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61. 发明授权

US5303512A Method and apparatus for grinding a cylindrical surface of a workpiece by traverse grinding 失效
标题翻译：用于通过横向研磨研磨工件的圆柱形表面的方法和装置
公开(公告)号：US5303512A
公开(公告)日：1994-04-19
申请号：US902822
申请日：1992-06-23
申请人： Toshio Tsujiuchi , Tomoyasu Imai , Norio Ohta , Yukio Oda , Ryohei Mukai , Hisashi Nakamura , Takayuki Yoshimi
发明人： Toshio Tsujiuchi , Tomoyasu Imai , Norio Ohta , Yukio Oda , Ryohei Mukai , Hisashi Nakamura , Takayuki Yoshimi
IPC分类号： B24B1/00 , B24B5/01 , B24B5/04 , B24B49/03 , B24B49/04 , B24B49/16
CPC分类号： B24B1/00 , B24B49/03 , B24B49/04 , B24B5/01 , B24B5/04
摘要： A method and apparatus for grinding a cylindrical surface of a workpiece by a traverse movement of a grinding wheel having a relatively narrow grinding surface. To improve the cylindricity of cylindrical surface, the traverse grinding is divided into a rough traverse grinding and a finish traverse grinding. In the rough traverse grinding, a traverse girding is carried out with a large depth of cut which would causes a deterioration of the cylindricity at one end of the cylindrical surface. In the finish traverse grinding, a traverse girding is carried out with a small depth of cut to improve the cylindricity. In another embodiment, one of grinding conditions such as the traverse speed of the grinding wheel, the rotational speed of the workpiece and the peripheral speed of the grinding wheel is changed when the grinding wheel approaches an end of the cylindrical surface at which the traverse grinding ends so as to make the grinding force constant, thereby improving the cylindricity of the cylindrical surface. In other embodiments, the position of the wheel head is compensated based upon the measured diameter of the cylindrical surface so that the entire area of the cylindrical surface has a desired diameter. This compensation also improves the cylindricity of the cylindrical surface.
摘要翻译：一种用于通过具有相对窄的研磨表面的砂轮的横移来研磨工件的圆柱形表面的方法和装置。为了提高圆柱面的圆柱度，横向磨削分为粗加工磨削和精加工磨削。在粗加工研磨中，以大的切割深度进行横向加工，这将导致圆柱形表面的一端的圆柱度的劣化。在精加工磨削中，以较小的切削深度进行横向加工以提高圆柱度。在另一个实施例中，当研磨轮接近圆形表面的端部时，磨削条件（诸如砂轮的横动速度），工件的转速和砂轮的圆周速度之一变化，使磨削力保持恒定，从而提高圆筒面的圆筒度。在其他实施例中，基于圆柱形表面的测量直径来补偿轮头的位置，使得圆柱形表面的整个区域具有期望的直径。该补偿也提高了圆柱面的圆柱度。

62. 发明授权

US5273860A Information recording medium 失效
标题翻译：信息记录介质
公开(公告)号：US5273860A
公开(公告)日：1993-12-28
申请号：US615914
申请日：1993-11-20
申请人： Tetsuya Nishida , Shinkichi Horigome , Mari Ichikawa , Norio Ohta , Shuhei Nakamichi , Akira Gotoh
发明人： Tetsuya Nishida , Shinkichi Horigome , Mari Ichikawa , Norio Ohta , Shuhei Nakamichi , Akira Gotoh
IPC分类号： G11B7/013 , G11B7/243 , G11B7/252 , G11B7/257 , G11B7/24
CPC分类号： G11B7/257 , G11B7/24067 , G11B7/243 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/24328 , G11B7/00453 , Y10S430/146
摘要： Disclosed herein is an information recording medium which is composed of a substrate, underlayer, and recording film and is capable of recording information by means of depressions or pits which are formed on the recording film upon irradiation with a recording energy beam, said information recording medium being characterized in that the recording film is provided with a supporting layer on at least one side of the recording film, said supporting layer having a melting point which is lower than that of the recording film, or on that side of the recording film which is adjacent to the substrate, said supporting layer having a melting point which is higher than that of the recording film. Owing to these features, the information recording medium gives recording pits having a smaller rim inner diameter, so that it achieves a high recording power margin for high-density recording.
摘要翻译：本文公开了一种信息记录介质，其由基板，底层和记录膜构成，并且能够通过在记录能量束照射时在记录膜上形成的凹陷或凹坑来记录信息，所述信息记录介质其特征在于，记录膜在记录膜的至少一侧上设置有支撑层，所述支撑层的熔点低于记录膜的熔点，或者记录膜的那一侧为所述支撑层具有比记录膜更高的熔点。由于这些特征，信息记录介质产生具有较小轮辋内径的记录凹坑，因此其实现高记录功率裕度用于高密度记录。

