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1. 发明申请

US20070242378A1 Magnetic recording and reproducing apparatus and magnetic recording and reproducing method 失效
标题翻译：磁记录和再现装置以及磁记录和再现方法
公开(公告)号：US20070242378A1
公开(公告)日：2007-10-18
申请号：US11732403
申请日：2007-04-03
申请人： Tomohiro Ikegami , Hiroyuki Ino , Toshiyuki Nakagawa , Tomoyuki Hiura , Norihito Mihota , Masaaki Hara , Yoshihiko Deoka , Hidetoshi Honda , Shinichi Fukuda
发明人： Tomohiro Ikegami , Hiroyuki Ino , Toshiyuki Nakagawa , Tomoyuki Hiura , Norihito Mihota , Masaaki Hara , Yoshihiko Deoka , Hidetoshi Honda , Shinichi Fukuda
IPC分类号： G11B20/10
CPC分类号： G11B20/22 , G11B5/0083 , G11B5/584 , G11B20/10009 , G11B2220/90
摘要： A magnetic recording and reproducing apparatus is disclosed which includes: a recording device configured to record with a write head a plurality of tracks constituting a unit of signal processing for data detection, to magnetic recording media; a reproduction device configured to reproduce with a read head a plurality of reproduction signals concurrently from the plurality of tracks on the magnetic recording media in different positional relations to the tracks, the reproduction signals being arranged into that one unit for signal processing thereby generating the track-specific reproduction signals; and a phase alignment device configured to align phases of record signals between adjacent tracks among the plurality of tracks recorded by the recording device to the magnetic recording media.
摘要翻译：公开了一种磁记录和再现装置，其包括：记录装置，被配置为以写入头记录构成用于数据检测的信号处理单元的多个轨道到磁记录介质; 一种再现装置，被配置为以与磁迹不同的位置关系从磁记录介质上的多个磁道同时以读头读出多个再现信号，再现信号被布置成该一个单元用于信号处理，从而生成轨道特定的再现信号; 以及相位对准装置，其被配置为将由记录装置记录的多个轨道中的相邻轨道之间的记录信号的相位对准到磁记录介质。

2. 发明授权

US07813066B2 Magnetic recording and reproduction method, recording apparatus, reproduction apparatus and magnetic recording medium 失效
标题翻译：磁记录和再现方法，记录装置，再现装置和磁记录介质
公开(公告)号：US07813066B2
公开(公告)日：2010-10-12
申请号：US11726233
申请日：2007-03-21
申请人： Toshiyuki Nakagawa , Hiroyuki Ino , Tomoyuki Hiura , Tomohiro Ikegami , Masaaki Hara , Norihito Mihota , Shinichi Fukuda , Yoshihiko Deoka , Hidetoshi Honda
发明人： Toshiyuki Nakagawa , Hiroyuki Ino , Tomoyuki Hiura , Tomohiro Ikegami , Masaaki Hara , Norihito Mihota , Shinichi Fukuda , Yoshihiko Deoka , Hidetoshi Honda
IPC分类号： G11B5/09
CPC分类号： G11B5/584 , G11B5/0083 , G11B5/00865
摘要： A magnetic recording and reproduction method includes the steps of recording a plurality of tracks which make a unit for a signal process for data detection by means of a recording head on a magnetic recording medium, and reproducing signals of the plural tracks by a plural number of times in different positional relationships to the tracks by means of a reproduction head which can reproduce a signal across the plural tracks of the magnetic recording medium, collecting the reproduction signals in the unit and performing a signal process for the unit to produce reproduction signals for the individual tracks.
摘要翻译：磁记录和再现方法包括以下步骤：通过磁记录介质上的记录头将多个磁道记录在数据检测用信号处理单元上，并通过多个通过可以再现磁记录介质的多个轨道上的信号的再现头与轨道的不同位置关系的时间，收集单元中的再现信号，并且执行用于该单元的信号处理以产生用于个别曲目。

