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Dynamic magnetic information storage or retrievalBelow are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application. 05/09/2013 > 7 patent applications in 6 patent subcategories.
20130114159 - Method of writing a preamble field on a disk drive to reduce track squeeze: Preamble fields are written on a storage disk in a hard disk drive in a way that reduces track squeeze. Preamble fields for a particular data storage track on the storage disk are written over multiple revolutions of the storage disk to eliminate low-frequency variations of the preamble stitch line... Agent: Toshiba America Electronics Components, Inc.
20130114160 - Base for motor and hard disk drive including the same: There is provided a base for a motor, the base including: a base body formed by performing press processing on a steel plate, a base material; an outer wall part defining an outer edge of the base body and formed by being bent from an end portion of the base... Agent: Samsung Electro-mechanics Co., Ltd.
20130114161 - Data storage system and a method for measuring a change in a spacing between a head and a storage medium of a data storage system: A method for measuring a change in a spacing between a head and a storage medium of a data storage system. The method includes obtaining a first readback signal from the storage medium using the head at a first spacing between the head and the storage medium, determining a first... Agent: Agency For Science, Technology And Research
20130114162 - Hard disk drive system with off track detection mechanism and method of manufacture thereof: A method of manufacture of a hard disk drive system includes: providing a base circuit board having a shock sensor and vibration sensors thereon; electrically connecting translational shock detect circuitry directly to the shock sensor for transmission of a translational shock signal; electrically connecting rapid off track shock detection circuitry... Agent:
20130114163 - Magnetic storage device with dual stage humidity control: Approaches for desiccant device having a dual stage humidity control for use within sensitive electronic equipment. Electronic equipment, such as a hard-disk drive (HDD), may comprise a desiccant device that comprises a first absorbing portion that comprises a first desiccant material and a second absorbing portion that comprises a second... Agent:
20130114164 - Manufacturing methods for write heads with floating side shields: A write head has a pole tip, a write yoke connected to the pole tip, a write return yoke, a write shield, and one or more side shields disposed in close proximity to the pole tip. The write return yoke connects to the write yoke on one end and the... Agent: Seagate Technology LLC
20130114165 - Fept-c based magnetic recording media with onion-like carbon protection layer: A magnetic media for magnetic data recording having a plurality of magnetic grains protected by thin layers of graphitic carbon. The layers of graphitic carbon are formed in a manner similar to onion skins on an onion and can be constructed as single monatomic layers of carbon. The thin layers... Agent: Hitachi Global Storage Technologies Netherlands B.v.05/02/2013 > 9 patent applications in 7 patent subcategories.
20130107389 - Linking errors to particular tapes or particular tape drives: Techniques to determine particular bad tapes or tape drives. All tape and tape drive combinations within a system may be obtained. A read error or a write error that occurs with each tape and tape drive combination may be detected, and the read error, the write error, or a parameter... Agent:
20130107390 - Temperature sensor in a thermally assisted magnetic recording head: A method and apparatus for providing a signal for driving a heating element in a TAR or HAMR enabled disk storage system that includes an optical transducer (or near-field optical source) for further focusing the beamspot of a laser onto a magnetic media, thereby heating the media. The storage system... Agent:
20130107392 - Digital input detector and associated adaptive power supply: Interface circuitry of a storage device or other type of processing device comprises a digital input detector and an adaptive power supply. The digital input detector comprises an input transistor. The adaptive power supply provides a variable supply voltage to the digital input detector that varies with a threshold voltage... Agent: Lsi Corporation
20130107391 - Disk-based storage device having read channel memory that is selectively accessible to disk controller: A hard disk drive or other disk-based storage device comprises a storage disk, a read/write head configured to read data from and write data to the storage disk, and control circuitry coupled to the read/write head and configured to process data received from and supplied to the read/write head and... Agent: Lsi Corporation
20130107393 - Longitudinal position information on a magnetic tape media: A magnetic tape media for storing data includes at least one servo band extending along the magnetic tape media and having servo information encoded by an M-ary alphabet A comprising M>2 different symbols and is arranged in a set of words. Each word of the set of words contains synchronization... Agent: International Business Machines Corporation
20130107394 - System and method for improved free fall detection: An information handling system includes a free fall sensing system having an amplifier and sampling circuit, a sampling data analyzer, a sampling clock duration controller, and a sampling clock generator. The amplifier and sampling circuit is configured to sample data signals from the free fall sensor based on an initial... Agent: Dell Products, Lp
20130107395 - Magnetic head, magnetic sensor, and magnetic recording/reproducing apparatus: A magnetic head according to an embodiment includes: a spin-torque oscillator comprising a first ferromagnetic layer, a second ferromagnetic layer, a third ferromagnetic layer provided on the opposite side of the second ferromagnetic layer from the first ferromagnetic layer, a first nonmagnetic layer provided between the first ferromagnetic layer and... Agent:
20130107396 - Vacuum clearing of spindle particulates: A vacuum scavenged spindle and disk clamp assembly decreases particulate contamination during testing and manufacturing of disks such as hard drive platters. A vacuum shroud is sealed to a casing and fitted to a clamp body attached to or integral with the spindle rotor, with the spindle rotor and the... Agent:
20130107397 - Circuit integrated suspension and method of manufacture thereof: An Extended Circuit Integrated Suspension (ECIS) design and manufacture thereof, to allow for circuit elements to be disposed onto the load beam on the opposite side of the flexure circuit. An Extended Circuit Integrated Suspension (ECIS) may include a load beam; a flexure circuit comprising a plurality of traces; and... Agent: Nitto Denko Corporation04/25/2013 > 7 patent applications in 5 patent subcategories.
