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Disk Drive patents



      
           
This page is updated frequently with new Disk Drive-related patent applications. Subscribe to the Disk Drive RSS feed to automatically get the update: related Disk RSS feeds. RSS updates for this page: Disk Drive RSS RSS


Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and ink-jet printer device

Tdk

Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and ink-jet printer device

Dai Nippon Printing

Suspension substrate, suspension, head suspension, hard disk drive, and method for manufacturing suspension substrate

Date/App# patent app List of recent Disk Drive-related patents
04/23/15
20150109726
 Hard disk drive mounting device and electronic device using the same patent thumbnailnew patent Hard disk drive mounting device and electronic device using the same
A hard disk drive mounting device for supporting hard disk drive includes a hard disk drive mounting device and two elastic arms located at lateral sides of the hard disk drive. A hard disk drive mounting device includes a bottom plate and two side plates extending upward from the bottom plate respectively.
Hon Hai Precision Industry Co., Ltd.
04/23/15
20150109704
 Suspension substrate, suspension, head suspension, hard disk drive, and  manufacturing suspension substrate patent thumbnailnew patent Suspension substrate, suspension, head suspension, hard disk drive, and manufacturing suspension substrate
A suspension substrate of the present invention includes an insulating layer, a spring material layer, and a plurality of wirings, wherein one wiring of the plurality of wirings includes a head-side wiring part and a plurality of division wiring parts, respectively bifurcated from the head-side wiring part. The spring material layer includes a spring-material-layer main body, a first spring-material-layer separated body and a second spring-material-layer separated body.
Dai Nippon Printing Co., Ltd.
04/23/15
20150109700
 Shingled magnetic recording system with adaptive write buffer area patent thumbnailnew patent Shingled magnetic recording system with adaptive write buffer area
Techniques for writing data to a buffer region of a magnetic disk are described. In one example, a hard disk drive comprises a magnetic disk comprising a data buffer region including a first zone and a second zone.
Hgst Netherlands B.v.
04/23/15
20150109372
 Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and ink-jet printer device patent thumbnailnew patent Piezoelectric element, piezoelectric actuator, piezoelectric sensor, hard disk drive, and ink-jet printer device
The displacement as an actuator or the sensitivity as a sensor of a piezoelectric element can be increased and, in addition, the electric power consumption can be reduced by providing a thin film of potassium-sodium niobate, which is a perovskite type compound represented by a general formula abo3, as a piezoelectric layer, wherein a crystal orientation of a crystal structure of potassium-sodium niobate has in-plane fourfold symmetry as a whole piezoelectric layer, where a first axis of rotational symmetry is a thickness direction of the piezoelectric layer.. .
Tdk Corporation
04/23/15
20150108861
 Motor and disk drive apparatus patent thumbnailnew patent Motor and disk drive apparatus
A motor includes a stationary unit and a rotary unit. The stationary unit includes a stator, a base portion having at least one hole extending in the up-down direction, and a flexible wiring substrate.
Nidec Corporation
04/16/15
20150106564
 Storage  reducing energy consumption patent thumbnailStorage reducing energy consumption
A system and method that include configuring local disk drives of a local storage system so that at any given point of time, a first part of the local disk drives operate in a low power state and a second part of the local disk drives operate in an active state; and in response to a read request of a data portion on a local disk drive of the local disk drives: determining whether the local disk drive currently operates in the low power state; reading the data portion from the local disk drive, if the local disk drive does not currently operate in the low power state; if the local disk drive currently operates in the low power state, enquiring if a remote mirror disk drive that stores a copy of the data portion currently operates in the low power state; wherein the remote mirror disk drive is comprised in a remote storage system that is coupled to the local storage system; and if the remote mirror disk drive does not currently operate in the low power state, requesting from the remote storage system to read the copy of the data portion from the remote minor disk drive.. .
Infinidat Ltd.
04/16/15
20150103482
 Hard disk drive mounting device and information processing apparatus patent thumbnailHard disk drive mounting device and information processing apparatus
A hard disk drive mounting device includes: a housing; a mounting area provided in the housing and configured to mount a plurality of hard disk drives; a first hard disk drive provided with a guide pin protruding on both side surfaces thereof; and a mechanism configured to attach the first hard disk drive to the mounting area, and configured to detach the first hard disk drive from the mounting area, the mechanism including: a fixed rail including a guiding groove configured to receive the guide pin, and a moving rail positioned adjacent to the fixed rail and configured to move the guide pin inserted into the guiding groove by a driving groove, wherein, when the moving rail moves to one end of the fixed rail in a state where the guide pin is inserted into the guiding groove, the first hard disk drive is mounted in a mounting part.. .
Fujitsu Limited
04/16/15
20150103433
 Hard disk drive having multiple disk stacks on a rotatable platform patent thumbnailHard disk drive having multiple disk stacks on a rotatable platform
A lower cost per unit of storage hard disk drive (hdd) includes multiple disk stacks fixed to a carousel, and at least one head stack assembly (hsa) for accessing portions of the magnetic-recording disk(s) of each of the multiple disk stacks after the carousel rotates to move a disk stack in a fixed position relative to the hsa.. .
Hgst Netherlands B.v.
04/16/15
20150102713
 Casing for receiving hard disk drive patent thumbnailCasing for receiving hard disk drive
A casing for receiving a hard disk drive includes a top wall, a bottom wall, two sidewalls, and an end wall. A number of metal bars protrude from an inner surface of the top wall..
Hon Hai Precision Industry Co., Ltd.
04/09/15
20150100855
 Normalization factor adaptation for ldpc decoding for hard disk drive systems patent thumbnailNormalization factor adaptation for ldpc decoding for hard disk drive systems
An adaptation technique for decoding low-density parity-check (ldpc) codes for hard disk drive (hdds) systems is disclosed. The method includes tuning the normalization factor for ldpc decoding for each data zone and read head during the test stage of manufacturing.
Agency For Science, Technology And Research
04/09/15
20150100810

