公开(公告)号：US5579294A

公开(公告)日：1996-11-26

申请号：US299544

申请日：1994-09-01

申请人： Masumi Ohta ,  Isamu Nakao ,  Toshiki Udagawa ,  Atsushi Fukumoto ,  Shunji Yoshimura

发明人： Masumi Ohta ,  Isamu Nakao ,  Toshiki Udagawa ,  Atsushi Fukumoto ,  Shunji Yoshimura

IPC分类号： G11B11/105 ,  G11B19/12 ,  G11B7/00

CPC分类号： G11B11/10597 ,  G11B11/10515 ,  G11B11/10586 ,  G11B19/12

摘要： An apparatus for recording and/or reproducing a magneto-optical recording medium having a recording layer, a reproducing layer and an intermediate layer for magnetically coupling the recording layer and the reproducing layer in a stationary state, in which the magnetic coupling between the recording layer and the reproducing layer is only able to take place in an area in which a temperature is increased to be higher than a predetermined temperature by the radiation of a light upon reproducing and in which a recorded information held in the recording layer is read out from the reproducing layer in the radiated area. This magneto-optical recording medium is characterized in that a Curie temperature of the intermediate layer is selected to be 150.degree. C. or more. Also, an apparatus which performs the above-mentioned functions and additionally which is capable of recording and/or reproducing conventional magneto-optical discs which reproduce and/or record over the entire area of irradiation.

摘要翻译： 一种用于记录和/或再现具有记录层，再现层和中间层的磁光记录介质的装置，用于在静止状态下将记录层和再现层磁耦合，其中记录层 并且再现层仅能够通过再现时的光的辐射而在温度升高到高于预定温度的区域中发生，并且其中记录在记录层中的记录信息从 再现层在辐射区域。 该磁光记录介质的特征在于，中间层的居里温度选择为150℃以上。 此外，还执行上述功能的装置，并且另外能够记录和/或再现在整个照射区域上再现和/或记录的常规磁光盘。

公开(公告)号：US5394381A

公开(公告)日：1995-02-28

申请号：US259934

申请日：1994-06-13

申请人： Atsushi Fukumoto ,  Michio Oka

发明人： Atsushi Fukumoto ,  Michio Oka

IPC分类号： G11B11/10 ,  G11B7/005 ,  G11B7/135 ,  G11B11/105 ,  G11B13/04

CPC分类号： G11B7/1365 ,  G11B11/10515 ,  G11B11/10543 ,  G11B11/10576 ,  G11B7/005 ,  G11B7/1356 ,  G11B7/1395

摘要： An optical pickup apparatus of the present invention for reading out information signals recorded on an optical recording medium such as magneto-optical disc is adapted to split by means of a light splitting element a light beam emitted from a light source into two light beam travelling in different directions, which are linearly polarized in normally intersecting directions and to convert the phases of the vibrational components along normally intersecting two axes on a plane normally intersecting the traveling directions of the two light beams and to irradiate the recording medium with two light beams which are differently polarized so that two beam spots are partially superimposed with each other on the recording medium. The superimposed beam spot area which is a read out area is made smaller than one of the beam spots in size so that a high resolution read-out is performed.

摘要翻译： 用于读出记录在诸如磁光盘的光学记录介质上的信息信号的本发明的光学拾取装置适于通过分光元件将从光源发射的光束分成两束光束 不同的方向，它们在正交相交方向上线性偏振，并且通过正交相交的两个轴将振动分量的相位转换成通常与两个光束的行进方向相交的平面，并用两个光束照射记录介质 不同的极化，使得两个光束点在记录介质上彼此部分地叠加。 作为读出区域的叠加光束斑区域的尺寸小于一个光束点，从而执行高分辨率读出。

