Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
01/1999
01/20/1999CN1205513A Disk player
01/19/1999US5862018 Unitary load beam and cam follower
01/19/1999US5862017 Rotary disk storage unit and head suspension therefor
01/19/1999US5862016 Magnetic head cartridge having head connected to a gimbal and having leads extending through openings in the gimbal and openings in the head carriage
01/19/1999US5862015 Head suspension with resonance feedback transducer
01/19/1999US5862013 Floating magnetic head
01/19/1999US5862010 Transducer suspension system
01/19/1999US5862005 Synchronous detection of wide bi-phase coded servo information for disk drive
01/19/1999US5860749 Rolling bearing for supporting rotating spindles
01/19/1999US5860206 Method of fixing suspension to actuator arm
01/14/1999WO1999001867A1 Off-axis optical pickup mechanism for dual-sided optical storage discs
01/14/1999DE19826984A1 Miniature positioning arrangement
01/13/1999EP0890950A2 Serial bitstream code for timing-based servo
01/13/1999EP0789906B1 Flexures which reduce friction in an actuator for a data storage device
01/13/1999EP0789904B1 Wing attachment for head load/unload in a data storage device
01/13/1999EP0507907B1 Digital servo control system for use in disk drives
01/13/1999CN2304172Y IC-card driver without friction at all
01/13/1999CN1204838A Disc apparatus and thread-moving method therefor
01/12/1999US5859751 For restraining a transducer actuator assembly in a disk drive
01/12/1999US5859750 Magnetic recording-and-reproducing apparatus
01/12/1999US5859749 For use in disk drive systems
01/12/1999US5859746 Magnetic disk drive and flexible printed board used in such drive
01/12/1999US5859743 In a recording device
01/12/1999US5859742 Disk storage apparatus having head overshoot and undershoot control
01/12/1999US5859741 Method of positioning a magnetic head
01/12/1999US5859740 Information storage disc and information recording and reproducing apparatus
01/12/1999US5859738 Head positioning in storage system during periods of inactivity
01/12/1999US5859485 Bearing structure for stepping motor
01/12/1999US5858518 Insulating layer comprising polyimide resin; dimensional stability
01/12/1999US5857257 Method of manufacturing magnetic head suspension having circuit wiring pattern
01/12/1999CA2127971C Method and apparatus for phase modulated servo positioning in a direct access storage device
01/07/1999WO1999000792A1 Slider for disc storage system
01/07/1999EP0888610A1 Adjustable solder bump spacer for slider-suspension attachment
01/07/1999EP0888609A1 In-drive correction of servo pattern errors
01/06/1999CN1204115A Tracking controller
01/05/1999US5856896 Gimbal suspension for supporting a head in a disc drive assembly
01/05/1999US5856895 Data storage system head slider
01/05/1999US5856735 Recording and reproduction apparatus
12/1998
12/30/1998WO1998059340A1 Slider for optical disc data storage system
12/30/1998CN1203685A Syspension system for disk drive
12/30/1998CN1203511A Circuit substrate, circuit-formed suspension substrate, and production method thereof
12/30/1998CN1203422A Magnetic head suspension and its manufacturing method
12/29/1998US5854941 System for estimating access time by deriving from first and second rotational time from rotational time table based on logical address and head movement time
12/29/1998US5854722 Method and apparatus for rotary actuator arc compensation correction in a direct access storage device
12/29/1998US5854721 Balancing device of actuator in hard disk drive
12/29/1998US5854715 Method for tracking a read head on a data area on a disk and disk apparatus using the method
12/29/1998US5854714 Digital servo demodulation for sampled amplitude magnetic recording
12/29/1998US5853959 Method of fabricating a contoured slider surface feature with a single mask
12/23/1998EP0886264A1 A suspension arm for a head of a disk storage device
12/23/1998EP0855080A4 Roll-biased head suspension for reduced track misregistration
