| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 369176000 | DYNAMIC MECHANISM SUBSYSTEM | 81 |
| 20090059775 | METHOD AND APPARATUS FOR ASSEMBLING CARRIAGE ASSEMBLY - An apparatus for assembling a carriage assembly is comprising a space maintaining plates to be inserted between the carriage arms fitted with the suspension which maintains plates having the penetrating holes communicating with the spacer holes provided in the suspensions, carriage holding means for holding the carriage arms from the opposite sides in the arrangement direction thereof, pressing means for pressing the ball having a larger diameter than the spacer holes in an axial direction of the spacer holes using the stick-like pressing member, in order to crimp the suspensions to the tips of the carriage arms, and the guide members made of an elastic material, for guiding the ball to move substantially along the axis of the spacer holes in the crimping step, the guide members being fitted to the inner peripheral surfaces of the penetrating holes provided in the space maintaining plates. | 03-05-2009 |
| 20160064031 | SYSTEMS AND METHODS FOR ATOMIC FILM DATA STORAGE - The present disclosure provides systems and methods associated with data storage using atomic films, such as graphene, boron nitride, or silicene. A platter assembly may include at least one platter that has one or more substantially planar surfaces. One or more layers of a monolayer atomic film, such as graphene, may be positioned on a planar surface. Data may be stored on the atomic film using one or more vacancies, dopants, defects, and/or functionalized groups (presence or lack thereof) to represent one of a plurality of states in a multi-state data representation model, such as a binary, a ternary, or another base N data storage model. A read module may detect the vacancies, dopants, and/or functionalized groups (or a topographical feature resulting therefrom) to read the data stored on the atomic film. | 03-03-2016 |
| 369178010 | Access of multiple storage elements (e.g., record changer) | 6 |
| 20110134744 | LIBRARY APPARATUS AND METHOD FOR MOVING SHELF OF LIBRARY APPARATUS - A library apparatus includes a storage shelf including a first movable shelf and a second movable shelf each having a plurality of rows and columns of cells in which storage mediums are to be stored, a drive unit being disposed such that a direction of access to the drive unit for inserting/ejecting of one of the storage mediums is the same as a direction of access to the storage shelf, a conveyor for conveying one of the storage mediums between the storage shelf and the drive unit, and a movement control unit for controlling to lift a specific row of cells of the first movable shelf to produce a space and to move horizontally a specific row of cells of the second movable shelf to a position in the space accessible by the conveyor. | 06-09-2011 |
| 20140313875 | MEDIUM PROCESSING APPARATUS, STORAGE APPARATUS AND CONVEYANCE APPARATUS - A medium processing apparatus includes a magazine including a plurality of storage units each of which stores the storage medium, the adjacent storage units being connected by a hinge member so that each of the storage units rotates on a shaft, a curved conveyance path that guides the magazine, a conveying unit that conveys the magazine along the conveyance path, and a medium moving unit that moves the storage medium between the storage unit of the conveyed magazine and the processing unit, and thus space saving is achieved. | 10-23-2014 |
| 20160027464 | RECORDING MEDIUM CHANGER AND CONTROL METHOD - A conveying block | 01-28-2016 |
| 20160180876 | MOVABLE CLOSED-CHAIN LINKAGE FOR ROBOT ARM OF MEDIA ELEMENT STORAGE LIBRARY | 06-23-2016 |
| 369199000 | Both sides of disc used | 1 |
| 369200000 | By inverting disc | 1 |
| 20080232229 | Disc Turning Device and Method Thereof - A disc turning device and method thereof utilizes a device whose supporting portion is located at one side of the gravity center of the disc body to make the disc body, under the gravity action, use the supporting portion as a pivot to carry out turning operation, thus achieving the objectives of automatic turning operation by gravity using and energy saving. | 09-25-2008 |
| 369212000 | Auxiliary structure (e.g., shut-off preventer, disc spacer) | 1 |
| 20110141874 | HIGH DENSITY ARRAY SYSTEM WITH ACTIVE MOVABLE MEDIA DRAWERS - A storage system is provided having at least one storage unit, the storage unit including an electrical power source, a communication source and a cover that defines, at least in part an interior space. The storage system operates with a media blade that comprises a plurality of data storage elements, the media blade moveable in a drawer like motion though a cooperating opening in the cover. The storage system further includes a motion accommodating conductor apparatus connecting the plurality of data storage elements to the electrical power source and the communication source such that power from the electrical power source and communication from the communication source may be provided to the media blade without interruption when the media blade is moved in the drawer like motion outward from at least partially within the interior space. | 06-16-2011 |
| 369215100 | Having power driven transducer assembly | 8 |
| 20090147662 | DISK DEVICE - A disk device includes a frame, an optical pickup and a shock absorbing component. The frame has a receiving component. The optical pickup is slidable with respect to the frame. The shock absorbing component is fixedly coupled to the optical pickup and arranged to selectively contact the receiving component of the frame. The shock absorbing component includes a support portion and a spring piece. The spring piece has a first end portion that is fixedly coupled to the optical pickup and a second end portion that is spaced from the support portion in an unloaded rest state and that contacts the support portion to support the spring piece at both the first and second end portions with respect to the optical pickup when the spring piece is pushed by the receiving component of the frame to a loaded state. | 06-11-2009 |
| 20100135148 | DEVICE FOR REDUCING POWER CONSUMPTION OF OPTICAL DRIVE AND METHOD FOR THE SAME - A device and method for reducing power consumption of an optical drive are proposed. The present invention samples a carrier control signal and then compares the samples of the signals with predetermined threshold signals. According to the comparison result, the present invention increases or decreases an output signal index. The variation of the output signal index is used to control phases of diphase excitation control signals so as to control the rotation direction of a motor or make it stop. The present invention need not output the diphase excitation control signals continuously. It only needs to output a predetermined number of the diphase excitation control signals after the output signal index is increased or decreased. Hence, the present invention reduces the time for outputting the control signals and greatly reduces the power consumption of the optical drive thereby. | 06-03-2010 |
