Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
12/1996
12/05/1996WO1996030898A3 System comprising a magnetic head, a measuring device and a current device
12/05/1996DE19622080A1 Coating device for photographic emulsions, magnetic substances etc. on paper contg. ink or pigment
12/05/1996DE19519916A1 Multiple recording system for video and audio signals
12/05/1996CA2222754A1 Adaptive preamplifier for resonance tuning useful in a disk drive
12/04/1996EP0745974A1 Method for forming silica protective films
12/04/1996EP0745973A2 Apparatus for reproducing an information signal on a record carrier, provided with a tracking control system
12/04/1996EP0745703A1 Process for electrolytic polishing of metallic surfaces in two steps for improving their optical properties and resulting products
12/04/1996CN1137319A Elastomeric roller with fluoropolymer coating and structure
12/04/1996CN1137152A Magnetic head suspension mechanism
12/04/1996CN1137150A Apparatus for testing components to be incorporated in video cassette recorder
12/04/1996CN1137145A Head drum assembly for use in video cassette recorder
12/04/1996CN1137144A Erasing device for use in video cassette recorder
12/04/1996CN1137143A Full erase head assembler for video cassette recorder
12/03/1996US5581614 Method for encrypting and embedding information in a video program
12/03/1996US5581536 Mass storage servo control system utilizing an analog signal leak detector
12/03/1996US5581529 Combination of a recording arrangement and a source selection arrangement
12/03/1996US5581429 Thin-film magnetic head having improved magnetic pole structure
12/03/1996US5581427 Peak enhanced magnetoresistive read transducer
12/03/1996US5581426 Upper head drum assembly including at least one nut cap
12/03/1996US5581425 Head drum for a magnetic recording/reproducing apparatus
12/03/1996US5581421 Method for driving stepping motor for head seek in disk drive device
12/03/1996US5581420 Method and system for determining a radial positioning valve used for writing tracks at a desired track pitch
12/03/1996US5581418 Magnetic disk drive unit capable of determining data region position of data region that does not include position identification data
12/03/1996US5581417 Apparatus and method for anhysteretically recording from master drum to slave web
12/03/1996US5581363 Method and apparatus for recording and reproducing video signal
12/03/1996US5581360 Methods and systems for dubbing a variable-length encoded digital video signal on a record medium
12/03/1996US5580671 Perpendicular magnetic film and multi-layered film for perpendicular magnetic film
12/03/1996US5580667 Multilayered medium with gradient isolation layer
12/03/1996US5580652 Improved surface properties, abrasion and scratch resistance
12/03/1996US5580602 Process for making a thin film magnetic head
12/03/1996US5580399 Magnetic recording medium
12/03/1996US5580363 Colorimetric analysis
12/03/1996US5579717 Method of grinding thin-film magnetic heads using optical grinding markers
12/03/1996CA2030341C Disk device with cleaning device, and cleaning method
11/1996
11/28/1996WO1996037890A1 Adaptive control of a write inhibit signal in a disk drive
11/28/1996WO1996037886A1 Magnetic recording medium
11/28/1996WO1996037885A1 Direct contact disk for vertical magnetic data recording
11/28/1996WO1996037884A1 Pivot bearing
11/28/1996WO1996037883A1 Flex circuit flexure with integral high compliance gimbal
11/28/1996WO1996037882A1 Mr head read signal preconditioning circuitry
11/28/1996WO1996037567A1 Precision joining process for at least two workpieces
11/28/1996WO1996037340A1 Interactive system for lapping transducers
11/28/1996DE19620673A1 Magnetic head for magnetic storage device
11/28/1996DE19620012A1 Verfahren zum präzisen Verbinden von mindestens zwei Werkstücken A method for precise joining at least two workpieces
11/28/1996DE19616347A1 Direkt kontaktierbare Platte für vertikale magnetische Datenspeicherung Directly contactable plate for vertical magnetic data storage
11/28/1996CA2222178A1 Mr head read signal preconditioning circuitry
11/27/1996EP0744740A2 Magnetic head with tape guiding device
11/27/1996EP0744736A2 Permanent magnetic erase head assembly
11/27/1996EP0744735A2 Magnetic head apparatus, tape cartridge and recording/reproducing apparatus
11/27/1996EP0744709A2 Read-only magnetic security pattern
11/27/1996EP0744234A1 Process for preparing nanocrystalline and X-rays-amorphous metal powder
11/27/1996EP0744076A1 Magnetoresistive structure with alloy layer
