|| List of recent Disk Drive-related patents
| Remapping disk drive i/o in response to media errors|
A method for handling media errors during a read operation on a data storage device. The method comprises detecting that a first file and a second file are duplicates, wherein the first file is stored on a first storage device.
| Scalable storage protection|
The disclosure is directed to protecting data of a scalable storage system. A scalable storage system includes a plurality of nodes, each of the nodes having directly-attached storage (das), such as one or more hard-disk drives and/or solid-state disk drives.
| Electronic apparatus|
Buffer materials 7 and a lower principal surface 6a of a hard disk case 6, and the buffer materials 7 and a hard disk drive 5, are adhesively fixed to each other by strong pressure-sensitive adhesive forces. Pressure-sensitive adhesive materials 8 are provided between the hard disk drive 5 and an upper principal surface 6b of the hard disk case 6.
| Electronic apparatus and buffer material|
Mounted between bottom and top surfaces of a case are: second buffer materials and first buffer materials brought in surface contact with a bottom surface of a hard disk drive (hdd) via an insulating member, and upper buffer materials brought in surface contact with the opposite side of the hdd via the insulating member. When impact f2 is applied to the hdd, the second buffer materials contract from a thickness of t0 to t2, and the first buffer materials buckle.
| 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.
| Rotating apparatus capable of improving the shock resistance and method for manufacturing the rotating apparatus|
A disk drive device includes a hub, a base plate, and a bearing unit. The bearing unit includes a shaft housing member, joined to the hub, having a through-hole in the center, a shaft having a smaller diameter section and a larger diameter section, a radial dynamic pressure grooves, and a lubricant agent.
| Methods for balancing a disk drive|
In certain embodiments, a method includes radially offsetting a disk clamp to offset a static drive balance.. .
| Stopper, motor, and disk drive apparatus|
A motor includes a stator and a rotor including a disk portion, a cylindrical portion, and a stopper. The stopper includes a stopper protruding portion and is fixed to an inner surface of the cylindrical portion.
| System and method for automatic calibration of notch filter of hard disk drive|
An apparatus for use with a hard disk drive, comprising: a selectable notch filter with a selectable notch frequency; a shock sensor of the hard disk drive, coupled to the selectable notch filter, the shock sensor having at least one resonance frequency; a flip flop coupled to an output of the notch filter and an output of the shock sensor; a calibration logic coupled to an output of the flip flop, wherein an output of the calibration logic is coupled to a selection input of the selectable notch filter.. .
| Pre-amplifier output stage with integrated test buffer|
Disk drive pre-amplifier output stage circuitry is presented including a high pass input filter for removing dc offsets from differential read data signals and providing an input to ab drivers of the output stage, in which an offset test circuit selectively drives the high pass filter output nodes according to the offset at the filter input to facilitate measurement of the preceding circuit offset at the driver output terminals, and a common mode regulator circuit regulates common mode voltages at the first and second driver output nodes to a predetermined value in read and write modes.. .
| Electronic apparatus and electronic component housing case|
A slit opening 8 is formed on a lower principal surface 6a of a hard disk case 6, in the vicinity of the inner side of an angle part formed by a lower left lateral wall 6e and an opposing lower lateral wall 6c. A hard disk drive 7 is placed in the hard disk case 6.
|Disc visible type disc drive apparatus|
A disc-visible type disk drive apparatus is disclosed. The disk drive apparatus includes: a main body casing having a first slot provided at a first side surface to load a disc; a protection cover having a first cover provided on the first side surface of the main body casing, wherein the first cover covers a portion of the disc exposed outside the main body casing through the first slot and forms a passage through which the disc passes during loading and unloading; a disc detecting sensor disposed in the first cover which detects the disc; and a disc loading unit disposed in the main body casing and having a loading roller which is driven so as to load the disc if the disc is detected by the disc detecting sensor..
|Smart scalable storage switch architecture|
A method and system for providing advanced storage features using commodity, consumer-level storage devices is provided. The advanced storage system is a component that is connected between the computer system and one or more physical disk drives.
|Enclosure architecture of high density, easy access, racked data storage|
A side loading enclosure for a rack mount type storage unit is provided. The enclosure provides for easier access to hard disk drives (hdds) for maintenance and repair as well as the ability to increase the number of hdds that can be mounted in a single enclosure.
