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7616396 |
Data reproducing apparatus and data reproducing method
A header information acquiring section is operable to acquire header information of reproduction data to be reproduced from a hard disk. A bit rate information extracting section is operable to...
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7609473 |
Dissipation of liquid droplets in a magnetic disk drive
Magnetic disk drives and associated methods are described for an improved process for dissipating liquid droplets that may accumulate on a slider of the magnetic disk drive. For the droplet removal...
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7609472 |
Power and thermal management for a hard drive
According to certain embodiments of the present invention, a data storage device is provided. The exemplary data storage device includes actuation mechanism control circuitry configured to...
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7609471 |
Tape cartridge auxiliary memory containing tape drive functional status information
A data storage library is described including a plurality of tape cartridges each possessing an auxiliary radio frequency memory device. The library also includes, at least one tape drive capable...
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7599141 |
Disk drive apparatus, electronic circuit for disk drive apparatus and powering method therefor
According to one embodiment, a disk drive apparatus includes a disk having a plurality of tracks formed of approximately concentric patterns, a head slider reading and writing data from and to the...
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7589928 |
Magnetic recording device including a thermal proximity sensor
A system includes a magnetic device for writing to and reading from a magnetic medium and a sensor disposed adjacent to the magnetic device and proximate to the magnetic medium. The sensor...
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7580215 |
Disk drive apparatus and imaging apparatus having the disk drive apparatus for controlling a state thereof based on a detected temperature
A disk drive apparatus having access to a disk-shaped recording medium includes: a temperature detecting mechanism configured to detect an internal temperature; and a temperature control mechanism...
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7576936 |
Method of starting the magnetic disk device using fluid dynamic bearing spindle motor
Embodiments of the present invention provide a magnetic disk device including a spindle motor using a fluid dynamic bearing, which can send back READY within a period requested by a host system at...
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7564639 |
Energy efficient disk scheduling for mobile applications: adaptively extending the disk standby time
A total amount, M, of memory is allocated over streaming data buffers ( 86 ). The memory is partitioned over a set of streams ( 88 ), each stream being given a partitioned amount of buffer memory....
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7561363 |
Recording apparatus, server apparatus, recording method, program, and storage medium
A data recording apparatus recording data of a CD on an HDD in a manner such that the content of record in the CD is faithfully accounted for and shortening an operation time for a synchronized...
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7554759 |
Mechanism for isolating marginal recording to media or recording apparatus
In one embodiment, a method and apparatus for isolating marginal recording to media or recording apparatus is disclosed. The method includes generating an experience metric from an interaction...
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7554758 |
Disk array unit
A disk array unit connected to a host unit to give information thereto and receive information therefrom. The disk unit includes a plurality of disk units for storing information transmitted from...
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7551385 |
Systems and method for selectively controlling a state of hydration of a magnetic data storage medium
A magnetic storage system according to one embodiment includes a magnetic head adapted for at least one of reading from a magnetic medium and writing to the medium; a drive mechanism for directing...
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7543196 |
Apparatus for testing integrated circuit
An apparatus for testing integrated circuits is disclosed. The apparatus for testing integrated circuits comprises an integrated circuit and a tester. The integrated circuit undergoing testing...
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7542226 |
Algorithm decoupling altitude effect from temperature/humidity sensor
A hard disk drive that calculates an environmental condition, such as altitude, without a sensor. The disk drive includes a temperature sensor that senses a disk drive temperature and a humidity...
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7542225 |
Disk drive idle mode responsive to flex circuit cable bias changes
Disclosed is disk drive comprising an actuator including a head, a disk having a plurality of tracks, and a processor to control the movement of the actuator and the head relative to the disk. The...
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7539751 |
Media information distribution and recording system, and apparatus and program-recorded medium for the system
A media information distribution and recording system for distributing media information from a central apparatus to terminal apparatus through a network and for recording the media information on...
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7538963 |
System, method, and apparatus for monitoring stray magnetic fields and protecting disk drives therefrom
A disk drive that protects stored data from stray magnetic fields is disclosed. Sensors for sensing stray magnetic fields are mounted to the base and/or cover of the drive and aligned with the...
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7532428 |
Soft touch clamp actuation mechanism
A clamping mechanism having clamping jaws is provided for holding an object. The clamping mechanism comprises a solenoid pad connected to at least one of the clamping jaws which is operative to...
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7531975 |
Adjustable frequency PWM driver
A spindle/voice coil motor (VCM) driver includes a clock management module that receives a system clock signal and a second clock signal, and that selects one of the system clock signal or the...
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7529058 |
Track pitch examination method of storage apparatus, program, and storage apparatus
Track pitches of all the tracks of a disk medium provided in a storage apparatus are examined in a manufacturing examination step. First of all, a target position path which varies a target track...
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7525749 |
Disk array apparatus and disk-array control method
A failure predicting unit predicts a failure in a hard disk device that forms a disk array. A data transferring unit transfers data from a failure-predicted hard disk device for which the failure...
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7518818 |
Magnetic disk drive with flying height control system
Embodiments of the invention appropriately control the flying height of a magnetic head slider as necessary without making the magnetic head slider touch the magnetic disk. In one embodiment, when...
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7518816 |
Method and apparatus for disc drive data security using fields in servo wedges
The present invention includes a method and apparatus to write and read copy protected data on a disc drive storage system by encoding and decoding data to be copy protected using servo wedge data...
