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公开(公告)号：US20180156872A1
公开(公告)日：2018-06-07
申请号：US15819663
申请日：2017-11-21
申请人： Yasumasa Oguma , Tetsuya Osaka , Shingo Tsuda , Kazuaki Utsumi , Tokihiko Yokoshima , Daikichi Mukoyama
发明人： Yasumasa Oguma , Tetsuya Osaka , Shingo Tsuda , Kazuaki Utsumi , Tokihiko Yokoshima , Daikichi Mukoyama
IPC分类号： G01R31/36
CPC分类号： G01R31/389 , G01R31/3648 , G01R31/392
摘要： A battery state estimating apparatus is provided with: an acquirer configured to obtain a plurality of complex impedances of a battery at a plurality of different temperatures; a calculator configured to calculate a slope of a straight line connecting values of the obtained plurality of complex impedances at a first predetermined frequency on a complex plane having an axis that is a real component of the complex impedance and an axis that is an imaginary component of the complex impedance, as a slope of the complex impedance; a storage configured to store in advance a relation between the slope of the complex impedance and a battery state associated with the battery; and an estimator configured to estimate the battery state on the basis of the calculated slope of the complex impedance and the stored relation.
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公开(公告)号：US10718817B2
公开(公告)日：2020-07-21
申请号：US15819663
申请日：2017-11-21
申请人： Yasumasa Oguma , Tetsuya Osaka , Shingo Tsuda , Kazuaki Utsumi , Tokihiko Yokoshima , Daikichi Mukoyama
发明人： Yasumasa Oguma , Tetsuya Osaka , Shingo Tsuda , Kazuaki Utsumi , Tokihiko Yokoshima , Daikichi Mukoyama
IPC分类号： G01R31/36 , G01R31/389 , G01R31/392
摘要： A battery state estimating apparatus is provided with: an acquirer configured to obtain a plurality of complex impedances of a battery at a plurality of different temperatures; a calculator configured to calculate a slope of a straight line connecting values of the obtained plurality of complex impedances at a first predetermined frequency on a complex plane having an axis that is a real component of the complex impedance and an axis that is an imaginary component of the complex impedance, as a slope of the complex impedance; a storage configured to store in advance a relation between the slope of the complex impedance and a battery state associated with the battery; and an estimator configured to estimate the battery state on the basis of the calculated slope of the complex impedance and the stored relation.
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3.发明授权公开(公告)号：US07450347B2
公开(公告)日：2008-11-11
申请号：US11097817
申请日：2005-03-31
CPC分类号： G11B5/4826 , G11B5/486
摘要： A magnetic disk drive is to be provided wherein a ramp and a magnetic disk do not overlap each other and both rigidity and dynamic characteristics of a suspension are maintained. In one embodiment, a ramp and an actuator lying at a retractive position are spaced away from and do not overlap an outer peripheral end of a magnetic disk. A tab is formed centrally of a front end of a load beam and is bent in U shape. Flanges are formed along both longitudinal edges of the load beam. An aperture is formed in a front portion of the load beam. The aperture permits the tab to be machined in a desired shape. An aperture is formed behind the aperture. The apertures are not formed in an integrally contiguous manner but are separated from each other by a bridge portion.
摘要翻译： 提供一种磁盘驱动器，其中斜面和磁盘彼此不重叠，并且保持悬架的刚度和动态特性。 在一个实施例中，位于回缩位置的斜坡和致动器与磁盘的外周端部间隔开并且不重叠。 凸片形成在负载梁的前端中央并且被弯曲为U形。 法兰沿负载梁的两个纵向边缘形成。 在负载梁的前部形成有孔。 该孔允许翼片被加工成所需的形状。 在孔的后面形成孔。 孔不以整体连续的方式形成，而是通过桥接部彼此分离。
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公开(公告)号：US07428125B2
公开(公告)日：2008-09-23
申请号：US11090350
申请日：2005-03-24
申请人： Takaaki Deguchi , Shingo Tsuda
发明人： Takaaki Deguchi , Shingo Tsuda
CPC分类号： F16C19/56 , F16C2370/12 , G11B5/4813
摘要： Embodiments of the invention position accurately an actuator head suspension assembly (AHSA) relative to a magnetic disk without using any positioning jig, as achieved through a simple structure and involving no increase in manufacturing, and to prevent the AHSA from being charge. In one embodiment, a conductive AHSA includes a pivot opening formed to provide a step at an adjoining portion of two holes having different hole diameters from each other. A pivot bearing assembly includes a first conductive roller bearing and a second conductive roller bearing. The first and the second roller bearings include outer races and inner races with balls interposed between the outer races and the inner races. The first and the second roller bearings are disposed in tandem to achieve the following arrangements. Specifically, the outer race of the second roller bearing fits into a hole having a larger hole diameter in the pivot opening, while the outer race of the first roller bearing fits into hole having a smaller hole diameter in the pivot opening. There is interposed a conductive spacer between the first and the second roller bearings. The spacer abuts on the step in the pivot opening. A conductive pivot shaft is inserted in each of the inner races of the first and the second roller bearings disposed in tandem in the pivot opening.