|Real time close loop fly height control|
A device includes a disk drive assembly configured to store information using a platter comprising a magnetic material surface and a magnetic head disposed above the magnetic material surface. The magnetic head is configured to move across tracks formed on the platter to write information to the magnetic material surface and read information from the magnetic material surface.
|Recording regions in a shingled magnetic hard disk drive system|
Described embodiments provide a method of writing data to a storage medium having a plurality of shingled magnetic recording (smr) regions and a plurality of non-smr recording regions. A host write request is generated from a hard disk controller coupled to the storage medium and a host device.
|Control system and method for storage configuration|
A control system for storage configuration of a first computer includes a switch apparatus and a storage module. The switch apparatus determines whether a second computer or a hard disk drive (hdd) is connected to a first interface of the switch apparatus.
|Fastening device for hard disk drive|
A fastening device includes a bracket, two hook devices, and an operation member. The bracket includes two parallel clamping arms sandwiching an hdd, and a connection plate connected between the clamping arms.
|Mounting device for hard disk drive|
A mounting device for mounting a hard disk drive (hdd) includes a motherboard forming a memory slot, a printed circuit board, and a fixing frame. The fixing frame includes a receiving portion for receiving the hdd, and a connection portion connected to the receiving portion.
|Heat dissipation in computing device|
A computing device is disclosed. The computing device includes a shock mount assembly that is configured to provide impact absorption to sensitive components such as a display and an optical disk drive.
|High accuracy bipolar current multiplier with base current compensation|
A bipolar current multiplier apparatus and method includes a group of negative feedback loop circuits for compensating base current loss, and multiple bipolar devices that communicate electronically with the negative feedback loop circuits, wherein the bipolar devices are responsive to base currents capable of being self-cancelled due to a presence of the negative feedback loop circuits, thereby ensuring that an output is stabilized over temperature and process variations while providing for a wide input dynamic range. In some embodiments, the bipolar current multiplier apparatus can be associated with a preamplifier for a hard disk drive to calculate the output power associated with a power driver that controls the flying height of read/write heads of the hard disk drive..
|Spindle motor and disk drive apparatus|
A base member of a spindle motor includes a base through-hole and a base groove portion. The base through-hole extends through a bottom portion of the base member.
|Methods and apparatus for sharing, transferring and removing previously owned digital media|
The invention provide systems and methods for management of digital media objects, comprising first and second client digital data processors (e.g., personal (or private) computers, laptops, dedicated music devices, electronic book readers, and so forth) that are in communications coupling with one or more stores (e.g, dedicated disk drives, flash drives, cloud storage, etc.). At least one digital media object (dmo) or copy thereof is stored in one or more of those stores and is accessible by at least one of the first and second client digital data processors..
|Expansion circuit for server system and server system using same|
An expansion circuit for a server system includes a first output terminal, a second output terminal, a switch circuit and a detection circuit. The first output terminal receives a first voltage and providing the first voltage to a first hard disk drive group.
|Virtual disk drive system and method|
A disk drive system and method capable of dynamically allocating data is provided. The disk drive system may include a raid subsystem having a pool of storage, for example a page pool of storage that maintains a free list of raids, or a matrix of disk storage blocks that maintain a null list of raids, and a disk manager having at least one disk storage system controller.
|Storage system having a heatsink|
A storage system sized to fit within a standard magnetic hard disk drive (hdd) form factor. The storage system includes a solid state disk (ssd) and a cooling means thermally coupled to the body of the ssd.
|Ultra-thin hdd embedded disk clamp design|
A disk drive having a hub comprising a top surface and a non-circular protrusion extending upward from the top surface, a disk clamp comprising a wall portion and a non-circular opening formed through the clamp, the opening configured to receive the non-circular protrusion extending upward from the top surface of the hub; and at least one disk supported by the hub, wherein the non-circular protrusion extending upward from the top surface of the hub is inserted into the opening formed in the clamp, and wherein an outer annular portion of the clamp engages the disk to provide clamping force.. .
|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 including: a lower thrust member fixedly attached to a base member; a shaft fixedly attached to the lower thrust member and including an expansion groove formed in an outer peripheral surface thereof in a circumferential direction; a sleeve disposed above the lower thrust member and rotatably attached to the shaft; and a rotor hub coupled to the sleeve and rotating together therewith, wherein the lower thrust member includes a fitting protrusion protruded upwardly from an inner portion thereof in an axial direction and press-fitted into a fixing groove provided in a lower end portion of the shaft upwardly in the axial direction.. .
