Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
10/1998
10/21/1998EP0761002B1 Servo-writing system for use in a data recording disk drive
10/21/1998EP0545945B1 Process for shortening the access time
10/21/1998CN1196815A Crash stop airlock mechanism
10/20/1998US5825745 Data storage-playback apparatus and optical disk apparatus
10/20/1998US5825591 Frictionally sliding head magnet disk apparatus
10/20/1998US5825590 Magnetic head suspension mechanism with a thin film thereon for creating a bent portion of a vibration absorbing portion
10/20/1998US5825588 For supporting a transducer
10/20/1998US5825587 Shallow etch air bearing surface features for optimized transducer spacing
10/20/1998US5825581 Magnetic disk drive where seek speed depends on atmospheric pressure and seek direction
10/20/1998US5825580 Data recording/reproducing device and burst position conversion coefficient setting method in the same
10/20/1998US5825578 Method and apparatus for compensating track position due to written-in runout error in a disc drive
10/20/1998US5825577 Magnetic disk device for detecting a floating state of a magnetic head
10/20/1998US5825575 Controlling voice coil motor of hard disk drive for decentralizing abrasion of parking zone of disk
10/20/1998US5825409 Flexible disk mode observer
10/20/1998US5825318 Data and servo sampling in synchronous data detection channel
10/20/1998US5825179 For testing a magneto-resistive head assembly
10/20/1998US5824920 Method of obtaining a limit glide height
10/15/1998WO1998045841A1 Improved suspension design for a head gimbal assembly
10/14/1998EP0871174A1 Discoidal recording medium, head slider and recording and/or playback apparatus
10/14/1998EP0870270A1 A device for releasably securing a read and/or write head
10/14/1998EP0803119B1 Disk drive stiction release system
10/14/1998CN1195854A Head slider having trapezoidal shape
10/13/1998US5822281 Disk apparatus and disk access method employing counterelectromotive voltage from second voice coil motor to control first voice coil motor
10/13/1998US5822160 Full erase head with guide portion being supported by the tape guide post of VCR
10/13/1998US5822156 Magnetic circuit of a coil motor
10/13/1998US5822155 Magnetic latch assembly for a disk drive including a ferromagnetic holder surrounding a permanent magnetic
10/13/1998US5822147 Position control apparatus and method with a digital filter and a phase change filter section in a disk storage device
10/13/1998US5822144 Apparatus and method for adjusting positional sensitivity of disk unit
10/13/1998US5822142 Method of mapping logical sectors to physical sectors in a disk drive sparing partition
10/13/1998US5820980 Magnetic head
10/13/1998CA2068329C Digital servo control system for use in disk drives
10/08/1998WO1998044489A1 Air-flow actuated latch
10/08/1998WO1998044488A1 Flexure microactuator
10/08/1998WO1998044166A1 Method of manufacturing multistep substrate
10/08/1998DE3546773C2 Automatic optical disc player for digital audio recording
10/07/1998EP0869500A2 Positioning structure of a flexible printed circuit for a pick-up used in a disc drive and a pick-up assembly used in a disc drive
10/07/1998EP0869498A1 Sled motor mounting structure and sliding feed mechanism provided with the sled motor mounting structure
10/07/1998EP0869493A2 Sliding feed mechanism having worm gear
10/07/1998EP0868719A1 Magnetic recording device
10/07/1998CN1195415A Air actuated latching mechanism rotationally resistant to rotational shock force
10/06/1998US5818803 Apparatus for driving an information recording medium and a method for driving same
10/06/1998US5818668 Compact tape drive head positioning system
10/06/1998US5818666 Linear drive motor apparatus for adjusting the relative position between and second yokes of a pair of magnetic circuits
10/06/1998US5818663 Magnetic head suspension with gimbal having increased yaw rigidity without increased pitch or roll rigidity
10/06/1998US5818662 Static attitude and stiffness control for an integrated suspension
10/06/1998US5818658 Variable pneumatic loader for testing a disk drive head gimbal assembly
10/06/1998US5818651 Motor control device for information recording and reproducing apparatus
10/06/1998US5818184 Sled motor sliding prevention circuit
