Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
04/1996
04/17/1996EP0707310A1 Head suspension assembly having parallel-coupled load/gimbal springs
04/16/1996US5508991 Tracking error correction for optical head in different modes of operation
04/16/1996US5508874 Disconnect switch circuit to power head retract in hard disk drive memories
04/16/1996US5508865 Head guide assembly providing critial alignments and improved resonance response
04/16/1996US5508864 Flexures which reduce friction in an actuator for a data storage device
04/16/1996US5508862 Slider with an improved profile
04/16/1996US5508857 Magnetic head loading/unloading apparatus maintaining a magnetic head at predetermined positions by permanent magnets
04/16/1996CA2055060C Rotary actuator for disk drive assemblies
04/11/1996WO1996010821A1 Off-track pes calibration for a magneto-resistive element
04/11/1996WO1996010820A1 Head-gimbal assembly with reduced static attitude bias
04/11/1996DE4436174A1 Data recording head support equipment e.g. for floppy disc
04/11/1996DE19536172A1 Support structure for optical disc recorder e.g. for CD, video disc
04/11/1996DE19528270A1 Magnetic disc drive with electrical connection system
04/09/1996US5506831 Method for controlling a head during a starting operation of a disk storage device
04/09/1996US5506735 Magnetic disk drive having programmable sector pulse generator and processor determined track zones
04/04/1996WO1996010249A1 New mode for power-down
04/04/1996DE19536190A1 Optical disk drive with radially transported optical head
04/03/1996EP0704837A1 Hard disk head control
04/03/1996EP0704090A1 Passive non-contact magnetic latch
04/03/1996CN1119771A Head locating actuator and disk apparatus incorporating the same
04/02/1996US5504726 Method and apparatus for calibrating focus and tracking error signals in an optical drive with measuring offsets during track jumps
04/02/1996US5504725 Optical disk apparatus for reading and writing data on an optical disk having tracks formed by adjacent grooves and lands
04/02/1996US5504642 Magnetic recording/reproducing apparatus having a locus plane of rotary heads tiltable with respect to a lower drum
04/02/1996US5504640 One-piece flexure for small magnetic heads
04/02/1996US5504636 Magnetic disk apparatus having improved support for head assembly
04/02/1996US5504402 BEMF rectification voltage when power supply energy fails
03/1996
03/29/1996EP0738416A4 Plug-in actuator latch mechanism
03/27/1996EP0438305B1 Data recording medium and data recording and reproducing apparatus
03/26/1996US5502565 Method and apparatus for measuring the flying height of a magnetic head above a disk surface at three wavelengths
03/21/1996WO1996008815A1 Actuator arm assembly with self-locking arm
03/20/1996EP0701632A1 Aluminum alloys containing beryllium and investment casting of such alloys
03/20/1996EP0701631A1 Beryllium-containing alloys of aluminum and semi-solid processing of such alloys
03/20/1996CN1118919A Method of and apparatus for recording and reproducing optical information
03/20/1996CN1118918A Information storage system having an improved slider-suspension assembly
03/19/1996US5500847 Pickup carriage feeding apparatus of a disc player
03/19/1996US5500844 Device for driving minidisk player
03/19/1996US5500840 Method and apparatus for accessing reading and/or writing means to a desired region on an information recording medium on which a plurality of tracks are spirally formed, in accordance with an estimated arrival position
03/13/1996EP0701252A1 Information recording/reproducing apparatus
03/13/1996EP0701249A2 Negative pressure air bearing sliders
03/13/1996EP0701248A1 Magnetic disk apparatus
03/13/1996EP0701246A2 Apparatus and method for providing multimedia data
03/13/1996EP0700505A1 Interferometric flying height measuring device
03/13/1996CN1118462A Servo apparatus
03/13/1996CA2157967A1 Actuator arm assembly with self-locking arm
03/12/1996US5499225 Optical recording method
03/12/1996US5499149 Slider with transverse ridge sections supporting air-bearing pads and disk drive incorporating the slider
03/12/1996US5498840 Transducer signal terminator
03/07/1996WO1996007181A1 Arm for disc drive and method of strengthening