Adaptive power-down of disk drives based on predicted idle time


Systems and methods presented herein provide a storage system that adaptively powers-down one or more disk drives based on the predicted idle time of each disk drive. One embodiment includes a storage controller that includes a processor operable to track idle durations of the disk drive.
Lsi Corporation
04/09/15
20150100727

Migration of encoded data slices in a dispersed storage network


A method includes a processing module of a storage unit of a dispersed storage network (dsn) monitoring input/output (io) rates of a plurality of disk drives, where access requests for encoded data slices occur at varying rates. The method continues with the processing module determining that the io rate of a disk drive is exceeding a desired maximum io rate and identifying a pending access request for an encoded data slice stored in the disk drive.
Cleversafe, Inc.
04/09/15
20150098178

Hard disk drive with feedthrough connector


Described herein is an apparatus that includes a housing that defines an interior cavity. The housing also includes a feedthrough aperture.
Hgst Netherlands B.v.
04/09/15
20150098154

Thin-film magnetic head, manufacturing the same, head gimbal assembly, and hard disk drive


A thin-film magnetic head is constructed such that a main magnetic pole layer, a write shield layer, a gap layer, and a thin-film coil are laminated on a substrate. The thin-film magnetic head has a leading shield part opposing the main magnetic pole layer on the substrate side of the main magnetic pole layer, a substrate side shield part has contact with the leading shield part.
Headway Technologies, Inc.
04/09/15
20150098153

Giant magneto resistive sensor and making same


A disk drive includes a disk including a magnetizable layer of material, and a transducer. The transducer has a read element that includes a first shield layer, a pinned layer, a metallic spacer, an ap (anti-parallel) free layer, and a second shield layer.
Hgst Netherlands B.v.
04/02/15
20150095924