11/27/1996EP0744070A1 Multitrack recording/reproducing arrangement
11/27/1996CN2241376Y Magnetic card recorder
11/27/1996CN1136792A Ablative imaging by proximity lithography
11/27/1996CN1136693A Magnetic recording medium and magnetic storaging device for using said magnetic recording medium
11/27/1996CN1136692A Rotary cylinder assembly having cleaning device for magnetic recording/reproducing apparatus
11/27/1996CN1033409C Apparatus for recording and replaying
11/26/1996US5579340 Waveform equalizer
11/26/1996US5579293 Magnetic head driving circuit for controlling switching operations in a magnetooptical recording apparatus
11/26/1996US5579292 Magneto-optical data recording apparatus using a sample-servo system for applying heating pulses to record data
11/26/1996US5579189 Microminiature hard disk drive
11/26/1996US5579186 Magnetic disk unit and method for controlling the same
11/26/1996US5579182 Apparatus for recording digital signals superposed with controlled frequency components
11/26/1996US5579181 Apparatus for processing reproduced data including two multiplexers the first of which is responsive to reproduced field information
11/26/1996US5579119 Recording signal control apparatus capable of optimizing recording conditions for magnetic recording medium
11/26/1996US5578387 Fluorine-containing alkylsuccinic acid diester, process for preparing the same and use thereof
11/26/1996US5578376 Magnetic recording medium having a magnetic layer comprising a specified ferromagnetic metal powder and a specified polyurethane binder
11/26/1996US5578355 Magneto-optical disk having a microporous protective coating containing a lubricant
11/26/1996US5578342 Photolithography; self-alignment
11/26/1996US5578146 Aluminum-beryllium alloys having high stiffness and low thermal expansion for memory devices
11/21/1996WO1996036965A1 Magnetic head and process for producing the head
11/21/1996WO1996036964A1 Magnetic head assembly, assembling therefor, assembling apparatus therefor, and magnetic disk apparatus
11/21/1996WO1996036963A1 Electrical grounding system for instruments used in assembling disc drives
11/21/1996WO1996036962A1 Cleaning device for recording and/or reproduction apparatus of magnetic tape
11/21/1996CA2194590A1 Cleaning device for magnetic tape recording and/or reproducing apparatus
11/20/1996EP0743637A2 Magnetic recording and reproducing apparatus
11/20/1996EP0743635A1 A magnetic head, a production method thereof, and a magnetic recording/reproduction apparatus using the same
11/20/1996EP0743613A2 Data reproduction system for reproducing and outputting multimedia information using a printer
11/20/1996EP0743611A2 Saturated mode MR head
11/20/1996EP0743548A2 Magnetic head translation system for recording and reproducing on a magnetic layer on a photographic film
11/20/1996EP0743138A2 Auto tray changer
11/20/1996EP0743101A1 Nozzle and nozzle processing method
11/20/1996EP0556383B1 Head wiper for bernoulli disk drive
11/20/1996CN2240769Y Recording and playing device capable of increasing cassette capacity multi-time
11/20/1996CN1136322A Polymeric film
11/20/1996CN1136206A Radial self-propagation pattern generation for disk file servowriting
11/20/1996CN1136201A Magnetic recording/displaying device and method for controlling inclined angle of rotary magnetic drum thereof
11/20/1996CN1136200A Magnetic recording and reproducing apparatus
11/20/1996CN1136199A Magnetic heads
11/19/1996US5577049 Multiplexed signal transmission system
11/19/1996US5577016 Recording medium having concavo-convex pits with a maximum and a minimum pit depth depending on the wavelength of a laser light
11/19/1996US5576918 Magnetic disk medium with designed textured surfaces and controlled surface roughness and method of producing same
11/19/1996US5576915 Magnetoresistive head with antiferromagnetic sublayers interposed between first and second spin-valve units to exchange bias inner magnetic films thereof
11/19/1996US5576914 Compact read/write head having biased GMR element
11/19/1996US5576913 Magnetic head for hard disk having reading core and trailing core
11/19/1996US5576912 Floating magnetic head with reduced magnetostriction vibration noise
11/19/1996US5576910 Burst comparison and sequential technique for determining servo control in a mass storage disk device
11/19/1996US5576909 Method for positioning a data transducer head in a rotating disk drive data storage device
11/19/1996US5576908 Actuator and file level initialization of magnetoresistive transducers