| 20100177626 | MOTOR DRIVE CIRCUIT, METHOD, AND DISC DEVICE USING THE SAME - A back electromotive force detection circuit detects a zero-crossing point by comparing a back electromotive force Vu which occurs in at least one coil of a motor with a center tap voltage at a common node of the coils, and outputs a back electromotive force detection signal. A switching control circuit controls the switching states of multiple switching circuits based upon the back electromotive force detection signal, thereby adjusting the current flowing through the coils of the motor. A window generating circuit outputs a window signal at a predetermined level during a period obtained by multiplying the cycle of the back electromotive force detection signal by a predetermined coefficient before the detection of the zero-crossing point. The switching control circuit stops the switching operation of the switching circuit during a period in which the window signal is maintained at the predetermined level, thereby setting the state to the high impedance state that corresponds to a non-driving period. | 07-15-2010 |
| 20110255393 | Hydrodynamic bearing assembly, motor provided with hydrodynamic bearing assembly and recording disc driving device equipped with motor - There is provided a hydrodynamic bearing assembly that includes: a sleeve with an axial hole into which a shaft is inserted; a radial dynamic pressure unit formed on at least one of an outer diameter of the shaft and an inner diameter of the sleeve; and a sub-radial dynamic pressure unit formed on at least one of the outer diameter of the shaft and the inner diameter of the sleeve in an upper part in an axial direction of the radial dynamic pressure unit, wherein an oil interface formed in an axial hole between the radial dynamic pressure unit and the sub-radial dynamic pressure unit moves up toward the sub-radial dynamic pressure unit as the temperature of a motor rises due to driving of the motor. | 10-20-2011 |
| 20120113790 | Motor and recording disk drive device having the same - There is provided a motor including: a rotating member coupled to a shaft and rotating in connection with the shaft; a stationary member having the shaft inserted therein and supporting the shaft; a wall part protruding from a surface of the rotating member and allowing oil to be sealed between the rotating member and the stationary member; and a pumping groove formed in at least one of the wall part and an outer surface of the stationary member corresponding to the wall part and pumping the oil between the shaft and the stationary member. | 05-10-2012 |
| 20120127847 | Motor and recording disk drive including the same - There is provided a motor including a rotating member coupled with a shaft and rotating in connection with the shaft, and a fixing member having the shaft inserted thereinto to support the shaft and including a round part whose outer surface corresponding to the rotating member is formed to be rounded to thereby allow oil to be sealed between the round part and the rotating member. | 05-24-2012 |
| 20120236702 | METHOD OF CONTROLLING MECHANICAL MECHANISMS OF ELECTRONIC DEVICE FOR PEAK POWER/CURRENT REDUCTION - To prevent the peak power/current consumption from exceeding a permitted level when more than one active mechanical mechanism of an electronic device (e.g., an optical storage apparatus) is involved in accomplishing a particular task, a method of controlling the electronic device is provided. The electronic device has a plurality of mechanical mechanisms including at least a first mechanical mechanism and a second mechanical mechanism. The method includes following steps: driving the first mechanical mechanism by applying a first control signal to the first mechanical mechanism; driving the second mechanical mechanism by applying a second control signal to the second mechanical mechanism; comparing the first control signal with a first predetermined threshold, and accordingly generating a first comparison result; and selectively adjusting the second control signal according to at least the first comparison result. | 09-20-2012 |
| 20140016450 | POLYETHERIMIDE RESINS WITH VERY LOW LEVELS OF RESIDUAL CONTAMINATION - Compositions and methods for producing compositions comprising a monoamine-endcapped polyimide component. Based on a gas chromatography mass spectroscopy analysis of a surface rinse of the composition performed at room temperature, the composition can have at least one surface with less than or equal to 5 ppb releasable phosphorous residuals, and less than or equal to 5 ppb releasable volatile organic compound residuals. The composition can also comprise less than or equal to 10 ppb combined releasable residuals. Because of the very low levels of residual contamination, the compositions can be used to produce a variety of articles including a disk drive. | 01-16-2014 |
| 369233000 | Mechanism condition or storage medium responsive control | 3 |
| 20090154330 | PROBE STORAGE DEVICE SCANNER CHIP HAVING A MULTI-LAYER MEDIA SUPPORT TABLE - A probe storage device includes a base plate having a main body provided with a substantially planar surface, and a scanner chip body. The scanner chip body extends across the base plate. The scanner chip body includes first and second substantially parallel planar surfaces that collectively define an outer peripheral edge portion. The scanner chip body further includes at least a mechanical ground portion fixedly mounted to the base plate, a suspension portion, and a scan table base portion. The scan table base portion is selectively movable relative to the mechanical ground portion. The probe storage device further includes a scan table platform. The scan table platform includes first and second parallel substantially planar surfaces. The scan table platform extends across, is offset relative to, and mechanically linked with the scan table base portion so as to form a composite multi-layered support table for the media. | 06-18-2009 |
| 20100080108 | TONE ARM ASSEMBLY - A tone arm assembly for use with a rotatable turntable. The tone arm assembly includes a tone arm body supported adjacent to the rotating turntable being horizontally pivotable about a vertically extending axis. A tone arm tube is provided having a longitudinal axis and a first end and a second end, the first end extending within and being supported by the tone arm body and the second end terminating at a shell for releaseably supporting a pick up cartridge. A counterweight is included which is translatable along a horizontal path parallel to the longitudinal axis of the tone arm tube between a first position and a second position, the first position being closest to the shell and a second position being farthest from the shell to adjust contact pressure between a stylus maintained by the pick up cartridge and a record supported by the rotatable turntable. At least a portion of the counterweight is capable of extending fore and aft of the vertically extending axis when the counterweight is positioned on its horizontal path between its first and second positions. | 04-01-2010 |
