Quotables
"What, sir, would you make a ship sail against the wind and currents by lighting a bonfire under her deck? I pray you, excuse me, I have not the time to listen to such nonsense."
Napoleon Bonaparte ; When told of the Robert Fulton steamboat
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| Number | Title | Issue Date |
| 8169730 | Suppressing adjacent track interference/far track interference (ATI/FTI) in a hard disk drive (HDD) by an external magnetic field A hard disk drive (HDD) comprising a magnetic disk that includes a data storage surface and an external magnetic field parallel to the data storage surface for suppressing track interference. ... | 05/01/2012 |
| 8094399 | Magnetic recording apparatus provided with microwave-assisted head A magnetic recording apparatus includes a magnetic recording medium having a magnetic recording layer, a thin-film magnetic head with a microwave-band magnetic drive function, the head having a write field generation means that generates a write field to the magneti... | 01/10/2012 |
| 8027115 | Data recording apparatus for recording a data signal onto a magnetic recording medium and data recording system using the data recording apparatus A data recording apparatus and a data recording system of the present invention includes buffer memories 2a to 2c that accumulate data in a plurality of channels transferred from an external appliance on a channel basis, a data selector | 09/27/2011 |
| 8009378 | Storage device and information processing apparatus According to one embodiment, a power management module of a storage device executes a process of stopping rotation of a disk storage medium by selectively using one of a first mode of stopping the rotation of the disk storage medium on condition that a media access ... | 08/30/2011 |
| 7982994 | Multi-level recording on shingled coherent magnetic media A data storage system includes recording media with a shingled track pattern of multiple data tracks in which mapped data bits are recorded. The mapped data are coherently aligned with one another across the multiple data tracks. A read head has an effective read he... | 07/19/2011 |
| 7957084 | Extraction of transducer position information from bit patterned magnetic media Extracting transducer position information from bit patterned magnetic media includes providing a magnetic storage medium having at least one data array with multiple discrete and separated recording bits and providing the transducer adjacent the data array. A readb... | 06/07/2011 |
| 7940485 | Magnetic recording and reproducing apparatus having a magnetic read head with a spin-torque oscillator A magnetic recording and reproducing apparatus includes a magnetic head that has a spin-torque oscillator and a magnetic disk and the spin-torque oscillator detects a magnetic field from the magnetic disk and outputs a signal. A criterion used to determine the rotat... | 05/10/2011 |
| 7936530 | Method to write ramp-track The present disclosure includes systems and techniques relating to writing ramp-tracks on a computer readable medium. In some implementations, a trajectory is identified across previously written tracks on a surface of a machine-readable medium for a read-write head... | 05/03/2011 |
| 7911726 | Managing data storage media and multiple cartridge memories of a data storage cartridge A data storage cartridge comprises data storage media configured to store data for read and/or write access, wherein the data may be arranged in a plurality of partitions; and a plurality of cartridge memories. A control system, for example of a data storage drive, ... | 03/22/2011 |
| 7907363 | Managing data storage media and multiple cartridge memories of a data storage cartridge A data storage cartridge comprises data storage media configured to store data for read and/or write access, wherein the data may be arranged in a plurality of partitions; and a plurality of cartridge memories. A control system, for example of a data storage drive, ... | 03/15/2011 |
| 7864472 | Floppy disk interface with multiple disk images A data storage device has a housing having a size and shape compatible with being inserted into a floppy disk drive. A data storage unit is provided within the housing for storing a plurality of floppy disk data images. A rotating hub is mounted in the housing to re... | 01/04/2011 |
| 7864473 | Electric field applying magnetic recording method and magnetic recording system A method for writing information on a highly coercive recording medium stably with an electric field applied through a metal probe and with a magnetic field applied from external and an information recording system that employs the method. The recording medium inclu... | 01/04/2011 |
