Matches 1 - 50 out of 130 1 2 3 >


Match Document Document Title
US20130170067 Reliability-Aware Disk Power Management  
A token value is maintained based on an allowable number of low power transitions of a hard disk drive without adversely affecting reliability, compared to an actual number of low power...
US20150070798 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...
US20150170691 QUASI-STATICALLY TILTED HEAD HAVING OFFSET READER/WRITER TRANSDUCER PAIRS  
Aspects of the present invention relates generally to apparatuses with transducer arrays having offset transducers. Various embodiments are particularly suited to tilting for tape dimensional...
US20130229724 CUSTOMIZING A RANGE OF ACCEPTABLE TAPE DIMENSIONAL STABILITY WRITE CONDITIONS  
Described are embodiments of an invention for customizing the range of acceptable write conditions to a tape of a tape cartridge that contracts or expands laterally based on environmental...
US20100315738 MOTOR CONTROL DEVICE AND DISK DRIVE DEVICE  
The objective of this invention is to provide a motor control device, and a disk drive device using the same, in which during emergency operation it is possible to supply necessary power to the...
US20100309575 HARD DISK DRIVING CIRCUIT AND METHOD OF DRIVING SPINDLE MOTOR  
A hard disk driving circuit for reducing a maximum amount of current for driving a spindle motor, and a method of driving the spindle motor. The hard disk driving circuit include spindle motor, a...
US20090244764 BALANCE CORRECTION APPARATUS AND BALANCE CORRECTION METHOD  
A balance correction apparatus is configured to correct weight imbalance around an axis of a spindle motor, and includes a piezoelectric actuator configured to apply an impact to a housing, a...
US20150199986 COARSE ACTUATOR POSITIONING ALGORITHM  
A method according to one embodiment includes generating or receiving a value representative of a lateral position of a tape. The value is used to adjust a position of a coarse actuator in...
US20090174961 Target Of Opportunity In An Automated Data Storage Library  
A method is provided for utilizing target of opportunity to perform at least one special operation while a removable storage medium is mounted within a data storage drive for another purpose. A...
US20090002869 POSITIONING OF PLANTS IN SERVO SYSTEMS  
Apparatus is provided for fast-adjustment of the position of a plant in a servo system in which a servo output indicative of the plant position is provided to a positioning system for positioning...
US20100067138 VARIABLE SPINDLE SPEED FOR RAMP UNLOAD  
In a particular embodiment, a controller is adapted to control a spindle motor that controls rotation of at least one rotatable disc of a storage device. The controller is adapted to increase a...
US20080253013 Method of Reading From and Writing to a Storage Disk, and Storage Disk Control Unit  
A storage disk control unit is provided with a buffer management table that defines correspondence between the sectors of a storage disk and the buffer spaces of the storage disk control unit....
US20090237828 TAPE DEVICE DATA TRANSFERRING METHOD AND TAPE MANAGEMENT SYSTEM  
A data transferring method is provided which can perform a data transfer without stopping transactions, without introducing a new device or without halting an access to a tape device by a...
US20110188149 SERVO PATTERNING COMPATIBLE WITH PLANARIZATION OF PATTERNED MAGNETIC DISKS  
Embodiments herein illustrate patterned servo data that allows the patterned disk to be planarized with a relatively simple planarization process. A magnetic disk, in this regard, includes a data...
US20100067139 ADJUSTING READ HEADS BASED ON MISREGISTRATION CALCULATED FROM SERVO PATTERNS  
Provided are a method, storage controller, and tape drive for adjusting read heads based on misregistration calculated from servo patterns. A plurality of first read heads read a plurality of...
US20070086105 Quiet movie playback for entertainment PC  
An entertainment system includes an optical media drive operable to playback contents of an optical media and a storage device (SD) to store data. The SD includes a head to read and write the...
US20100165501 Transferring Disk Drives Within Disk Drive Testing Systems  
A method of transferring disk drives within a disk drive testing system includes actuating an automated transporter to retrieve multiple disk drives presented for testing, and actuating the...