63. 发明授权

US5183026A Method and apparatus for dressing an angular grinding wheel 失效
标题翻译：用于连接角锥磨轮的方法和装置
公开(公告)号：US5183026A
公开(公告)日：1993-02-02
申请号：US852566
申请日：1992-03-17
申请人： Norio Ohta , Yukio Oda , Toshiaki Naya , Tomoyuki Kasuga
发明人： Norio Ohta , Yukio Oda , Toshiaki Naya , Tomoyuki Kasuga
IPC分类号： B24B53/00 , G05B19/416
CPC分类号： B24B53/04 , G05B19/4166
摘要： A grinding machine having an angular type grinding wheel and a dressing apparatus therefor. The grinding wheel is formed with first and second grinding surfaces usable for grinding a cylindrical surface and shoulder end surface of a workpiece, respectively, and first and second reference surfaces parallel to the first and second grinding surfaces, respectively. The positions of the first and second reference surfaces and the first and second grinding surfaces are detected with touch bars before each dressing operation so as to obtain a first distance between the first grinding surface and first reference surface, and a second distance between the second grinding surface and second reference surface. After that, a first dressing amount for dressing the first grinding surface and a second dressing amount for dressing the second grinding surface are so determined that the first distance and the second distance would have a predetermined constant relationship after dressing operation. The first grinding surface is then dressed by the first dressing amount, while the second grinding surface is dressed by the second dressing amount.

64. 发明授权

US5179546A Magneto-optical disk and process for manufacturing the same 失效
标题翻译：磁光盘及其制造方法
公开(公告)号：US5179546A
公开(公告)日：1993-01-12
申请号：US631984
申请日：1990-12-21
申请人： Yumiko Anzai , Yoshinori Miyamura , Toshio Niihara , Harukazu Miyamoto , Norio Ohta
发明人： Yumiko Anzai , Yoshinori Miyamura , Toshio Niihara , Harukazu Miyamoto , Norio Ohta
IPC分类号： G11B11/10 , G11B7/26 , G11B11/105
CPC分类号： G11B11/10584 , G11B11/10582 , G11B7/26
摘要： A magneto-optical disk which has a circular disk form and comprises a substrate provided with information pits and a guide groove, a recording medium layer provided on the substrate, and a protective layer formed of at least one thin film on the medium layer, in which the surface of the protective layer is minutely roughened to have a concave rough pattern and not to substantially protrude beyond a reference level composed of the outermost surface portions of the protective layer. When the magneto-optical disk is subjected to recording by a CSS system using an air floating magnetic head conforming to high-frequency recording in a magnetic field modulation type recording, which is one of methods of overwrite recording on magneto-optical disks, the minute concave rough pattern formed on the surface of the disk substrate prevents such troubles as adhesion of the magnetic head to the surface of the disk and collision between the disk substrate being rotated and the head.
摘要翻译：一种具有圆盘形状并包括设置有信息凹坑的衬底和引导槽的磁光盘，设置在衬底上的记录介质层和由介质层上的至少一层薄膜形成的保护层，其保护层的表面被微小地粗糙化以具有凹形粗糙图案，并且基本上不突出超过由保护层的最外表面部分组成的基准水平。当磁光盘通过使用在磁光调制型记录中的符合高频记录的空气浮动磁头的CSS系统进行记录时，其是在磁光盘上重写记录的方法之一，分钟形成在盘基板表面上的凹形粗糙图案防止了磁头粘附到盘表面和盘基片旋转与头部之间的碰撞等问题。

