Matches 1 - 50 out of 137 1 2 3 >


Match Document Document Title
US20100265610 DISK DRIVE TRANSPORT, CLAMPING AND TESTING  
A disk drive transporter, for transporting a disk drive and for mounting a disk drive within a test slot, includes a frame configured to receive and support a disk drive. The frame includes...
US20100265609 DISK DRIVE TRANSPORT, CLAMPING AND TESTING  
A disk drive transporter, for transporting a disk drive and for mounting a disk drive within a test slot, includes a frame configured to receive and support a disk drive. The frame includes...
US20090135512 ELECTRICAL CURRENT AS PROBE FOR MODULATION AT HEAD-DISK INTERFACE  
A system and method for measuring the modulation between a magnetic head and a magnetic storage medium, such as a disk, is disclosed. A magnetic read/write head is positioned above a magnetic...
US20060119977 Media servowriting system  
A system and methods for efficiently performing media writing functions is disclosed. The system and methods include: detecting media movement with respect to a base and heads during reading and...
US20100284102 MAGNETIC RECORDING DEVICE WITH AN INTEGRATED MICROELECTRONIC DEVICE  
A system includes a magnetic recording device and a circuit including at least one active semiconductor component. The circuit is formed on the magnetic recording device and generates an output...
US20090153993 Disk Drive Testing  
A disk drive testing system includes at least one robotic arm defining a first axis substantially normal to a floor surface. The robotic arm is operable to rotate through a predetermined arc about...
US20080259481 Method of Using a Magnetic Sensor  
A method of measuring an external magnetic field pointing in a first direction substantially parallel to a surface normal to an at least first magnetoresistive layered structure deposited on a...
US20070127148 Apparatus and method for detecting contact between head and recording medium, and method for manufacturing head  
In a contact detecting apparatus that detects contact of a head with a recording medium, a signal writing unit writes onto the recording medium, a signal that includes at least one predetermined...
US20120250174 INFORMATION RECORDING DEVICE AND INFORMATION RECORDING METHOD  
According to one embodiment, an information recording device includes: a magnetic recording medium having tracks; a detector configured to detect widths of fringing phenomena that occur on both...
US20100188767 DISK DRIVE AND WRITE CONTROL METHOD THEREIN  
According to one embodiment, a disk drive includes a medium scanner and a threshold manager. The medium scanner measures the write count of each head with respect to a disk. The medium scanner...
US20100321811 DRIVE LIFE CYCLE MANAGEMENT  
Described are a method and apparatus that monitor tape drive health for tape drives in a tape library. The tape library generally contains a data base that is adapted to maintain functional status...
US20080130152 Manufacturing method of floating head, manufacturing method of storage device, and floating head inspecting apparatus  
A method of manufacturing a floating head includes an inspecting step for inspecting performance of the floating head by simulating different environmental conditions, the inspecting step includes...
US20050052770 Method and apparatus for recovering read errors in a disk drive  
Disclosed herein is a disk drive that performs a read-retry to recover a read error resulting from a frequency-fluctuating part of any data region provided on the disk medium. The disk drive has a...
US20100302664 DISK DRIVE DATA STORAGE SYSTEMS AND METHODS USING BACKUP POWER SOURCE CHARGED BY SPINDLE MOTOR  
A data storage system includes data storage including at least one data storage disk driven by a spindle motor and a control circuit coupled to the data storage and configured to be coupled to a...
US20110205653 Systems and Methods for Data Recovery  
Various embodiments of the present invention provide systems and methods for identifying a reproducible location on a storage medium. As an example, a circuit is described that include a media...
US20090268330 METHOD AND APPARATUS ESTIMATING TOUCH-DOWN APPROACH FLYING HEIGHT FOR MAGNETIC HEAD OF DISK DRIVE  
A method and apparatus for controlling flying height for the read/write head of a HDD. The method uses the flying status of the head immediately before the head touches down on the disk to provide...
