Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 8064158 | Systems, methods, and apparatus for controlling Bi-directional servo actuator with PWM control Certain embodiments of the invention may include systems, methods, and apparatus for controlling bi-directional drive current through an actuator. The method may include receiving a direction control signal, manipulating one or more devices to establish at least one... | 11/22/2011 |
| 7760463 | Multiple disks in a single disk package A disk drive having a single drive motor and multiple platters that incorporates two discrete data paths, actuators and heads to the disk platters. Utilizing the economy of very large capacity disk platters, two or more disk drives can be created within a single phy... | 07/20/2010 |
| 7742255 | Head-disc interface (HDI) modal response monitoring Apparatus and method for head-disc interface (HDI) modal response monitoring. A sensing element disposed on a rigid actuator arm is mechanically impedance matched to a head-disc interface (HDI) supported by the actuator arm to resonate at a predetermined frequency c... | 06/22/2010 |
| 7706101 | Transducer positioning assembly An actuator assembly is provided for positioning a transducer with a primary frame and a secondary frame mounted thereto for transverse translation. A coarse actuator is connected to the frames for translating the secondary frame incrementally. A carriage with a tra... | 04/27/2010 |
| 7430091 | Method and apparatus for improving the performance of a disk drive An implementation of a disk drive with improved efficiency where a read head supported by a first positioning component is provided and a write head supported by a second positioning component is also provided. By positioning the write head behind the read head at a... | 09/30/2008 |
| 7385781 | Multi-arm disk drive system having interleaved read/write operations and method of controlling same A hard disk drive system that includes one or more rotating data storage platters, a drive controller and multiple actuator assemblies and corresponding respective read/write heads. The actuator assemblies are separately movable for performing separate data seeks. T... | 06/10/2008 |
| 7379257 | Magnetic disk drive A magnetic disk drive includes an actuator arm, a suspension fixed to a tip end of the actuator arm, and a head slider having at least two electromagnetic transducers mounted at a tip end of the suspension. The head slider has a first electromagnetic transducer incl... | 05/27/2008 |
| 7375911 | Piezoelectric actuator and sensor for disk drive dual-stage servo systems A hard disk drive is disclosed comprising at least one disk rotatable about an axis, an actuator assembly moveable relative to the disk, a transducer positioned on the actuator assembly, an actuator signal line, a piezoelectric actuator element disposed on the actua... | 05/20/2008 |
| 7353524 | Disk drive with airflow channeling enclosure A disk drive includes a disk drive base, a disk, and a head stack assembly rotatably coupled to the base adjacent the disk surface of the disk. The disk drive includes an airflow channeling enclosure. The enclosure includes an airflow inlet disposed downstream of th... | 04/01/2008 |
| 7342740 | In-situ compensation method of microactuator stroke sensitivity subject to temperature variation A hard disk drive that includes a voice coil motor and a micro-actuator. The micro-actuator is controlled by a servo that utilizes a micro-actuator calibration parameter. To compensate for temperature changes within the disk drive the micro-actuator calibration para... | 03/11/2008 |
| 7330333 | Hard disk drive housing having isolated post to improve mechanical shock resistance A hard disk drive with a post that extends from a base of a base plate. The base has a slot adjacent to the post. The slot attenuates a shock wave that propagates through the base plate of the drive. ... | 02/12/2008 |
| 7324301 | Striping data simultaneously across multiple platter surfaces A hard disk drive comprises an actuator with independently movable arms and a printed circuit board with custom core electronic architecture. The drive also comprises one or more platters aggregating two or more platter surfaces whereupon data may be read from or wr... | 01/29/2008 |
| 7283319 | Ensuring rate of spin-up/spin-down cycles for spindle motor in a hard disk drive does not exceed rate spindle motor is designed to handle A method, computer program product and hard disk drive for restricting a rate of spin-up/spin-down cycles for a spindle motor in a hard disk drive. The firmware in the hard disk drive determines a maximum rate of spin-up/spin-down cycles the spindle motor is designe... | 10/16/2007 |