3. 发明授权

US07586705B2 Magnetic recording/reproducing apparatus and magnetic recording/reproducing method 失效
标题翻译：磁记录/再现装置和磁记录/再现方法
公开(公告)号：US07586705B2
公开(公告)日：2009-09-08
申请号：US11728305
申请日：2007-03-23
申请人： Tomoyuki Hiura , Hiroyuki Ino , Toshiyuki Nakagawa , Norihito Mihota , Tomohiro Ikegami , Shinichi Fukuda , Yoshihiko Deoka , Hidetoshi Honda , Masaaki Hara
发明人： Tomoyuki Hiura , Hiroyuki Ino , Toshiyuki Nakagawa , Norihito Mihota , Tomohiro Ikegami , Shinichi Fukuda , Yoshihiko Deoka , Hidetoshi Honda , Masaaki Hara
IPC分类号： G11B5/53
CPC分类号： G11B5/588 , G11B20/10009 , G11B20/22 , G11B27/3018 , G11B2220/90
摘要： A magnetic recording/reproducing apparatus is disclosed wherein reproduced signals read out from a plurality of recording tracks using a reproducing head can be separated into original recording signals of the recording tracks. Upon recording, an identification signal which has a recording wavelength equal to or greater than a minimum recording wavelength and causes no interference of any of the recording tracks with any adjacent one of the recording tracks is appended to and recorded together with a recording signal in order to allow, upon reproduction, acquisition of the position information of the reproducing head with respect to the plural recording tracks of the magnetic recording medium. Upon reproduction, a reproduced signal for each of the recording tracks of the magnetic recording medium is generated on the basis of the positional information read from the recording tracks.
摘要翻译：公开了一种磁记录/再现装置，其中使用再现头从多个记录道读出的再现信号可被分离成记录磁道的原始记录信号。在记录时，具有等于或大于最小记录波长的记录波长并且不使任何记录轨道与任何相邻记录轨道的干扰的识别信号被附加到记录信号并与记录信号一起记录允许在再现时获取关于磁记录介质的多个记录磁道的再现磁头的位置信息。在再现时，基于从记录轨道读取的位置信息产生用于磁记录介质的每个记录轨道的再现信号。

4. 发明授权

US07636219B2 Magnetic recording and reproducing apparatus and magnetic recording and reproducing method 失效
标题翻译：磁记录和再现装置以及磁记录和再现方法
公开(公告)号：US07636219B2
公开(公告)日：2009-12-22
申请号：US11732403
申请日：2007-04-03
申请人： Tomohiro Ikegami , Hiroyuki Ino , Toshiyuki Nakagawa , Tomoyuki Hiura , Norihito Mihota , Masaaki Hara , Yoshihiko Deoka , Hidetoshi Honda , Shinichi Fukuda
发明人： Tomohiro Ikegami , Hiroyuki Ino , Toshiyuki Nakagawa , Tomoyuki Hiura , Norihito Mihota , Masaaki Hara , Yoshihiko Deoka , Hidetoshi Honda , Shinichi Fukuda
IPC分类号： G11B15/18
CPC分类号： G11B20/22 , G11B5/0083 , G11B5/584 , G11B20/10009 , G11B2220/90
摘要： A magnetic recording and reproducing apparatus is disclosed which includes: a recording device configured to record with a write head a plurality of tracks constituting a unit of signal processing for data detection, to magnetic recording media; a reproduction device configured to reproduce with a read head a plurality of reproduction signals concurrently from the plurality of tracks on the magnetic recording media in different positional relations to the tracks, the reproduction signals being arranged into that one unit for signal processing thereby generating the track-specific reproduction signals; and a phase alignment device configured to align phases of record signals between adjacent tracks among the plurality of tracks recorded by the recording device to the magnetic recording media.
摘要翻译：公开了一种磁记录和再现装置，其包括：记录装置，被配置为以写入头记录构成用于数据检测的信号处理单元的多个轨道到磁记录介质; 一种再现装置，被配置为以与磁迹不同的位置关系从磁记录介质上的多个磁道同时以读头读出多个再现信号，再现信号被布置成该一个单元用于信号处理，从而生成轨道特定的再现信号; 以及相位对准装置，其被配置为将由记录装置记录的多个轨道中的相邻轨道之间的记录信号的相位对准到磁记录介质。