20130100550 - Implementing magnetic defect classification using phase modulation: A method, apparatus, and system are provided for implementing magnetic defect classification using phase modulation for hard disk drives. A magnetic media readback signal of a hard disk drive is processed to identify predefined phase modulation (PM) characteristics to implement magnetic defect classification of magnetic media bump and pit defects.... Agent: Hitachi Global Storage Technologies Netherlands B. V.
20130100551 - Method and apparatus for reflection cancellation: A method for calibrating a reflection compensator is provided. A delay is initially set to a predetermined minimum, and an input pulse is transmitted across a transmission line. A compensation current is then applied after the delay. The reflection from the transmission line is digitized to generate a measurement, and... Agent: Texas Instruments Incorporated
20130100553 - Recording medium and apparatus for protecting copyrighted digital data: Copying, dubbing or reproducing copyrighted digital data can be inhibited or restricted to properly protect a copyright. AV data recorded on a pre-recorded tape is output from a reproducing unit of a first digital VCR with protective information indicating whether the copy of the AV data is inhibited or not.... Agent: Sony Corporation
20130100552 - Servo write assembly: A servo write apparatus, comprising a first servo write head configured to only encode a single first magnetic dibit onto a magnetic information storage medium, wherein the first magnetic dibit comprises a first azimuthal slope. The servo write apparatus further comprises a second servo write head configured to encode one... Agent: International Business Machines Corporation
20130100554 - Tape drive head with jointly optimized shield-to-sheild gap and sensor width: A tape drive head includes a set of one or more servo readers designed for reading a servo pattern of a linear recording tape for positioning of the tape drive head, each of the servo readers of the set having: a sensor for sensing a magnetic field component of a... Agent: International Business Machines Corporation
20130100555 - Method of manufacturing the thin-film magnetic head, the thin-film magnetic head, head gimbal assembly and hard disk drive: A thin-film magnetic head is constructed such that a main magnetic pole layer, a lower shield layer, an upper shield layer and a thin-film coil are laminated on a substrate. A method of manufacturing the thin-film magnetic head has a lower shield layer forming step. This step comprises a step... Agent: Headway Technologies, Inc.
20130100556 - Baseplate for disk drive suspension and method for manufacturing baseplate: A cylindrical boss portion is press-formed on a baseplate of a disk drive suspension. The boss portion is penetrated by a ball insertion hole relative to the thickness of the baseplate. The baseplate is formed of stainless steel. A chemically-polished surface is formed on an inner circumferential wall of the... Agent: Nhk Spring Co., Ltd.04/18/2013 > 7 patent applications in 6 patent subcategories.
20130094104 - Head dfh protrusion shape calibration by hdi sensor: Dynamic fly height (DFH) controlled read/write heads using multiple heaters have their heater powers set within a range of ratios that allows minimum clearances to be set between the read-gap and the write-gap and the surface of a disk, thereby providing improved touch-down detection. Determining the correct range of power... Agent: Sae Magnetics (hk) Ltd.
20130094105 - Hierarchical control of tiered error recovery for storage devices: In one embodiment, a tape drive system includes a read channel configured for performing a portion of a data transfer operation, logic adapted for monitoring the data transfer operation for detecting one or more temps within a sliding window spanning a last group of datasets processed, logic adapted for measuring... Agent: International Business Machines Corporation
20130094106 - Low translational load suspension assembly: Implementations described and claimed herein address the foregoing problems by providing a suspension assembly used in a storage device to support a transducer head, wherein the suspension assembly comprises a base plate for attaching to an actuator arm and a moving portion movably attached to the base plate. The base... Agent: Seagate Technology LLC.
20130094107 - Induced transducer head vibration: Vibration of a transducer slider can be used during slider fly height calibration to detect contact of the transducer slider with a disc surface. Amplification of the vibration may cause the transducer slider to tap the disc surface rather than drag across the disc surface when detecting contact with the... Agent: Seagate Technology LLC
20130094108 - Magnetic sensor having cofebta in pinned and free layer structures: A magnetic read sensor having improved magnetic performance and robustness. The magnetic sensor includes a magnetic free layer and a magnetic pinned layer structure. The magnetic pinned layer structure includes first and second magnetic layers separated from one another by a non-magnetic coupling layer. The second magnetic layer of the... Agent: Hitachi Global Storage Technologies Netherlands B.v.
20130094109 - System, method and apparatus for anticorrosion overcoat: A magnetic media disk has a substrate; a recording magnetic media on the substrate; and an overcoat on the recording magnetic media, the overcoat comprising a Si-based layer on the recording magnetic media, and a Ti-based layer on the Si-based layer.... Agent: Hitachi Global Storage Technologies Netherlands B.v.
20130094110 - Suspension clamp for clamping a disk drive suspension to an actuator arm: A suspension clamp is disclosed for clamping a disk drive suspension to an actuator arm. The suspension clamp comprises a housing including a spring operable to bias a latching member, wherein the latching member is rotatable about a pivot. After compressing the spring and rotating the latching member in a... Agent: Western Digital Technologies, Inc.Previous industry: Optical: systems and elements
Next industry: Electricity: electrical systems and devices
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