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US20110075290 |
SYSTEMS AND METHODS FOR ADJACENT TRACK INTERFERENCE (ATI) RISK MANAGEMENT
Embodiments of the invention broadly contemplate systems, methods and arrangements for managing Adjacent Track Interference (ATI) risk through intelligent management of a table that logs... |
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US20120026624 |
MAXIMIZING PERFORMANCE UNDER A POWER ENVELOPE CONSTRAINT
The present invention is a method of maximizing drive performance under any power constraint. In one embodiment, the method includes actively adjusting a seek power draw based on a comparison of... |
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US20080123211 |
Solid state device pattern for non-solid state storage media
A method and apparatus for receiving data at a non-solid state storage device, which includes a store cache and a storage medium. The received data is written to the store cache and transferred... |
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US20140177088 |
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... |
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US20070030584 |
Compressed domain commercial detect/skip
An apparatus comprising an encoder circuit, a recordable medium, and a decoder circuit. The encoder circuit may be configured to generate (i) a first recordable signal and (ii) a second recordable... |
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US20080259482 |
Fabrication of discrete track media for narrow groove and improved reliability
A magnetic media that has at least one groove. The groove is created by a process that includes initially forming a temporary layer over a magnetic layer of the disk. One or more grooves are... |
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US20090310241 |
Method of operating information storage device using magnetic domain wall movement
A method of operating an information storage device using a magnetic domain wall movement in a magnetic nanowire is provided. The magnetic nanowire includes a plurality of magnetic domains and... |
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US20080094745 |
Playback equipment and supplying method in playback equipment
According to one embodiment, a playback equipment includes a recording section which records information on a magnetic disc C, a motor which rotates the magnetic disc, a nonvolatile memory B which... |
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US20100134914 |
HARD DISK SECTOR/TRACK REMAPPING FOR TRANSPARENT WEAR LEVELING
The present principles provide methods for storing the write counts for each track on the track or alternatively in NVRAM in the hard disk. Most hard disks already have a mechanism to remap a... |
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US20050207052 |
Predictable journal architecture
Described are methods, systems, and apparatus, including computer program products for achieving a predictable journal architecture, as well as data store recovery therefrom. A predictable journal... |
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US20090207518 |
Microdisk array apparatus using semiconductor automated equipment
The present invention discloses a microdisk array apparatus using semiconductor automated equipment, and the apparatus is installed into a space of a 3.5-inch IDE hard disk of the semiconductor... |
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US20100046109 |
INFORMATION STORAGE APPARATUS AND REPRODUCTION METHOD
An information storage apparatus includes: a recording medium on which first information is recorded by a physical arrangement of magnetic bits and second information is recorded by magnetizing... |
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US20090086357 |
IN DRIVE WRITTEN SPIRALS FOR SELF SERVO WRITING
A method of self servo writing is shown. In example embodiments, spirals or other indexing patterns can be written entirely within a hard disk drive, thus enabling self servo writing of the entire... |
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US20130321945 |
POWER SUPPLY CIRCUIT FOR HARD DISK DRIVE
A power supply circuit for powering first and second groups of hard disk drives in a cabinet, includes a connector and first to third connection units. When there is only one server in the... |
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US20100302670 |
DISK DRIVE
To provide a disk drive capable of inhibiting the occurrence of acoustic noise caused by a voltage pulse when the head is retracted using a speed control method using voltage obtained by... |
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US20070177294 |
Method for solving heat dissipation problems of computer system and modularized computer system for performing the method
A modularized computer system includes multiple independent devices including a mini computer host, a power supply, an optical disk drive, a hard disk drive, and a television signal processor... |
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US20140078609 |
ACCESS TO MIGRATED TAPES
A system including a tape library and a tape drive. The tape library identifies which tapes in the tape library include one or more migrated tapes. The tape drive provides access to each migrated... |
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US20130044388 |