65. 发明授权

US5076022A Grinding machine for grinding outer and inner surfaces 失效
标题翻译：研磨机和内表面研磨机
公开(公告)号：US5076022A
公开(公告)日：1991-12-31
申请号：US412443
申请日：1989-09-26
申请人： Norio Ohta , Yoshio Wakazono
发明人： Norio Ohta , Yoshio Wakazono
IPC分类号： B24B5/12 , B24B51/00 , G05B19/401 , G05B19/416 , B24B49/00
CPC分类号： G05B19/4166 , B24B51/00 , G05B19/4015 , G05B2219/37405 , G05B2219/45161 , G05B2219/50071
摘要： A grinding machine for grinding outer and/or inner surfaces of a workpiece which is provided on its indexable wheel head with an outer surface grinding wheel, inner surface grinding wheel and a measuring device having a touch probe engagable with a reference surface of the workpiece. A numerical controller having a memory for memorizing data indicating positional and angular relationships between the outer surface grinding wheel, the inner surface grinding wheel and the touch probe is provided. The numerical controller first indexes the measuring device to a location facing the workpiece, and moves the workpiece along its rotational axis until the measuring device outputs a touch signal. After that, the numerical controller calculates a moving amount of the workpiece for an outer grinding operation based upon data memorized in the memory, and moves the table by the calculated amount in order to grind the outer surface of the workpiece. When a inner surface of a workpiece is machined, the inner grinding wheel is indexed to a position facing the workpiece based upon the data indicating angular relationship, after the workpiece is positioned based upon the touch signal from the measuring device. Thereafter, the table is moved based upon data indicating positional relationship between the inner surface grinding wheel and the touch probe in order to locate the inner surface grinding wheel to a predetermined grinding starting position of the inner grinding operation.

66. 发明授权

US5038338A Recording waveform for mark-length modulation optical recording 失效
标题翻译：记录波形用于标记长度调制光学记录
公开(公告)号：US5038338A
公开(公告)日：1991-08-06
申请号：US598811
申请日：1990-10-17
申请人： Motoyasu Terao , Tetsuya Nishida , Hiroshi Yasuoka , Keikichi Andoo , Norio Ohta
发明人： Motoyasu Terao , Tetsuya Nishida , Hiroshi Yasuoka , Keikichi Andoo , Norio Ohta
IPC分类号： G11B9/10 , G11B7/00 , G11B7/004 , G11B7/0045 , G11B7/0055 , G11B7/125 , G11B7/24 , G11B7/30
CPC分类号： G11B7/00557 , G11B7/24
摘要： A method of recording information by changing a recording medium through irradiation with an energy beam such as a light beam, electron beam or the like. A single pulse or a plurality of pulses are employed for forming recorded dots. The pulse has a pulse width shorter than a time required for the center of energy beam spot to move from one to other end of the dot upon recording thereof. By virtue of the possibility of reversible change even in a recording film susceptible to high rate speed of change, the rate of information transfer can be increased. Overwrite recording can also be accomplished with the single laser beam. An increased amount of information can be handled in the recording and reproduction.
摘要翻译：通过用诸如光束，电子束等能量束的照射改变记录介质来记录信息的方法。单脉冲或多脉冲用于形成记录点。脉冲的脉冲宽度短于在记录时能量束点的中心从点到另一端移动所需的时间。由于即使在容易受高速率变化的记录膜影响的情况下也可能发生可逆变化，所以可以提高信息传送速度。也可以用单个激光束实现覆盖记录。在记录和再现中可以处理增加的信息量。

67. 发明授权

US4902951A Numerically controlled machine tool 失效
标题翻译：数控机床
公开(公告)号：US4902951A
公开(公告)日：1990-02-20
申请号：US236549
申请日：1988-08-25
申请人： Norio Ohta , Yoshinobu Yotsui , Kouichi Isomura , Masatomo Yoshimura
发明人： Norio Ohta , Yoshinobu Yotsui , Kouichi Isomura , Masatomo Yoshimura
IPC分类号： B23Q15/00 , B23Q15/013 , B24B19/12 , G05B19/18 , G05B19/404 , G05B19/4103
CPC分类号： G05B19/184
摘要： A numerically controlled machine tool for machining a non-circular workpiece according to profile data. The numerical controller stores phase compensation values and position compensation data files in connection with the types of cam and the various rotational speeds of the main spindle. Each position compensation data file consists of a series of position compensation values for a successive rotational positions of the main spindle. The numerical controller searches a phase compensation value and a position compensation data file according to the type of cam to be ground and the rotational speed of the main spindle during the grinding operation. Thereafter, the numerical controller offsets the read-out position of the profile data by the amount corresponding to the searched phase compensation value, and compensates each profile data with position compensation data stored in the searched file so as to eliminate a machining error which changes depending upon the rotational speed of the main spindle.