| 369239000 | Speed | 1 |
| 20090080322 | RECORDING METHOD AND APPARATUS FOR OPTICAL DISK DRIVE - A recording method for an optical disk drive is implemented as follows. First, at least one of the level of the focusing error signal, the level of the tracking error signal, a wobble synchronization pattern loss, the error rate of demodulating a wobble signal and the frequency of buffer under-run occurrence is detected. If at least one detected value exceeds the preset value, the recording will be ceased. Then, the rotation speed of the optical disk drive is decreased, and the recording is resumed with the decreased rotation speed. | 03-26-2009 |
| 369244100 | Specified detail of transducer assembly support structure | 13 |
| 20090052308 | Apparatus for Accessing Storage Media - An apparatus for accessing storage media, having an actuator base and an actuator carrier, where for compact design and low material cost, an elastic connection pressing the actuator carrier against the actuator base is a straight piece of spring wire. | 02-26-2009 |
| 20090168638 | OPTICAL PICKUP - An optical pickup includes a light emitting component, an optical component and a base component. The light emitting component has a laser diode, a package and a holder. The package has a positioning recess formed in an outer peripheral face of the package. The holder holds the package in a fitting hole of the holder. The holder has a protrusion component that is formed in an inner peripheral face of the fitting hole of the holder and is fitted to the positioning recess of the package, and a guide component that extends from the protrusion component by a first specific height beyond an end face of the holder. The protrusion component has a width in a peripheral direction of the fitting hole that is at least equal to a width of the positioning recess of the package in a peripheral direction of the package. | 07-02-2009 |
| 20100220580 | Holding Member, Driving Apparatus, Pickup Apparatus, and Disc Apparatus - A holding member provided with a coil comprising a proximity facilitating portion capable of bringing the coil closer to a magnetic member facing the coil. | 09-02-2010 |
| 369247100 | Vibration or resonance suppression | 9 |
| 20100002564 | Method and device for hard drive shock event detection - A method and system for sensing the current applied to the motor of a data storage device and determining whether a shock event has occurred by processing the sensed current levels. | 01-07-2010 |
| 20100046351 | COPPER RESIDUAL STRESS RELAXATION REDUCTION MEANS FOR HARD DISK DRIVE SLIDER GIMBALS - Disclosed are various techniques for reduction of the magnitude of the residual stress in the HDD gimbal circuits, or more specifically, the residual plastic strain. Various trace structures of the gimbal circuits as well as stress suppressors are utilized to achieve the reduction of the residual stress in the circuit. | 02-25-2010 |
| 20100067357 | MAGNETIC RECORDING DISK DRIVE WITH ROTATIONAL VIBRATION COMPENSATION HAVING ADAPTIVE OPTIMIZATION OF VIBRATION SENSOR GAINS - A disk drive and a method for operating the disk drive compensates for rotational vibration (RV) by adaptively modifying the gains of two separate linear vibration sensors so the sensor gains are optimal under any given condition. The two sensors provide two signals S | 03-18-2010 |
| 20100296383 | REDUCED ENERGY CONSUMPTION USING ACTIVE VIBRATION CONTROL - Embodiments of a computer system that includes a vibration-cancelling mode, and a related method and computer-program product (e.g., software) for use with the computer system, are described. During operation, a processor monitors operations in the computer system, and may select either the vibration-cancelling mode or an inactive mode based on the monitored operations. For example, the processor may select the vibration-cancelling mode when there are input/output-(I/O) intensive workloads to an array of one or more hard disk drives (HDDs) in the computer system. In this way, the processor may reduce the energy consumption associated with vibration-induced retries to the HDDs (and reduced I/O throughput) without increasing the energy consumption associated with active vibration damping at other times, such as when the computer system is idle or during processor-intensive workloads. | 11-25-2010 |
| 20110038247 | Hard disk damping device - A hard disk damping device is disclosed, which includes a hard disk having at least one long side and at least one short side, a side bracket disposed on the long side and having at least one salient, and at least one damping structure disposed on the side bracket. The damping structure has plural protrusions disposed on a surface of the damping structure. The damping structure has at least one slot to couple to the salient. | 02-17-2011 |
| 20110075547 | Motor and disk drive apparatus - There is provided a motor. The motor includes a shaft rotatably installed and supported by a sleeve, a rotor case coupled with the shaft and on which a disk is mounted, and a pressure difference generation portion disposed in a space between the disk and the rotor case and generating a pressure difference using airflow in the space. | 03-31-2011 |
| 20110122757 | Hard disk drive frame - A hard disk drive frame is provided. The distances from its hard disk drive fixing parts to the substrate center are not the same. During the process of vibrational energy transfer, three-dimensional reactions are induced correspondingly to cancel the kinetic energy transfer. The reactions generated at the static balance point in the three dimensions interfere one another to destroy vibrational frequencies in specific directions. Therefore, the disclosed hard disk drive is resistant to vibrations and suffers less from the resonance effect. | 05-26-2011 |
| 20120014241 | APPARATUS FOR VIBRATION REDUCTION IN A HARD DISK DRIVE - An apparatus for vibration reduction in a hard disk drive, the hard disk drive comprising at least one hard disk and at least one actuator arm. The apparatus comprises a flow mitigating device disposed on the at least one actuator arm, the flow mitigating device comprising at least one surface being inclined with respect to a reference plane of the actuator arm to generate streamwise vortices for interacting with and weakening vortex structures generated at a trailing edge of the actuator arm during spinning of the hard disk. | 01-19-2012 |
| 20120155243 | VIBRATION DAMPING DEVICE AND DISC DEVICE HAVING VIBRATION DAMPING DEVICE - As a measure against vibration caused by disturbance due to mass eccentricity of a disc, a conventional disc device has a means to add an auxiliary mass that passively operates. This method has no way to enhance vibration damping effect other than setting the auxiliary mass to be large, and therefore there is a problem that the device becomes large. An auxiliary mass | 06-21-2012 |