10/06/1998US5818180 Method for positioning the heads in a disk drive
10/01/1998WO1998043245A1 Information equipment
10/01/1998DE19810344A1 Fixing of head pick up drive coil in hard disc drive
09/1998
09/30/1998EP0867876A1 Disk recording-reproducing device
09/30/1998EP0867872A1 Tracking error detecting circuit of an optical storage apparatus
09/30/1998EP0867871A1 Focusing servo circuit of an optical storage apparatus
09/29/1998US5815486 Optical disk, recording/reproducing apparatus and method for rapidly recording/reproducing data on/from an optical disk using gray coding
09/29/1998US5815485 Recording medium, a method for producing the same, a control method using the recording medium, and a recording/reproducing apparatus using the recording medium
09/29/1998US5815470 Disc drive unit
09/29/1998US5815350 Head disk assembly with actuator latch vibration damper
09/29/1998US5815347 Information storage system having an improved planar head-suspension assembly
09/29/1998US5815338 Apparatus and method of detecting head position error in magnetic disk drive
09/29/1998US5815337 Tape drive having an arcuate scanner and a method for calibrating the arcuate scanner
09/29/1998US5815333 Magnetic disc with a flat RAM area and disc device
09/29/1998US5815332 Recording medium having improved servo compensation and method for same
09/24/1998WO1998041832A2 Disk drive head position encoder
09/24/1998WO1998041814A1 Non-contact position sensor
09/23/1998EP0866457A1 Levitation type head for accessing a zone-texture storage medium and a disk apparatus having the levitation type head
09/23/1998EP0866445A2 Head slider having a trapezoidal shape
09/23/1998CN1194074A Synchronous detection of wide bi-phase coded servo information for disc drive
09/23/1998CN1193791A Disk player equipped with pivotably moving disk tray
09/22/1998US5812761 Disk array system
09/22/1998US5812346 Hard disk drive latch which has a metal plate attached to the end face of a damping sleeve
09/22/1998US5812345 Monostable active latch for a disk drive actuator
09/22/1998US5812344 Integrated load beam assembly
09/22/1998US5812343 Base plate with improved swage performance and reduced mass
09/22/1998US5812342 Reduced mass load beam with improved stiffness properties
09/22/1998US5812339 Method and apparatus for controlling the position of an object along a radial direction of a rotating body
09/22/1998US5812338 Method and apparatus for indicating start of servo information on a recording medium
09/22/1998US5812337 Magnetic disk device using reproducing head having a large reproducing width
09/22/1998US5812333 System for the reading of a multitrack recording medium for enabling the reading of a number of information samples on the width of each track
09/22/1998US5812266 Non-contact position sensor
09/22/1998US5811700 Etched support post for precise axial alignment between opposing structures
09/22/1998US5810094 Head/pre-amp ribbon interconnect for data storage devices
09/22/1998US5809635 Method for fixedly attaching covered wires to a head suspension load beam
09/22/1998US5809634 Method of manufacturing magnetic head suspension having circuit wiring pattern
09/22/1998CA2055852C Slope detection method, and information detection/writing apparatus using the method
09/22/1998CA2051192C Tracking method for memory apparatus
09/17/1998WO1998040879A2 Low resonance texturing of magnetic media
09/16/1998EP0864148A1 Suspension system for disk drive
09/16/1998EP0864147A1 Fault-tolerant sample-data servo pattern
09/16/1998EP0763237B1 Power saving method and apparatus for computer disk drives
09/16/1998EP0708966B1 Improved transducer settle method for a hard disc drive
09/16/1998EP0484433B1 Architecture for 2-1/2 inch diameter single disk drive
09/16/1998CN1193436A Synchronous detection of wide bi-phase coded servo information for disk drive
09/16/1998CN1193160A Magnetic head and mfg. method therefor
09/15/1998US5808982 Disk calibration and search method in a CD-ROM drive system
09/15/1998US5808980 Seek actuator for optical recording
09/15/1998US5808975 Optical storage apparatus
09/15/1998US5808840 Actuator assembly for reducing thermal off-track
09/15/1998US5808838 Miniature head disc drive system voice coil with single coil and dual stationary magnets
09/15/1998US5808837 Disk drives