5. 发明申请

US20070242377A1 Magnetic recording/reproducing apparatus and magnetic recording/reproducing method 失效
标题翻译：磁记录/再现装置和磁记录/再现方法
公开(公告)号：US20070242377A1
公开(公告)日：2007-10-18
申请号：US11728305
申请日：2007-03-23
申请人： Tomoyuki Hiura , Hiroyuki Ino , Toshiyuki Nakagawa , Norihito Mihota , Tomohiro Ikegami , Shinichi Fukuda , Yoshihiko Deoka , Hidetoshi Honda , Masaaki Hara
发明人： Tomoyuki Hiura , Hiroyuki Ino , Toshiyuki Nakagawa , Norihito Mihota , Tomohiro Ikegami , Shinichi Fukuda , Yoshihiko Deoka , Hidetoshi Honda , Masaaki Hara
IPC分类号： G11B20/10
CPC分类号： G11B5/588 , G11B20/10009 , G11B20/22 , G11B27/3018 , G11B2220/90
摘要： A magnetic recording/reproducing apparatus is disclosed wherein reproduced signals read out from a plurality of recording tracks using a reproducing head can be separated into original recording signals of the recording tracks. Upon recording, an identification signal which has a recording wavelength equal to or greater than a minimum recording wavelength and causes no interference of any of the recording tracks with any adjacent one of the recording tracks is appended to and recorded together with a recording signal in order to allow, upon reproduction, acquisition of the position information of the reproducing head with respect to the plural recording tracks of the magnetic recording medium. Upon reproduction, a reproduced signal for each of the recording tracks of the magnetic recording medium is generated on the basis of the positional information read from the recording tracks.
摘要翻译：公开了一种磁记录/再现装置，其中使用再现头从多个记录道读出的再现信号可被分离成记录磁道的原始记录信号。在记录时，具有等于或大于最小记录波长的记录波长并且不使任何记录磁道与任何相邻记录磁道之间的干扰的识别信号被附加到记录信号并与记录信号一起记录允许在再现时获取关于磁记录介质的多个记录磁道的再现磁头的位置信息。在再现时，基于从记录轨道读取的位置信息产生用于磁记录介质的每个记录轨道的再现信号。

6. 发明申请

US20070242376A1 Magnetic recording and reproduction method, recording apparatus, reproduction apparatus and magnetic recording medium 失效
标题翻译：磁记录和再现方法，记录装置，再现装置和磁记录介质
公开(公告)号：US20070242376A1
公开(公告)日：2007-10-18
申请号：US11726233
申请日：2007-03-21
申请人： Toshiyuki Nakagawa , Hiroyuki Ino , Tomoyuki Hiura , Tomohiro Ikegami , Masaaki Hara , Norihito Mihota , Shinichi Fukuda , Yoshihiko Deoka , Hidetoshi Honda
发明人： Toshiyuki Nakagawa , Hiroyuki Ino , Tomoyuki Hiura , Tomohiro Ikegami , Masaaki Hara , Norihito Mihota , Shinichi Fukuda , Yoshihiko Deoka , Hidetoshi Honda
IPC分类号： G11B20/10
CPC分类号： G11B5/584 , G11B5/0083 , G11B5/00865
摘要： A magnetic recording and reproduction method includes the steps of recording a plurality of tracks which make a unit for a signal process for data detection by means of a recording head on a magnetic recording medium, and reproducing signals of the plural tracks by a plural number of times in different positional relationships to the tracks by means of a reproduction head which can reproduce a signal across the plural tracks of the magnetic recording medium, collecting the reproduction signals in the unit and performing a signal process for the unit to produce reproduction signals for the individual tracks.
摘要翻译：磁记录和再现方法包括以下步骤：通过磁记录介质上的记录头将多个磁道记录在数据检测用信号处理单元上，并通过多个通过可以再现磁记录介质的多个轨道上的信号的再现头与轨道的不同位置关系的时间，收集单元中的再现信号，并且执行用于该单元的信号处理以产生用于个别曲目。