| 7283321 | Disk drives and methods allowing for dual stage actuator adaptive seek control and microactuator gain calibration A disk drive includes a disk, a head, a coarse actuator, a microactuator, and a servo controller. The microactuator positions the head relative to the disk. The coarse actuator positions the microactuator and the head relative to the disk. The servo controller contr... | 10/16/2007 |
| 7280308 | Motor drive semiconductor integrated circuit and magnetic disk storage apparatus The Invention provides a motor drive semiconductor integrated circuit for driving and controlling a voice coil motor that can conduct a seek operation, a track follow operation and a settling operation through PWM control, has desired control accuracy and can be pro... | 10/09/2007 |
| 7280313 | High aspect ratio co-planar structure fabrication consisting of different materials A a method for fabricating a structure, such as a magnetic head, having two coplanar metallic features of different compositions, both deposited on their own seed layers. The features may be made tall relative to their widths (ie. have a high aspect ratio), and are ... | 10/09/2007 |
| 7274525 | Information processing system There is disclosed an information processing system which makes it impossible for a malicious third person to intrude thereinto from the outside through an external network for altering information recorded on a storage device of the server system or surreptitiously... | 09/25/2007 |
| 7274119 | Yoke for voice coil motor in recording disk drive A first yoke member is received on a first reference plane defined on a support body. A second yoke member is coupled to the first yoke member so as to define a space for accommodation of a voice coil between the first and second yoke members. The second yoke member... | 09/25/2007 |
| 7265935 | Velocity adaptive compensator for a synchronous sampling time-based servo system Disclosed are a system, a method, and article of manufacture to provide a velocity adaptive compensator for a synchronous sampling servo control system. ... | 09/04/2007 |
| 7259966 | Apparatus, system, and method for reducing rotational vibration transmission within a data storage system An apparatus, system, and method are disclosed for reducing rotational vibration transmission within a data storage system. A storage device apparatus comprises a carrier having opposing first and second side plates. A support point may be disposed within the first ... | 08/21/2007 |
| 7253982 | Dynamic shock detection in disk drive using hair trigger timer Dynamically detecting off-track errors in a disk drive by adjusting transducer head position control parameters in response to shock events. In an embodiment, shock events with large magnitude trigger a severe shock timer which lengthens the write fault before write... | 08/07/2007 |
| 7245453 | Servo track having periodic frames of tone field and embedded synchronization marks Methods and systems for sensing a position of a transducer head with respect to a storage medium. One method includes generating a read signal from a servo track stored on a magnetic storage medium. The servo track includes servo frames of magnetic flux transitions ... | 07/17/2007 |
| 7245448 | Information recording apparatus and data writing control device therefor A plurality of recording media combined integrally having a plurality of recording surfaces; and a plurality sets of reading heads and writing heads, combined integrally, provided for the respective ones of the plurality of recording surfaces, are provided. Upon wri... | 07/17/2007 |
| 7239052 | Magnetic actuators A magnetic actuator. A yoke includes a first opening and a second opening, a frame, and a path. A first magnet is disposed in the first opening in the vicinity of the frame. A second magnet is disposed in the second opening in the vicinity of the frame. A coil compr... | 07/03/2007 |
| 7239570 | Magnetic memory device and method for magnetic reading and writing Disclosed herein are a magnetic memory device and method for storing and retrieving data. The magnetic memory device includes a read disk and a storage disk. The read disk comprises of an array of read heads wherein the individual read head corresponds to a storage ... | 07/03/2007 |
| 7218482 | Micro-actuator, head gimbal assembly and manufacturing method thereof A head gimbal assembly comprising a slider having a read\write sensor; a suspension to load the slider; a micro-actuator; wherein the micro-actuator comprises a piezoelectric unit with two piezoelectric elements and a support base having a base to be coupled with th... | 05/15/2007 |
| 7215499 | Multi-stage actuator disk drive and methods for controlling a transducer with settle-switching state dependent feed-forward control A disk drive and method are provided for controlling seeking of a transducer that is adjacent to a rotatable data storage disk in a disk drive. The disk drive includes an actuator for positioning the transducer relative to the disk, the method comprising. The actuat... | 05/08/2007 |