公开(公告)号：US5353277A

公开(公告)日：1994-10-04

申请号：US958007

申请日：1992-10-08

申请人： Kouichi Yasuda ,  Atsushi Fukumoto ,  Masumi Ono

发明人： Kouichi Yasuda ,  Atsushi Fukumoto ,  Masumi Ono

IPC分类号： G11B7/007 ,  G11B7/24

CPC分类号： G11B7/24 ,  G11B7/00718

摘要： To increase the track density, that is, to improve the recording density of the optical disk of ultra-high resolving power reproduction type, grooves 4 are formed in a transparent substrate 2; phase pits 1 are formed on groove bottom portions 5 and land portions 6 of the grooves; and further a material layer 3 is laminated. A polycarbonate substrate is used as the transparent substrate 2. The material layer 3 is formed of such a material that the state is partially changed due to heat of the reading light in the optical spot of the reading light but returned to the original state after the reading light has passed, and in addition the reflection factor of the material is changeable according to the state change. The material layer 3 is a ternary compound of Ge.sub.2 Sb.sub.2 Te.sub.3. The thermal conductivity of the transparent substrate 2 is smaller than that of the material layer 3. The temperature of the material layer 3 rises in the laser spot according to the light intensity distribution of the laser, so that the reflection factor changes partially to enable data read operation. The heat conduction suppression due to the presence of the stepped portions of the grooves 4 sharpens the temperature gradient, so that the range in which the reflection factor is increased due to the state change of the material layer 3 can be reduced, thus decreasing the track interval distance and thereby increasing the track density.

摘要翻译： 为了增加轨道密度，即，为了提高超高分辨率再现型光盘的记录密度，在透明基板2中形成槽4; 相位凹坑1形成在凹槽底部5和凹槽部分6上; 并且进一步层压材料层3。 使用聚碳酸酯基材作为透明基板2.材料层3由这样的材料形成，即由于读取光的光点中的读取光的热量而使状态部分地变化，但是在第 阅读光已经过去了，而且材料的反射因子根据状态的变化是可以改变的。 材料层3是Ge 2 Sb 2 Te 3的三元化合物。 透明基板2的热导率小于材料层3的导热率。根据激光的光强度分布，材料层3的温度在激光点上升，使得反射系数部分变化，使数据 读操作。 由于凹槽4的阶梯部分的存在导致的热传导抑制使得温度梯度变亮，从而可以减少由于材料层3的状态变化导致的反射系数增加的范围，从而减小轨迹 间隔距离，从而增加轨道密度。

公开(公告)号：US5304440A

公开(公告)日：1994-04-19

申请号：US951844

申请日：1992-09-28

申请人： Masumi Ono ,  Atsushi Fukumoto ,  Kouichi Yasuda

发明人： Masumi Ono ,  Atsushi Fukumoto ,  Kouichi Yasuda

IPC分类号： B41M5/26 ,  G11B7/005 ,  G11B7/24 ,  G11B7/243

CPC分类号： G11B7/0052 ,  G11B7/24 ,  G11B7/00454 ,  Y10S430/146 ,  Y10S430/165

摘要： An optical disk having a greatly improved recording density. The disk has a transparent substrate provided with phase pits. A layer of a phase changeable material is formed on the substrate. This phase changeable material is a chalcogen or chalcogenide such as Sb.sub.2 Se.sub.3 or Sb.sub.2 Te.sub.3. When reading light is directed onto the disk, a part of the layer of the phase changeable material is melted within the spot of the reading light beam, and the reflectivity changes and a phase pit is read through the melted part. After the reading, the melted portion recrystallizes.

摘要翻译： 具有极大改善的记录密度的光盘。 盘具有设置有相位凹坑的透明基板。 在基板上形成有相变材料层。 该相变材料是硫族元素或硫族化物，如Sb2Se3或Sb2Te3。 当读取光被引导到盘上时，相变材料层的一部分在读取光束的光点内熔化，并且反射率改变，并且通过熔化部分读取相位凹坑。 阅读后，熔融部分重结晶。

公开(公告)号：US5168482A

公开(公告)日：1992-12-01

申请号：US574081

申请日：1990-08-29

申请人： Katsuhisa Aratani ,  Atsushi Fukumoto ,  Masumi Ohta

发明人： Katsuhisa Aratani ,  Atsushi Fukumoto ,  Masumi Ohta

IPC分类号： G11B11/105

CPC分类号： G11B11/10517 ,  G11B11/10515 ,  G11B11/10586

摘要： A high density magnetooptical recording and playback method is disclosed. The magnetooptical recording medium comprises a recording hold magnetic layer and a playback magnetic layer magnetically coupled with each other. Prior to the playback operation, the playback magnetic layer is initialized by an external magnetic field. A laser light is irradiated to locally heat the medium and cause transfer of magnetization in the recording hold magnetic layer to the playback magnetic layer. The signal is read out by the interaction of the laser light and the transferred magnetization.

