|Dynamic magnetic information storage or retrieval patents - Monitor Patents|
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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. 12/05/2013 > 15 patent applications in 12 patent subcategories.
20130321944 - Server and method for preventing the server from vibration damage: In a method for preventing a server from a damage vibration, a first system log records detected vibration intensity of the server, and suspends a working operation of the hard disk if the detected vibration intensity of the server is greater than or equal to a predefined vibration intensity is... Agent: Hon Hai Precision Industry Co., Ltd.
20130321945 - 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 cabinet, the first node is connected to the first power terminal of the connector, the first... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd.
20130321946 - Bearing mechanism, motor, and disk drive apparatus: A bearing mechanism includes a shaft portion, a sleeve portion, and an opposing portion including a surface arranged opposite to an end surface of the sleeve portion on one of upper and lower sides with a thrust gap defined therebetween. The thrust gap includes a thrust dynamic pressure bearing portion... Agent: Nidec Corporation
20130321948 - Shingled magnetic recording disk drive with compensation for the effect of far track erasure (fte) on adjacent data bands: A shingled magnetic recording (SMR) disk drive has concentric shingled data tracks having data sectors with physical block addresses (PBAs), with the tracks being arranged in annular bands separated by annular inter-band gaps. The disk drive also has an on-disk extended cache region and may have writable inter-band cache (IBC)... Agent:
20130321947 - Write synchronization in bit patterned media using auxiliary read head: A method for recording data to a magnetic media while simultaneously reading sync and or servo data with reduced noise from the write head affecting the reading of the sync and or servo data. The invention records data using a write head of a first slider and reads the sync... Agent: Hgst Netherlands B.v.
20130321949 - Servo control: A tape head includes a set of one or more segments, wherein each segment of the set is individually movable with respect to a frame; each segment of the set comprising at least one of a write element configured to write data to a tape and a read element configured... Agent: International Business Machines Corporation
20130321950 - Asymmetric comb bore in actuator design: The present invention generally relates to a head comb for use in a hard disk drive. In one embodiment, the head comb comprises a core body having a bore formed therethrough. The bore is bound by walls having a top extension extending into the opening and a bottom extension extending... Agent:
20130321952 - Bearing mechanism, motor and disk drive apparatus: A bearing mechanism includes a shaft portion, a sleeve portion, a lower opposing portion, a lower outer ring-shaped portion, and an upper opposing portion. A lower seal portion serving as a pumping seal portion is provided in a lower seal gap between the sleeve portion and the lower outer ring-shaped... Agent: Nidec Corporation
20130321951 - Bearing mechanism, motor, and disk drive apparatus: A bearing mechanism includes a shaft portion, a sleeve portion, a lower opposing portion, a lower outer annular portion, and an upper opposing portion. The sleeve portion includes a sleeve body and a lower thrust plate. A radial dynamic pressure bearing portion is defined in a radial gap. A lower... Agent: Nidec Corporation
20130321953 - Write head and apparatus: A write head comprising a yoke having at least a first and a second gap and a coil for producing a magnetic field at each gap, the coil comprising a plurality of windings, wherein the windings are arranged so as to produce the same magnetic field strength at each gap... Agent: International Business Machines Corporation
20130321954 - Magnetic structure free layer stabilization: A magnetic layered structure is presently disclosed comprising a pinned layer, a first anti-ferromagnetic layer that defines a magnetic orientation of the pinned layer, a free layer, a second anti-ferromagnetic layer that biases the free layer to a magnetic orientation approximately perpendicular to the magnetic orientation of the pinned layer,... Agent: Seagate Technology LLC
20130321955 - Low-recess write pole coil near shield at media-facing surface: An apparatus includes a write pole magnetically coupled to write coils that generate a first magnetic field during a switching event. The apparatus includes a shield at a media-facing surface and proximate the write pole. A conductive element is disposed proximate the shield and configured to generate a second magnetic... Agent: Seagate Technology LLC
20130321956 - Magnetic head and magnetic recording/reproduction apparatus using the same: A magnetic recording head enabling both enhancement of a strength of a magnetic field from a main pole and provision of narrow-track recording to achieve a high recording density in a high-frequency magnetic field-assisted recording method is provided. An oscillator 110 that generates a high-frequency magnetic field is provided on... Agent: Hitachi, Ltd.
20130321957 - Gimbal limiter for suspension with lift tab: A head suspension for a disk drive with a load beam having continuous rails and a distal lift tab. A dimple is positioned proximal to the lift tab, either on the load beam or the gimbal, the dimple providing a pitch axis and a roll axis for the slider. The... Agent: Seagate Technology LLC
20130321958 - Actuator mounting section of disk drive suspension, method of applying electrically conductive paste, and paste application device: Actuator elements are accommodated in openings formed in a conductive plate. These actuator elements are secured to the conductive plate by a resin bonding material. An electrode of each actuator element and the conductive plate are electrically connected to each other by a bridge junction consisting of an conductive paste.... Agent: Nhk Spring Co., Ltd.11/28/2013 > 8 patent applications in 7 patent subcategories.