| 369255000 | Having specified bearing structure | 1 |
| 20090022043 | SHAFT, HYDRODYNAMIC BEARING DEVICE, SPINDLE MOTOR, AND RECORDING AND REPRODUCING APPARATUS - According to the present invention, when processing shafts in a centerless grinding machine, engagement between the shafts is prevented without rearranging the shafts, and thus outer circumferential faces of the shafts can be precisely processed. A shaft | 01-22-2009 |
| 369258100 | Specific detail of storage medium support or motion production | 49 |
| 20120113791 | SPINDLE MOTOR AND STORAGE DISK DRIVE APPARATUS - A spindle motor includes a stator unit and a rotor unit. The stator unit includes a stator, a base portion, and a printed circuit board. The printed circuit board has a connection portion and an extending portion extending from the connection portion. The base portion is provided on its lower surface with a recess portion arranged to accommodate the connection portion of the printed circuit board and a groove portion in which the extending portion is arranged, the groove portion communicating with the recess portion. The groove portion has a bottom surface on which the extending portion is arranged and a slant surface gradually sloping downwards as it extends away from the bottom surface in a circumferential direction. The region in the recess portion extending from the connection portion to a boundary between the recess portion and the groove portion is covered with a cured flowable resin material. | 05-10-2012 |
| 20120113792 | SPINDLE MOTOR AND STORAGE DISK DRIVE APPARATUS - A spindle motor includes a stator unit and a rotor unit. The stator unit includes a stator, a base portion, and a printed circuit board. The printed circuit board has a connection portion and an extending portion extending from the connection portion. The base portion is provided on its lower surface with a recess portion arranged to accommodate the connection portion of the printed circuit board and a groove portion in which the extending portion is arranged, the groove portion communicating with the recess portion. The groove portion has a bottom surface on which the extending portion is arranged and a slant surface gradually sloping downwards as it extends away from the bottom surface in a circumferential direction. The region in the recess portion extending from the connection portion to a boundary between the recess portion and the groove portion is covered with a cured flowable resin material. | 05-10-2012 |
| 20120120786 | DISC CARTRIDGE - A disc cartridge includes a case body for receiving disc-shaped recording media in an axial direction of a central shaft so that first and second shells respectively having a base surface portion parallel to a recording surface of the disc-shaped recording media are coupled separated by axial engagement/disengagement; and a lock lever supported perpendicular to the axial direction in the case body and locking the shells coupled. The shells are separated to form a disc insertion/extraction hole for the insert or discharge of the disc-shaped recording media into/from the case body. A support shaft serving as a pivoting point of the lock lever is installed to the case body. The lock lever includes a supported portion supported by the support shaft, a lock portion protruding from the supported portion and locking the shells, and a balance portion protruding from the supported portion approximately opposite to protrusion of the lock portion. | 05-17-2012 |
| 20120182856 | SPINDLE MOTOR - A spindle motor includes a rotor including a rotary shaft and magnets, a stator including a bearing, which supports the rotary shaft, and an armature corresponding to the magnets. The rotor is caused to rotate by an electromagnetic force generated by the magnets and the armature. The stator includes a plate having a stepped portion in a portion thereof, which faces the rotary shaft. | 07-19-2012 |
| 20120243397 | SPINDLE MOTOR AND STORAGE DISK DRIVE - A spindle motor includes a stationary portion and a rotating portion including a seal defining portion. The stationary portion includes a shaft portion, an annular member fixed to an upper portion of the shaft portion in, for example, a tight-fitting condition, and a cap member. A radially inner end portion of the cap member is fixed to each of the shaft portion and the annular member preferably through, for example, an adhesive. An upper seal portion, in which a surface of a lubricating oil is arranged, is defined in an upper seal gap defined between an outer circumferential surface of the annular member and an inner circumferential surface of the seal defining portion. The cap member is arranged to cover an upper side of the upper seal portion. | 09-27-2012 |
| 20120250488 | ROTOR HUB, MOTOR, AND DISK DRIVING DEVICE - A rotor hub includes a shaft connecting portion arranged to be connected to a shaft serving as a central axis, a disk loading portion centered about the central axis and arranged to support a disk shaped storage medium mounted thereon, a yoke arranged below the disk loading portion and supporting a field magnet at one of an inner side surface thereof and an outer side surface thereof, and a flexible portion connecting the disk loading portion to the yoke and being flexible with respect to a force applied thereto from the yoke. | 10-04-2012 |
| 20130100794 | DISK ROTATING MOTOR AND DISK DRIVE DEVICE PROVIDED WITH THE SAME - A disk rotating motor is provided with: a stator including a stator core and a bracket for fixing the stator core; a rotor that can be rotated with respect to the stator and includes a shaft; and a bearing that rotatably supports the rotary shaft on the outer diameter side of the rotary shaft. The bracket includes a cylindrical portion extending along the shaft and a folded portion formed by folding the upper end of the cylindrical portion onto the outer diameter side. The bearing is fixed to the inner circumferential surface of the cylindrical portion whereas the stator core is fixed to the outer peripheral surface of the folded portion. | 04-25-2013 |
| 20140146654 | ROTARY HEAD MULTI-LAYER DATA STORAGE AND RETRIEVAL SYSTEM AND METHOD - A system and method for data storage and retrieval include a rotational head carriage unit having a plurality of heads. A tape drive unit moves a tape media length-wise across the head carriage unit while the head carriage unit rotates. The tape drive unit is adapted to use a tape comprising multiple recordable layers. The heads are adapted to read data from or write data to one recordable layer while rotating toward one edge of the tape media, and read data from or write data to another recordable layer while rotating toward the other edge of the tape media. | 05-29-2014 |
| 20140185423 | DISK ROTATING MOTOR AND DISK DRIVE DEVICE PROVIDED WITH THE SAME - A disk rotating motor is provided with: a stator including a stator core and a bracket for fixing the stator core; a rotor that can be rotated with respect to the stator and includes a rotary shaft; and a bearing that rotatably supports the rotary shaft on the outer diameter side of the rotary shaft, the bearing being supported by the bracket. | 07-03-2014 |