| 7835100 | Logic operations on a hard disk drive A method of how to perform logic operations on a hard disk drive with magnetic media capable of superimposing the binary information is invented. Such media contain magnetic particles with different anisotropy fields and different anisotropy axes orientations. Three... | 11/16/2010 |
| 7826161 | 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 disclosed. Each of the objects has an attribute that is determinative of ... | 11/02/2010 |
| 7791829 | Apparatus for assisting write operation using high frequency magnetic field in disk drive According to one embodiment, a disk drive having a spin torque oscillator and designed to perform high frequency assisted writing. The disk drive has a magnetic disk, a magnetic head, a coil, and a drive current controller. The drive current controller controls a dr... | 09/07/2010 |
| 7688536 | Variable power write driver circuit A storage system (e.g., a magnetic disk system or a magnetic tape system) employing a write head, a write controller and a write driver circuit. In operation, the write head records data on a magnetic media (e.g., a magnetic tape or a magnetic disk) based on a flow ... | 03/30/2010 |
| 7660063 | Managing data storage media and multiple cartridge memories of a data storage cartridge A data storage cartridge comprises data storage media configured to store data for read and/or write access, wherein the data may be arranged in a plurality of partitions; and a plurality of cartridge memories. A control system, for example of a data storage drive, ... | 02/09/2010 |
| 7643236 | Centrifugal machine A centrifugal machine comprises a rotor drivable and rotatable by a motor while holding a specimen, and including a recording medium for recording data therein; a Peltier element, when a voltage is applied thereto, for controlling the temperature of the rotor; a rec... | 01/05/2010 |
| 7554757 | Magnetic storage write heads using micro-electro mechanical shutters A write head for a magnetic storage system energizes a write coil for a plurality of bit intervals and selectively shutters the magnetic field to alter a magnetic domain of a magnetic storage medium for each bit interval. The position of the shutter may be controlle... | 06/30/2009 |
| 7551380 | Method for writing a servo pattern in tape A tape has a component of magnetization pointing out of a plane of the tape. To write a pulse of a servo pattern to the tape, the tape is passed over a write head with a conventional write gap. Current having a fixed polarity is provided to the write head. Once the ... | 06/23/2009 |
| 7508612 | Asperity data storage system, method and medium An asperity data storage system wherein asperities are used to represent stored data. The asperity data storage system includes an asperity transducer that thermally interacts with a data storage medium adapted to store an information-encoded pattern of asperities t... | 03/24/2009 |
| 7502188 | Magnetic recording medium, magnetic storage and method for reproducing information from magnetic recording medium A magnetic recording medium includes a first magnetic layer; and a second magnetic layer formed on the first magnetic layer. The first magnetic layer and the second magnetic layer make exchange coupling therebetween and also, have their magnetizing direction in anti... | 03/10/2009 |
| 7463440 | System for improving performance writing streaming tapes A method for efficiently saving data to tape, preferably within the ANSI X3.27 standard format sends signals to the tape drive to allow the tape drive to buffer the required tape marks, which the standard requires. Although the standard presumed these would be requi... | 12/09/2008 |
| 7457067 | Method of controlling a recording current, and magnetic disk device Embodiments of the invention make it possible to conduct stable recording on a magnetic disk, even in case of changes in flying height due to thermal protrusion. In one embodiment, a compensatory recording current value A2 is used when a first section of user... | 11/25/2008 |
| 7443625 | Magnetic disk drive In the present invention, by making the width of the write element larger than the track pitch and securing a write magnetic field strong enough to reverse the magnetization of the magnetic layer, and further by writing while shifting a write head comprising the wri... | 10/28/2008 |
| 7430086 | Discrete track recording method, storage apparatus and method of producing storage apparatus A discrete track recording method records information on a magnetic recording medium having mutually adjacent tracks that are separated in advance by a groove. The discrete track recording method carries out a recording using a recording head having a core width in ... | 09/30/2008 |
| 7428115 | Magnetic hard disk drive with countermeasure against spike noise Embodiments of the invention provide a countermeasure against spike noise maintaining the data reliability of a magnetic recording layer. In one embodiment, the magnetic domain state right below and around the read head of the soft magnetic layer in the recording me... | 09/23/2008 |