20130314814 - Magnetic recording medium and magnetic storage apparatus: A magnetic recording medium may include an orientation control layer, a lower recording layer, an intermediate layer, and an upper recording layer that are stacked. The lower recording layer may have a coercivity higher than that of the upper recording layer, and the intermediate layer may include a layer including... Agent: Showa Denko K.k.
20130314815 - Underlayers for heat assisted magnetic recording (hamr) media: Various embodiments provide for a heat assisted magnetic recording (HAMR) media comprising: a magnetic recording layer; a barrier layer disposed under the magnetic recording layer; a first underlayer disposed under the barrier layer; and an amorphous seedlayer disposed under the first underlayer. For some embodiments, the recording medium may comprise:... Agent: Wd Media, Inc.
20130314816 - Transducer head with multiple read sensors: In order to improve a consistent data track during writing to a storage medium, a plurality of read sensors are affixed to a transducer head. In one implementation, the transducer head includes multiple read sensors placed up-track of the write pole. In another implementation, the transducer head includes at least... Agent: Seagate Technology LLC
20130314817 - Magnetic head positioning and driving device: In a positioning and driving system including a rotating magnetic disk, a magnetic head slider that floats above the surface of the magnetic disk and writes data to and reads data from a track provided on the magnetic disk, an actuator that positions the magnetic head slider in a radial... Agent: Hitachi, Ltd.
20130314818 - Recording head and disk device including the same: A recording head includes a main magnetic pole generating a recording magnetic field in a direction perpendicular to a recording medium, a write shield magnetic pole facing a trailing side of the main magnetic pole, a recording coil exciting a magnetic flux in a magnetic circuit, and a spin torque... Agent:
20130314819 - Electronic storage system architecture: An electronic storage system includes a first cylindrical storage area. The first cylindrical storage area is configured to rotate about an axis. The first cylindrical storage area includes a first storage surface. The storage system further includes a first access head, configured to access information stored on the first storage... Agent: Lsi Corporation
20130314821 - Conducting member of disk drive suspension and disk drive suspension: A terminal area includes a metal plate, an electrically insulating layer, and a conductor layer. An opening section is formed in the metal plate and the insulating layers A gold plating layer is formed on a surface of the conductor layer inside the opening section. A porous metal layer of... Agent: Nhk Spring Co., Ltd.
20130314820 - Magnetic recording head, magnetic head assembly, and magnetic recording/ reproduction apparatus: According to one embodiment, a magnetic recording head includes a main magnetic pole, an auxiliary magnetic pole, and a spin torque oscillator formed between them. The spin torque oscillator includes a main oscillation layer and spin sink layer as an oscillation layer. The spin sink layer contains one of iron... Agent: Kabushiki Kaisha Toshiba11/21/2013 > 9 patent applications in 8 patent subcategories.
20130308220 - Implementing channel signal processing assist with ecs contact detection: A method, apparatus, and system for implementing channel signal processing assist with an embedded contact sensor (ECS) in hard disk drives. An ECS signal is captured during write and idle operation of the hard disk drive. A read channel monitors changes in the ECS signal providing a clearance monitor function... Agent: Hgst Netherlands B.v.
20130308221 - Systems and methods for symbol re-grouping decoding processing: The present invention is related to systems and methods for applying a data decode algorithm to different rotations or modifications of a decoder input as part of data processing.... Agent: Lsi Corporation
20130308222 - Disk-drive pulse duration control system: One embodiment includes a pulse duration control system for a magnetic disk-drive system. A rise delay system generates first control voltages in response to a write data input signal changing between a first state and a second state. A fall delay system generates second control voltages in response to the... Agent: Texas Instruments Incorporated
20130308223 - Excitation of airbearing oscillation with tar nearfield device for touchdown detection: In one general embodiment, a magnetic head includes a slider having a media-facing surface; and a device coupled to the slider and being selectively extendible for selectively contacting a magnetic medium at a frequency of between about 200 and about 600 kHz. Other magnetic heads and methods of use are... Agent: Hgst Netherlands B.v.