Stopper and disk drive


The disk drive includes: a box-shaped exterior casing having an opening on one side face; a tray stored in the exterior casing and having a mounting face; a pickup; and a rail being a recessed portion formed on the mounting face as a path along which the pickup moves. The stopper is formed of a sheet member having a self-restoring property which allows the sheet member to return to a flat plate shape, and includes: a restricting portion; a connecting portion; and a tab portion, which are formed by folding the sheet member.
Panasonic Corporation
04/02/15
20150095597

High performance intelligent virtual desktop infrastructure using volatile memory arrays


Certain aspects of the disclosure relate to a system and method for performing intelligent virtual desktop infrastructure (ivdi) using volatile memory arrays. The system has a hypervisor server and a storage server in communication via a file sharing protocol.
American Megatrends, Inc.
04/02/15
20150095569

Continuous recording multichannel disk-based data logging


Continuous recording multichannel disk-based data logging apparatus. The apparatus includes a plurality of disk drives and an interface including a plurality of parallel inputs.
Hewlett-packard Development Company, L.p.
04/02/15
20150094146

Information processing apparatus and information processing system


An application execution unit executes a game program. A play item acquisition processing unit generates item acquisition information by using an item id associated with a met play requirement of a game, and a hard disk drive stores the generated item acquisition information.
Sony Computer Entertainment Inc.
04/02/15
20150092340

Server


A server includes a chassis, a main tray and a hard disk drive (hdd). The main tray is slidably connected to the chassis and is capable of pulling out of the chassis or pushing into the chassis along a first direction.
Quanta Computer Inc.
04/02/15
20150092338

Hard disk drive module


A hard disk drive (hdd) module includes two cartridges for receiving two hdds. Each cartridge includes a bottom tray and a top cover adjustably connected to the bottom tray.
Hon Hai Precision Industry Co., Ltd.
04/02/15
20150092299

Spindle motor and hard disk drive including the same


There are provided a spindle motor including a lower thrust member fixed to a base member; and a shaft fixed to the lower thrust member, wherein the lower thrust member includes a fitting protrusion protruding upwardly in the axial direction and fitted into a fixing groove formed in a lower end of the shaft so as to be depressed upwardly in the axial direction, a thrust bearing surface forming a thrust bearing between the thrust bearing surface and a lower surface of the sleeve, and an extension part protruding from an outer edge of the lower thrust member in a radial direction upwardly in the axial direction to form a liquid-vapor interface between the extension part and an outer surface of the sleeve while enclosing the sleeve, and the thrust bearing surface has inner and outer concave parts depressed in one of inner and outer diameter directions thereof, respectively.. .
Samsung Electro-mechanics Co., Ltd.
04/02/15
20150092289

Generating position error signal based on data tracks for magnetic data storage


A hard disk drive circuit includes first and second inter-track interference detection modules. The first inter-track interference detection module is configured to generate a first measured inter-track interference value based on a first read signal from a first read sensor positioned over a magnetic medium.
Marvell World Trade Ltd.
04/02/15
20150091475

Efficient energy recovery in disk drive during power loss


A back electromotive force of a rotating motor is converted into a voltage for a load by driving, in accordance with a duty cycle, at least one switching circuit that couples the back electromotive force to a load through a rectifying circuit. An error signal is generated that is a difference between the load voltage and a reference voltage.
Seagate Technology Llc
03/26/15
20150089672

Computer apparatus and control optical disk drive thereof


A computer apparatus and a control method for the odd are disclosed. The control method includes: providing a user setting interface by the computer apparatus when the computer apparatus is in a user mode; receiving a user instruction through the user setting interface so as to start or close an odd safety protection mode; and deciding whether or not a position state of a tray of the odd can be changed according to that whether or not the odd safety protection mode is started and whether or not the computer apparatus is in the user mode..
Wistron Corporation
03/26/15
20150089328