US20090073598 DISC DRIVE  
A storage medium with electronic paper is provided with a disk drive that can refresh the display on the electronic paper using a simple arrangement. A disk drive includes a motor that generates...
US20090161246 Random Number Generation Using Hard Disk Drive Information  
A hard disk drive enhances random number generation. In particular embodiments, the hard disk drive includes a controller, a hard disk, and a head. The head includes a read sensor for reading...
US20120281309 REDUCING A NOISE COMPONENT ASSOCIATED WITH MOVEMENT OF A MOVEABLE PART  
An output is generated in response to an indication associated with movement of a moveable part in a storage device. The output is for reducing a noise component associated with the movement of...
US20090153999 HARD DISK, CONTROL UNIT FOR A DISK DEVICE, AND METHOD FOR CONTROLLING A DISK DEVICE  
A hard disk includes: a plurality of servo areas which are elongated radially from a center of the hard disk to an outward thereof over tracks thereof; and a plurality of data areas which are...
US20080174899 Recordable disc and motor  
A device comprises a recordable disc, a substrate adjacent to the recordable disc, and an actuation mechanism fixed to the substrate. The recordable disc includes a base layer and a recordable...
US20120314319 Servo Mark Length Matched to Write Head Gap for Magnetic Storage Media  
Magnetic storage tape and techniques for erasing and writing to magnetic storage tape having a perpendicular squareness greater than 50 percent and a longitudinal squareness less than 50 percent...
US20100277825 HARD DISK ACCESS METHOD  
A hard disk access method is disclosed. The hard disk access method includes the following steps. A port mapping table is established in the execution of a startup process. An access instruction...
US20080130156 DISK DRIVE WITH NONVOLATILE MEMORY FOR STORAGE OF FAILURE-RELATED DATA  
A disk drive that includes nonvolatile memory monitors the drive's reliability-related parameters to detect real or potential failure events, and records failure-related data in nonvolatile...
US20090268334 Disk drive device and control method of unloading corresponding to fall detection in disk drive device  
Embodiments of the present invention improve the safety against a fall of a disk drive device. In one embodiment, when an HDD has recognized detection result data of a fall sensor to indicate a...
US20140307346 HUMIDITY AND TEMPERATURE CONTROLLED TAPE DRIVE CLEANING  
In one embodiment, a method includes making a determination whether to modify a cleaning cycle, e.g., of a tape drive, based at least in part on at least one of: an age of one or more tapes, a...
US20080165445 Pickup for accessing moving storage media and drive having the pickup  
A pickup (P) for accessing moving storage media (D) carrying substantially parallel information tracks (T) has a carrier (C), a movable actuator (A) with a lens and suspension means joining the...
US20110134562 OPERATING A REEL-TO-REEL SYSTEM  
A method for operating a reel-to-reel system of a storage device with a first reel, a second reel, a first motor and a second motor, the first motor drives the first reel and the second motor...
US20120314318 Continuous Biasing and Servowriting of Magnetic Storage Media having Perpendicular Anisotrophy  
Magnetic storage tape and techniques for erasing and writing to magnetic storage tape having a perpendicular squareness greater than 50 percent and a longitudinal squareness less than 50 percent...
US20120300337 HEAD WRAP PROCEDURE  
According to one embodiment, a method includes tracking a magnetic tape moving in a first direction using at least one reader of an inner module of a head having at least the inner module and...
US20080158712 BUFFER MEMBER, IMPACT ABSORBING DEVICE OF HARD DISK DRIVE, AND MOBILE INFORMATION APPARATUS USING IT  
A buffer member and impact absorbing device can buffer various impacts, namely from an extremely strong impact such as drop to a weak impact or repetitive vibration such as daily operation. The...
US20100079896 ERROR CORRECTION MAPPING  
A method according to one embodiment includes receiving signals from multiple readers; and performing more error control processing on a signal from an outer reader than on a signal from an inner...
US20100309574 DETECTING RAMP LOAD/UNLOAD OPERATIONS  
A method for detecting ramp load/unload operations is disclosed. The method includes measuring a signal value generated by a transducer element during either a ramp unload operation or a ramp load...