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7508614 |
Data storage drive having movement sensors
A drive for data storage includes a first component and a second component movable with respect to the first component. The drive also includes a first sensor and a second sensor. The first sensor...
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7505224 |
Management of data cartridges in multiple-cartridge cells in an automated data storage library
In an automated library, data cartridges, such as magnetic tape cartridges, are stored in storage cells and accessed by data storage drives. An accessor with a gripper transports cartridges between...
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7505222 |
Algorithm to detect the touch down of the flying head on disk
A disk drive that contains a fly on demand head (FOD) and a process for determining contact between the FOD head and a disk. The head includes a heating coil that can receive various levels of...
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7502190 |
Information recording/reproduction apparatus having hard disk device incorporated therein
A DVD recorder includes a control portion operating in response to a signal received via a monitor portion from a temperature sensor provided internal to a casing of a hard disk device. If the...
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7495858 |
Information processing apparatus having built-in hard disk drive and head retraction processing method of built-in hard disk drive
An information processing apparatus includes a hard disk drive, an acceleration sensor, and a determination section. The hard disk drive is capable of moving a head of the hard disk drive to a...
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7492542 |
Method for storing and accessing data from a multi-controller and multi-actuator storage device
A method of storing and accessing data from a storage device. The method includes providing a storage that includes a first interface associated with a read-write head configured to read and write...
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7492541 |
Apparatus and method of monitoring hard disk drive
An apparatus and method of monitoring a hard disk drive (HDD) include a HDD motor state detector for detecting the state of the motor of the HDD. Because the control information on the HDD is not...
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7486463 |
Power disturbance compensation
A method for compensating for a disturbance in power from a power supply, wherein the disturbance without the compensating would otherwise affect a positioning apparatus coupled to the power...
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7486462 |
Available library capacity
A data storage library is described including a plurality of tape cartridges each of which substantially houses a tape medium with a known storage capacity that includes both available storage...
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7480113 |
Tape drive apparatus
A tape drive apparatus has a data transfer apparatus for transferring data between a loaded tape medium and the tape drive apparatus. A data processing apparatus is coupled to the data transfer...
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7480112 |
Disk drive apparatus having shock adaptive filters
According to one embodiment, a disk drive apparatus includes a sensor to detect mechanical shocks to the disk drive apparatus and to provide a shock output signal representative of such mechanical...
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7480111 |
Data library device
Magazine insertion is detected and suction of the magazine toward the deep end of a data library device casing is started. An identification code recorded on a recording medium cassette contained...
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7474496 |
Micro actuator DC gain calibration scheme for HDD dual-stage actuator systems
A servo system for a hard disk drive comprising a first actuator, a second actuator, a head, and a disk on which is formed a plurality of tracks containing servo data. The servo system comprises a...
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7474490 |
Disk drive with reduced vibration due to rotational acceleration of a spindle motor
Embodiments in accordance with the present invention provide a disk drive that ensures quieter rotational acceleration of a recording disk. Certain embodiments relate to a hard disk drive that...
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7474489 |
Storage medium housing device
In a magnetic tape device, upon receiving a magnetic tape cartridge from an insertion slot, an authentication unit reads data that is stored in an electronic tag and based on the read data, checks...
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7469314 |
Magnetic tape write once overwrite protection
A magnetic tape cartridge, a recording system, and a magnetic tape drive are configured to, for example, guard against tampering with a write once overwrite protection pointer which allows a...
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7468853 |
Storage apparatus and control method therefor
A storage apparatus comprises at least one housing A in which a storage device and a controller are provided, at least one housing B in which a storage device and a peripheral device are provided,...
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7461219 |
Disk drive and method for performing realtime processing and non-realtime processing simultaneously
Embodiments of the invention ensure both a realtime nature of a realtime processing and data integrity of a non-realtime processing and perform the both processings efficiently when the realtime...
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7460330 |
Settling judgment method for positioning control device and positioning control device
In a settling judgment method for judging whether an object is settled in a target position, the settlement is judged accurately at high-speed. In a positioning device for controlling a position of...
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7457068 |
Magnetic disk drive with efficient power generation
Embodiments of the invention provide a magnetic disk drive having increased efficiency of generation of power for its internal low-voltage blocks. In one embodiment, a magnetic disk drive comprises...
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7453660 |
Shock feed forward adaptive filters
A disk drive device has a shock sensor that detects mechanical shocks to a disk drive device to provide a shock output signal representative of such mechanical shocks. The shock output signal may...
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7450332 |
Free-fall detection device and free-fall protection system for a portable electronic apparatus
In an integrated free-fall detection device for a portable apparatus an acceleration sensor generates acceleration signals correlated to the components of the acceleration of the portable apparatus...
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7450331 |
Variable mobile media storage system
Disclosed is a method and apparatus for a variable media tape based storage system for storing, retrieving, and communicating data. The system includes at least one media element having a...
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7450330 |
Library apparatus, control method and control program thereof, and information processing apparatus
Disclosed is a configuration to implement a robot replacement in a library apparatus while maintaining an electrically-activated state. In such a configuration, the library apparatus storing a...
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7443628 |
Storage apparatus, spindle motor control method, and program
A default gain table stores values of loop gain of a spindle motor control unit predetermined for each number of media. A loop gain setting unit detects the number of media, reads out a loop gain...
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7443627 |
Lowest power mode for a mobile drive
A hard disk drive enters a low power mode to reduce power consumption. To maintain communication with a host device, a communication interface remains energized along with a circuit portion storing...
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