unit of data. The data to which the first data is added is delayed by a period corresponding to each four-bit data. Further, a second data is added to the delayed data. The data to which the second data is added is delayed by the period corresponding to each four-bit unit of data. The delayed data to which the second data is added is multiplied by a coefficient .alpha..sup.4 related to a Galois Field (2.sup.4) to generate the second data. Further, the delayed data to which the second data is added is multiplied by a coefficient .alpha. related to the Galois Field (2.sup.4) to generate the first data. Four-bit Reed-Solomon codes defined on the Galois Field (2.sup.4) is thus formed. The Reed-Solomon codes become the ID data error detection codes.
摘要翻译：形成识别（ID）错误检测码，其至少与ID数据和固定长度的数字数据至少同步。首先将ID数据分成四位数据单元。第一个数据被添加到每个分离的四位数据单元。添加第一数据的数据被延迟与每个四位数据对应的周期。此外，第二数据被添加到延迟数据。添加第二数据的数据被延迟与每个四位数据单位对应的周期。加上第二数据的延迟数据乘以与伽罗瓦域（24）相关的系数α4，以产生第二数据。此外，将与第二数据相加的延迟数据乘以与伽罗瓦域（24）相关的系数α以产生第一数据。因此形成了在伽罗瓦域（24）上定义的四比特里德 - 所罗门码。 Reed-Solomon码成为ID数据错误检测码。

7. 发明授权

US6011896A Method of recording various different video signals onto magnetic tape 失效
标题翻译：将各种不同的视频信号记录到磁带上的方法
公开(公告)号：US6011896A
公开(公告)日：2000-01-04
申请号：US317825
申请日：1999-05-25
申请人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
发明人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
IPC分类号： H04N5/91 , G11B5/008 , G11B15/12 , G11B15/18 , G11B20/12 , G11B27/032 , G11B27/036 , G11B27/30 , H04N5/782 , H04N5/7826 , H04N5/92 , H04N9/797 , H04N9/80 , H04N9/804 , H04N19/423 , H04N19/48 , H04N19/60 , H04N19/65 , H04N19/70 , H04N5/76 , H04N7/08
CPC分类号： H04N5/78263 , G11B15/125 , G11B15/1875 , G11B27/036 , G11B27/3027 , G11B5/0086 , G11B2220/216 , G11B2220/90 , G11B27/032 , G11B5/00878 , H04N9/7973 , H04N9/804
摘要： A method of recording video data and the accompanied sound data capable of editing the video data and sound data track by track without editing gaps is disclosed. The track format includes a first block of tracks for video data and a second block of tracks for sound data for a predetermined number of frames. Another method of selectively recording one of a plurality of kinds of video data having different amounts of data per frame or field and the accompanied sound data (NTSC and PAL for example) is provided. In this method, the video data and sound data are recorded with a recording and editing unit which is a determined by a common multiple of the selected one of kinds of video data among the amounts of data of the different kinds of video data. In NTSC method the video and sound data are receded every six frames or fields and in the PAL method, the video and sound data are recorded every 5 frames or fields, so that a track pattern having T=24 tracks including P tracks for sound data and T-P tracks for video data are recurrently recorded. The video and sound data are recorded track by track, so that video and sound data can be edited tack by track.
摘要翻译：公开了一种记录视频数据的方法和能够编辑视频数据和声音数据轨道的陪伴声音数据，而不编辑间隙。轨道格式包括用于视频数据的第一磁道块和用于预定数量帧的声音数据的第二磁道块。提供了选择性地记录每帧或场中具有不同数据量的多种视频数据之一和伴随声音数据（例如NTSC和PAL）的另一种方法。在这种方法中，视频数据和声音数据被记录在记录和编辑单元中，该记录和编辑单元是由不同种类的视频数据的数据量之中的所选视频数据中所选择的一种视频数据的公倍数确定的。在NTSC制方法中，视频和声音数据每六帧或场减去，PAL制式中，视频和声音数据每5帧或场记录一次，使得具有T = 24个轨道的轨道图案包括用于声音数据的P轨道并且用于视频数据的TP轨道被重复记录。视频和声音数据按轨道记录，从而可以通过轨道编辑视频和声音数据。