7. 发明授权

US08107145B2 Reproducing device and reproducing method 失效
标题翻译：再现装置和再现方法
公开(公告)号：US08107145B2
公开(公告)日：2012-01-31
申请号：US12474103
申请日：2009-05-28
申请人： Masaaki Hara
发明人： Masaaki Hara
IPC分类号： G03H1/26 , G03H1/12 , G11B7/00
CPC分类号： G11B7/0065 , G03H2210/22 , G03H2225/32 , G03H2225/33 , G03H2225/60 , G11B7/00781 , G11B7/128
摘要： A reproducing device for performing reproduction regarding a hologram recording medium where a hologram page is recorded in accordance with signal light, by interference between the signal light where bit data is arrayed with the information of light intensity difference in pixel increments, and reference light, includes: a reference light generating unit to generate reference light irradiated when obtaining a reproduced image; a coherent light generating unit to generate coherent light of which the intensity is greater than the absolute value of the minimum amplitude of the reproduced image, with the same phase as the reference phase within the reproduced image; an image sensor to receive an input image in pixel increments; and an optical system to guide the reference light to the hologram recording medium, and also guide the obtained reproduced image according to the irradiation of the reference light, and the coherent light to the image sensor.
摘要翻译：根据信号光，通过排列位数据的信号光与像素增量的光强差异的信息与参考光之间的干涉，对全息图记录介质进行再现的再现装置包括：：参考光产生单元，用于当获得再现图像时产生照射的参考光; 相干光产生单元，产生强度大于再现图像的最小幅度的绝对值的相干光，其具有与再现图像内的基准相位相同的相位; 用于以像素增量接收输入图像的图像传感器; 以及用于将参考光引导到全息图记录介质的光学系统，并且还将所获得的再现图像根据参考光的照射以及相干光引导到图像传感器。

8. 发明申请

US20090009369A1 Data identification method and apparatus 失效
标题翻译：数据识别方法及装置
公开(公告)号：US20090009369A1
公开(公告)日：2009-01-08
申请号：US12150416
申请日：2008-04-28
申请人： Masaaki Hara , Kenji Tanaka
发明人： Masaaki Hara , Kenji Tanaka
IPC分类号： H03M7/00
CPC分类号： H03M5/145 , G11B7/0065
摘要： Disclosed herein is a data identification method for identifying, from within a readout signal from a recording medium on or in which user data of k bits are recorded using a recording modulation code wherein m bits from among n bits which compose one codeword have a value of “1” while the remaining n-m bits have another value of “0”, the data, n and m being integers including, a first step of delimiting the readout signal in a unit of a codeword and adding, with regard to one of the n-bit codewords obtained by the delimiting, an amplitude of the readout signal of the bits of “1” to 2k different codewords which may possibly be recorded and setting results of the addition as evaluation values, and a second step of finding a maximum value among the 2k evaluation values and outputting the maximum value as an evaluation result.
摘要翻译：这里公开了一种数据识别方法，用于在记录介质上从记录介质读出的信号中识别k比特的用户数据，记录调制码，其中构成一个码字的n比特中的m比特的值为 “1”，而其余的nm位具有另一个值“0”，数据n和m是整数，其包括：以码元为单位限定读出信号的第一步骤，并相对于n 通过定界获得的比特码字，“1”到2的读出信号的幅度 k可能被记录的不同码字，并将添加的结果设置为评估值，以及第二步骤，找到最大值在2 k个评估值，并输出最大值作为评估结果。