VOLTAGE ADJUSTMENT CIRCUIT FOR STORAGE MEDIA
A voltage adjustment circuit for a storage medium includes a storage medium interface, a storage medium control chip, and a switch module. When the storage medium is read or written to by the... |
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US20080186610 |
APPARATUS, SYSTEM, AND METHOD FOR AN "M" SERVO PATTERN
An apparatus, system, and method are disclosed for an “M” servo pattern. A servo pattern write module is included to simultaneously create a first servo mark, a second servo mark, a third servo... |
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US20080002272 |
Object based storage device with storage medium having varying media characteristics
An apparatus having a storage medium that includes a first region having a first characteristic and a second region having a second characteristic for storage of a plurality of data objects is... |
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US20100002329 |
PLANARIZATION METHODOLOGY FOR TOPOGRAPHICALLY CHALLENGED MEDIA SURFACE
The present invention relates to a device for magnetic recording that includes a storage medium having a media surface. The media surface has a plurality of lands and recesses between the lands. A... |
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US20050141134 |
System and method for disk formatting
The gap of a write head on an arm of a rotating media storage device is positioned at an angle off perpendicular from an arm chord, which is a line defined from the center of the gap to the center... |
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US20070047122 |
TAPE HEAD HAVING WRITE DEVICES AND NARROWER READ DEVICES
A magnetic head, such as a tape head, according to one embodiment includes an array of data writers for writing to multiple data tracks on a magnetic medium, a width of the array being defined... |
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US20120113541 |
Magneto-Elastic Anisotropy Assisted Thin Film Structure
A method includes activating a stress-effecting layer of a thin film structure, having the stress effecting layer adjacent to a magnetic layer, to induce a magneto-elastic anisotropy in the... |
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US20090040643 |
METHOD AND APPARATUS FOR WRITING TIMING BASED SERVO TRACKS ON MAGNETIC TAPE USING COMPLEMENTARY SERVO WRITER PAIRS
Method and apparatus for writing timing based (servo) tracks on magnetic recording tape using complementary servo writer pairs. A magnetic tape intended to store, for instance, computer data... |
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US20070279790 |
ADJUSTABLE OUTPUT VOLTAGE REGULATOR FOR DISK DRIVE
A method and circuit for powering a disk drive device involves determining an operating condition of the disk drive device. A power mode is selected consistent with the determined operating... |
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US20050243457 |
Method and apparatus for degaussing write head in a disk drive
A disk drive which includes a head amplifier having a function of degaussing a magnetic head effective to suppression of an EAW phenomenon is disclosed. The head amplifier includes a degaussing... |
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US20060291083 |
Cinematic media content storage system including a digital storage memory module
Pursuant to these various embodiments, a cinematic media content storage system can be comprised of a memory module interface (503 and 504) and at least one digital storage memory module (100).... |
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US20090034110 |
DISK DRIVE APPARATUS AND MULTI-TASKING METHOD
A disk drive apparatus is shown that provides multi-tasking of firmware and hardware separately. A shared data structure is shown that permits queuing of multiple task requests and storing of... |
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US20110205659 |
SERVO WRITER AND METHOD FOR MANUFACTURING MAGNETIC TAPE WITH SERVO SIGNAL WRITTEN THEREON
In a servo writer, a write signal generator circuit is configured to output a signal for writing a servo signal to a servo write head disposed to allow a magnetic tape to slidably contact... |
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US20090027797 |
Data Storage And Manipulation
A data storage device comprises: a data member comprising means for storing data on a surface thereof; and a data retrieval member. The data retrieval member comprises: a plurality of heads for... |
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US20110205658 |
Automatically Detecting Discrepancies Between Storage subsystem Alignments
A computer-implemented method and apparatus for detecting misalignment in a data storage stack by opening a first storage layer in the data storage stack, performing a plurality of accesses of the... |
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US20100075178 |
WRITING AND READING MULTI-LEVEL PATTERNED MAGNETIC RECORDING MEDIA
A method and apparatus for writing magnetization states in a pair of magnetic islands of a multi-level patterned magnetic recording medium and a method and apparatus for reading readback waveforms... |
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US20080266692 |
MAGNETIC DISK DEVICE AND DATA WRITING METHOD THEREOF