12/23/1998EP0846320A4 Crash stop airlock mechanism
12/23/1998EP0704090B1 Passive non-contact magnetic latch
12/23/1998EP0645758B1 Magnetic disk apparatus and method of production thereof
12/23/1998CN1202701A Support structure for magnetic head device
12/23/1998CN1202692A Apparatus for adjusting tilt of disc
12/22/1998US5852522 Data recording apparatus for fast detection of servo sectors and correction of track address using a divided gray code and a parity bit
12/17/1998WO1998057323A1 Temperature dependent disc drive parametric configuration
12/16/1998EP0884564A2 Displacement sensor and method for producing target feature thereof
12/16/1998EP0738416B1 Plug-in actuator latch mechanism
12/16/1998EP0671046B1 Flux generator for a rotary actuator motor with an integrated actuator latch for a disk drive
12/16/1998CN1202259A Magnetic recording device
12/16/1998CN1201971A Ramp for use with data storage device and data storage device
12/15/1998US5850329 Magnetic recording device components
12/15/1998US5850322 Magnetic recording/reproducing device having head carriage with shock absorber
12/15/1998US5850321 Self-cleaning proximity recording interface
12/15/1998US5850317 Apparatus and method for near contact magnetic recording
12/15/1998CA2138301C Apparatus and method for providing multimedia data
12/10/1998WO1998056108A2 Automatic gain control circuit, e.g. for use in a hard disk drive
12/09/1998EP0883110A2 Redundant servo system
12/09/1998EP0821708B1 Process for producing a polyamide based on a dicarboxylic acid and a diamine
12/09/1998CN1201548A Toll for processing magnetic read/write heads and associated method
12/08/1998US5848049 Disc player with parallel objective lenses
12/08/1998US5847903 Magnetic circuit structure for a rotary actuator in a disk drive
12/08/1998US5847902 Head suspension assembly having parallel-coupled load/gimbal springs
12/08/1998US5847896 Disk drive including sloped base and cover
12/08/1998US5847894 Disk and storage device having an anti-alias data pattern located on a servo sector
12/08/1998US5847892 Servoing and formatting magnetic recording tape in an arcuate scanner system
12/08/1998US5847527 Method and apparatus for digital position control
12/08/1998US5846442 Controlled diffusion partial etching
12/03/1998WO1998054824A1 Laminated steel return path with actuator support features
12/03/1998WO1998054716A1 Elongated rear bearing for linear actuator
12/03/1998WO1998054715A1 Return path geometry to enhance uniformity of force on a linear actuator
12/03/1998WO1998054714A1 An improved head retraction system for retracting the heads of a disk drive
12/03/1998WO1998054712A1 Motor loading system for a disk drive
12/03/1998WO1998054710A1 An improved operating system for operating an eject system and a head retraction system of a disk drive
12/03/1998WO1998054701A1 Flexured mounting system for friction reduction and friction linearization in linear actuator for disk drive
12/03/1998WO1998054699A1 Head gimbal protection for a disk drive
12/03/1998WO1998047136A3 Processing of disc-drive pickup signals
12/03/1998WO1998040879A3 Low resonance texturing of magnetic media
12/03/1998WO1998036408A3 A magnetic structure urging an actuator assembly toward a home position
12/03/1998DE19818203A1 Method of detecting position on disk
12/03/1998CA2289034A1 Head gimbal protection for a disk drive
12/02/1998EP0881626A1 Noise measurement in data storage devices
12/02/1998EP0880775A1 Molded actuator crash stops
12/02/1998EP0860006A4 Low inertia flux motor rotary actuator
12/02/1998EP0795171A4 Method using matched filters for determining head positioner micro-jog in hard disk drive employing magneto-resistive heads
12/02/1998CN1200835A Method for mfg. magnetic head slider
12/02/1998CN1200829A Information recording on multitrack record carrier
12/02/1998CN1200541A Optical pick-up feeding device
12/01/1998US5844871 Optical disk track counting apparatus and method for improved track access