Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 21 - Head arrangements not specific to the method of recording or reproducing
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
12/2007
12/11/2007US7307809 Correlation servo for positioning recording head
12/11/2007US7307808 Magnetic recording and reproducing apparatus and control method thereof, magnetic recording medium, and stamper for manufacturing of magnetic recording medium
12/11/2007US7307807 Disk servo pattern writing
12/11/2007US7307228 Method and apparatus for detecting free fall
12/11/2007US7306743 Recording medium, method of manufacturing recording medium and recording apparatus
12/06/2007WO2007138678A1 Magnetic head, its manufacturing method, and magnetic disk device
12/06/2007US20070280090 Optical pickup device and optical disc apparatus
12/06/2007US20070280082 Optical Pickup Transfer Apparatus
12/06/2007US20070279796 Magnetic disk device, servo-information writing device, magnetic disk, and magnetic disk device manufacturing method
12/06/2007US20070279795 Method and apparatus for adaptation to humidity in a hard disk drive
12/06/2007US20070279794 Feedforward controller and methods for use therewith
12/06/2007US20070279793 Current pulsing for unloading
12/06/2007US20070279792 Shock feed forward adaptive filters
12/06/2007US20070279783 Helical-scan-type magnetic tape recording and reproducing apparatus and magnetic tape recording and reproducing method
12/06/2007US20070279780 Method and apparatus to optimize write current in a write head
12/05/2007EP1863164A1 Enhancement of the efficiency of energy recovery during spindle motor step-up phase for parking the R/W head of a disk storage device upon external supply failure
12/05/2007CN101083124A Head gimbal assembly and manufacturing method thereof
12/05/2007CN101083085A Magnetic disk device, servo-information writing device, magnetic disk, and magnetic disk device manufacturing method
12/05/2007CN101083083A Flexure for minimizing fly height modulation of near-contact recording sliders in a disk drive
12/05/2007CN101083082A Carriage assembly and storage medium drive
12/05/2007CN101083080A Magnetic head and method of manufacturing the same
12/05/2007CN100353420C Disk drive with negative-pitch slider for contact recording
12/05/2007CN100353419C Micro-driver, magnetic head tabs assembly and manufacturing method thereof
12/04/2007US7305684 Optical media pick and process
12/04/2007US7304919 Optical information reproducing apparatus having a servo control circuit
12/04/2007US7304818 Preconditioning an elastomeric stop member for use as a reference position
11/2007
11/29/2007US20070274166 Optical disc drive
11/29/2007US20070274007 Air razor and disk limiter for a hard disk drive
11/29/2007US20070274000 Disk drive, method for controlling the same, and method for manufacturing the same
11/29/2007US20070273999 Storage device, data-assurance control device, and data assurance method
11/29/2007US20070273996 Reduced convolution for repetitive disturbance rejection
11/28/2007EP1326902B1 Degradable, amorphous, fluoroacrylate polymers
11/28/2007CN101079468A Voltage-electric part and its making method and magnetic header folding slice combination and disk driving device
11/28/2007CN101079306A Dual polarity bias for prolonging the life of a heating element in magnetic data storage devices
11/28/2007CN101079305A Magnetic head folding sheet combination with micro-actuator and its production method and magnetic disc driving unit
11/28/2007CN101078638A Optical head tri-dimensional torquer inclined movement characteristic curve test method
11/28/2007CN100351938C Piezoelectric body driving element and its mfg. meethod
11/28/2007CN100351925C Transmission mechanism of optical head
11/28/2007CN100351924C Pick-up head return-to-zero positioning method
11/28/2007CN100351908C Magnetic recording and reproducing apparatus and magnetic recording medium
11/28/2007CN100351903C Head drum assembly for magnetic recording and reproducing apparatus
11/27/2007US7301857 Media player including a resume function
11/27/2007US7301731 Head assembly having microactuator
11/27/2007US7301730 Suspension with stiffened end-tab for actuator in data storage device
11/27/2007US7301729 Suspension, head gimbal assembly with multilayered plate suspension having ribs and disk drive apparatus with head gimbal assembly
11/27/2007US7301722 Wave torque retract of disk drive actuator
11/27/2007US7301721 Falling sensor and the information processing device making use of it
11/27/2007US7301720 Method of determining and applying adaptive track zero position and disc drive using the same
11/27/2007US7301716 Stepped time based servo pattern and head
11/27/2007US7301715 Preamplifier fly height control (FHC) driver and sensing circuit