|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 including: a thrust member fixed to a base member; a shaft fixed to the thrust member; a sleeve disposed above the thrust member, rotatably installed with respect to the shaft, and including a catching portion protruding outwardly from a lower portion thereof in a radial direction; a rotor hub coupled to the sleeve and rotating together therewith; and a stopper disposed above the catching portion and fixed to the base member.. .
|System for delivering and enabling interactivity with images|
A system, including apparatuses, software and methods, is disclosed for capturing and delivering images as to which various interactive functions are enabled for a user. The images introduced to the system can come from any one of a variety of sources, including from a digital camera.
|Software selection based on estimated available storage space|
Software selection based on estimated available storage space involves determining that a data package (e.g., a software component) is not to be loaded (e.g., not to be installed) onto a storage device (e.g., a disk drive) of a computer (e.g., a target computer). This determination is based on estimated available storage capacity of the storage device (e.g., free disk space) and on a storage requirement of the optional data package (e.g., disk space required by the proposed software component).
|Software selection based on available storage space|
Software selection based on available storage space involves determining that a data package (e.g., a software component) is not to be loaded (e.g., not to be installed) onto a storage device (e.g., a disk drive) of a computer (e.g., a target computer). This determination is based on the available storage capacity of the storage device (e.g., free disk space) and on a storage requirement of the optional data package (e.g., disk space required by the proposed software component).
|Dynamic disk space management in a file system|
Dynamic disk space management in a file system, including: assigning, by a disk utilization manager upon creation of each file in the file system, a unique identifier to the file; tracking, by the disk utilization manager for each file in the file system, file characteristics in dependence upon the unique identifier of the file; prioritizing, by the disk utilization manager in dependence upon the tracked file characteristics and a predefined set of prioritization criteria, files in the file system; tracking, by the disk utilization manager, utilization of disk drive space; and, upon utilization of disk drive space exceeding a predetermined maximum threshold, reducing, by the disk utilization manager in dependence upon the priorities of files, disk drive space utilization to no greater than a predetermined capacity.. .
|Low temperature catalyst for disk drives article and method|
An article and method for degrading volatile organic compounds in an electronic enclosure is disclosed. The method comprises providing a substrate, such as a scrim material, and applying a catalyst to the substrate.
|Disk drive device|
A front-end unit 2 includes: a communication unit 8 and a local storage 9 to be used by a cpu 4b on the board in which the front-end unit itself is arranged; and i/f units 10a, 10b that make connections in an accessible manner from the cpu 4b to the communication unit 8 and the local storage 9 in the front-end unit 2.. .
|Servo processor receiving photodetector signals|
A focus servo system for an optical disk drive includes an optical pick-up unit comprising at least one photodetector. At least one analog to digital converter is configured to digitize signals received from the at least one photodetector.
|Storage device having degauss circuitry with ramp generator for use in generating chirped degauss signal|
A hard disk drive or other disk-based storage device comprises a storage disk, a write head configured to write data to the disk, and control circuitry coupled to the write head. The control circuitry comprises a write driver and degauss circuitry associated with the write driver.
|Particle-capturing device configured to remove particles from a plurality of air-streams flowing within a disk enclosure of a hard-disk drive|
A particle-capturing device configured to remove particles from a plurality of air-streams flowing within a disk enclosure of a hdd. The particle-capturing device includes a particle-capturing filter, and a filter holder.
|Method and system for governing an enterprise level green storage system drive technique|
A method and system for manipulating a spin state of each disk in a drive array is disclosed. In one embodiment, a method includes monitoring input/output (i/o) requests to each disk drive in a disk array and identifying any disk drive as an inactive disk drive based on a number of i/o requests directed to said any disk drive for a given time interval.
|Base member, motor, and disk drive apparatus|
A thin base member for use in a disk drive apparatus in which a bearing mechanism and an actuator are arranged includes a plurality of lower recess portions, a c-shaped smooth surface, and a fan-shaped recess portion. The c-shaped smooth surface is arranged in a region of an upper surface of the base member around the region where the bearing mechanism is arranged and the c-shaped smooth surface has a height constant or substantially constant in a circumferential direction.
