Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
08/1982
08/31/1982US4347536 Rotary cylinder apparatus
08/31/1982US4347535 Read/write head carriage assembly
08/31/1982US4347534 Auto-tracking system for magnetic tape recording device
08/31/1982US4347291 Magnetic recording medium and preparation thereof
08/31/1982US4346946 Rotary device
08/31/1982US4346668 Apparatus for the contact-free continuous measurement and monitoring of magnetic tracks on moving film strips
08/25/1982EP0058253A2 Systems for reading magnetic recordings
08/24/1982US4346426 Magnetic tape de-gausser and method of erasing magnetic recording tape
08/24/1982US4346425 Mass magnetic tape degaussing system
08/24/1982US4346418 High density multitrack magnetic head
08/24/1982US4346417 Selectively actuable magnetic head
08/24/1982US4346416 Rotary actuator assembly for disk drive head positioner
08/24/1982US4346415 Cassette tape recorder
08/24/1982US4346413 Magnetic head positioning servo arrangement for a system for recording/reproducing information on a magnetic recording medium, particularly on a flexible magnetic recording medium
08/24/1982US4346411 Amplitude sensitive three-level detector for derivative read back channel of magnetic storage device
08/24/1982US4345367 Method of manufacturing an extended life multichannel magnetic transducer
08/24/1982CA1130453A1 Digital recording
08/19/1982WO1982002810A1 Digital television tape recording
08/19/1982WO1982002790A1 Vertical recording-type single pole magnetic head
08/18/1982EP0057914A2 Video-recorder with a plurality of control elements
08/18/1982EP0057859A2 Device for working the surface of a magnetic recording carrier
08/17/1982US4344791 Surface coating and humid heating of goethite before reduction
08/17/1982CA1129999A1 Recording and/or reproducing apparatus for a magnetic tape
08/17/1982CA1129997A1 Magnetoresistive reading head
08/17/1982CA1129994A1 Recording and/or reproducing apparatus
08/17/1982CA1129993A1 Tape recorder having magnetically controlled tape tensioning
08/17/1982CA1129991A1 Filter circuit
08/11/1982EP0057178A1 A method for recording track marking information on flexible magnetical information carrier discs and apparatus for fine adjustment of the position of a reading head.
08/10/1982US4344099 Head vertical alignment means for a tape recorder
08/10/1982US4344094 Method and apparatus detecting and setting optimum tape recording bias
08/10/1982US4344093 Delay and optimum amplitude equalizers for a readback circuit
08/10/1982US4343834 Process for preparing magnetic recording medium
08/10/1982US4343831 Process for producing magnetic recording medium
08/10/1982CA1129546A1 Hydraulic bearing with magnetic seal
08/10/1982CA1129545A1 Circuitry for adjustment of biasing current for recording sound by two-head type tape-recorder
08/10/1982CA1129544A1 Magnetic transducer head
08/05/1982WO1982002612A1 Floppy disc drive head cleaner
08/04/1982EP0056823A1 Method of controlling step-transfer of an information medium
08/04/1982EP0056799A1 Indicator device for cassettes loaded with magnetical information carrier
08/03/1982US4343026 Magnetoresistive head employing field feedback
08/03/1982US4343025 Transducer arm assembly for floppy disk
08/03/1982US4342589 Process for preparing iron compound particles for use in magnetic recording
08/03/1982CA1129092A1 Articulated head arm
08/03/1982CA1129091A1 Magnetic head slider assembly
08/03/1982CA1129090A1 Automatic scan tracking
08/03/1982CA1129089A1 Apparatus for reproducing a video signal including an address signal when the video tape moves at various speeds
08/03/1982CA1129088A1 Method and apparatus for video signal recording
07/1982
07/28/1982EP0056720A1 Floppy disc drive head cleaner
07/27/1982US4342053 Video signal, speed-change reproducing system
07/27/1982US4342039 High resolution magnetic printing head
07/27/1982US4342006 Amplifier circuit for supplying load with output signal current proportional to input signal voltage