Flex erasure coding of controllers of primary hard disk drives controller


System and method embodiments are provided for managing storage systems. In an embodiment, a storage system includes an over-provisioned redundant array of independent disks (raid); and a flexible erasure coding controller coupled to the raid, the controller comprising a flexible exclusive-or engine configured to provide erasure coding for the over-provisioned raid using m-parity convolution codes..
Futurewei Technologies, Inc.
03/26/15
20150089132

Dynamic storage volume configuration based on input/output requests


A storage system includes a plurality hard disk drives and a plurality of solid-state drives and a storage controller operable to manage the hard disk drives and solid-state drives as a plurality of logical volumes, and categorize input/output requests to the logical volumes into types based on sizes of the input/output requests (e.g., smaller and larger). The storage controller is also operable to reconfigure the logical volumes from the hard disk drives and the solid-state drives based on the types of the input/output requests to the logical volumes.
Lsi Corporation
03/26/15
20150089130

Dynamically allocating temporary replacement storage for a drive in a raid array


One embodiment provides a system, including: one or more processors; a network interface for communication with a remote bank of available storage; a redundant array of independent disks (raid) operatively coupled to the one or more processors; and a memory operatively coupled to the one or more processors and storing instructions executable by the one or more processors to: ascertain at least one unavailable hard disk drive (hdd) of the raid; determine an available remote storage target; dynamically update a storage destination for data to be stored from the at least one unavailable hdd of the raid to the available remote storage target; and send the data over the network interface to the available remote storage target. Other embodiments are described and claimed..
Lenovo (singapore) Pte. Ltd.
03/26/15
20150089102

Solid state drives that cache boot data


Methods and structure for utilizing a solid state drive (ssd) to enhance boot time for a computer. The computer includes an ssd that stores a boot cache for an operating system of a computer, a hard disk drive that stores the operating system, and a processor.
Lsi Corporation
03/26/15
20150085629

Thermally assisted magnetic head, manufacturing the same, head gimbal assembly, and hard disk drive


A thermally assisted magnetic head includes a main magnetic pole layer, a near-field light generating layer having a generating end part generating near-field light arranged within a medium-opposing surface, and an optical waveguide guiding light to the near-field light generating layer. The near-field light generating layer has a laminated structure in which a first thin-film metal layer formed in a thin film form along a direction intersecting the medium-opposing surface and a second thin-film metal layer formed in a thin film form and formed using a second metal larger in hardness than a first metal forming the first thin-film metal layer are alternately laminated.
Headway Technologies, Inc.
03/26/15
20150085398

Spindle motor and disk drive apparatus


A spindle motor includes a stationary portion with a shaft, a circular plate portion, a wall portion, and a plate portion. The plate portion has a flat plate portion and an annular convex portion.
Nidec Corporation
03/26/15
20150085397

Spindle motor and disk drive apparatus


A spindle motor includes a stationary portion and a rotating portion. The stationary portion includes a shaft and the rotating portion includes a sleeve portion, a hub, a magnet, and a cap.
Nidec Corporation
03/19/15
20150079424

Substrate for suspension, process for producing the same, suspension for magnetic head, and hard disk drive


A substrate for suspension comprises a metallic substrate, an insulating layer formed on the metallic substrate, a conductor layer formed on the insulating layer, and a cover layer covering the conductor layer. The insulating layer and the cover layer are formed from different materials, whose coefficients of hygroscopic expansion are in the range between 3×10−6/% rh and 30×10−6/% rh.
Dai Nippon Printing Co., Ltd.
03/19/15
20150077921

Grounding member and mounting hard disk drive


A mounting apparatus is used to mount a hard disk drive to a storage rack. The mounting apparatus includes a supporting frame and two grounding members.
Ennoconn Corporation
03/19/15
20150077879

Disk drive with preamplifier for multiple readers in a slider with a common return signal


disk drive embodiments with common lead connections in the slider, suspension, and preamplifier are described. The arm electronics ic includes a preamplifier with single-ended input from the set of signal traces that include a common signal return lead for the plurality of read transducers (readers) in the slider.
Hgst Netherlands B.v.
03/19/15
20150077876

