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公开(公告)号：US20240087602A1
公开(公告)日：2024-03-14
申请号：US18178935
申请日：2023-03-06
Inventor： Masafumi IWASHIRO
IPC: G11B5/596
CPC classification number: G11B5/596
Abstract: According to one embodiment, first, a frequency to be corrected by an MA additional filter is specified based on a head position error spectrum and a multi-rate sensitivity characteristic, in a state before the MA additional filter is added. Then, a candidate in which a peak of the multi-rate sensitivity characteristic is equal to or less than a threshold value and a head position error is minimized is determined as the MA additional filter to be used, in a state in which each of a plurality of candidates of the MA additional filter is added.
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公开(公告)号：US10002625B1
公开(公告)日：2018-06-19
申请号：US15432131
申请日：2017-02-14
Applicant: Seagate Technology LLC
Inventor： Mehmet Fatih Erden
CPC classification number: G11B5/2654 , G11B5/29 , G11B5/314 , G11B5/4886 , G11B5/5578 , G11B5/596 , G11B2005/0021
Abstract: A recording head has a first magnetic writer and a second magnetic writer offset from the first magnetic writer in a downtrack and crosstrack direction. The recording head has leads configured to deliver respective first and second write and/or laser currents to the first and second writers. The first and second write and/or laser currents enable the first and second writers to simultaneously write to adjacent tracks of a magnetic disk.
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公开(公告)号：US20180137883A1
公开(公告)日：2018-05-17
申请号：US15351669
申请日：2016-11-15
Applicant: SAE Magnetics (H.K.) Ltd. , KABUSHIKI KAISHA TOSHIBA
Inventor： Naoto MATONO , Kazushi NISHIYAMA , Hirofumi NESORI , Takuma KIDO
CPC classification number: G11B5/483 , G11B5/4853 , G11B5/596 , G11B21/106 , H01L41/096 , H01L41/29
Abstract: A thin-film piezoelectric material element includes a piezoelectric part having a laminated structure which a lower electrode film, a piezoelectric material film and an upper electrode film are laminated sequentially, and electrode pads connected with the piezoelectric part. The thin-film piezoelectric material element has solder regulating parts formed on pad surfaces being surfaces of the electrode pads. The solder regulating parts have peripheral edge parts and crossing edge parts connected with the two outer edge parts, and formed to cross the pad surfaces. The crossing edge parts are formed in a bow like curve-shape having curved parts, being gradually distant from the shortest line as they are distant more from the outer edge parts.
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公开(公告)号：US20180061452A1
公开(公告)日：2018-03-01
申请号：US15247382
申请日：2016-08-25
Applicant: Seagate Technology LLC
Inventor： Qiang Bi , GuoQing Zhang , Kian Keong Ooi , MingZhong Ding , WenJun Cao
IPC: G11B20/14
CPC classification number: G11B5/596
Abstract: An apparatus includes a disk locked clock system and a feedforward microactuator compensator. The disk locked clock system is configured to estimate a timing error and generate a timing error signal. The feedforward microactuator compensator is configured to generate a microactuator compensation signal, without use of a vibration sensor signal, in response to the timing error signal.
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5.发明申请公开(公告)号：US20180040343A1
公开(公告)日：2018-02-08
申请号：US15668594
申请日：2017-08-03
Applicant: Magnecomp Corporation
Inventor： Kuen Chee Ee , Long Zhang , David Glaess
IPC: G11B5/48
CPC classification number: G11B5/483 , G11B5/4833 , G11B5/4873 , G11B5/596
Abstract: A dual stage actuated suspension has a first piezoelectric microactuator on the trace gimbal assembly (TGA), and a pseudo feature located laterally opposite the microactuator. The pseudo feature is formed integrally with the TGA from at least one of the base metal layer, the insulative layer, and the conductive layer that make up the TGA. The pseudo feature helps to balance the suspension. The suspension can optionally have a second microactuator located proximal of the first microactuator in order to perform coarser positioning than the first microactuator, such that the suspension is a tri-stage actuated suspension.
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Patent Agency Ranking
公开(公告)号：US09728215B2
公开(公告)日：2017-08-08
申请号：US15088952
申请日：2016-04-01
Applicant: Kabushiki Kaisha Toshiba
Inventor： Masahiro Kanamaru , Kazuto Kashiwagi , Takeyori Hara
CPC classification number: G11B5/59627 , G11B5/012 , G11B5/596 , G11B5/59688 , G11B19/041 , G11B20/10009 , G11B20/10305 , G11B20/10388 , G11B20/1217 , G11B20/1889 , G11B27/36 , G11B2020/10898 , G11B2020/1238 , G11B2020/1292 , G11B2020/1869
Abstract: A magnetic disk apparatus of one of the embodiments stores read position dependency information on read signal quality of a data region at a first track and measures the read signal quality at a predetermined radial position in a second data region of a second track different from the first track. A positioning error of the second data region is determined based on the read position dependency information and the read signal quality at the predetermined radial position. Data is recorded in a recording target data region in a shingled recording so as to prevent data written in the second data region from being overwritten by data in a recording target data region adjacent to the second data region by using the determined positioning error.