|Removable hard disk drive holder|
A removable hard disk drive holder made of a plastic unit enveloping a metallic unit comprises a bracket, a plate and a handle. The bracket has a front panel and two side plates.
|Disk drive suspension|
A microactuator element is disposed on a gimbal portion of a flexure. A first end of the element is secured to a first supporting portion by a first insulating adhesive.
|Disk drive suspension|
A slider and microactuator elements are disposed on a gimbal portion of a flexure. A first end portion of each of the elements is secured to a first supporting portion.
|Disk drive suspension|
A gimbal portion of a flexure is provided with first supporting portions to which first end portions of microactuator elements are secured and second supporting portions to which second end portions are secured. A first tongue portion is formed between the pair of first supporting portions.
|Disk drive suspension|
A slider and a pair of microactuator elements are disposed on a gimbal portion of a flexure. The gimbal portion comprises a first tongue portion, a second tongue portion, and a hinge portion.
|Base for hard disk drive, method of manufacturing the same and hard disk drive having the same|
Disclosed herein is a base for a hard disk drive including: a base plate formed with a motor seating part; and at least one through hole formed along an outer circumference of a seating part of the base plate and formed to axially receive a coil winding part of a stator assembly of the motor, wherein the through hole is configured of a first through groove corresponding to the coil winding part and a second through groove extending from the first through groove and formed so that a radial forming width of the second through groove from a center of the seating part is narrower than that of the first through groove. According to the preferred embodiment of the present invention, it is possible to improve and maintain the rigidity of the base while avoiding the coil winding part by structurally changing the through hole of the base..
|Accelerating error-correction decoder simulations with the addition of arbitrary noise|
In one embodiment, a simulator, e.g., for a hard-disk drive selects for testing a signal-to-noise ratio (snr) value from a range of ratios and an error-correction codeword pattern from a range of codeword patterns. The simulator simulates a communications channel by applying write noise, inter-symbol interference, and read noise to the codeword pattern to generate a noisy signal.
|Solid state drives as a persistent cache for database systems|
Disclosed herein are systems, methods, and computer readable storage media for a database system using solid state drives as a second level cache. A database system includes random access memory configured to operate as a first level cache, solid state disk drives configured to operate as a persistent second level cache, and hard disk drives configured to operate as disk storage.
|High density disk drive performance enhancement system|
The present invention provides an hdd performance enhancement system that utilizes excess disk capacity as cache memory to enhance the i/o performance of the drive. The cache memory is distributed throughout the disk, for example in alternating tracks, sectors dedicated to serving as cache, or other distributed cache track segments or segment groups.
|Polyetherimide resins with very low levels of residual contamination|
Compositions and methods for producing compositions comprising a monoamine-endcapped polyimide component. Based on a gas chromatography mass spectroscopy analysis of a surface rinse of the composition performed at room temperature, the composition can have at least one surface with less than or equal to 5 ppb releasable phosphorous residuals, and less than or equal to 5 ppb releasable volatile organic compound residuals.
|Method and apparatus for providing stackable hard-disk drive carrier using pull-out drawers|
A method and apparatus for providing a stackable hard-disk drive (“hdd”) carrier using pull-out drawers and fasteners are disclosed. The carrier, in one embodiment, includes an inner case or drawer and an outer frame casing.
|Fluid dynamic bearing unit and disk drive device including the same|
A first sleeve rotatably extends around a shaft. First and second flanges are fixed to the shaft.
|Spindle motor including a fluid dynamic bearing and disk drive apparatus with same|
A stationary portion of a motor includes a shaft component, an upper plate portion, and a lower plate portion. A rotating portion includes a sleeve portion which is disposed between the upper plate portion and the lower plate portion.
|Distribution of mass in vertical axis for hga flexure mode control|
Approaches for a hard-disk drive (hdd) and a head gimbal assembly comprising techniques for forming the gimbal legs in a head gimbal assembly (hga) in a manner to shift the distribution of mass of the hga that results in controlling the magnitude of resonance gain associated with the hga during operation of a hard-disk drive.. .
|System, method and apparatus for selection of reserved area data tracks|
Selection of disk drive data tracks for the location of reserved area include providing a media disk with data tracks comprising a user data region. A location is assessed on the media disk with a highest frequency of adjacent track interference and far track interference-refresh potential.