A data writing method to write data on a disk in a disk device. The data is written in one radial direction. The method includes detecting a first deviation amount from a center in a current track... |
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US20120194941 |
WRITING TIMING-BASED SERVO PATTERNS IN PERPENDICULAR AND NON-ORIENTED MAGNETIC MEDIA
A method and apparatus for bipolar writing of servo marks to perpendicular and non-oriented magnetic recording medium. The method includes applying a varying current to a servo write head to... |
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US20100091399 |
ARCHITECTURE FOR DATA STORAGE SYSTEMS
A system includes N first-in first-out (FIFO) modules, a buffer manager module, and N input/output (I/O) modules, where N is an integer greater than 1. The buffer manager module retrieves a set of... |
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US20060119973 |
Read/write head apparatus and method
Systems and methods for writing and reading digital information to and from tracks on a platter side of an electromagnetic disk drive system are disclosed. Embodiments of the present invention... |
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US20090195904 |
MAGNETIC ROM INFORMATION CARRIER
The invention relates to a method of manufacturing a device (10) comprising a layer (12) having a pattern of disjunct portions (14) of magnetic material (18) generating a corresponding pattern of... |
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US20090002868 |
Read after write enhancement for bit patterned media
A read/write head for use with bit-patterned media detects write synchronization errors between a write clock and the bit-patterned media. In particular, the read/write head writes data to the... |
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US20090213482 |
APPARATUS AND METHOD FOR WRITING DATA ONTO A TAPE
An apparatus and method for writing data to be played back onto a tape is provided. Included is an acquisition unit for acquiring data to be written onto the tape, a writing unit for writing the... |
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US20070153419 |
Perpendicular magnetic record medium and magnetic storage system
Embodiments in accordance with the invention realize a perpendicular magnetic record medium with a high media S/N and excellent corrosion resistance. In a perpendicular magnetic record medium in... |
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US20110181977 |
METHOD OF WRITING SERVO PATTERN TO DISK OF A HARD DISK DRIVE AND HARD DISK DRIVE CONFIGURED TO PERFORM THE METHOD
A method of writing a servo pattern of a hard disk drive includes measuring the speed of a head of the hard disk drive by reading a basic servo pattern written to only select ones of the data... |
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US20100033864 |
METHODS OF FORMING AND READING SERVO TRACK AND DATA STORAGE APPARATUS
A method of forming a servo track on a recording medium includes; forming a magnetic layer, defining a first servo track region having a plurality of first magnetic segments and a second servo... |
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US20130070360 |
PORTABLE MEDIA PLAYER DEVICE
A portable media player device includes a built-in mobile virtual private network and housing. A touch screen is mounted on the housing. A memory unit within the housing stores local and remote... |
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US20080316632 |
METHOD FOR READING DATA FROM A MAGNETIC RECORDING TAPE
A method for reading data from a magnetic recording tape having multiple adjacent data tracks according to one embodiment includes simultaneously detecting signals from a plurality of read... |
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US20130070361 |
MAGNETIC MEDIUM AND WRITING AND READING METHOD
According to one embodiment, a magnetic medium includes at least one recording layer including a first magnetic layer, a second magnetic layer and a non-magnetic layer. The first magnetic layer is... |
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US20050122610 |
Rapid availability of critical data through reallocation
A hard drive retrieves critical data determined to be requested by a host device in the near future and re-allocates the critical data on the hard drive medium. The hard drive provides the... |
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US20070047125 |
Hard disk recorder
When recording the picture data or voice data on the hard disk, the encrypted data is generated through the encryption process with the serial number as the key based on the file system, and the... |
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US20120033322 |
DISK DRIVE TRACK ADDRESS ENCODED WITH A SERVO SECTOR ADDRESS
A servo sector address and a track address of a recording medium of a disk drive are encoded into a combined address value. The combined address value is stored in a combined address field that... |
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US20080239543 |
METHODS AND APPARATUS FOR GENERATING A HARD DRIVE WRITE SIGNAL
Methods and apparatus for generating a hard drive write signal are here in disclosed. A disclosed method comprises generating a hard drive write signal on an output of a switch based on an edge of... |