公开(公告)号：US5090004A

公开(公告)日：1992-02-18

申请号：US549826

申请日：1990-07-09

申请人： Kiyoshi Ohsato ,  Atsushi Fukumoto

发明人： Kiyoshi Ohsato ,  Atsushi Fukumoto

IPC分类号： G11B7/09

CPC分类号： G11B7/094

摘要： In an optical recording and/or reproducing apparatus a main light beam and at least two auxiliary light beams are caused to impinge upon a disc for recording information thereon or reproducing information therefrom in a manner so that light beam spots formed on the disc by two auxiliary light beams are respectively equidistant from a light beam spot formed on the disc by the main light beam with a space between the auxiliary light beam spots in a radial direction of the disc corresponding to N/2 times a track pitch on the disc and the aforementioned light beams are then guided from the disc to a photosensor comprising a first photodetecting element divided into two parts for detecting the main light beam and a second photodetecting element divided into two parts for detecting both auxiliary light beams. A tracking error signal is produced based on a difference between detection outputs derived respectively from two parts of the first photodetecting element and a difference between detection outputs derived respectively from two parts of the second photodetecting element, one of which is subjected to level adjustment for compensating a difference in intensity between the main light beam and each of the auxiliary light beams.

公开(公告)号：US08350232B2

公开(公告)日：2013-01-08

申请号：US13017554

申请日：2011-01-31

申请人： Atsushi Fukumoto ,  Mitsuru Toishi

发明人： Atsushi Fukumoto ,  Mitsuru Toishi

IPC分类号： G01N21/64

CPC分类号： G01J3/1256 ,  G01J3/4406 ,  G01N15/1429 ,  G01N15/1434 ,  G01N15/1459 ,  G01N21/51 ,  G01N21/645 ,  G01N2021/4707

摘要： Disclosed herein is a microparticle analysis device including: a light source configured to irradiate a microparticle with light; an acousto-optic modulator configured to diffract fluorescence generated from the microparticle due to the light irradiation; a slit configured to allow transmission of only diffracted light in a diffraction center wavelength region among diffracted light beams from the acousto-optic modulator; and a detector configured to detect the diffracted light in the diffraction center wavelength region transmitted through the slit.

摘要翻译： 本发明公开了一种微粒分析装置，其特征在于，包括：被配置为用光照射微粒的光源; 配置为衍射由于光照射而从微粒产生的荧光的声光调制器; 狭缝，被配置为允许在来自声光调制器的衍射光束中的衍射中心波长区域中仅衍射衍射光; 以及检测器，被配置为检测通过狭缝透射的衍射中心波长区域中的衍射光。

公开(公告)号：US08141619B2

公开(公告)日：2012-03-27

申请号：US12461249

申请日：2009-08-05

申请人： Akihiro Daito ,  Kaoru Okazoe ,  Atsushi Fukumoto ,  Tomoaki Yoshimori ,  Saburou Nagaino

发明人： Akihiro Daito ,  Kaoru Okazoe ,  Atsushi Fukumoto ,  Tomoaki Yoshimori ,  Saburou Nagaino

IPC分类号： B60H1/00

CPC分类号： F28D1/05366 ,  G01N21/8851 ,  G01N21/956 ,  G06T7/0006 ,  G06T2207/30136

摘要： A fin inspection method comprising a step of having an imaging device capture an image of the core and inputting into an image processing device the image data for storage, a step of setting a first region in the image data in which an image of the entire core is captured and setting a second region in which an image of at least a portion of all of the tubes is captured so as to identify position information of the tubes, a step of setting a third region for fin detection between adjacent tubes based on the identified position information of the tubes, a step of performing binarization and noise removal in the third region to obtain an image of the fins and identifying from the image of the fins the edge position information of the fins along a long direction of the tubes, and a step of performing statistical processing of the pitch intervals based on the edge position information of the fins and judging fin defects.

