Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
03/2014
03/19/2014CN102157178B Optical disc drive
03/19/2014CN101821808B Systems and methods for fly height measurement for between a head assembly and a storage medium
03/18/2014US8675313 Suspension board with circuit
03/18/2014US8675312 Magnetic head suspension
03/18/2014US8675310 Embedded chip tape head
03/18/2014US8675299 Head radial positioning over contact-start-stop zone during spin-up/spin-down of disk
03/12/2014CN103635966A Recording disk drive device and resin component therefor
03/11/2014US8670205 Hybrid drive changing power mode of disk channel when frequency of write data exceeds a threshold
03/06/2014WO2014032458A1 Dynamically controlling tape velocity
03/06/2014US20140063647 Easy axis hard bias structure
03/06/2014US20140063646 Magnetic recording head having protected reader sensors and near zero recessed write poles
03/06/2014US20140063645 Magnetic recording head having protected reader sensors and near zero recession writer poles
03/06/2014US20140063644 Magnetic Element with Multiple Selective Transducing Elements
03/06/2014US20140063641 Circuitry for controlling a voice coil motor
03/06/2014US20140062678 System and method for controlling device location determination
03/04/2014US8665565 Trace jumpers for disc drive suspensions
03/04/2014US8665564 Suspension with furcated write wire, head gimbal assembly and disk drive unit with the same
03/04/2014US8665560 Head with supplemental module for backward and/or cross-platform compatibility
03/04/2014US8665549 Method for creating burst magnitude servo patterns with unipolar bits on a magnetic media of a magnetic data recording system
03/04/2014US8665548 Magnetic recording device and magnetic recording method
03/04/2014US8665546 Adaptive threshold for detecting touchdown or contamination
02/2014
02/27/2014US20140055882 Real time close loop fly height control
02/26/2014EP2700833A1 Tolerance ring and method for manufacturing tolerance ring
02/25/2014US8659851 Permanent magnet member for voice coil motor and voice coil motor
02/19/2014CN103597121A Method for surface-treating metal component
02/18/2014US8654482 Dual stage actuator suspension having a single microactuator and employing pseudo symmetry to achieve suspension balance
02/18/2014US8654466 Calculation of head media separation (HMS) from servo preamble in a hard disk drive
02/12/2014CN103578513A Information processing apparatus and control method thereof
02/11/2014US8649667 Recording/reproducing device
02/11/2014US8649119 Measuring variations in head-disk clearance in a hard disk drive
02/11/2014US8646922 Mirror mounting assembly
02/06/2014US20140036649 System and Method for Off-Track Write Prevention and Data Recovery in Multiple Head Optical Tape Drives
02/06/2014US20140036384 ABS Design for Uniform Touch-Down and Back-Off in DFH Applications
02/04/2014US8645979 Optical pickup
02/04/2014US8644118 Information carrier comprising access information
02/04/2014US8643974 Dynamic reduction of tape stain accumulation on tape head assembly across multiple environments
01/2014
01/30/2014WO2014015763A1 Magnetic recording method and magnetic recording device
01/30/2014US20140029140 Actuator arm with a shelf and cutout
01/30/2014US20140029133 Read/write apparatus and read/write method
01/30/2014US20140029125 Technique for optimizing skew in the presence of tape motion
01/28/2014US8638521 Shingled recording apparatus and method capable of detecting drifted-off writing
01/28/2014US8638520 Magnetic recording apparatus and data reading method
01/28/2014US8638516 System and method for improved free fall detection
01/28/2014US8638349 Head-medium contact detection using introduced heat oscillation
01/23/2014US20140022666 Variable stopwrite threshold with variable smoothing factor
01/23/2014US20140022662 Reference circuit with curvature correction using additional complementary to temperature component
01/21/2014US8634283 Disk drive performing in-drive spiral track writing
01/21/2014US8634158 Disk drive generating feed-forward actuator compensation based on a speaker driver signal
01/21/2014US8634157 Close loop method for measuring head SNR and media SNR
01/16/2014US20140016226 Determining a skew error signal (ses) offset used to determine an ses to adjust heads in a drive unit