| 7215496 | Disk drive having adaptively-sized sectors to compensate for disk eccentricity A disk drive includes an actuator assembly having a read/write head, a spindle motor, a disk mounted for rotation on the spindle motor, a wedge-to-wedge timer and a sector size selector. The disk includes a recording surface having a plurality of tracks and each tra... | 05/08/2007 |
| 7209311 | Data storage device and control method therefor to prevent off-track writing Embodiments of the invention provide control of a disk data storage device to prevent off-track writing. In one embodiment, the SA acquires the CYLIDs and ADC Values generated from the SERVO SIGNALs acquired previously, and generates DACOUT which defines a driving c... | 04/24/2007 |
| 7205818 | Current loop drive module with dynamic compliance voltage A current loop drive module includes a drive circuit and a compliance voltage controller. The drive circuit is configured to receive a compliance voltage and operable to generate a current loop signal based on the compliance voltage for receipt by an associated load... | 04/17/2007 |
| 7193804 | Method and apparatus for controlling head velocity in a disk drive during ramp load/unload A disk drive controls head velocity during ramp load/unload by measuring voltages across a VCM and a sense resistor in series with the VCM, calculating a back EMF voltage using the VCM and sense resistor voltages, and adjusting the head velocity using the back EMF v... | 03/20/2007 |
| 7161768 | Disk drive including an orthogonally disposed actuator coil and an E-shaped voice coil motor yoke for supporting a pair of voice coil magnets A disk drive including a generally E-shaped voice coil motor yoke. The yoke includes a generally C-shaped integrally formed first yoke body, the first yoke body including a first yoke first prong and a first yoke second prong. The yoke further includes a generally C... | 01/09/2007 |
| 7158338 | Servo track having periodic frames of tone field and embedded synchronization marks Methods and systems for sensing a position of a transducer head with respect to a storage medium. One method includes generating a read signal from a servo track stored on a magnetic storage medium. The servo track includes servo frames of magnetic flux transitions ... | 01/02/2007 |
| 7154702 | Head actuator Disclosed herein is a head actuator for a head provided so as to accessible to a disk-shaped recording medium rotating above a base. The head actuator includes a main actuator driven so as to rotate above the base, and a microactuator driven so as to swing relative ... | 12/26/2006 |
| 7148935 | On-board entertainment system entertainment display retractor position sensor A position sensor for determining the relative physical location of a movable item via a combination of a sensor and an indicator plate affixed to an actuator device. ... | 12/12/2006 |
| 7145307 | Data storage apparatus and control method thereof with compensation Embodiments of the invention provide a data storage apparatus and its control method capable of accurately reading/writing data. A data storage apparatus in an embodiment of the invention comprises: a servo control section which, based on servo data stored on the st... | 12/05/2006 |
| 7145743 | Apparatus and method for unlatching a head within a data storage device For unlatching a head within a data storage device, such as a HDD (hard disc drive), a VCM (voice coil motor) amplifier with a switch is used for applying at least one cycle of an acceleration current pulse to a voice coil motor (VCM) for unlatching the head during ... | 12/05/2006 |
| 7145749 | Actuator assembly including an actuator body damping assembly An actuator assembly including a body portion having at least one actuator arm extending therefrom is disclosed. The body portion includes a body damping assembly to control vibration modes of the actuator body. The damping assembly is coupled to the actuator body o... | 12/05/2006 |
| 7146623 | Head support device and it's driving method, and drive disk using same The present invention provides a head support mechanism wherein the position can be accurately corrected at a high speed when the mode is shifted from reproducing to recording, and also, the deflection of recording magnetic field from the direction of initialized ma... | 12/05/2006 |
| 7142381 | Servo writing devices for creating servo patterns with inherent track ID The invention is directed to patterns of amplitude-based servo windows that eliminate the need for conventional track identification marks, and various servo writing devices and head configurations that facilitate creation of such servo patterns. The patterns of ser... | 11/28/2006 |