9. 发明申请

US20080310281A1 RECORDING AND REPRODUCING APPARATUS, RECORDING AND REPRODUCING METHOD, REPRODUCING APPARATUS, AND REPRODUCING METHOD 失效
标题翻译：记录和再现装置，记录和再现方法，再现装置和再现方法
公开(公告)号：US20080310281A1
公开(公告)日：2008-12-18
申请号：US12107609
申请日：2008-04-22
申请人： Masaaki Hara , Kenji Tanaka , Atsushi Fukumoto , Kenjiro Watanabe
发明人： Masaaki Hara , Kenji Tanaka , Atsushi Fukumoto , Kenjiro Watanabe
IPC分类号： G11B7/00
CPC分类号： G11B7/00772 , G11B7/1369
摘要： A recording and reproducing apparatus includes a spatial-light-intensity modulating unit, a spatial-light-phase modulating unit, an optical system that transmits light and leads the light to a hologram recording medium, a converting unit that converts an input data sequence; an amplitude and phase controlling unit that controls, during recording, the spatial-light-intensity modulating unit and the spatial-light-phase modulating unit to generate a signal light and a reference light, and controls, during reproduction, light intensity of each of pixels in a reference light area and a signal light area and controls a phase of each of the pixels, an image-signal acquiring unit that receives the reproduced image and the DC light and obtains two kinds of image signals, a difference calculating unit that calculates a difference between the two kinds of image signals, and a decoding unit that decodes data formed by a combination of the two kinds of values.
摘要翻译：记录和再现装置包括空间光强度调制单元，空间光相位调制单元，透光并将光引导到全息图记录介质的光学系统，转换单元，其转换输入数据序列; 幅度和相位控制单元，其在记录期间控制空间光强度调制单元和空间光相位调制单元以产生信号光和参考光，并且在再现期间控制每个的光强度参考光区域中的像素和信号光区域，并且控制每个像素的相位;图像信号获取单元，接收再现图像和DC光，并获得两种图像信号;差分计算单元，其计算两种图像信号之间的差异，以及对通过两种值的组合形成的数据进行解码的解码单元。

10. 发明申请

US20080297865A1 REPRODUCING APPARATUS, REPRODUCING METHOD, RECORDING AND REPRODUCING APPARATUS, RECORDING AND REPRODUCING METHOD, RECORDING APPARATUS, AND RECORDING METHOD 失效
标题翻译：再现装置，再现方法，记录和再现装置，记录和再现方法，记录装置和记录方法
公开(公告)号：US20080297865A1
公开(公告)日：2008-12-04
申请号：US11866857
申请日：2007-10-03
申请人： Masaaki Hara , Kenji Tanaka , Kazuyuki Hirooka
发明人： Masaaki Hara , Kenji Tanaka , Kazuyuki Hirooka
IPC分类号： G03H1/20
CPC分类号： G11B27/24 , G11B7/0065 , G11B7/00781 , G11B7/128 , G11B7/1369 , G11B20/10009 , G11B20/10027 , G11B20/1024 , G11B2020/1287 , G11B2220/2504
摘要： A reproducing apparatus, reproducing method, recording and reproducing apparatus, recording and reproducing method, recording apparatus, and recording method are provided. A reproducing apparatus reproduces data from a hologram recording medium in which data inserted with syncs at predetermined intervals is recorded in each predetermined page unit by interference fringes of reference light and signal light includes a reference-light irradiating unit that irradiates the reference light on the hologram recording medium, a signal readout unit that receives diffractive light corresponding to the data recorded on the hologram recording medium, a sync-position detecting unit that detects a position of a detection object sync on the basis of positions of plural syncs selected with the position of the detection object sync as a reference, and an amplitude-value calculating unit that specifies positions of respective recording pixels in the readout signal on the basis of the positions of the respective syncs detected by the sync-position detecting unit and calculates amplitude values of the respective pixels.
摘要翻译：提供再现装置，再现方法，记录和再现装置，记录和再现方法，记录装置和记录方法。再现装置再现来自全息图记录介质的数据，其中以预定间隔插入同步的数据通过参考光的干涉条纹记录在每个预定页单元中，并且信号光包括在全息图上照射参考光的参考光照射单元记录介质，接收与记录在全息图记录介质上的数据相对应的衍射光的信号读出单元，同步位置检测单元，其根据多个同步的位置检测检测对象同步的位置，检测对象同步作为基准，以及振幅值计算单元，其基于由同步位置检测单元检测到的各个同步的位置来指定读出信号中的各个记录像素的位置，并计算出各自的像素。

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