| 20150009791 | TAPE GUIDE WITH FLANGES - A tape guide is provided for use with a tape drive that is configured to receive a length of tape having a tape width. The tape guide includes a body having an outer surface for receiving the tape thereon, and flanges on opposite ends of the body. The flanges may be spaced apart by a distance that is 125 to 500 microns greater than the tape width. | 01-08-2015 |
| 20150036475 | SPINDLE MOTOR AND DISK DRIVE APPARATUS - A spindle motor includes a stationary portion and a rotating portion. The stationary portion includes a base member, a stator core, coils, and a circuit board. The base member includes a middle region, a peripheral region, jetty portions, a recessed portion, and at least one through hole. The jetty portions are positioned at least axially below the peripheral region, and include a pair of extension portions. The recessed portion is arranged inside the jetty portions, and a portion of the circuit board is arranged in the recessed portion. The at least one through hole is arranged to pass through the middle region in an axial direction. The recessed portion is covered with a sealant. | 02-05-2015 |
| 20160163349 | SPINDLE MOTOR, DISK DRIVE APPARATUS, AND METHOD OF MANUFACTURING BASE UNIT OF SPINDLE MOTOR - A method of manufacturing a base unit of a spindle motor includes the steps of: defining a base plate including a support fitting portion; fitting a support to a hole portion passing through the support fitting portion; measuring an inclination of the support fitting portion; calculating a laser irradiation area and a laser irradiation output based on the inclination; irradiating the support fitting portion with a laser beam; and measuring the inclination of the support fitting portion again. The base plate is made of a metal, and is defined by press working, casting, or forging. The support is fitted to the hole portion by crimping, press fitting, or welding. This method reduces the inclination of the support fitting portion, thereby reducing a distortion of the support, which serves as a rotation center of an access portion. | 06-09-2016 |
| 20160189743 | DISC SPIN SPEED PROFILE FOR AN OPTICAL DISC - Creating a disc spin speed profile allows the player to store this disc spin speed profile and control disc spin speed based on this disc spin speed profile, simplifying the disc spin speed adjustment. Instead of using a Constant Linear Velocity profile matched to the highest data rate prescribed by the standard, the playback device can establish its own disc spin speed profile that is adapted to the data rate requirements as they vary across the record carrier. Starting the disc spin speed profile with a Constant Angular Velocity part, followed by a Constant Linear Velocity part reduces the disc spin speed at zones at the innermost of the disc, reducing noise and energy consumption. | 06-30-2016 |
| 20160254022 | MOTOR AND DISK DRIVE APPARATUS | 09-01-2016 |
| 369259000 | For endless web looped about plural rotatable mounts (e.g., belt) | 1 |
| 20150009792 | GROOVED TAPE GUIDE ROLLER - A tape guide roller, for use with a tape drive that is configured to receive a length of tape, includes a roller body having an outer surface with one or more grooved areas and one or more non-grooved areas. The one or more grooved areas make up seventy-five percent or less of the outer surface, and the one or more non-grooved areas make up at least twenty-five percent of the outer surface. Furthermore, the one or more grooved areas are configured to affect traction between the roller body and the tape as the tape passes over the roller body. | 01-08-2015 |
| 369263100 | Mounting structure for support or motion producing assembly (e.g., vibration damping) | 10 |
| 20090207720 | VIBRATION-ISOLATING FIXING DEVICE - A vibration-isolating fixing device is disposed in a chassis of an electronic device, for accommodating at least one storage device. The fixing device includes a frame to accommodating the storage device and a plurality of vibration-isolation elements. Each vibration-isolation element has a main body and a damper. Each assembly pillar is protruded from one side of the main body and is inserted into an assembly hole on a bottom plate of the frame, such that the vibration-isolation element is fixed on a bottom surface of the frame. The damper is sleeved on the other side of the main body opposite to the assembly pillar, and contacts with the chassis, so as to absorb vibration energy borne by the frame from three-dimensional directions. | 08-20-2009 |
| 20100061219 | VIBRATION REDUCTION APPARATUS AND DISK DRIVE USING THE SAME - A vibration reduction apparatus of a disk drive is provided. An optical pickup base | 03-11-2010 |
| 20100202274 | INFORMATION PROCESSING APPARATUS - An information processing apparatus includes: a hard disk drive unit including a hard disk drive configured to read various data from and write various data in a magnetic disk incorporated therein; a housing of an apparatus main body configured to hold the hard disk drive on a substrate to be freely attached and detached; a hard-disk-drive holding member provided in the hard disk drive unit, configured to include a first anti-vibration member having vibration damping properties disposed on a predetermined surface parallel to a disk width direction of the magnetic disk and fix and hold the hard disk drive in a state in which the first anti-vibration member is sandwiched between the hard disk drive and the predetermined member, and formed of a metal member; a member to be guided provided in the hard disk drive unit and provided on a surface parallel to the disk width direction of the magnetic disk different from the predetermined surface of the hard-disk-drive holding member; and a base member provided in the housing of the apparatus main body, configured to have a guide section for guiding the member to be guided in attaching and detaching directions of the hard disk drive unit and come into contact with the hard-disk-drive holding member of the hard disk drive unit attached to the substrate according to the guide by the guide section, and formed of a metal member. | 08-12-2010 |
| 20100208575 | METHOD AND APPARATUS FOR SHOCK AND ROTATIONAL VIBRATION SENSING IN A HARD DISK DRIVE - A hard disk drive and its circuit board are disclosed using just two piezoelectric devices to estimate both shock events and rotational vibration instead of the three devices required by the prior art. Also disclosed, an integrated circuit coupling to these two piezoelectric devices generates the signals associated with shock events and rotational vibration and a processor that may use these signals to direct the operations of the hard disk drive and may configure the components of the integrated circuit. The integrated circuit may or may not include the processor. | 08-19-2010 |