摘要翻译： 一种翅片检查方法，包括以下步骤：使成像装置捕获核心的图像并将图像数据输入到图像处理装置中以存储;步骤，在图像数据中设置整个核心的图像的第一区域 被捕获并且设置第二区域，其中捕获所有管的至少一部分的图像，以便识别管的位置信息;基于所识别的在相邻管之间设置用于翅片检测的第三区域的步骤 管的位置信息，在第三区域中执行二值化和噪声去除的步骤，以获得翅片的图像，并且从翅片的图像沿着管的长度方向识别翅片的边缘位置信息，以及 基于鳍片的边缘位置信息进行间距间隔的统计处理并判断鳍片缺陷的步骤。

公开(公告)号：US08134765B2

公开(公告)日：2012-03-13

申请号：US11683249

申请日：2007-03-07

申请人： Mitsuru Toishi ,  Tomiji Tanaka ,  Atsushi Fukumoto ,  Kenjiro Watanabe

发明人： Mitsuru Toishi ,  Tomiji Tanaka ,  Atsushi Fukumoto ,  Kenjiro Watanabe

IPC分类号： G03H1/22

CPC分类号： G11B7/0065 ,  G03H1/12 ,  G11B7/00781 ,  G11B7/0938 ,  G11B7/126 ,  G11B7/128 ,  G11B7/1378 ,  G11B2007/13727

摘要： A hologram recording and reconstruction apparatus records and reconstructs a hologram in a recording layer of a holographic recording medium using a signal light beam and a reference light beam. The apparatus includes an objective lens, a spatial light modulator on which a reference light beam pattern for generating a reference light beam is displayed, a temperature sensor for detecting the temperature of the holographic recording medium, and a control unit for controlling the spatial light modulator to reduce a reference light beam pattern so that the reference light beam passes through the more inner portion of the objective lens or enlarge the reference light beam pattern so that the reference light beam passes through the more outer portion of the objective lens in accordance with the temperature.

摘要翻译： 全息记录和重建装置使用信号光束和参考光束在全息记录介质的记录层中记录和重构全息图。 该装置包括物镜，空间光调制器，其上显示用于产生参考光束的参考光束图案，用于检测全息记录介质的温度的温度传感器，以及用于控制空间光调制器的控制单元 以减小参考光束图案，使得参考光束通过物镜的更多内部部分或放大参考光束图案，使得参考光束根据物镜透过物镜的更外部部分 温度。

公开(公告)号：US20120001090A1

公开(公告)日：2012-01-05

申请号：US12829070

申请日：2010-07-01

申请人： Koji Takasaki ,  Katsuhiro Seo ,  Mitsuru Toishi ,  Shinji Yamada ,  Atsushi Fukumoto ,  Gary Durack

发明人： Koji Takasaki ,  Katsuhiro Seo ,  Mitsuru Toishi ,  Shinji Yamada ,  Atsushi Fukumoto ,  Gary Durack

IPC分类号： G01J1/58

CPC分类号： G01N15/1434 ,  G01J3/024 ,  G01J3/1256 ,  G01N15/1459 ,  G01N21/53 ,  G01N21/645 ,  G02B6/14 ,  G02B6/32 ,  G02B6/4215

摘要： A minute particle analyzing device includes: a light source; a first condenser lens for condensing light from the light source to a first end of a multimode optical fiber; a second condenser lens for condensing the light emerging from a second end of the multimode optical fiber to a minute particle; and a detector for detecting light generated from the minute particle by the application of the light from the light source.

摘要翻译： 微粒分析装置包括：光源; 用于将来自光源的光聚焦到多模光纤的第一端的第一聚光透镜; 第二聚光透镜，用于将从多模光纤的第二端出射的光聚焦到微小颗粒; 以及检测器，用于通过施加来自光源的光来检测由微粒产生的光。