68. 发明授权

US4873793A Numerically controlled machine tool 失效
标题翻译：数控机床
公开(公告)号：US4873793A
公开(公告)日：1989-10-17
申请号：US92689
申请日：1987-09-03
申请人： Hiroaki Asano , Toshio Tsujiuchi , Takao Yoneda , Nobuhiro Ishihara , Toshio Maruyama , Norio Ohta
发明人： Hiroaki Asano , Toshio Tsujiuchi , Takao Yoneda , Nobuhiro Ishihara , Toshio Maruyama , Norio Ohta
IPC分类号： G05B19/18 , G05B19/23
CPC分类号： G05B19/232 , G05B19/184 , G05B2219/41177 , G05B2219/41186 , G05B2219/50057 , G05B2219/50211
摘要： A numerically controlled machine tool for machining a non-circular workpiece according to profile data. The servomotor drive unit of the machine tool includes a frequency voltage converter which outputs a velocity compensation signal proportional to the frequency of position command pulses in the servomotor drive units. A position error signal is modulated by the velocity compensation signal. The numerical controller of the machine tool can measure the position error and phase error, and can compensate for these errors. The numerical controller operates according to ideal profile data and measures the actual position change of a tool slide corresponding to the angle position change of a main spindle. Then, the numerical controller calculates the position error and phase error depending on the actual position change and ideal profile data, and produces execution profile data which are compensated for position error. During machining operation, the numerical controller offsets the rear out position of the execution profile data by the calculated phase error so as to eliminate the phase error.

69. 发明授权

US4817053A Apparatus for storing and retrieving information using an electron beam 失效
标题翻译：用于使用电子束存储和检索信息的装置
公开(公告)号：US4817053A
公开(公告)日：1989-03-28
申请号：US71309
申请日：1987-07-09
申请人： Tadashi Ikeda , Kazuo Shigematsu , Yasushi Miyauchi , Motoyasu Terao , Tetsuya Nishida , Shinkichi Horigome , Norio Ohta , Ryo Suzuki
发明人： Tadashi Ikeda , Kazuo Shigematsu , Yasushi Miyauchi , Motoyasu Terao , Tetsuya Nishida , Shinkichi Horigome , Norio Ohta , Ryo Suzuki
IPC分类号： G11B9/10 , G11B9/12 , G11C13/00
CPC分类号： G11B9/10
摘要： An electron beam memory system in which a phase transition type recording film is used as an information recording medium, and for recording information, a focused electron beam is selectively projected on desired positions of the recording film so as to locally heat the recording film and cause phase transition, while for retrieving information, an electron beam having energy at a degree not causing the phase transition is projected so as to utilize the fact that reflection or diffraction of the primary electron beam projected at the retrieval differs between the recorded regions and unrecorded regions.
摘要翻译：一种电子束存储系统，其中使用相变型记录膜作为信息记录介质，并且为了记录信息，聚焦的电子束被选择性地投影到记录膜的期望位置上，以便局部地加热记录膜并导致相位转移，而为了检索信息，投射具有不引起相变的程度的能量的电子束，以便利用在记录区域和未记录区域之间投影的一次电子束的反射或衍射不同的事实。

70. 发明授权

US4707755A Optical read-out magnetic head 失效
标题翻译：光读出磁头
公开(公告)号：US4707755A
公开(公告)日：1987-11-17
申请号：US832884
申请日：1986-02-26
申请人： Norio Ohta , Shigenori Okamine , Yutaka Sugita , Yosuke Seo , Takashi Tamura
发明人： Norio Ohta , Shigenori Okamine , Yutaka Sugita , Yosuke Seo , Takashi Tamura
IPC分类号： G11B5/127 , G11B11/105 , G11B11/10
CPC分类号： G11B5/1278 , G11B11/10534 , G11B11/10547
摘要： An optical read-out magnetic head of a single pole type having a main pole, an auxiliary pole, and a writing coil. The main pole consists of a high permeability film and a magneto-optical film, the magneto-optical film has an easy magnetization axis parallel to or in the extension direction of that film surface high permeability film. Writing is carried out magnetically by employing the coil, and reproduction is effected optically by employing the magneto-optic film.
摘要翻译：具有主极，辅助极和写入线圈的单极型光读出磁头。主极由高磁导率膜和磁光膜组成，磁光膜具有与该膜表面高磁导率膜平行或延伸方向的易磁化轴。通过使用线圈进行磁性写入，并且通过采用磁光膜进行光学再现。

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