| 20100220581 | ELECTRONIC APPARATUS AND DISK PROTECTION METHOD - An electronic apparatus includes a body, a triaxial acceleration sensor which is built in the body and includes a long axis and a short axis, a disk device built in the body, a calculation unit that calculates a value on a basis of an acceleration value which is detected by the triaxial acceleration sensor and is output in a direction perpendicular to the long axis and to the short axis, a setting unit that sets a threshold in a state of the body in which a plane formed by the long axis and the short axis is approximately parallel to a direction of action of gravitational acceleration, and a controller that starts protection of the disk device on a basis of a result of comparison between the value calculated by the calculation unit and the threshold. | 09-02-2010 |
| 20110116355 | ELECTRONIC MODULE WITH SHOCKPROOF FUNCTION - An electronic module includes a case, a holding frame, a removable disk drive, a transmission cable, a fixing part, and a shock-absorbing structure. An opening is formed on the case. The holding frame is disposed at a position of the case corresponding to the opening. The removable disk drive is disposed on the holding frame and is removable from the opening. The transmission cable is connected to the removable disk drive. The fixing part is disposed on the holding frame. The shock-absorbing structure is movably disposed between the fixing part and the holding frame and envelops the transmission cable. | 05-19-2011 |
| 20110305132 | Management Of Air-Borne Vibration - A storage device testing system that includes a rack and a vibration management material. The rack includes at least one test slot that is configured to receive a storage device for testing. The test slot is substantially exposed to air on at least one side. The vibration management material is capable of absorbing and/or diffusing air-borne vibration. The vibration management material is disposed so as to attenuate air-borne vibration coupled to the test slot. | 12-15-2011 |
| 20110310724 | DAMPING VIBRATIONS WITHIN STORAGE DEVICE TESTING SYSTEMS - A storage device test slot includes a housing. The housing defines a test compartment for receiving a storage device for testing. One or more tuned mass dampers are connected to the housing. The one or more tuned mass dampers are configured to inhibit vibration of the housing at one or more predetermined frequencies. | 12-22-2011 |
| 20120250489 | VIBRATION-REDUCED TURNTABLE - The present document describes a vibration-reduced turntable adapted to receive a disc, the vibration-reduced turntable comprising: a frame; a first platter mounted on the frame and for receiving the disc, the first platter for rotation in a first direction; a second platter mounted on one of: the frame and the first platter, the second platter for rotation in a second direction; and a suspension system supporting the frame for reducing vibrations on the disc received by the first platter and for reducing vibrations of the frame. | 10-04-2012 |
| 20130201811 | SPINDLE MOTOR HAVING MAGNETIC CIRCUIT FOR STATOR AND ROTOR MAGNET, AND STORAGE DISK DRIVE HAVING THE SAME - A spindle motor includes a base portion; a stator arranged above the base portion; a rotor hub including a cover portion positioned above the stator, and a side wall portion arranged to extend downward from an outer edge of the cover portion; a rotor magnet positioned radially outward of the stator, and fixed to an inner circumferential surface of the side wall portion of the rotor hub; and a bearing mechanism arranged to support the rotor hub and the rotor magnet to be rotatable. A height of the rotor magnet as measured in an axial direction is preferably in a range of about 2 mm to about 3 mm (both inclusive), and a height of a stator core of the stator as measured in the axial direction is preferably in a range of about 50% to about 75% (both inclusive) of the height of the rotor magnet. | 08-08-2013 |
| 369264000 | Turntable | 24 |
| 20100020673 | Rotary control device for manipulating digital audio signals - The disclosure relates to control and audio manipulation of a digital audio signal by a user manipulable rotary control. The disclosure is specifically applicable to manipulation of a digital audio signal by disc jockeys (DJs). A magnet and corresponding sensor are used to obtain rotational state information from the turning of the user manipulable rotary control. This rotational state information is used to manipulate a digital audio signal. Manipulation of the digital audio includes forward and backward motion as well as a “scratch effect”. Rotational state information obtained from rotating magnet includes the possibility of absolute rotation position as well as relative rotational position, or rotational direction. | 01-28-2010 |
| 20100080109 | Variable Slippage Control For A Disc Jockey Control Surface - The disclosure pertains to a scratch effect controller for use by a disk jockey, wherein at least one electromagnet creates the slippage tension or friction effect between the user manipulated disc, which includes a vinyl-like surface thereby simulating a vinyl record, and the rotatable or fixed platter. The strength of the electromagnet is variable so as to create a variable slippage tension or friction effect. | 04-01-2010 |
| 20100177627 | MOTOR AND STORAGE DISK DRIVE USING THE SAME - In the base bracket of the motor, the bottom-inner surface of the base bracket includes a first bottom-inner area arranged over a circuit board attaching portion of a bottom-outer surface to which the circuit board is attached, and a second bottom-inner area arranged other than the first bottom-inner area in a level axially lower than the first bottom-inner area. The second bottom-inner area defines a base of the concave portion arranged in the bottom-inner surface of the base bracket. A characteristic frequency of the disk storage device using the motor with the base bracket is preferably adjustable by changing the depth or width of the concave portion while the strength of the base bracket is preferably maintained. | 07-15-2010 |
| 20100329104 | SPINDLE MOTOR AND STORAGE DISK DRIVE APPARATUS - A spindle motor includes a stator unit and a rotor unit supported to be rotatable with respect to the stator unit. The stator unit includes a stator, a base portion including a through hole, and a circuit board. The circuit board includes a connection portion to which a conductive wire from the stator is connected after passing through the through hole, and an extending portion arranged to extend from the connection portion. A lower surface of the base portion includes a recess portion arranged to accommodate the connection portion, and a groove portion arranged to extend from the recess portion to have the extending portion arranged therein. A bottom surface of the groove portion includes a protrusion portion arranged to protrude downwards. | 12-30-2010 |