07/27/1982US4341855 Alkali-resistant coating by curing a suspension of particles in a mixture of acrylated epoxy resin, acrylic monomer, and solvent
07/27/1982US4341648 Method for manufacturing magnetic powder for high density magnetic recording
07/27/1982CA1128658A1 Multiple leg magnetic transducer structure
07/27/1982CA1128656A1 Video signal recording and/or reproducing device
07/27/1982CA1128290A1 Stabilization of magnetite pigments with heterocyclic nitrogen compounds
07/21/1982EP0056317A1 Cleaning disk assembly, cleaning disk and envelope
07/21/1982EP0056140A2 Signal copy device for digital record/reproduction system
07/20/1982US4340919 Head adjustment mechanism
07/20/1982US4340918 Pivoted magnetic head mount with adjustable limit
07/20/1982US4340915 Microphone sensitivity-changing apparatus
07/20/1982US4340914 Thermomagnetic recording and reproducing apparatus
07/20/1982US4340644 Vinyl acetate-vinyl chloride copolymer coating with polyester binder
07/20/1982US4340494 Process for the manufacture of ferromagnetic chromium dioxide
07/20/1982CA1128204A1 Placement of conductors of magnetic heads
07/20/1982CA1128201A1 Open loop servo-system for accurate tracking in a video signal reproducing apparatus
07/20/1982CA1128199A1 Automatically calibrated rf envelope detector circuit
07/14/1982EP0055994A2 Magnetic recording element and method of manufacturing same
07/14/1982EP0055819A2 A method of providing a layer of polymeric material on a substrate
07/13/1982US4339775 Fast frame rate augmentation
07/13/1982US4339425 Autoclaving
07/13/1982US4339337 Process for the preparation of magnetic beads of vinylaromatic polymers
07/13/1982CA1127755A1 Emergency head unload system for magnetic disk drive
07/08/1982WO1982002274A1 Arrangement for automatic erasing of the information contents in data bases
07/07/1982EP0055568A1 Read-write head thermal compensation system
07/07/1982EP0055377A2 Method of depositing nickel-iron-boron alloy magnetic films
07/07/1982EP0055334A1 Magnetic recording disk file
07/07/1982EP0055302A1 A video tape recorder and a method of assembling a video tape recorder
07/06/1982US4338643 Magnetic recording disc and method of making same
07/06/1982US4338631 Video signal, speed-change reproducing system
07/06/1982US4338367 Magnetic recording tape
07/06/1982CA1127303A1 Electronically controlled magnetic recording
07/06/1982CA1127301A1 Transducers with tapered edge profiles and assembly thereof
07/06/1982CA1127299A1 Biasing of magnetoresistive read head using gyrators
07/06/1982CA1127298A1 Thin film inductive transducer
07/06/1982CA1127297A1 Drive machine moving magnetic disks only partially therein for data transfer
07/06/1982CA1127294A1 Magnetic head tracking control system
07/06/1982CA1127016A1 High density magnetic recording media
06/1982
06/30/1982EP0054818A1 Agglomerated ferromagnetic particles
06/30/1982EP0054640A1 Composite magnetic recording disk
06/29/1982US4337492 Head positioning transducer for helical scan video reproducer
06/29/1982US4337288 Magnetic recording medium
06/29/1982US4337087 Microcrystalline thin strip for magnetic material having high permeability, a method of producing the same and articles made from the thin strip
06/29/1982CA1126862A1 Process for recording a pre-corrected television signal on a video-disc
06/23/1982EP0054419A2 Tracking control arrangement in a magnetic recording and reproducing device
06/23/1982EP0054269A2 Perpendicular magnetic recording medium, method for producing the same, and sputtering device
06/22/1982US4336310 Containing silica and oleic acid
06/22/1982US4336308 Magnetic recording media
06/22/1982US4336278 Method for coating magnetic, binder-containing dispersions on flexible substrates
06/22/1982US4336066 Method for manufacturing components for magnetic heads of increased abrasion resistance
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