Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
01/1997
01/07/1997US5592351 Low profile enclosure and mechanism for a single channel head 8mm tape drive
01/07/1997US5592349 Microminiature disk drive with clamp having fingers for radially positioning a pair of disks and a spindle motor providing a reduced disk drive height
01/07/1997US5592348 Method and structure for locating and skipping over servo bursts on a magnetic disk
01/07/1997US5592347 Apparatus for measuring offset of head from servo pattern of data surface and disk medium having recorded servo pattern for measurement of offset
01/07/1997US5592344 AC bias control circuit for magnetic recording head
01/07/1997US5592343 Method of reproducing digital video signals having trick play data
01/07/1997US5592341 Method of optimizing a write current for at least one rotatable magnetic head and arrangement for carrying out such a method
01/07/1997US5592082 Magnetic sensor with permanent magnet bias layers
01/07/1997US5592080 Record medium checking device including a circuit for recording a signal on a record medium from detected clock pulses and for selective frequency setting
01/07/1997US5591535 Ferromagnetic metal powder
01/07/1997US5591533 Thin film magnetic transducer having a stable soft film for reducing asymmetry variations
01/07/1997US5591532 Giant magnetoresistance single film alloys
01/07/1997US5591515 Magnetic recording medium with a recording layer composed of laminate structure of magnetic films and non-magnetic films, and method for producing the same
01/07/1997US5591512 Magnetic recording medium having a magnetic layer comprising iron powder and an underlayer comprising non magnetic powders having specified particle size ratios
01/07/1997US5591503 Magnetic recording medium having a thin film magnetic layer and a sulfonamide lubricant
01/07/1997US5591502 Magnetic recording medium
01/07/1997US5591481 Method of manufacturing a magnetic recording medium including forming a graft polymer lubricant layer by irradiating monomers with radicals or atomic gas
01/07/1997US5591266 Magnetic paint
01/07/1997US5591073 Method and apparatus for lapping sliders
01/03/1997WO1996030905A3 Recording and reproduction of an information signal comprising packets that may occur irregularly as a function of time in the serial datastream of the information signal
01/02/1997EP0751522A2 A rate 16/17 (d=0, G=6/I=7) modulation code for a magnetic recording channel
01/02/1997EP0751519A2 A reduced complexity EPR4 post-processor for sampled data detection
01/02/1997EP0751509A2 Optical recording medium and method for setting power of laser beam
01/02/1997EP0751508A1 Optical data storage medium
01/02/1997EP0751502A2 Magnetic recording system and magnetic recording medium used therefor
01/02/1997EP0751501A1 Magnetic recording media and methods for producing the same
01/02/1997EP0751500A1 Gimbal assembly of a magnetic head suspension
01/02/1997EP0751499A1 Magnetoresistive sensor
01/02/1997EP0751498A2 Thin-film magnetic head and method for producing same
01/02/1997EP0751497A1 Magnetic head
01/02/1997EP0751423A1 Method to selectively remove lubricant from one side of lubricant-coated support
01/02/1997EP0751206A2 Lubricant and magnetic recording medium using lubricant
01/02/1997EP0750780A1 Reading/writing information on a storage medium
01/02/1997EP0750779A1 Apparatus with a rotationally drivable magnetic head and with a cleaning device for the magnetic head
01/01/1997CN1139347A Speed variable playback device
01/01/1997CN1139345A Audio signal processing apparatus for use in video cassette recorder
01/01/1997CN1139275A Magnetic head device and magneto-optical recording device
01/01/1997CN1139274A Upper head drum assembly
01/01/1997CN1139260A Method for coating magnetic recording medium
01/01/1997CN1139258A Head drum assembly structured for facilitating assembling process thereof
01/01/1997CN1139257A Improved head for use in video cassette recorder
01/01/1997CN1139256A Magnetic recording and reproducing apparatus
01/01/1997CN1139070A Device for automatically turning over work pieces
12/1996
12/31/1996US5590096 Rewritable storage apparatus using first and second bias magnetic fields
12/31/1996US5590009 Magnetic disk unit
12/31/1996US5590008 Magnetic disc unit having a plurality of magnetic heads which include multilayer magnetic films
12/31/1996US5590007 Magnetic head driving apparatus having a magnetic head which is immune to the influence of a magnetic circuit
12/31/1996US5590006 One-sided, single platter hard disk with center parking features
12/31/1996US5590005 Thin film magnetic head
12/31/1996US5590002 Compliant anchor for securing disk drive actuator bearing
12/31/1996US5589999 Tape recorder and offset playback apparatus with a variable tape length between the recording and reading head