| 20110051591 | FLUID DYNAMIC BEARING, SPINDLE MOTOR HAVING THE FLUID DYNAMIC BEARING, AND STORAGE APPARATUS HAVING THE SPINDLE MOTOR - A fluid dynamic bearing includes an auxiliary bearing portion, a first radial bearing portion and a second radial bearing portion arranged along an axial direction of the fluid dynamic bearing, wherein the auxiliary groove formed in the auxiliary bearing portion is shallower in depth than the radial dynamic pressure groove formed in the first radial bearing portion, and wherein a gap size in the auxiliary bearing portion is set to be equal to or larger than a gap size in the radial bearing portions. | 03-03-2011 |
| 20130094342 | SPINDLE MOTOR AND DISK DRIVE APPARATUS - A spindle motor includes a stationary portion and a rotating portion. The rotating portion includes a magnet arranged around a central axis extending in a vertical direction. The stationary portion includes a base member and a magnetic member arranged below the magnet and fixed to the base member. The base member includes an upper surface extending out perpendicularly or substantially perpendicularly to the central axis, and a wall surface extending in an axial direction. The magnetic member includes an annular plate portion arranged on the base member and a projecting portion arranged to extend downward from the plate portion. At least a portion of the projecting portion is arranged to be in contact with the wall surface. An adhesive is arranged between the plate portion and the upper surface of the base member and between the projecting portion and the wall surface. | 04-18-2013 |
| 20130194907 | ROTATING DEVICE - A rotating device includes: a hub that is rotatably supported by a base, on which a recording disk is to be mounted; a stator core fixed to the base, the core having a ring portion and multiple salient poles that radially extend from the ring portion; and a magnet fixed to the hub, the magnet having multiple magnetic poles arranged along its circumference on its side surface on the salient pole side. The magnet is arranged such that its side surface on the salient pole side faces a side surface of each salient pole and a side surface of a portion of the hub that faces the stator core along a rotational axis direction. | 08-01-2013 |
| 20140010065 | BEARING APPARATUS, SPINDLE MOTOR, AND DISK DRIVE APPARATUS - A bearing apparatus includes a first cup portion defining a portion of a stationary portion of a bearing apparatus includes a first circular plate portion and a first cylindrical portion projecting downward from an outer edge portion of the first circular plate portion. A rotating portion of the bearing apparatus includes an annular recessed portion arranged to accommodate at least a lower end portion of the first cylindrical portion. The stationary portion includes a second cup portion including a second circular plate portion arranged to extend radially outward from an outer circumferential surface of a stationary shaft below the first cup portion and a second cylindrical portion arranged to project upward from an outer edge portion of the second circular plate portion. One of the first and second cup portions is integral with the stationary shaft defining a single monolithic member, and the other is fixed to the stationary shaft. | 01-09-2014 |
| 20160254010 | Record Player and Components | 09-01-2016 |
| 369266000 | Driving mechanism | 4 |
| 20110158080 | Disc Clamp and Spindle Motor Having the Same - Disclosed is a disc clamp including a disc clamp body having a rotational axis hollow engaged with a rotational axis; a first disc balancer that is projected from the disc clamp body in the horizontal direction and formed in a first thickness A; and a second disc balancer that is bent downwards from an end of the first disc balancer in order to fix the disc and formed in a second thickness B, wherein an angle formed between a horizontal surface of the first disc balancer and the second disc balancer is from 92° to 95°. | 06-30-2011 |
| 20120008488 | TURNTABLE - An improved turntable is described with inherent properties for reducing noise generated by external sources or by the parts of the turntable. The plinth of the turntable is comprised of an elastomeric layer and at least one stiffening layer that adds rigidity to the plinth. The support feet, spindle bearing, and armboard only come into contact with the elastomeric layer, which dampens energy, allowing the turntable produce the audio on the record without excessive noise. | 01-12-2012 |
| 20160180878 | Arrangement for Rotatably Driving a Round Disk | 06-23-2016 |
| 369267000 | Speed changing | 1 |
| 20080291809 | DISC ROTATION CONTROL METHOD AND VIDEO CAMERA - A rotation control method of a disc and a video camera using such a method in the video camera having an optical disc drive therein, wherein a vibration occurring due to the rotation of a disc when data is recorded to the disc during photographing is suppressed, an electric power which is consumed by the disc drive is reduced, a real-time recording is accomplished, and quality of the data which is recorded to the disc is not deteriorated. In the video camera, the disc drive is intermittently driven and a rotational speed of the disc and timing for switching the rotational speed of the disc are controlled. | 11-27-2008 |
| 369270100 | Disc holding or locating (e.g., spindle structure) | 11 |
| 20090168639 | SPINDLE MOTOR AND DISK DRIVE APPARATUS PROVIDED WITH THE SAME - A spindle motor includes a rotor unit rotatably supported by a bearing portion arranged to rotate about a central axis, a stator radially opposed to the rotor magnet with a gap therebetween and a substantially ring-shaped magnetic member arranged within a gap at an axial space between a disk and coil layers of the stator. The magnetic member includes a first planar portion and a second planar portion formed in a region overlapping with a moving region of a head unit, the first planar portion being positioned higher than the second planar portion. A carriage unit arranged to support the head unit may be accommodated within a space defined by the radial outer surface of the first planar portion, the upper surface of the second planar portion and the lower surface of the disk. Further, the coil layers can be made radially non-uniform in conformity with the shape of the magnetic member. | 07-02-2009 |
| 20090196154 | METHOD FOR MANUFACTURING A BEARING MECHANISM, ELECTRIC MOTOR AND STORAGE DISK DRIVE APPARATUS - A method for manufacturing a bearing mechanism used in an electric motor includes (a) inserting an annular member into a substantially cylindrical closed-bottom cup member to bring a first end portion of a shaft fitted to the annular member into contact with a thermoplastic resin member arranged on an inner bottom surface of the cup member, bringing the annular member into contact with the shaft in a direction leading from an opening of the cup member to a bottom portion of the cup member, and fixing the annular member to the cup member; and (b) deforming the resin member by externally heating the bottom portion of the cup member and applying a load acting toward the bottom portion on a second end portion of the shaft. Further, an electric motor includes a rotor unit, a stator unit, and the bearing mechanism manufactured by this method. | 08-06-2009 |
