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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


Durable sander and oscillation buffer element applied to sander

Durable sander and oscillation buffer element applied to sander

Durable sander and oscillation buffer element applied to sander

Spindle motor and hard disk drive including the same

Date/App# patent app List of recent Disk Drive-related patents
12/18/14
20140372778
 Server backplane patent thumbnailnew patent Server backplane
A server backplane includes a circuit board, a first connector, a second connector, a power connector, a plurality of hard disk drive interfaces to be coupled to hdds, a hdd controller interface, and a controller coupled to the plurality of hdd interfaces and the hdd controller interface. The controller can detect the respective statuses of all the hdd according to report signals from the hdd controller interface and status signals from the hdd interfaces..
12/18/14
20140372693
 System, method and a non-transitory computer readable medium for read throtling patent thumbnailnew patent System, method and a non-transitory computer readable medium for read throtling
A method for managing read requests, the method may include receiving from a requesting entity a read request for reading an information unit stored in a storage system; determining by a control entity of the storage system whether the information unit is cached in a cache memory of the storage system and whether at least a predetermined number of disk drives of the storage system are currently overloaded; introducing a delay to a response to the read request thereby increasing a time difference between a time of the receiving of the read request and a time of a provision of the information unit to the requesting entity, if it is determined that the information unit is not cached in the cache memory and that the at least predetermined number of disk drives of the storage system are currently overloaded; and providing the information unit to the requesting entity.. .
12/18/14
20140370790
 Durable sander and oscillation buffer element applied to sander patent thumbnailnew patent Durable sander and oscillation buffer element applied to sander
A durable sander comprises a body with a drive motor, a sanding disk driven by the drive motor to perform sanding movement against the body and at least one oscillation buffer element. The oscillation buffer element includes an upper connection bar fastened to the body, a lower connection bar fastened to the sanding disk and a plurality of buffer portions bridging the upper connection bar and lower connection bar in an integrated manner.
12/18/14
20140368955
 Disk drive suspension and manufacturing method therefor patent thumbnailnew patent Disk drive suspension and manufacturing method therefor
An actuator mounting section includes a plate member including a first plate and a second plate. The first plate is formed with an opening which accommodates an actuator element.
12/18/14
20140368954
 Disk drive suspension patent thumbnailnew patent Disk drive suspension
In a first terminal portion, a first conductor, a terminal element as a first protection, and a first gold-plating layer are provided. The first terminal element is thicker than a base nickel layer of a slider terminal portion.
12/18/14
20140368952
 Spindle motor and hard disk drive including the same patent thumbnailnew patent Spindle motor and hard disk drive including the same
There are provided a spindle motor and a hard disk drive including the same. The spindle motor includes: a shaft; a sleeve rotatably supporting the shaft by fluid dynamic pressure; a stator core installed on an outer surface of the sleeve; a base member fixed to the sleeve, wherein at least a portion of an inner edge of the base member in a radial direction is inserted into a fixing portion formed in a circumferential direction in an outer surface of the sleeve in the radial direction, and the sleeve includes a first sleeve supporting the shaft and a second sleeve provided outwardly of the sleeve and having the stator core installed on an outer surface thereof..
12/18/14
20140368951
 Spindle motor and hard disk drive including the same patent thumbnailnew patent Spindle motor and hard disk drive including the same
There are provided a spindle motor including a second thrust member installed on a base member; a shaft installed on the second thrust member; a sleeve disposed above the second thrust member and installed to be rotatable with respect to the shaft; a rotor hub coupled to the sleeve; and a first thrust member disposed above the sleeve and installed on the shaft, wherein the sleeve includes a circulation hole penetrating therethrough in an axial direction, the sleeve and the first thrust member include a first thrust bearing formed therebetween and the sleeve and the second thrust member include a second thrust bearing formed therebetween, and an area by which an upper end portion of the circulation hole is overlapped with the first thrust bearing is larger than an area by which a lower end portion of the circulation hole is overlapped with the second thrust bearing.. .
12/18/14
20140368948
 Top cover, disk drive apparatus, and method of manufacturing top cover patent thumbnailnew patent Top cover, disk drive apparatus, and method of manufacturing top cover
A top cover for use in a disk drive apparatus includes a plate made of a metal and a gasket fixed to the plate. The gasket is made of an elastomer.
12/11/14
20140365788
 Control circuit for hard disk drives patent thumbnailControl circuit for hard disk drives
A control circuit includes a power supply, a measurement unit, a control unit, and hard disk drives. The power supply is used to supply power for the hard disk drives.
12/11/14
20140365724
 System and method for converting disk partition format patent thumbnailSystem and method for converting disk partition format
An electronic device includes a hard disk drive for data storage. One or more programs are executed to cause the electronic device to perform a disk partition format conversion procedure.