11/27/2007US7301647 Method for regulating shape of floatation surface of slider floating above record carrier
11/22/2007WO2007132516A1 Recording medium driver and head suspension assembly
11/22/2007WO2007132501A1 Method of manufacturing head slider and head slider
11/22/2007US20070268809 Wire isolation apparatus for record playback system
11/22/2007US20070268791 Remote monitoring device
11/22/2007US20070268790 Disc picking device and disc processing apparatus having the same
11/22/2007US20070268618 Regulating read/write transducer movement responsive to acoustics
11/22/2007US20070268616 Tri-state servowriter driver with slow return to zero
11/22/2007US20070268615 Closed loop fly height control
11/22/2007US20070268614 Head damage detection based on actuation efficiency measurements
11/22/2007US20070268613 Regulating data writes responsive to head fly height
11/22/2007US20070268612 Estimation and control of head fly height
11/22/2007US20070268610 Estimating residual temperature for flying height adjustment of read/write heads
11/22/2007US20070268609 Control device of storage/reproduction mechanism
11/22/2007US20070268608 Head floating amount control method and unit, storage apparatus and computer-readable program
11/22/2007US20070268607 Charge remover for magnetic disk
11/21/2007CN200979798Y A magnetic disk servo information check device
11/21/2007CN101075472A System and method for using chemical and mechanical polishing technology to generating micro grain on sliding device substrate
11/21/2007CN101075471A Control device of storage/reproduction mechanism, control method and storing device for using the same method
11/21/2007CN101075470A Head floating amount control method and unit, storage apparatus and computer-readable program
11/21/2007CN101075469A Information record device and method
11/21/2007CN101075441A Method of reworking magnetic head assembly
11/21/2007CN101075439A Magnetic-head broken sheet combination, its production and magnetic-disk driving unit
11/21/2007CN100350644C Film piezoelectric element and manufacturing method thereof and executive component using the piezoelectric element
11/21/2007CN100350490C Magnetic disk apparatus and servo signal recording method thereof
11/21/2007CN100350465C Disc-driving device
11/21/2007CN100350460C System, method, and apparatus for improving the multiple velocity performance and write element protrusion compensation of disk drive sliders
11/21/2007CN100350459C Apparatus and method of configuring the air bearing surfaces of sliders in disk drives
11/21/2007CN100350458C Servo writing header
11/21/2007CN100350456C Producing method for sliding device of thin film magnetic head
11/20/2007US7299481 Support mechanism and feeding unit including same
11/20/2007US7298593 Micro-actuator including a leading beam pivot part, head gimbal assembly and disk drive unit with the same
11/20/2007US7298592 Actuator with dynamic characteristic and a four section VCM coil and disk drive having the same
11/20/2007US7298591 Rotating disk storage device with a retracting actuator head suspension assembly
11/20/2007US7298575 Load/unload systems and methods for maximizing disk writeable area
11/20/2007US7298574 Servo writing a disk drive using correction values that attenuate phase error propagation
11/20/2007US7298573 Magnetic disk drive with offset detection of composite magnetic head
11/20/2007US7298572 Fly height adjusted sweep cycle for a disc drive
11/20/2007US7298568 Systems and methods for using worf to identify burst patterns for repair
11/20/2007US7298566 Data storage device and control method therefor involving flying height
11/20/2007US7296336 Method to protect a GMR head from electrostatic damage during the manufacturing process
11/15/2007US20070263326 Apparatus and method for including amplification of read signal in slider of a hard disk drive
11/15/2007US20070263315 Disk device with bi-directional communication function
11/15/2007US20070263314 Apparatus and method for head gimbal assembly sharing power to slider amplifier and micro-actuator in a hard disk drive
11/15/2007US20070263311 Position determination using circular shift codes
11/15/2007US20070263309 Method of determining optimal write current parameters of magnetic recording device and storage device using the method
11/14/2007EP1210715B1 Magnetic sensing of motion in microfabricated devices
11/14/2007EP0888609A4 In-drive correction of servo pattern errors
11/14/2007CN101073111A Guiding system for guiding an object along a motor driven spindle and module equipped with such guiding system
11/14/2007CN101073013A Fall detecting apparatus and magnetic disc apparatus
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