摘要翻译： 本发明的实施例通过简单的结构实现并且不增加制造，并且防止AHSA充电，从而相对于磁盘精确地定位致动器头悬挂组件（AHSA）而不使用任何定位夹具。 在一个实施例中，导电AHSA包括形成为在彼此具有不同孔直径的两个孔的相邻部分处提供台阶的枢转开口。 枢转轴承组件包括第一导电辊轴承和第二导电辊轴承。 第一和第二滚子轴承包括外圈和内圈，外圈和内圈之间插有滚珠。 第一和第二滚子轴承串联布置以实现以下布置。 具体地说，第二滚子轴承的外圈装配在枢轴孔中具有较大孔直径的孔中，而第一滚子轴承的外圈装配在枢转孔中孔径较小的孔中。 在第一和第二滚子轴承之间插入有导电间隔件。 间隔件邻接在枢轴开口中的台阶上。 导电枢转轴插入在枢转开口中串联布置的第一和第二滚子轴承的每个内圈中。
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公开(公告)号：US20060028759A1
公开(公告)日：2006-02-09
申请号：US11248767
申请日：2005-10-11
申请人： Wayne Imaino , Tatsuo Nakamoto , Shingo Tsuda
发明人： Wayne Imaino , Tatsuo Nakamoto , Shingo Tsuda
IPC分类号： G11B17/00
CPC分类号： G11B5/5526 , G11B5/5521 , G11B21/025 , G11B25/043
摘要： A disk drive system and method for implementing the same. The disk drive system of the present invention includes a discoid medium which rotates about its rotation axis and stores data. An actuator includes a head for reading or writing data from or in the discoid medium as it bidirectionally rotates about its bidirectional-rotation axis. The disk drive system further includes a housing which has a predetermined width and houses the discoid medium and the actuator, wherein the rotation axis of the discoid medium and the bidirectional-rotation axis of the actuator are arranged at the center in the width direction of the housing, and wherein size of the discoid medium is smaller than that of a discoid medium corresponding to a form factor of the housing.
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公开(公告)号：US5547784A
公开(公告)日：1996-08-20
申请号：US348085
申请日：1994-11-25
申请人： Takashi Okawa , Masashi Enokido , Shingo Tsuda , Norikatsu Akutsu
发明人： Takashi Okawa , Masashi Enokido , Shingo Tsuda , Norikatsu Akutsu
CPC分类号： H01M4/242 , H01M4/383 , H01M4/808 , Y10S420/90 , Y10T29/49115
摘要： An alkaline storage battery made using a hydrogen-storing alloy for the negative electrode has suffered from the problems that the negative electrode is oxidized with oxygen gas generated from the positive electrode during overdischarge to cause increase of internal resistance and deterioration of charging and discharging cycle characteristics. Disclosed is a solution to the above problems which incorporates into the hydrogen-storing alloy negative electrode one of yttrium and yttrium compounds or a mixture thereof in such a state that it covers the surface of the hydrogen-storing alloy powder.
摘要翻译： 使用用于负极的储氢合金制成的碱性蓄电池已经出现了在过放电期间由正极产生的氧气氧化负极以引起内阻增加和充放电循环特性恶化的问题 。 公开了在储存合金粉末的表面的状态下，结合到储氢合金负极中的钇和钇化合物之一或其混合物的上述问题的解决方案。
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公开(公告)号：US20060176610A1
公开(公告)日：2006-08-10
申请号：US11327177
申请日：2006-01-06
IPC分类号： G11B33/14
CPC分类号： G11B25/043 , G11B33/1466
摘要： Embodiments of the invention shorten a work time required for peeling off a cover seal during rework. In one embodiment, a magnetic disk drive includes: a base provided with a bonded surface around an opening edge and containing therein a head driving mechanism and a magnetic disk; a top cover to be fitted to the opening edge so as to be fixed to the base; and a cover seal including a liner disposed at an outside surface of the top cover, a sheet-like structure and an adhesive layer formed on the structure, the adhesive layer being laminated in such a manner as to face to the bonded surface and the outside surface of the top cover, at which the liner is disposed, to be thus fixed to the base.