US20100321812 PROXIMITY DETECTION METHOD FOR MAGNETIC HEAD AND RECORDING MEDIUM  
Touchdown is detected between an R/W head and disk by determining the variance in the frequency domain of a baseline position error signal (PES) and a PES measured after incrementally increasing...
US20070133118 Information storage apparatus  
An information storage apparatus includes a magnetic head having a magnetic pole end that is controllable so as to project, a recording medium for recording and/or reproducing data, a protrusion...
US20050094300 Method and apparatus for write control in a disk drive  
There is disclosed a disk drive having a write controller which effectively inhibits a PTP phenomenon at a write operation time. The write controller is a CPU which changes write conditions for...
US20100007976 PROTECTING MAGNETIC HEAD ELEMENTS  
A magnetic head is described herein. A method for manufacturing the magnetic head comprises determining a protective distance for a protective structure to extend beyond an element in a direction...
US20070188902 Delivering capacity alerts  
Systems and methods to alert content subscribers that content recording space is running low are described. The subscriber is provided a chance to remotely manage their system to accommodate the...
US20120050904 METHOD AND APPARATUS FOR COMPENSATING FOR DISTURBANCE AND DISK DRIVE EMPLOYING THE SAME  
A method and apparatus for compensating for a disturbance by detecting a periodic external disturbance applied to a data storage apparatus is provided. The method includes: calculating a...
US20060066971 System and method for ameliorating the effects of adjacent track erasure in magnetic data storage device  
To ameliorate the effects of ATE in a HDD, tracks that are potential victim tracks of an aggressor track by virtue of the victim tracks being exposed to a magnetic field associated with a write of...
US20070127147 Contact detecting apparatus, and method for detecting contact  
In a contact detecting apparatus that detects contact of a head with a recording medium, a signal writing unit writes onto the recording medium, a signal that includes at least one predetermined...
US20170011769 MAGNETIC DISK DEVICE AND METHOD OF CONTROLLING MAGNETIC DISK DEVICE  
According to one embodiment, first data is written into a first storage area with a shingled write recording scheme. A verification process is performed. The verification process includes reading...
US20090161243 Monitoring Disk Drives To Predict Failure  
Embodiments include methods, apparatus, and systems for monitoring disk drives to predict failure. One embodiment includes a disk drive having a plurality of different types of sensors that sense...
US20120262812 TEST APPARATUS AND METHOD OF TESTING WITH A TEST APPARATUS  
There is disclosed a test apparatus for performing testing with a read/write head and method of testing with a test apparatus. The test apparatus includes a head load mechanism for receiving and...
US20100118425 DISTURBANCE REJECTION IN A SERVO CONTROL LOOP USING PRESSURE-BASED DISC MODE SENSOR  
Vibration of a rotatable disc is sensed using a pressure sensor positioned adjacent to and spaced apart from a surface of the rotatable disc. The pressure sensor detects pressure variation caused...
US20070230001 Head inspection apparatus and method thereof  
In an inspection for judging acceptance of a recording and reproduction head used in a recording and reproduction device, quality information indicating quality of a data signal of a head unit and...
US20120033317 POSITION ERROR SIGNAL DEMODULATION WITH TARGET-BASED BLENDING  
In a disk drive, a method for servo burst-decoding demodulation that accommodates track pitch variation. Depending on the distance a read head is displaced from a read head target position, a...
US20070230003 INFORMATION STORAGE SYSTEMS  
An information storage apparatus comprises a one or more storage media 168 which include a plurality of information tracks. Each storage medium 168 has a head assembly 170 having a substantially...
US20060109583 Method and apparatus for servo writing with servo pattern examination in a disk drive  
There is disclosed a servo information writing apparatus comprising a disk drive and an examination unit. The examination unit executes examination to select an adequate servo pattern as servo...
US20100073795 FLYING HEIGHT CONTROL DEVICE FOR MAGNETIC HEAD, AND MAGNETIC DISK DEVICE  
A flying height control device controls a flying height of a magnetic head, while preventing unnecessary execution of flying height control when read performance drops. A control circuit, which...
