Patents
Patents for G11B 21 - Head arrangements not specific to the method of recording or reproducing (20,963)
06/1997
06/18/1997CN1152368A Floating head slider, floating head apparatus and disk driving apparatus
06/17/1997US5640290 Shock-resistant structure for magnetic disk drive
06/17/1997US5640285 Information recording medium encoded to enable track following
06/12/1997WO1997021212A1 Suspension system for disk drive
06/11/1997EP0778573A1 Data recording method
06/11/1997EP0777901A1 Data track pattern including embedded servo sectors for magneto-resistive head structure for a disk drive
06/11/1997EP0402397B1 Disk drive apparatus
06/10/1997US5638234 Flexure with reduced unloaded height for hard disc drive heads
06/10/1997US5638230 In an information storage apparatus
06/05/1997DE19643863A1 Dual drive head actuator
06/05/1997DE19642374A1 Non-volatile data storage device for use in portable computers
06/05/1997DE19637953A1 Non-volatile data storage device for use in portable computers
06/05/1997DE19635290A1 Non-volatile data storage device for use in portable computers
06/04/1997EP0777215A2 Sinusoidal gain correction to compensate for magnetoresistive head servo gain variations
06/04/1997EP0777211A2 A magnetic disk sampled amplitude read channel employing interpolated timing recovery for synchronous detection of embedded servo data
06/04/1997CN1151079A Head transport mechanism of magnetic recording/reproducing apparatus
06/04/1997CN1151076A Integrated circuit for controlling information storage disk
06/04/1997CN1151075A Apparatus and method for discriminating optical disk
06/03/1997US5636091 Magnetic disk apparatus
06/03/1997US5636089 Head suspension with spaced static attitude compensation protuberance and load dimple
06/03/1997US5636088 Head assembly controlling distortion due to temperature variation and disk apparatus using the head assembly
06/03/1997US5636087 Magnetic head slider assembly
06/03/1997US5636086 Roll insensitive air bearing slider
06/03/1997US5636085 Magnetic read/write head assembly configured with bleed slots passing through rails to stabilize flexible medium while attaining low fly heighs with respect thereto
06/03/1997US5636082 Rotating disk storage device with cooling air flow control
06/03/1997US5636075 Magnetic disk apparatus, recording medium, and accessing method for performing constant density recording
06/03/1997US5636013 Suspension assembly static attitude and distance measuring instrument
05/1997
05/29/1997WO1997019446A1 Apparatus for recording an information signal on a record carrier provided with tracking signals and a record carrier having such information signals
05/29/1997CA2238031A1 Head cleaning by loading heads at low speed
05/28/1997EP0776007A2 Information storing apparatus
05/28/1997EP0775356A2 Magnetic recording apparatus
05/28/1997EP0775355A1 Actuator arm assembly with self-locking arm
05/27/1997US5633850 Optical disc player having an apparatus for transferring both a disc tray and an optical pickup
05/27/1997US5633767 Adaptive and in-situ load/unload damage estimation and compensation
05/27/1997US5632669 Interactive method for lapping transducers
05/22/1997WO1997018559A1 Method and apparatus for high speed optical storage device
05/22/1997WO1997018558A1 Electronic track detection methods for apparatus for simultaneously reading multiple adjacent tracks of an optical disk
05/22/1997WO1997018554A1 Pressure differential latch for a disk drive
05/22/1997WO1997018553A1 Removable cartridge disk drive with angularly inserted cartridges
05/22/1997DE19633955A1 Read head positioning system for magnetic discs
05/22/1997CA2210350A1 Pressure differential latch for a disk drive
05/21/1997EP0774754A2 Disk storage apparatus
05/21/1997EP0774153A1 Disk drive including embedded voice coil magnet plates
05/20/1997US5631817 Load current control of pulse width modulated drive signal including calibration and correction coefficient
05/20/1997US5631786 Information storage system
05/20/1997US5631527 Voice coil motor feedback control circuit
05/15/1997WO1997017806A1 Flexible disk mode observer
05/15/1997WO1997017698A1 Low inertia flux motor rotary actuator
05/15/1997CA2236696A1 Flexible disk mode observer
05/14/1997EP0772872A1 Pivot bearing