01/16/2014US20140016225 Magnetic media access head with metal coating
01/14/2014US8631196 Digital device configuration and method
01/14/2014US8630066 Hard disk drive including a micromotion actuator and a damping unit
01/14/2014US8630057 In-situ contact potential measurement in hard-disk drives
01/14/2014US8630056 Hybrid drive adjusting spin-up profile based on cache status of non-volatile semiconductor memory
01/14/2014US8630055 Systems and methods for medium contact detection
01/07/2014US8627346 Disc cartridge
01/07/2014US8626971 Flash memory method and apparatus with single-press button response
01/07/2014US8625229 Servo control in a patterned-media magnetic recording disk drive using a reference table
01/07/2014US8625216 Servo zone detector
01/02/2014US20140002922 Failure-Resistant Multi-LUN Hard Disk Drive
01/02/2014US20140002920 Systems and Methods for Identifying Head Contact
01/01/2014CN103492734A Tolerance ring and method for manufacturing tolerance ring
12/2013
12/31/2013US8619383 Disk drive with dynamic head fly height back-off
12/31/2013US8619380 Detecting and recovering timing slips in a self servo write (SSW) system
12/26/2013US20130342929 Method of compensating for repeatable runout error
12/24/2013US8614859 Stopping method for a spindle motor and related device
12/19/2013US20130335856 Dynamic Track Pitch Control for Shingled Magnetic Recording (SMR)
12/19/2013US20130335854 Perpendicular recording head with leading bump in the main pole having narrow leading gap (lg)
12/19/2013US20130335853 Pipelined Vectoring-Mode CORDIC
12/19/2013US20130335852 In-Situ Contact Potential Measurement in Hard-Disk Drives
12/18/2013CN102280112B Thermal flying-height control slider for hard disk drive
12/17/2013US8611050 Localized heating for flip chip bonding
12/17/2013US8611041 Servo control method and apparatus in seek retry condition and disk drive apparatus using the same
12/17/2013US8611040 Disk drive adjusting microactuator gain by injecting a sinusoid into a servo control system
12/17/2013US8611036 Disk drive with head thermal fly-height actuator and controller for compensation of write head expansion
12/12/2013US20130329315 Servo control in a patterned-media magnetic recording disk drive using a reference table
12/10/2013US8607007 Selection of data storage medium based on write characteristic
12/10/2013US8605383 Methods, devices and systems for characterizing polarities of piezoelectric (PZT) elements of a two PZT element microactuator
12/10/2013US8605382 Disk drive to load a head to a load/unload (LUL) zone of a disk
12/10/2013US8605381 Systems and methods for phase compensated harmonic sensing in fly height control
12/05/2013US20130326316 Systems and Methods for Improved Data Detection Processing
12/05/2013US20130321948 Shingled magnetic recording disk drive with compensation for the effect of far track erasure (fte) on adjacent data bands
12/05/2013US20130321947 Write synchronization in bit patterned media using auxiliary read head
12/03/2013US8599519 Head rotator assembly for tape drive
12/03/2013US8599512 Current sensor comprising differential amplifier biased by leakage current
11/2013
11/28/2013WO2013176296A1 Dynamic loop with fold
11/28/2013US20130314816 Transducer head with multiple read sensors
11/27/2013CN103415885A Wiring circuit board, flexible substrate for suspension, and method of producing flexible substrate for suspension
11/26/2013US8593918 Maintaining tape emulation consistency
11/26/2013US8593763 Preventing oil migration to slider fluid bearing surface
11/26/2013US8593755 Flying height measurement
11/26/2013US8593754 Magnetic tape driving apparatus having a head displacing portion
11/26/2013US8593753 Touchdown detection
11/26/2013US8593749 Hard-disk drive including fly-height-adjustment heating element and position-adjustment heating element and method of controlling fly height
11/21/2013WO2013172313A1 Tolerance ring
11/21/2013US20130308223 Excitation of airbearing oscillation with tar nearfield device for touchdown detection
11/19/2013US8587903 Suspension with high conductivity ground layer
11/19/2013US8587902 Device select system for multi-device electronic system
11/19/2013CA2680404C Apparatus and method for modulation/demodulation with consecutive minimum runlength limitation
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