8. 发明授权

US5933568A Method of recording and reproducing digital signals in different signal transmission modes and recording medium therefor 失效
标题翻译：以不同的信号传输模式记录和再现数字信号的方法及其记录介质
公开(公告)号：US5933568A
公开(公告)日：1999-08-03
申请号：US611165
申请日：1996-03-05
申请人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
发明人： Seiji Higurashi , Takeo Ohishi , Mitsuo Harumatsu
IPC分类号： G11B20/12 , H04N5/7826 , H04N5/783 , H04N9/804 , H04N9/82 , H04N5/91 , G11B5/09
CPC分类号： H04N9/8042 , G11B20/12 , H04N5/78266 , H04N5/783 , H04N9/8227
摘要： A method for recording and reproducing digital signals in and from a recording medium is provided. The digital signals are to be recorded in any given k-th mode of N-kind digital signal transmission modes of mutually different packet sizes. Digital signals of p.sub.k packets with additional data are recorded on tracks of the recording medium in unit of d.sub.k data blocks. Data blocks of a multiple of the least common multiple R of the data block recording units of the respective digital signals of the N-kind digital signal transmission modes are recorded in each track. The data blocks recorded in the recording medium are reproduced. Here, N is a two or more natural number, k is 1 to N, and p.sub.k and d.sub.k are a natural number. There is a case where the digital signals are to be recorded in first and second digital signal transmission modes of two different packet sizes. In this case, in the first digital signal transmission mode, the digital signals of one packet in unit of two data blocks with the additional data are recorded. Further, in the second digital signal transmission mode, the digital signals of two packets in unit of three data blocks with the additional data are recorded. And, the data blocks of a multiple of six are recorded in each track on the recording medium.
摘要翻译：提供了一种用于在记录介质中记录和再现数字信号的方法。数字信号将以相互不同的分组大小的N种数字信号传输模式的任何给定的第k种模式进行记录。具有附加数据的pk分组的数字信号以dk数据块为单位记录在记录介质的轨道上。 N个数字信号发送模式的各个数字信号的数据块记录单元的最小公倍数R的倍数的数据块被记录在每个轨道中。记录在记录介质中的数据块被再现。这里，N是两个以上的自然数，k是1〜N，pk和dk是自然数。存在以两种不同分组大小的第一和第二数字信号传输模式记录数字信号的情况。在这种情况下，在第一数字信号发送模式中，以具有附加数据的两个数据块为单位的一个分组的数字信号被记录。此外，在第二数字信号传输模式中，记录具有附加数据的三个数据块单位的两个分组的数字信号。并且，六个倍数的数据块被记录在记录介质上的每个轨道中。

9. 发明授权

US5633635A Method of processing code for error checking and code processing circuit 失效
标题翻译：处理代码错误检查和代码处理电路的方法
公开(公告)号：US5633635A
公开(公告)日：1997-05-27
申请号：US310766
申请日：1994-09-27
申请人： Takeo Ohishi , Seiji Higurashi
发明人： Takeo Ohishi , Seiji Higurashi
IPC分类号： G11B20/18 , H03M13/00 , H03M13/35 , H04L1/00
CPC分类号： H04L1/0066 , G11B20/1833 , H03M13/00 , H03M13/35 , H04L1/0041 , H04L1/0057
摘要： A method of generating codes for error checking from a first and second types of data trains, first type of data trains having m symbols, second type of data trains having n symbols, m and n being natural numbers and m
摘要翻译：一种用于从第一和第二类型的数据列生成用于错误检查的代码的方法，具有m个符号的第一类型的数据串，具有n个符号的第二类型的数据串，m和n是自然数，m

10. 发明授权

US5500679A Method and apparatus for deriving a video signal corresponding to a standard definition signal from a high definition signal 失效
标题翻译：用于从高清晰度信号导出与标准清晰度信号对应的视频信号的方法和装置
公开(公告)号：US5500679A
公开(公告)日：1996-03-19
申请号：US314518
申请日：1994-09-28
申请人： Seiji Higurashi , Yasuhiko Teranishi , Yasuaki Yamada , Takeo Ohishi
发明人： Seiji Higurashi , Yasuhiko Teranishi , Yasuaki Yamada , Takeo Ohishi
IPC分类号： H04N7/015 , H04N7/46 , H04N7/01
CPC分类号： H04N19/59 , H04N19/63 , H04N19/30
摘要： A standard definition (SD) corresponding image is derived from a high definition (HD) image by performing a vertical line sub-sampling for every field with a ratio of an N:1, where N is an odd number greater than 1. One of the simple sub-sampling methods, the pyramidal coding method and the sub-band coding method may be used. For first fields, every third line is derived. For the remaining fields, every third line positioned at the center of the lines derived from the first field is derived by taking positional relation thereof on a reproduced image screen into consideration. As a result, it is possible to obtain an SD corresponding image having an unbroken interlace structure.
摘要翻译：通过对N = 1的比例为N的每个场进行垂直线次采样从高分辨率（HD）图像导出标准清晰度（SD）对应图像，其中N是大于1的奇数。可以使用简单的子采样方法，金字塔编码方法和子带编码方法。对于第一个字段，每三行都派生出来。对于剩余的场，考虑到在再现的图像屏幕上的位置关系，导出位于从第一场导出的线的中心的每三行。结果，可以获得具有不间断隔行扫描结构的SD对应图像。

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