US20090153995 Temperature coefficient of resistance measurement of TMR head using flying height control heater and determine maximum bias voltage of TMR heads  
A method for determining whether a magneto-resistive head of a hard disk drive is defective for having an undesirable break down voltage. The method includes applying a voltage to a heater element...
US20060044658 Detection of fly height change in a disk drive  
A method for detecting a change in fly-height comprises measuring a baseline position error signal, measuring a position error signal at later time, and comparing the measured change in PES to a...
US20100199106 MAGNETIC DISK APPARATUS AND CIPHER KEY UPDATING METHOD  
According to one embodiment, a magnetic disk apparatus comprises a magnetic disk configured to store encrypted data, a magnetic head configured to read data from and to write data to the magnetic...
US20150294690 MAGNETIC DISK APPARATUS AND DATA RECORDING METHOD  
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...
US20090034109 DISK DRIVE APPARATUS AND MEDIA DEFECT DETECTION METHOD  
According to one embodiment, a disk drive apparatus includes a defect table formed using more than one defect detection standard. Methods and devices are described using different defect detection...
US20060215309 Low flying head detection using readback signal amplitude modulation  
A method for determining whether a data storage device read/write head is a low-flying read/write head or a non low-flying read/write head. A disc attached to a spindle motor is accelerated to an...
US20100202078 READ/WRITE PROCESSING METHOD FOR MEDIUM RECORDING DEVICE AND MEDIUM RECORDING DEVICE  
According to one embodiment, a medium recording device includes a reading/writing module configured to read/write data from/to a recording medium, a buffer memory configured to temporarily store...
US20070025006 Sector format setting processing method for disk storage device and disk storage device  
A disk storage device has a plurality of disk faces and a plurality of heads, in which a different S/N is improved for each head. The disk face is formatted in a sector format with which the...
US20060072228 Method and circuit for operating a storage device  
Memory systems like disk drives are usually sensitive to vibrations. In a consumer electronics environment, with reproduction of audio, this is a problem because audio reproduction means...
US20090027796 INFORMATION RECORDING DEVICE AND CONTROL METHOD THEREFOR  
According to one embodiment, an information recording device comprises, when writing asynchronous data not recorded in a disk-like recording medium among data recorded in a non-volatile memory by...
US20100172045 CALIBRATION OF AN AUTOMATED DATA STORAGE LIBRARY WITH A CARTRIDGE-LIKE ELEMENT  
Calibration of an automated data storage library having a plurality of storage slots configured to store at least one data storage cartridge. An element is placed in one of the plurality of...
US20100007979 MAGNETIC DISC APPARATUS, GAS SENSOR, AND THEIR MANUFACTURE METHOD  
A magnetic recording medium having a first lubricant layer formed on the surface thereof and a gas sensor are disposed in a housing. The gas sensor detects gas by adsorbing the gas on a detection...
US20080239537 DISK RECORDER MANAGEMENT APPARATUS AND DISK RECORDER MANAGEMENT METHOD  
According to one embodiment, a disk recorder management apparatus includes: a connection part to which a disk recorder is connected; an initial connection judging unit judging whether or not the...
US20060028748 Storage system using superparamagnetic particles  
An information carrier (10) has an information plane that has a pattern of superparamagnetic material constituting an array of storage locations (11). The presence of a specific superparamagnetic...
US20070091498 Information processing apparatus, data storage method, and data storage program  
An information processing apparatus includes a hard disk drive that includes a hard disk, a writing unit that writes a data file to the hard disk, a reading unit that reads the data file written...
US20090225461 DATA STORAGE DEVICE  
A device for storing data includes: a medium for storing data, the medium having a plurality of areas in a circumferential direction; a head including a read element for reading data from the...
US20110075288 MAGNETIC RECORDING MEDIUM  
A novel magnetic recording medium is disclosed in which a plurality of magnetic data recording layers and navigation layers are separate from one another. By decoupling the navigation and data...

Matches 1 - 50 out of 137 1 2 3 >