US20140300987 MOTOR DRIVE DEVICE, MAGNETIC DISK STORAGE DEVICE, AND ELECTRONIC DEVICE  
A motor drive device has a spindle motor driver adapted to drive a spindle motor. the spindle motor driver includes lower side NMOSFETs, one for each phase, which connect and disconnect terminals,...
US20110051279 EFFICIENT MOVES THROUGH DRIVE REMAPPING  
A storage library is described including a first tape drive that is identified as a target tape drive to a host via a first address and a second tape drive that is masked from being identified by...
US20090262449 Disk drive  
A disk drive for driving a disk is disclosed, which includes: a driving unit configured to provide a driving force onto the disk, a main circuit pattern electrically connected with the driving...
US20060256465 Tape system with dynamically controlled flangeless rollers  
A tape recording system is provided comprising slightly convex, or barrel-shaped, flangeless roller guides mounted on actuators to control the transverse position of the tape. Self-centering of...
US20090040648 Selecting a Destination Tape Recording Device for Saving Data  
Selecting a destination tape recording device, out of a plurality of tape recording devices, for saving data. Particularly a technique for selecting a tape recording apparatus whose performance is...
US20100085654 DATA TRANSFER ASSEMBLY PERFORMANCE CHARACTERISTICS TESTING  
An apparatus is provided having a data transfer member, and a medium supported by a base adjacent the data transfer member. A medium tilting device supports the base and is selectively...
US20090086359 FORMATTING DISK DRIVE DATA USING FORMAT FIELD ELEMENTS  
Formatting disk drive data using format field elements (FFEs). A processing module (which can be a general purpose processor or a RISC (Reduced Instruction Set Computer) processor) is employed to...
US20090180212 APPARATUS AND METHOD FOR WRITING AND READING DATA TO AND FROM TAPE MEDIUM  
The present invention enhances the capability to specify a recorded position of designated data, even when a tape medium is run at high speed. A controller of a tape drive includes: a data set...
US20090323214 Modulated Disk Lock Clock and Methods for Using Such  
Various embodiments of the present invention provide systems and methods for controlling access to a magnetic storage medium. As one example, a method for controlling access to a storage medium is...
US20080278840 POSITION CONTROL METHOD OF INERTIAL DRIVE ACTUATOR AND INERTIAL DRIVE ACTUATOR  
A position control method of inertial drive actuator includes a movement-amount setting step of setting an amount of movement, a target-position setting step of setting a target position of a...
US20100014183 MAGNETIC DISK DRIVE REFRESHING DATA WRITTEN TO DISK AND DATA REFRESHMENT METHOD APPLIED TO MAGNETIC DISK DRIVE  
According to one embodiment, a disk has a set of tracks thereon. A controller performs refresh control for reading data by a head from a track on the disk to be refreshed and for writing the read...
US20150235662 MAGNETIC RECORDING HEAD HAVING PROTECTED READER SENSORS AND NEAR ZERO RECESSION WRITER POLES  
An apparatus according to one embodiment includes a module having first and second transducers of different transducer types positioned towards a media facing side of the module, where the...
US20090219641 PHASE LOCKED NOTCH FILTER IN A SERVO CONTROL LOOP  
A notch filter in a servo control loop is phase locked to a nonrepeatable runout component of a servo control loop signal. The phase locked notch filter may thereby more effectively track time...
US20080112072 Data storage device and data erase method  
A data storage device with a recording medium for which a data erase function unit is introduced to achieve both partial non-erasure of data for analyzing a cause of data error and full erasure of...
US20090296257 Heat Generation Amount Control Device, Program and Recording Medium Therefor, Magnetic Disk Device, and Heat Generation Amount Control Method  
According to the present invention, heat generation amount control information for controlling a heat generation amount of a heat generating section (20) is arranged to correspond to each of...
US20120019953 'Tape Drive Velocity Control'  
In accordance with the present invention, a method of operating a magnetic tape drive, a magnetic tape drive and a servo control system are provided for obtaining and maintaining velocity control...

Matches 1 - 50 out of 130 1 2 3 >