20130308224 - Spindle motor, and disk drive apparatus including the spindle motor: A spindle motor includes a shaft arranged to extend in an axial direction, and a base portion arranged to define a portion of a housing, and including a through hole in which the shaft is inserted. A fixing region is defined between an inner circumferential portion of the base portion... Agent:
20130308225 - Spindle motor, and disk drive apparatus including the spindle motor: A spindle motor includes a shaft arranged to extend in an axial direction, and a base portion arranged to define a portion of a housing, and including a through hole in which the shaft is inserted. A fixing region is defined between an inner circumferential portion of the base portion... Agent: Nidec Corporation
20130308226 - Spindle motor, and disk drive apparatus including the spindle motor: A spindle motor includes a shaft arranged to extend in an axial direction, and a base portion arranged to define a portion of a housing, and including a through hole in which the shaft is inserted. A fixing region is defined between an inner circumferential portion of the base portion... Agent: Nidec Corporation
20130308227 - Magnetic head for perpendicular magnetic recording having a main pole and a shield: A magnetic head includes a magnetic structure incorporating a write shield. The magnetic structure is formed to include a first magnetic layer, a second magnetic layer stacked on the first magnetic layer, and a seed layer. The first magnetic layer has a front end face located in the medium facing... Agent: Headway Technologies, Inc.
20130308228 - Read sensor having a structure for reducing magnetic coupling between a magnetic bias layer and an upper magnetic shield: A magnetic sensor having reduced read gap thickness, reduced signal noise and improved signal to noise ratio. The sensor includes a sensor stack and hard bias structures formed at either side of the sensor stack for biasing the free layer of the sensor. A protective layer is formed over a... Agent: Hitachi Global Storage Technologies Netherlands B.v.11/14/2013 > 10 patent applications in 9 patent subcategories.
20130301155 - Indication circuit for indicating transfer rate of hard disk drive: An indication circuit includes a control unit, a decode unit, and a display unit. The control unit is configured to obtain a transfer rate of a hard disk drive (HDD) from a power on self test (POST) code transmitted by a basic input-output system (BIOS) chip, and transmit a rate... Agent: Hong Fu Jin Precision Industry (shenzhen) Co., Ltd.
20130301156 - Adjusting a preamp write current to apply an asymmetric signal at a write head: A first parameter associated with a writer preamp is defined. A write current of the writer preamp is adjusted in accordance with the first parameter so that an asymmetric signal is applied at a write head. The asymmetric signal results in symmetric writing of bits to a medium.... Agent: Seagate Technology LLC
20130301157 - Corrosion-resistant bit patterned media (bpm) and discrete track media (dtm) and methods of production thereof: In one embodiment, a magnetic recording medium includes a magnetic recording layer including a magnetic material characterized by having convex and concave portions, the convex portions acting as magnetic regions, a nonmagnetic material positioned within each concave portion of the magnetic material which act as nonmagnetic regions that separate the... Agent: Hitachi Global Storage Technologies Netherlands B.v.
20130301158 - Disk drive comprising extended range head proximity sensor: A disk drive is disclosed comprising a head actuated over a disk, and a fly height transducer operable to generate a fly height signal for the head. The disk drive further comprises control circuitry comprising a current sensor operable to detect a current flowing through the fly height transducer. The... Agent: Western Digital Technologies, Inc.
20130301159 - Information recording system and magazine: An information recording system includes a case, a head provided inside the case, a recording tape that travels inside the case due to rotation of a pair of reels that are provided inside the case, with at least one of information writing or information reading performed to or from the... Agent:
20130301160 - Pivot bearing unit for hard disk actuator: In an HDD actuator pivot bearing unit 10, an axial inner surface 22a of a shield cap 22 is formed into a stepped shape so that an axial minimum gap a1 with a shield member 14e of one bearing 14 is narrower than an axial minimum gap a2 with an... Agent: Nsk Ltd.
20130301161 - Base unit: A base unit includes a stator, a wiring substrate, and a base portion. The base portion includes a tubular portion, a first recess portion surrounding the tubular portion, and first through-holes arranged within the first recess portion. The wiring substrate includes a connection portion arranged on an upper surface of... Agent: Nidec Corporation
20130301162 - Apparatus for measuring magnetic field of microwave-assisted head: A measuring circuit system in a magnetic field measuring apparatus of the invention has an amplifier and a band-pass filter connected in sequence on an output terminal side of the TMR element, the band-pass filter is a narrow-range band-pass filter such that a peak pass frequency of the filter that... Agent:
20130301163 - Computer component enclosure: The present invention is a computer component enclosure that includes a cube-shaped enclosed casing, a front control panel that is disposed underneath the enclosed casing, a USB power digital panel that is disposed on the front control panel and a hard drive platter that resides in the computer component enclosure.... Agent:
20130301164 - Disk drive suspension and manufacturing method therefor: An actuator mounting section comprises a plate member includes a first plate and a second plate. The first plate is formed with an opening which accommodates an actuator element. The second plate comprises a main body portion which overlaps the first plate and supporting portions which support opposite ends of... Agent: Nhk Spring Co., Ltd.Previous industry: Optical: systems and elements
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