Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
10/1996
10/29/1996US5569532 Containing calcium carbonate, alumina, melamine-formaldehyde resin
10/29/1996US5569523 Magnetic recording medium having a ferromagnetic thin film in which 70% to 90% of the total magnetic particles have residual magnetization vectors within ±10° of the easy axis direction
10/29/1996US5569518 Glass substrate for a magnetic disk with roughened edges
10/29/1996US5569506 Magnetic recording disk and disk drive with improved head-disk interface
10/29/1996US5569501 Plasma-enhanced chemical vapor deposition from a mixture of a hydrocarbon and helium
10/29/1996US5569494 Precoating with low viscosity fluid
10/29/1996US5569445 Neutralizing aqueous solution of ferric salt and an alkaline solution to provide suspension of ferric hydroxide, washing, adding crystal growth control agent and subjecting to hydrothermal reaction
10/29/1996US5569409 Finely divided acicular magnetic modified chromium dioxide
10/29/1996US5568981 Negative pressure air bearing slider
10/24/1996WO1996033490A1 Data-reading process
10/24/1996WO1996033488A1 Method and apparatus for a vernier magnetic recording head
10/24/1996WO1996033234A1 Process for producing a polyamide based on a dicarboxylic acid and a diamine
10/24/1996DE19603192A1 Magnetic head suspension device for magnetic disk appts.
10/24/1996DE19548525A1 Position sensitivity adjustment device for magnetic disc unit
10/23/1996EP0739007A2 A disk drive apparatus and read error recovery process for a disk drive apparatus
10/23/1996EP0739001A2 Deposition of insulating thin film by plurality of ion beams
10/23/1996EP0739000A1 Magnetic disk drive
10/23/1996EP0738985A2 Magnetic fingerprint for secure document authentication
10/23/1996EP0738415A1 Video player/recorder cleaning device
10/23/1996EP0738210A1 Memory material and method for its manufacture
10/23/1996CN1134189A Magnetic signal detector
10/23/1996CN1134019A Video cassette player
10/23/1996CN1134016A Method and unit for recording and reading of multiple speed documentation by rotary magnetic head
10/23/1996CN1134010A Method of making servo graph and separated magnetic track on film magnetic disk
10/23/1996CN1134009A Audio head assembly for use in video cassette recorder
10/22/1996US5568466 Magneto-optical disc
10/22/1996US5568337 Head positioning using a disk drive mounted to a rotating table
10/22/1996US5568336 Magnetic reading device with alternating magnetic biasing means
10/22/1996US5568335 Multi-layer gap structure for high resolution magnetoresistive read head
10/22/1996US5568334 Head drum grounding system for use in a video cassette recorder
10/22/1996US5568333 Actuator latching device of hard disk drive
10/22/1996US5568332 For transducing data
10/22/1996US5568331 Method of head positioning and magnetic recording disk drive using the same
10/22/1996US5568327 Method for determining the tape position using dedicated servo format
10/22/1996US5568115 Artificial lattice film and magneto-resistance effect element using the same
10/22/1996US5567524 Magnetic recording medium having a cobalt thin film magnetic layer, carbon protective layer, and fluorolubricant layer
10/22/1996US5567523 Multilayer magnetic recording media on carbon substrate with silicon or aluminum nitride layers
10/22/1996US5567512 Wear resistance
10/22/1996US5567502 Magnetic recording medium having a magnetic layer containing abrasive particles
10/22/1996US5567484 Process for texturing brittle nonmetallic surfaces
10/22/1996US5567333 Thin film magnetic head, process for production thereof
10/22/1996US5567331 Floating head slider and method of manufacturing the same
10/22/1996US5567217 Method for manufacturing a crystalized glass magnetic disk substrate
10/22/1996US5566442 Method of making a vertical magnetic head with an integrated coil
10/22/1996CA1338676C Binders for magnetic recording media and magnetic recording media
10/22/1996CA1338655C Heatshield material
10/17/1996WO1996032714A1 Aerodynamic actuator-filter latch for hard disk drive
10/17/1996WO1996011484A3 Actuator comprising a rotatable magnet body; actuator unit comprising the actuator and a control system; magneto-optical device comprising the actuator, and scanner comprising the actuator
10/17/1996DE19514145A1 Verfahren zur Herstellung eines Polyamids auf der Basis einer Dicarbonsäure und eines Diamins A process for preparing a polyamide based on a dicarboxylic acid and a diamine
10/16/1996EP0737963A2 Seek actuator for optical recording
10/16/1996EP0737962A2 Data recording/regenerating method, data recording/regenerating apparatus and data recording medium
10/16/1996EP0737961A1 Magnetic head assembly and method for reading and/or writing onto a thin magnetic layer placed on a photographic element