12/11/14
20140362476
Co-located gimbal-based dual stage actuation disk drive suspensions with dampers
Various embodiments concern a gimbaled flexure having a dual stage actuation structure comprising flexure which comprises a gimbal. The gimbal comprises at least one spring arm and a tongue connected to the at least one spring arm.
12/11/14
20140362475
Damped dual stage actuation disk drive suspensions
Various embodiments concern a dsa suspension of a disk drive. The dsa suspension comprises a support configured to attach to the disk drive, the support comprising a proximal portion, a distal portion, and a linkage portion therebetween.
12/11/14
20140362471
Disk drive device with hub with thinness and suppressed torque decrease
The disk drive device includes a base member, a hub, a bearing unit which is arranged on the base member and which rotatably supports the hub, and a spindle drive unit which drives the hub to rotate. The spindle drive unit includes a stator core having a salient pole, a coil wound around the salient pole and a magnet opposed to the salient pole.
12/11/14
20140362470
Spindle motor for use in disk drive apparatus, and disk drive apparatus
A lead wire guide member is made of an electrically insulating material, and arranged to extend along a lower surface of a base portion. A movement restricting portion is arranged in the lower surface of the base portion.
12/11/14
20140362469
Spindle motor for use in disk drive apparatus, disk drive apparatus, and method of manufacturing stator
A motor includes a base portion including a plurality of base through holes passing there through and a stator arranged on an upper side of the base portion. A plurality of coils of the stator include three coil groups including one or more of the coils defined by a single conducting wire.
12/11/14
20140362468
Magnetic recording head and disk drive with the same
According to one embodiment, a magnetic recording head of a disk drive includes a main pole configured to produce a recording magnetic field perpendicular to a recording layer of a recording medium, a trailing shield located on the trailing side of the main pole with a write gap therebetween, a recording coil configured to produce a magnetic field in the main pole, and a nonmagnetic film containing a nonmagnetic material with a negative thermal expansion coefficient and disposed in the write gap between the trailing shield and a distal end portion of the main pole.. .
12/11/14
20140362061
System and method to display information on a hard disk drive assembly
Methods and systems are provided for displaying information on a hard disk drive assembly. One hard disk drive assembly includes a hard disk drive that includes a driver circuit coupled to a display and to a display memory.
12/04/14
20140355950
Method and apparatus for providing stream linking in audio/video disk media
A method and apparatus for providing stream linking in audio/video disk media is disclosed. The present invention sets-up an audio/video stream on a disk drive, uses read and write commands for accessing contiguous data and, given an established stream, establishes a linked stream by sending a linked stream request with the number of a primary stream to the drive.
12/04/14
20140355155
Disk drive device
A disk drive device includes: a chassis; an annular hub on which a recording disk is to be mounted; a fluid dynamic bearing mechanism that supports the hub freely rotatable relative to the chassis; an annular extended portion extending outwardly in a radial direction from the hub; and an annular recess which is provided in the chassis and where the annular extended portion at least partially enters in the radial direction, in which a gap between the annular recess and the annular extended portion includes a portion that forms a flexed labyrinth in a cross-sectional view.. .
12/04/14
20140355154
Disk drive unit
A disk drive unit includes a stationary body; a rotating body rotatably supported on the stationary body, a seal part configured to form a first gas-liquid interface of a lubricant existing in a gap between the stationary body and the rotating body, and a groove-shaped opening opposing the seal part and communicating to the gap via a communication hole. The seal part has a shape such that the gap gradually increases towards an aperture opposing the groove-shaped opening, and the groove-shaped opening has a shape such that the gap gradually increases towards an aperture opposing the seal part..
12/04/14
20140353444
Fixing apparatus for hard disk drive
A fixing apparatus for fixing a hard disk drive includes a first frame, a second frame, and a latching device. The first frame includes a first mounting arm and a first connecting arm.
11/27/14
20140351627
Storage device with error recovery indication
Methods, apparatus and computer program products implement embodiments of the present invention that enable a controller of a storage device having storage media to perform one or more error recovery operations on the storage media, and to convey, while performing the one or more error recovery operations, a message indicating a status of the one or more error recovery operations to a host processor in communication with the storage device. Storage devices implementing embodiments of the present invention include hard disk drives and solid state disk drives..
11/27/14
20140351626
Minimizing delay periods when accessing mirrored disks
Methods, apparatus and computer program products implement embodiments of the present invention that include arranging a first storage device and a second storage device to store data in a mirrored configuration. Upon a host processor receiving, in response to a first request conveyed to read the data from the first storage device, a message indicating that the first storage device is in an error recovery mode, the host processor can convey a second request to read the data from the second storage device.