12/31/1996US5589998 Cylinder address storage in multiple servo sectors of a track
12/31/1996US5589994 Image recording method and apparatus with reduced error propagation
12/31/1996US5589777 Circuit and method for testing a disk drive head assembly without probing
12/31/1996US5589283 Soft magnetic thin film
12/31/1996US5589278 Single crystalline substrate having oriented epitaxial buffer layer, oriented iron/chromium superlattice film all of specified crystal structure
12/31/1996US5589263 Improved running stability, durability, weatherability
12/31/1996US5589262 Perpendicular magnetic recording medium having a soft magnetic underlayer with a stripe magnetic domain structure
12/31/1996US5589261 Alternatively laminating layers composed of oxides having a spinel crystal structure, one containing iron as main ingredient and the other having cobalt as prime constituent
12/31/1996US5589247 Magnetic recording medium having an embossed backcoat layer
12/31/1996US5589221 Magnetic thin film, and method of manufacturing the same, and magnetic head
12/31/1996US5589039 In-plane parallel bias magnetic field generator for sputter coating magnetic materials onto substrates
12/31/1996US5589038 Magnetic substance
12/31/1996US5588200 Tightened distribution of magnetic-head suspension-assembly static roll by infrared stress relief
12/31/1996US5588199 Lapping process for a single element magnetoresistive head
12/31/1996CA2063065C Gimbal card reader
12/27/1996WO1996042081A1 Disk apparatus and servo-pattern write system
12/27/1996WO1996042080A1 Integrated head-electronics interconnection suspension for a data recording disk drive
12/27/1996WO1996042038A1 Tuned a.c. power systems compensator having variable reflective impedance for linear and non-linear reactive load compensation
12/27/1996EP0750296A1 Magnetic recording medium having a lubricant film and method of evaluating the film
12/27/1996EP0750005A1 Polyester film for leader tape and process for producing the film
12/27/1996CA2217733A1 Integrated head-electronics interconnection suspension for a data recording disk drive
12/25/1996CN1138915A Marking generating appts., method of forming laser marking on optical disk, reproducing appts., optical disk and optical disk producing method
12/25/1996CN1138798A Video signal recording apparatus and video signal reproducing apparatus
12/25/1996CN1138734A Optical disc system
12/25/1996CN1138725A Apparatus for recording, recording/reproducing and reproducing digital video signals
12/24/1996US5588011 Tuned viterbi detector and equalizer system
12/24/1996US5587976 Optical pickup for optical magnetic disc
12/24/1996US5587860 Magnetic disc cartridge including a magnetic disc having a cleaning sheet composed of a non-theroplastic fiber
12/24/1996US5587859 Recording and/or reproducing apparatus having rotary transformer
12/24/1996US5587858 For use in a disk drive
12/24/1996US5587857 Silicon chip with an integrated magnetoresistive head mounted on a slider
12/24/1996US5587852 Disk head driving device using linear activator with multipolar magnets
12/24/1996US5587851 Magnetic head driving device with prerecording energization
12/24/1996US5587850 Data track pattern including embedded servo sectors for magneto-resistive read/inductive write head structure for a disk drive
12/24/1996US5587848 Digital signal magnetic recording and reproducing apparatus for both metal evaporation tapes and metal powder tapes
12/24/1996US5587806 Apparatus for separately recording input coded video signal and important data generated therefrom
12/24/1996US5587789 Apparatus and method for controlling recording and reproduction in digital video cassette tape recorder
12/24/1996US5587654 Method and apparatus for noise reduction in magnetic media recordings
12/24/1996US5587235 Magnetic recording medium and magnetic recording apparatus
12/24/1996US5587232 Iron oxide particles coated with silane, aluminum, titanium, or zirconium coupling agent; surface smoothness, high strength
12/24/1996US5587223 Generated using single level mask comprised of self-ordering polymer array
12/24/1996US5587217 Hexaphenoxycyclotriphosphazene lubricant and perfluoropolyether oil
12/24/1996US5587026 Ferromagnetic film
12/24/1996US5586926 Method for texturing a metallic thin film
12/24/1996US5586385 Method of manufacturing a thin film magnetic head
12/24/1996CA2011927C Microlithographic method for producing thick, vertically-walled photoresist patterns
12/19/1996WO1996041339A1 Monostable active latch for a disk drive actuator
12/19/1996WO1996041337A1 Dual latch apparatus for restraining a direct access storage device actuator
12/19/1996WO1996041336A1 Smooth topography head surface on a head with patterned pole