| 7418599 | Deterring theft of media recording devices by encrypting recorded media files Techniques are disclosed for deterring theft of media recording devices. Input received from a sensor, or some portion of the input, is encrypted prior to storing a media file. A decryption key must be provided when the media file is to be played back. If the key is... | 08/26/2008 |
| 7412153 | Information recording device and method, and information recording system In recording information, an SMPTE 339M-defined UMID buried in video and audio material signals to be recorded to a magnetic tape (30) or a UMID generated from information other than the material signals, is written to a contactless memory tag (37), wh... | 08/12/2008 |
| 7397623 | Using a mechanical stop for determining an operating parameter of a data handling device Several readings of an actuator's location are taken with a given head while urging the actuator against a mechanical stop, which acts as a guide. These readings are useful, for example, for estimating certain offsets or for determining a nominal track range for a d... | 07/08/2008 |
| 7375910 | Data storage cartridge having a plurality of cartridge memories A data storage cartridge comprises data storage media configured to store data for read and/or write access, wherein the data may be arranged in a plurality of partitions; and a plurality of cartridge memories. Each cartridge memory comprises a communication interfa... | 05/20/2008 |
| 7372655 | Information-processing apparatus, information-processing method, programs and recording mediums Attributes of data recorded on a magnetic tape are stored in an attribute information table saved in an MIC (Memory in Cassette) of a tape cassette accommodated in a tape streamer drive connected to a host computer. The attributes are recorded for every identifier u... | 05/13/2008 |
| 7372673 | Magnetoresistive effect transducer having longitudinal bias layer and control layer directly connected to free layer In a magnetoresistive effect transducer including a pinning layer, a pinned layer, a free layer and a non-magnetic layer inserted between the pinned layer and the free layer, a longitudinal bias layer is connected directly to a part of the free layer to apply a bias... | 05/13/2008 |
| 7369375 | Magneto-resistance effect element and magneto-resistance effect head A magneto-resistance effect head is provided with a lower conductive layer which is provided with a recessed portion, and a vertical bias layer is provided in the recessed portion. A first magnetic layer is provided on the lower conductive layer. On the first magnet... | 05/06/2008 |
| 7369360 | Perpendicular recording head having controlled permeability and saturation moment A method and apparatus having magnetic properties. The apparatus includes a main pole and a return pole spaced apart from the main pole. The return includes at least one multilayer block having a plurality of alternating layers of magnetic material and non-magnetic ... | 05/06/2008 |
| 7366950 | Information processing apparatus with resume function and information processing system An information processing apparatus having a resume function which can maintain the security even when a plurality of users commonly use the apparatus. A work state at a power-off time of the apparatus is preserved together with a work state name including a user's ... | 04/29/2008 |
| 7362532 | Hard disk device having normal and low density memory regions A hard disk device includes a magnetic disk for storing data, a temperature sensor for detecting an ambient temperature and a controller for controlling operation of the hard disk device. The magnetic disk has a first memory region where data are memorized with a hi... | 04/22/2008 |
| 7355805 | Magnetic tape and method of manufacturing magnetic tape, servo writer, and method of and apparatus for specifying servo band Data for specifying servo bands SB1 to SB5 is embedded in each servo signal S1 to S5 that is written on a plurality of servo bands SB1 to SB5 formed on a magnetic tape MT. ... | 04/08/2008 |
| 7352541 | CPP GMR using Fe based synthetic free layer A current perpendicular to plane (CPP) giant magnetoresistive (GMR) sensor having an antiparallel coupled free layer including a first magnetic layer of Fe and a second magnetic layer of FeXN, where X can be Al or Ta. The first and second magnetic layers of the free... | 04/01/2008 |
| 7352993 | Data reproducing apparatus and data reproducing system A data reproducing system of the invention includes a data transmitter for transmitting a data signal containing audio data by air and a data receiver for receiving the data signal by air from the data transmitter. The data receiver includes a data receiving section... | 04/01/2008 |