11/27/14
20140347969
Hard disk drive with contact detection using a spin torque oscillator
A hard-disk drive having a structurally efficient magnetic head slider utilizes a mamr-based spin torque oscillator (sto) for head-disk contact detection and for flying height sensing. Contact detection and spacing estimation techniques consider the nominal temperature difference, and thus different criteria, between read and write operations..
11/27/14
20140347965
Disk drive calibrating dynamic fly height write profile for fly height actuator
A disk drive is disclosed comprising a disk and a head actuated over the disk, the head comprising a fly height actuator (fha). The disk drive further comprises control circuitry including disk access circuitry, wherein during a calibration operation, the disk access circuitry is configured into a calibration mode that increases a heating of the head, and a fly height of the head is measured periodically to generate periodic fly height measurements that vary due to the heating of the head.
11/27/14
20140347810
Hard disk drive case mounting structure
A hard disk drive case mounting structure includes a case formed of a top cover shell and a bottom holder shell, an electronic system accommodated in the case, and fasteners each including a female fastening component having an annular head press-fitted in one respective vertical mounting hole at the top cover shell of the case and a split tube-like mating connection socket downwardly extended from the annular head, and a male fastening component having a flat circular head press-fitted into one respective vertical mounting hole at the bottom holder shell of the case and a retaining shank extended from the flat circular head and inserted through one respective mounting through hole at a flat frame member of the electronic system and then fastened to the split tube-like mating connection socket of the female fastening component by means of a hook block.. .
11/27/14
20140347765
Two-motor co-located gimbal-based dual stage actuation disk drive suspensions with motor stiffeners
Various embodiments concern a dual stage actuation flexure. The dual stage actuation flexure comprises a flexure having a gimbal.
11/20/14
20140344484
Detection system for hard disk drive
A detection system for detecting status of a plurality of hard disk drives includes a plurality of subsystems. Each of the subsystems includes a controller with a plurality of general purpose input output (gpio) pins, a plurality of connectors respectively connected to the hard disk drives, a plurality of interfaces with data pins, and a plurality of indication units.
11/20/14
20140344483
Monitoring system and method for monitoring hard disk drive working status
A monitoring system for monitoring working statuses of hard disk drives comprises a controller, an mcu, an rs, and a group of indicators. The controller stores sgpio information of corresponding hard disk drives.
11/20/14
20140344482
Electronic device and method for monitoring temperature of hard disk drives
An electronic device includes a hard disk backboard, a plurality of hard disk drives (hdds) electrically connected to the hard disk backboard, a serial attached scsi (sas) expander electronically connected to the hard disk backboard, and a baseboard management controller (bmc) electronic connected to the sas expander. The sas expander obtains temperature information of the plurality of hdds and transmits the temperature information to the bmc.
11/20/14
20140344481
Detecting system for hard disk drive
A detecting circuit for a hard disk drive includes a controller, a first connector, a second connector connected to the first connector, a processor, a feedback circuit, and an indicator circuit. The controller outputs a control signal to the indicator circuit upon receiving feedback data from the feedback circuit, to control the indicator circuit to send out an indicator message.
11/20/14
20140343917
Providing virtual optical disk drive
A method for providing a virtual optical disk drive (odd) is provided. The method can comprise: simulating a pci ide controller through pci configuration space io trap and simulating the odd through ide device io trap..
11/20/14
20140340787
Method and system for hard disk drive throughput optimization using position error signaling
Systems and methods are provided for throughput optimization of a hard disk drive (hdd) using position error signaling (pes) that includes determining a pes for a hdd mounted in a chassis based on a dynamic disturbance. The method also includes calculating a critical parameter of the pes.
11/13/14
20140337575
Tape emulating disk based storage system and method with automatically resized emulated tape capacity
A data protection and storage system includes an array of disk drives for data storage. Data is received for storage on the disk drive via an interface that is configured to emulate a tape drive interface.
11/13/14
20140335371
Disk separator plates and method of making disk separator plates for hard disk drives
A hard disk drive with a multiple disk stack normally utilizes disk separator plates near the disk surfaces to reduce wind induced vibrations in the disks and the read/write heads. The manufacturing methods currently used to make these separator plates, metal casting and machining, or injection molded plastic, or extruding and machining, or cold forging tends to be expensive and creates unwanted weight and bulk without the desired precision.