05/14/1997EP0772871A1 Transducer/flexure/conductor structure for electromagnetic read/write system
05/14/1997CN1149744A Head actuator in disk driving system
05/13/1997US5630165 Servo system controlled by master and second processors through memory being accessed for read and write by processors in separate portions respectively
05/13/1997US5630104 Apparatus and method for providing multimedia data
05/13/1997US5629820 Structure for supporting head suspension of actuator of magnetic disk drive
05/09/1997WO1997016825A1 Tool for processing magnetic read/write heads and associated method
05/09/1997WO1997016822A1 Fault-tolerant sample-data servo pattern
05/09/1997WO1997016783A1 Methods and apparatus for controlling access to a recording disk
05/09/1997WO1997016368A1 Linear guide arrangement, device comprising a linear guide arrangement and a head for reading and/or writing information from/on a medium, and information reproducing and/or recording apparatus comprising a linear guide arrangement
05/09/1997CA2236371A1 Fault-tolerant sample-data servo pattern
05/09/1997CA2234242A1 Tool for processing magnetic read/write heads and associated method
05/07/1997EP0772195A2 Carriage structure for a disk drive
05/07/1997EP0772187A2 Use of a PLL in an embedded servo demodulator
05/07/1997CN1149182A Slider/suspension design for improved crown sensitivity
05/07/1997CN1149175A Objective actuator and manufacturing method thereof
05/06/1997US5627701 Skinned foam core E-block
05/06/1997US5627700 Floating type magnetic head having flush rear reference surface
05/02/1997EP0771003A2 Compound bearing assembly for the swing arm of a hard disc drive
05/02/1997EP0770992A2 Head gimbal assembly for an information storage system
05/01/1997WO1997016011A1 Wide biphase digital servo information, detection, and estimation for disk drive using viterbi detection
05/01/1997WO1997016010A1 Synchronous detection of wide bi-phase coded servo information for disk drive
05/01/1997WO1997015919A1 Molded actuator crash stops
05/01/1997CA2208074A1 Synchronous detection of wide bi-phase coded servo information for disk drive
05/01/1997CA2207899A1 Wide biphase digital servo information, detection, and estimation for disk drive using viterbi detection
04/1997
04/29/1997US5625515 Compact, high-speed, rotary actuator and transducer assembly with reduced moment of inertia and mass-balanced structural overlap with drive motor, and organizing method for the same
04/29/1997US5625514 Disk Device
04/29/1997US5625513 Floating head slider having uniform spacing from recording medium surface
04/29/1997US5625512 Air bearing slider deflection apparatus and method for fabricating same
04/29/1997US5625269 Stepping motor control system and recording apparatus using the same
04/29/1997US5624581 Process for forming a simplified self-loading head slider
04/29/1997US5623758 For use in a data storage disk drive
04/24/1997DE19642347A1 Optical memory medium or device
04/23/1997EP0769774A2 Retraction of a disc drive actuator
04/23/1997CN1148438A Reading/writing information on a storage medium
04/22/1997US5623460 Circuit and method for searching track on CD
04/22/1997US5623457 Photomagnetic disc drive system having a locking mechanism
04/22/1997US5623386 Silicon carbide ceramic exterior with recesses
04/17/1997WO1997014140A1 Transducer supporting apparatus
04/17/1997WO1997004446A3 Sliding mode control of a magnetoresistive read head for magnetic recording
04/16/1997EP0768655A2 Sliding-type magnetic head for magnetooptical recording
04/16/1997EP0768654A2 Sliding-type magnetic head for magnetooptical recording
04/16/1997CN1147672A Magnetic head support mechanism, method of manufacturing the same, and magneti disk apparatus
04/15/1997US5621711 Velocity detection circuit
04/15/1997US5621709 Tracking servo apparatus
04/15/1997US5621590 Actuator apparatus with plastic C-block
04/15/1997US5621583 Method and device for reading and writing magnetically encoded data on linear tracks
04/15/1997US5621582 Disk drive including a baseplate well for the spin motor
04/15/1997CA2073323C Optical recording medium driving apparatus capable of accurately detecting position of optical head
04/09/1997EP0767452A1 A method for seeking the centre of a reference burst
04/09/1997EP0767450A2 Head/pre-AMP ribbon interconnect for data storage devices