10/16/1996EP0737960A1 Magnetic thin film for magnetic head, method of manufacturing the same, and magnetic head
10/16/1996EP0737354A1 Amorphous diamond-like carbon gaps in magnetoresistive heads
10/16/1996EP0737353A1 Magnetic tape with a track configuration and apparatus for cooperation with such a magnetic tape
10/16/1996EP0737352A1 Magnetic tape with a track configuration and apparatus for cooperation with such a magnetic tape
10/16/1996EP0737327A1 High performance tape path system
10/16/1996CN1133532A Digit recording and rendition device
10/16/1996CN1133531A Device and method for digital data recording/rendition
10/16/1996CN1133474A Magnetic recording/replaying equipment with tape-guiding drum positioning mechanism
10/16/1996CN1133469A Technology for making floppy disc
10/16/1996CN1133468A Gum coating machine for making floppy disc by gum coating method
10/16/1996CN1133304A N-sulfamino-polymer, fibre formed from it, and their magnetic recording medium
10/15/1996US5566378 Movable head position controlling device for magnetic recording and reproducing apparatuses
10/15/1996US5566375 Magnetic disk drive having voice coil motor for moving a carriage and rocking mechanism for locking the carriage
10/15/1996US5566369 Controlled velocity head parking circuit
10/15/1996US5566095 Fast calibration using microsteps
10/15/1996US5566075 Method of manufacturing a thin film magnetic head
10/15/1996US5566039 Read/write head positioning device
10/15/1996US5566038 Thin film magnetic head having core to coil over-voltage protection
10/15/1996US5566037 Cassette tape player compatible with cassette tapes of different formats
10/15/1996US5566036 Cable connecting apparatus between audio control head and main printed circuit board for video cassette tape recorder
10/15/1996US5566034 Off-track detection with charge redistribution A/D circuits
10/15/1996US5565815 Current amplifier having a fully differential output without a d.c. bias and applications thereof
10/15/1996US5565695 Magnetic spin transistor hybrid circuit element
10/15/1996US5565236 Forming layer of copper, nickel, and cobalt by evaporation or electroplating, precipitating magnetic particles within the layer
10/12/1996CA2171154A1 Seek actuator for optical recording
10/12/1996CA2170971A1 Apparatus and method for suppression of electromagnetic interference
10/10/1996WO1996031874A1 Process and device for reading magnetically recorded signals
10/10/1996WO1996031834A1 Method and apparatus for secure data storage and manipulation using magnetic media
10/10/1996WO1996031802A1 Process and device for reading out binary information magnetically stored in a transparent magnetic layer
10/10/1996DE19610903A1 Optical measurement of narrow gap between surfaces of test object and transparent element
10/10/1996DE19544740A1 Air-supported electromagnetic head slider for hard disk drive
10/10/1996DE19513302A1 Verfahren und Vorrichtung zum Lesen magnetisch gespeicherter Signale Method and apparatus for reading magnetically stored signals
10/09/1996EP0736869A2 Method and apparatus for recording digital signal and drum unit for recording FM audio signal and digital signal
10/09/1996EP0736866A2 Bias coil for magneto-optical drive
10/09/1996EP0736860A2 Improvements in security for personal identification documents by storing a digitized image in a magnetic medium dispersed invisibly within a portion of the document
10/09/1996EP0736859A2 Slider supporting structure of magnetic disk unit
10/09/1996EP0517740B1 Low molecular weight carbohydrates as additives to stabilize metal oxide compositions
10/09/1996CN1132913A Air-bearing electromagnetic head slider
10/09/1996CN1132902A Optical recording medium having dual information surfaces
10/09/1996CN1132898A Magnetic tape surface treatment method and apparatus
10/09/1996CN1132897A Magnetic recording medium and method for producing it
10/09/1996CN1132896A Method for fabricating magnetic heads having elements formed on substrate and substrate having magnetic heads formed thereon
10/08/1996US5563868 Optical servo system for magnetic disk
10/08/1996US5563853 Magneto-optical recording apparatus that compensates for magnetic fields leaking from an objective lens actuator and a linear motor
10/08/1996US5563851 Magneto-optical recording apparatus capable of reproducing recording information while recording
10/08/1996US5563754 Thin film magnetic head including a durable wear layer and gap structure
10/08/1996US5563753 Contact scheme for minimizing inductive pickup in magnetoresistive read heads
10/08/1996US5563752 Magnetic recording and reproducing device using a giant magnetoresistive film