11/13/14
20140334090
High flow reinforced polyimide compositions with very low residual contamination for hard disk drive enclosure
A filled polymeric composition of high flowability suitable for thin wall (<1 mm thickness) molding, the composition including (a) from 10 to 50 wt % of a reinforcing filler; (b) from 1 to 10 wt % of a polyamide or from 5 to 20 wt % of a liquid crystal polymer (lcp) as a flow promoter; and the balance being a polyetherimide (pei) resin. Composites including an injection molded substrate having a thickness of 0.4-0.8 mm, formed of the composition, and at least one coating thereon.
11/13/14
20140334038
Disk drive read circuit comprising an ac coupled sense amplifier for amplifying a read signal
A disk drive read circuit is disclosed comprising a read element for generating a read signal, and a sense amplifier comprising an input terminal coupled through a first capacitor to the read element and an output terminal coupled through a second capacitor to a transmission line, wherein the sense amplifier is for amplifying the read signal.. .
11/13/14
20140334035
Motor and disk drive apparatus
A motor includes a rotating portion including a sleeve portion and a stationary portion. The stationary portion includes a shaft component which includes an inner shaft portion and an outer shaft portion.
11/13/14
20140334034
Motor and disk drive apparatus
A motor includes a rotating portion and a stationary portion. The stationary portion includes a shaft component which includes an inner shaft portion and an outer shaft portion, an upper plate portion, and a lower plate portion.
11/06/14
20140331004
Write spike performance enhancement in hybrid storage systems
In an embodiment, a hybrid storage array one uses two or more storage device tiers provided by solid state drives (ssds) and hard disk drives (hdds). Random writes are collected and written to a write cache extension, such as a portion of the ssd storage tier.
10/30/14
20140325273
Method and apparatus for creating a self booting operating system image backup on an external usb hard disk drive that is capable of performing a complete restore to an internal sytem disk
Backup applications that use externally connected hard disk drives for storing full image backups of a windows system disk or compressed image or file by file backups of a windows system disk. A system incrementally updates the images, including the system registry, and puts information on the external drive that makes it bootable..
10/30/14
20140325169
Dirty data management for hybrid drives
A hybrid drive includes multiple parts: a performance part (e.g., a flash memory device) and a base part (e.g., a hard disk drive). A drive access system, which is typically part of an operating system of a computing device, issues input/output (i/o) commands to the hybrid drive to store data to and retrieve data from the hybrid drive.
10/30/14
20140325166
Power saving mode hybrid drive access management
A hybrid drive includes multiple parts: a performance part (e.g., a flash memory device) and a base part (e.g., a magnetic or other rotational disk drive). A drive access system, which is typically part of an operating system of a computing device, issues input/output (i/o) commands to the hybrid drive to store data to and retrieve data from the hybrid drive.
10/30/14
20140325128
Mirror copies of solid state drives using portions of hard disk drives
Mechanisms for storing data to a storage system comprising a set of one or more solid state storage devices and a set of non-solid state storage devices are provided. A request to write data to the storage system is received and the data is written to the set of one or more solid state storage devices in response to receiving the request.
10/30/14
20140324875
Index for fast batch updates of large data tables
Systems and processes for managing data using a composite index formed from a major sub-index and zero or more minor sub-indexes are described. Updates to the data may be cached in memory.
10/30/14
20140321046
Wireless electronic device with component cooling structures
An electronic device may have a hard disk drive mounted diagonally within a housing. Electromagnetic interference shielding structures may enclose the hard disk drive.
10/30/14
20140321045
Electronic device with component shielding structures and input-output connectors
An electronic device may have a hard disk drive mounted diagonally within a housing. Electromagnetic interference shielding structures may enclose the hard disk drive.
10/30/14
20140321044
Expansion apparatus for serial advanced technology attachment dual in-line memory module device
An expansion apparatus includes a shell defining an opening, a baseboard mounted in the shell, and a serial advanced technology attachment dual in-line memory module (sata dimm) device. A memory slot, a power converter, a hard disk drive (hdd) signal expander, and a connector exposed through the opening are all arranged on the baseboard.
10/30/14
20140321002
Magnetic disk drive device, magnetic disk assembly and methods of forming the same
A magnetic disk drive device for rotary driving a magnetic disk may be provided. The magnetic disk drive device may include a drive motor for rotary driving the magnetic disk.
10/30/14
20140321000
Base plate having filter fixing part for hard disk drive and hard disk drive including the same
A base plate for a hard disk drive includes a disk accommodating part including a disk disposed thereon having data stored therein; a head seating part formed to be lower than a position of the disk accommodating part and including a head driver disposed thereon providing driving force to a read-write head reading the data stored on the disk and writing data thereto; a filter seated on the disk accommodating part and collecting foreign objects from air flowing during rotation of the disk; and a filter fixing part formed by punching a portion of the disk accommodating part and vertically raising the portion of the disk accommodating part, and fixing the filter.. .


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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