| 20100142359 | SPINDLE MOTOR AND DISK DRIVE APPARATUS USING THE SAME - A spindle motor includes a shaft arranged concentric with as a central axis and extending in a vertical direction, a rotor unit arranged to rotate about the central axis, a stator including a base member and a magnetic member fixed to the base member and axially opposed to the magnet. The magnetic member includes an opposing portion axially opposed to the magnet so that a magnetic attracting force is generated between the opposing portion and the magnet and a protrusion portion protruding downwards from the opposing portion. The base member includes a recess portion, and the protrusion portion of the magnetic member is fixed within the recess portion. | 06-10-2010 |
| 20100202275 | TURNTABLE - A turntable of a recording medium drive can include a coupler having an inner circumference to which a rotating shaft is fixed, and an outer circumference onto which a disk is inserted; a table extending outwardly from the outer circumference of the coupler and for mounting the disk thereon; and first and second claws elastically supporting the disk by making contact with a clamping region of the disk. In an embodiment, the distance from the center of the rotating shaft to an outer surface of the first claws making contact with the clamping region of the disk is longer than the distance from the center of the rotating shaft to an outer surface of the second claw making contact with the clamping region of the disk. | 08-12-2010 |
| 20130077462 | MANUFACTURING METHOD OF DISK DRIVE DEVICE CAPABLE OF REDUCING AMOUNT OF UNBALANCE, DISK DRIVE DEVICE AND SUBASSEMBLY THEREOF - A disk drive device is provided with a recording disk, a base member, a bearing unit, and a hub member. In a marking step, unbalance information indicating the displacement of the center of gravity of the hub member with respect to the rotation center of the hub member is acquired, and an information mark containing the unbalance information is applied to at least the hub member or the base member. In an installing and adjustment step, the unbalance information is read form the information mark, and the position for installing the recording disk in an outer cylinder part is determined in accordance with the unbalance information so as to install the recording disk on the hub member. | 03-28-2013 |
| 20130201812 | SPINDLE MOTOR AND DISK DRIVE APPARATUS - A spindle motor includes a flat stator, a rotor magnet arranged above the stator, and a magnetic portion made of a ferromagnetic material. The magnetic portion is positioned lower than the stator and the magnetic portion are axially overlapped with coils. A magnetic attraction force is generated between the magnetic portion and the rotor magnet. Since the magnetic portion is positioned lower than the stator, it is possible to cause magnetic fluxes to efficiently flow between the rotor magnet and the stator. Further, the stator includes a protrusion protruded radially outward beyond an outer circumferential portion of a rotor hub. Accordingly, in a plan view, the stator is positioned radially outward of the rotor hub. | 08-08-2013 |
| 20130272107 | DEBRIS REDUCING DISK CLAMP FOR DISK DRIVES - A disk clamp for clamping a plurality of disks within a disk drive has a single fastening hole located at its symmetrical center sized to pass the shaft of a screw having a head diameter larger than the fastening hole. The screw fastens the disk clamp to a motor hub supporting the plurality of disks. The disk clamp has a moat around the fastening hole, at a maximum diameter that is smaller than the head diameter of the head on the fastening screw. The moat may be circular, have spike trenches angled toward the fastening hole, or be spiral. The diameter of the spiral moat decreases in a clockwise or counterclockwise direction toward the fastening hole. The midsection of the disk which the screw head covers is biased at a negative angle toward the fastening hole forcing particles generated during assembly toward the fastening hole of the disk clamp. | 10-17-2013 |
| 20130272108 | DISK CLAMP HAVING UNIFORM CLAMPING LOAD AND INDEX MARK - A disk clamp for clamping a number of magnetic hard disks within a disk drive has a plurality of balance weight holes and a coined index mark for use as a reference in balancing the hard disks after assembly. The disk clamp also has a coined profile located adjacent or around the balance weight holes in order to provide uniform circumferential clamp force by the disk clamp. The disk clamp has a profile that places the inner region of the disk clamp in the plastic deformation region at a certain specified clamping force at the center of the disk clamp. | 10-17-2013 |
| 20140078879 | BEARING APPARATUS, SPINDLE MOTOR, AND DISK DRIVE APPARATUS - A bearing apparatus includes a stationary shaft, an upper annular portion, a lower annular portion, and a sleeve. An outer circumferential surface of the upper annular portion includes a cylindrical surface and an inclined surface arranged above the cylindrical surface. The cylindrical surface has an axial length smaller than that of the inclined surface of the upper annular portion. One of an upper surface of the sleeve and a lower surface of the upper annular portion includes a pumping groove array defined therein. An upper surface of a lubricating oil is defined in an upper capillary seal portion, while a lower surface of the lubricating oil is defined in a lower capillary seal portion. The upper capillary seal portion has an opening angle larger than that of the lower capillary seal portion. | 03-20-2014 |
| 369271100 | With detail of storage medium contact structure on turntable surface | 2 |
| 20120230175 | Visual Enhancement for Turntable Playback - An apparatus for enhancing media playback on a turntable, such as an audio record turntable, includes an illumination apparatus. The illumination apparatus is generally placed on the turntable's platter, beneath a record to be played. The record may be transparent or semi-transparent. The illumination apparatus includes a light source that projects light up through the record for producing a visual effect. | 09-13-2012 |
| 20140086036 | SPINDLE MOTOR AND DISK DRIVE APPARATUS - A spindle motor includes a stationary portion and a rotating portion including a rotor hub, and includes a recording disk and a clamper mounted thereon. The rotor hub includes a hub circular plate portion whose outer circumferential portion includes a hub slanting surface, and a hub cylindrical portion whose outer circumferential portion includes a hub screw portion. The hub screw portion, to which the clamper is screwed, includes at least a first hub screw groove, a first hub screw thread arranged to be adjacent to the first hub screw groove, and upper and lower flanks arranged to together define the first hub screw thread. The hub slanting surface connects with the first hub screw groove. The length of the hub slanting surface is longer than the length of the upper flank. | 03-27-2014 |