03/07/1996WO1996007178A1 Data track pattern including embedded servo sectors for magneto-resistive head structure for a disk drive
03/07/1996WO1996007074A1 Fine positioning apparatus with atomic resolution
03/06/1996EP0700040A2 Disc Driving apparatus
03/06/1996EP0700034A1 Transducer suspension system
03/06/1996EP0699917A2 A system for testing the voice coil element of a disk drive rotary actuator
03/05/1996US5497360 Optical disc apparatus with accessing using only reference velocity during acceleration and reference and moving velocities during deceleration
03/05/1996US5497282 Disk drive system having open slot swage connection
03/05/1996US5497085 Method for determining an outer diameter rolloff in a process for making magnetic disks
03/05/1996CA2050133C Magnetic disk device
02/1996
02/29/1996WO1996006433A1 Optical disk and optical disk drive device
02/28/1996EP0473719B1 Magnetic latch for disk drive actuator
02/28/1996EP0441969B1 Seek circuit of optical disk
02/28/1996CN1117637A Sector architecture for fixed block disk drive
02/28/1996CN1117607A Power saving method and apparatus for computer disk drives
02/27/1996US5495377 Apparatus for attaching a printed circuit cable to an actuator arm in a disc drive assembly utilizing alignment pins
02/27/1996US5495376 Power loss actuated magnetic latch system for head-arm assembly
02/27/1996US5495375 Actuator arm assembly with self-locking arm
02/27/1996US5495156 Actuator retraction circuit
02/27/1996US5494473 Electrical access for electrical lapping guides
02/22/1996WO1996005594A1 Flex circuit vibration sensor
02/21/1996CN1117168A System and method for user definition of data storage device physical format
02/20/1996US5493560 Apparatus for tilt adjusting of an optical disc player
02/20/1996US5493553 Method and apparatus for preventing cross-talk during reproduction of data recorded on a high density recording medium
02/20/1996US5493550 Velocity detection circuit
02/20/1996US5493463 Head alignment reference feature in a hard disk drive head-gimbal assembly
02/15/1996WO1996004656A1 Disk drive including embedded voice coil magnet plates
02/14/1996EP0696797A2 Disc drive unit
02/14/1996CN1116757A Transducer suspension system
02/13/1996US5491681 Peak detector for amplitude modulated signals
02/13/1996US5491677 Recording and/or reproducing apparatus and method of controlling same
02/13/1996US5491676 Tracking control apparatus and track jump detection apparatus
02/13/1996US5491599 Magnetic disk apparatus
02/13/1996US5491597 Gimbal flexure and electrical interconnect assembly
02/13/1996US5491595 Magnetic head guidance and calibration system and method description
02/13/1996US5491591 Series of images reproduced from addressable storage
02/13/1996US5491395 TUT servo IC architecture
02/13/1996US5491338 High resolution imaging and measuring dynamic surface effects of substrate surfaces
02/07/1996EP0696030A2 Head locating actuator and disk apparatus incorporating the same
02/07/1996CN1116391A Disk regenerative apparatus
02/07/1996CN1116353A Process of producing magnetic head slider
02/01/1996DE19527520A1 Verfahren und Vorrichtung zum Aufsetzen und Zurückziehen von Lese- und Schreibköpfen von dem Speichermedium eines Plattenlaufwerks Method and apparatus for placement and retraction of read and write heads of the storage medium of a disk drive
02/01/1996DE19522008A1 Disc drive for formatting disc storage media
01/1996
01/31/1996EP0685102A4 System for correcting transducer tangential skew in a dual actuator disk drive system.
01/31/1996EP0671046A4 Flux generator for a rotary actuator motor with an integrated actuator latch for a disk drive.
01/30/1996US5488526 Disk drive device having a spindle motor and a head carriage section both provided in a disk cassette loading area
01/30/1996US5488524 Self adaptive head for semi-contact recording
01/30/1996US5488521 Information recording apparatus with a non-newtonian liquid bearing
01/30/1996US5488519 Recording and reproducing device having conductive spindle
01/24/1996EP0693202A1 Method and apparatus for noise reduction in magnetic media
01/24/1996EP0693201A1 Method and apparatus for fingerprinting and authenticating magnetic media
01/24/1996EP0572380B1 Disk drive servo system using gain limited high-frequency track-following compensator
01/24/1996EP0414694B1 Estimator positioning system and method