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公开(公告)号：US09721600B2
公开(公告)日：2017-08-01
申请号：US15447949
申请日：2017-03-02
Applicant: L2 Drive LLC
Inventor： Karim Kaddeche
CPC classification number: G11B5/596 , G11B5/4806 , G11B5/4826 , G11B5/4886 , G11B5/5521 , G11B5/5569 , G11B5/5578
Abstract: Rotational latency is reduced in a standard conventional form factor HDD system by replacing, for example, the prior art rotary arm actuator of a conventional HDD, with one or more belts and pulleys and one or more read/write heads mounted on, or otherwise associated with the belts. Multiple scaled iterations facilitate energy savings and power optimized systems, without compromise to data access performance.
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公开(公告)号：US20170178673A1
公开(公告)日：2017-06-22
申请号：US15447949
申请日：2017-03-02
Applicant: L2 Drive LLC
Inventor： Karim Kaddeche
CPC classification number: G11B5/596 , G11B5/4806 , G11B5/4826 , G11B5/4886 , G11B5/5521 , G11B5/5569 , G11B5/5578
Abstract: Rotational latency is reduced in a standard conventional form factor HDD system by replacing, for example, the prior art rotary arm actuator of a conventional HDD, with one or more belts and pulleys and one or more read/write heads mounted on, or otherwise associated with the belts. Multiple scaled iterations facilitate energy savings and power optimized systems, without compromise to data access performance.
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公开(公告)号：US09555742B2
公开(公告)日：2017-01-31
申请号：US14175238
申请日：2014-02-07
Applicant: Rosco Inc.
Inventor： Benjamin Englander
CPC classification number: B60R1/0605 , B60R1/06 , B60R1/078 , G02B7/182 , G11B5/4826 , G11B5/5552 , G11B5/56 , G11B5/596 , Y10S359/90
Abstract: A mirror mounting assembly for mounting a mirror on a vehicle bulkhead. The assembly includes a mirror element and a main support arm having a first end and a second end. The mirror element is connected to the first end of the main support arm. The second end of the main support arm is mountable to the vehicle. A pair of brackets are configured to conform to an engine bay side wall of the vehicle. Each bracket has a center portion and two laterally extending flanges that extend at an angle from the center portion in opposite directions. One of the flanges of each bracket is connectable to the bulkhead of the vehicle in the engine bay. A first additional support arm has a first end connected to a first one of the brackets and a second end connected to the main support arm. A second additional support arm has a first end connected to the main support arm and a second end connectable to the vehicle. Finally, a third additional support arm has a first end connected to the main support arm and a second end connectable to the vehicle.
Abstract translation: 用于将反射镜安装在车辆舱壁上的镜子安装组件。 该组件包括镜子元件和具有第一端和第二端的主支撑臂。 镜元件连接到主支撑臂的第一端。 主支撑臂的第二端可安装到车辆上。 一对支架被配置成符合车辆的发动机舱侧壁。 每个支架具有中心部分和两个横向延伸的凸缘，其从相反方向的中心部分以一定角度延伸。 每个支架的一个法兰可连接到发动机舱中车辆的舱壁。 第一附加支撑臂具有连接到第一支架的第一端和连接到主支撑臂的第二端。 第二附加支撑臂具有连接到主支撑臂的第一端和可连接到车辆的第二端。 最后，第三附加的支撑臂具有连接到主支撑臂的第一端和可连接到车辆的第二端。
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公开(公告)号：US20160284371A1
公开(公告)日：2016-09-29
申请号：US15175819
申请日：2016-06-07
Applicant: L2 Drive LLC
Inventor： Karim Kaddeche
IPC: G11B5/596
CPC classification number: G11B5/596 , G11B5/4806 , G11B5/4826 , G11B5/4886 , G11B5/5521 , G11B5/5569 , G11B5/5578
Abstract: Rotational latency is reduced in a standard conventional form factor HDD system by replacing, for example, the prior art rotary arm actuator of a conventional HDD, with one or more belts and pulleys and one or more read/write heads mounted on, or otherwise associated with the belts. Multiple scaled iterations facilitate energy savings and power optimized systems, without compromise to data access performance.
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