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公开(公告)号：US06999272B2
公开(公告)日：2006-02-14
申请号：US10873737
申请日：2004-06-22
IPC分类号： G11B17/02
CPC分类号： G11B5/5526 , G11B5/5521 , G11B21/025 , G11B25/043
摘要： A disk drive system and method for implementing the same. The disk drive system of the present invention includes a discoid medium which rotates about its rotation axis and stores data. An actuator includes a head for reading or writing data from or in the discoid medium as it bidirectionally rotates about its bidirectional-rotation axis. The disk drive system further includes a housing which has a predetermined width and houses the discoid medium and the actuator, wherein the rotation axis of the discoid medium and the bidirectional-rotation axis of the actuator are arranged at the center in the width direction of the housing, and wherein size of the discoid medium is smaller than that of a discoid medium corresponding to a form factor of the housing.
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公开(公告)号：US20050264942A1
公开(公告)日：2005-12-01
申请号：US11136942
申请日：2005-05-24
申请人： Shingo Tsuda , Takaaki Deguchi
发明人： Shingo Tsuda , Takaaki Deguchi
CPC分类号： G11B5/4846 , G11B5/4813
摘要： Embodiments of the invention establish electric continuity across an actuator head suspension assembly and a pivot bearing assembly without involving an increased manufacturing cost through a simple structure. In one embodiment, a carriage made of a plastic resin is provided with a pivot opening. A pivot bearing assembly is inserted into the pivot opening. The pivot opening includes a step formed by holes having different hole diameters from each other at an adjoining portion thereof. Two actuator arms are secured to the carriage through insert molding to support an HDA. One of the two actuator arms is provided with a hole functioning as a pivot opening and having a smaller hole diameter so as to form the step. The other of the two actuator arms is provided with a hole functioning as a pivot opening and having a larger hole diameter. The hole having the larger hole diameter includes protruded portions that abut against the pivot bearing assembly with no clearance therebetween. The hole also includes recessed portions disposed between each adjoining pair of the protruded portions and having a clearance from the pivot bearing assembly.
摘要翻译： 本发明的实施例通过简单的结构在不涉及增加的制造成本的情况下，跨致动器头悬挂组件和枢转轴承组件建立电连续性。 在一个实施例中，由塑料树脂制成的托架设置有枢转开口。 枢转轴承组件插入枢转开口中。 枢轴开口包括由其相邻部分处的彼此具有不同孔直径的孔形成的台阶。 两个致动器臂通过嵌件成型固定到支架上以支撑HDA。 两个致动器臂中的一个设置有用作枢转开口的孔，并且具有较小的孔直径以形成该台阶。 两个致动器臂中的另一个设置有用作枢转开口并具有较大孔直径的孔。 具有较大孔直径的孔包括与枢转轴承组件抵接而不间隙的突出部分。 孔还包括设置在每个邻接的一对突出部分之间并且具有与枢转轴承组件的间隙的凹部。
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公开(公告)号：US20050264941A1
公开(公告)日：2005-12-01
申请号：US11142065
申请日：2005-05-31
申请人： Shingo Tsuda , Mutsuro Ohta , Kazutaka Okasaka
发明人： Shingo Tsuda , Mutsuro Ohta , Kazutaka Okasaka
CPC分类号： G11B5/54
摘要： Embodiments of the invention permit a magnet-based actuator lock mechanism to operate smoothly in a magnetic disk drive that uses a base made of a magnetic material. In one embodiment, the base to be used is made of a magnetic material. The actuator lock mechanism includes a rotatable arm that retains a magnet. A magnetic attraction force, which is oriented toward the base as indicated by an arrow, is generated in the magnet. The base is provided with a cut to reduce the attraction force. The cut is covered with a sealing material to maintain internal airtightness. The actuator lock mechanism may be, for instance, an eddy-current latch, inertia latch, or magnetic latch.
摘要翻译： 本发明的实施例允许基于磁体的致动器锁定机构在使用由磁性材料制成的基座的磁盘驱动器中平滑地操作。 在一个实施例中，待使用的基座由磁性材料制成。 致动器锁定机构包括保持磁体的可旋转臂。 在磁体中产生朝向基部的箭头所示的磁吸引力。 底座设有切口以减小吸引力。 切口用密封材料覆盖，以保持内部气密性。 致动器锁定机构可以是例如涡流锁存器，惯性锁存器或磁性锁存器。
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