Disk drive with different data sector integrated preambles in adjacent data tracks


A hard disk drive has disks with data sector preambles that allow for inter-track interference. The same data sector preamble is used for all data sectors in a track but the preamble in each track is different from the preamble in radially adjacent tracks.
Hgst Netherlands B.v.
03/19/15
20150077875

Disk drive with different synchronization fields and synchronization marks in the data sector preambles in adjacent data tracks


A hard disk drive has disks with data sector preambles that allow for inter-track interference. The same data sector preamble is used for all data sectors in a track but the preamble in each track is different from the preamble in radially adjacent tracks.
Hgst Netherlands B.v.
03/12/15
20150074450

Hard disk drive (hdd) early failure detection in storage systems based on statistical analysis


In one embodiment, a system includes a processor and logic integrated with and/or executable by the processor, the logic being configured to detect a failure event indicating possible failure of a storage device, initiate a rebuild for the storage device which experienced the failure event, receive information about the storage device which experienced the failure event, and apply a set of statistical process control rules to the information to determine whether the failure event is statistically abnormal. Other systems, methods, and computer program products for providing early warning of storage device failure are also described in additional embodiments..
International Business Machines Corporation
03/12/15
20150074425

System and encrypted disk drive sanitizing


A system and method for first changing the encryption key on a self-encrypting disk drive followed by a complete disk wipe. Either process can be separately performed, and they can be performed in any order.
Whitecanyon Software, Inc.
03/12/15
20150073199

High-frequency control device for accelerator and particle beam therapy system


A hard disk drive memory which stores pattern data of a high-frequency to be applied for each combination of energy and intensity of the generated particle beam and a local memory, which reads a plurality of pattern data of a high-frequency for each patient together with a sequential order of changing energy and intensity from the hard disk drive memory and stores data in order to perform a scanning irradiation method in which a layered particle beam irradiation region in a depth direction of an affected part of the patient is formed sequentially by changing energy and intensity of the particle beam sequentially to irradiate an affected part of a patient which is an irradiation subject with the particle beam, and which reads out data faster than the hard disk drive memory are provided.. .
Mitsubishi Electric Corportion
03/12/15
20150072606

Disk drive carriers and mountable hard drive systems with improved air flow


The side profile of a hard drive assembly may be configured with one or more open areas to allow cooling air to pass side-to-side through a lateral flow channel provided by a cavity defined in the base portion of the hard drive assembly. Corresponding and complementary open areas may be also be defined in mating drive carrier assembly side components to allow passage of lateral side-to-side cooling air through the base portion flow channel of a hard drive assembled to the drive carrier assembly to form a mountable hard drive system that is installed into a storage enclosure.
03/12/15
20150070831

Retaining hard disk drive


A hard disk retaining apparatus includes a main body and an indicating module is installed inside the main body, the indicating module includes a display button, a trigger button, and a display unit. When the hard disk drive is installed into the main body, the hard disk drive contacts the trigger button, pressing the display button, the display unit can display if the hard disk drive is installed into the hard disk retaining apparatus.
Hon Hai Precision Industry Co., Ltd.
03/12/15
20150070828

Hard disk drive assemblies with open side wall areas


The side profile of a hard drive assembly may be configured with one or more open areas to allow cooling air to pass side-to-side across the hard drive assembly through a lateral flow channel provided by a cavity defined in the base portion of the hard drive assembly.. .
03/12/15
20150070798

Spindle motor and disk drive apparatus


A spindle motor is configured to rotate a disk in a case defined by a base plate and a top cover arranged to cover an upper side of the base plate. The spindle motor includes a fluid dynamic bearing including a lubricant oil.
Nidec Corporation


Popular terms: [SEARCH]

Disk Drive topics: Disk Drive, Hard Disk Drive, Piezoelectric, Optical Disk Drive, Die Assembly, Circuit Board, Form Factor, Fastening Device, Storage Device, A Fastening Device, Scheduling

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