Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
11/1992
11/03/1992US5161078 Magnetic tape system including a rotatable head support for rotating the magnetic head of the system through substantially 180°
11/03/1992US5161077 Actuator arm with a steel sleeve for thermal off track compensation
11/03/1992US5161076 Magnetic head slider suspension apparatus and method of fabrication
11/03/1992US5161074 Flexible retainer for cantilevered matrix board
11/03/1992US5161071 Reading circuit used for floppy disk unit
11/03/1992US5160761 Coating, leveling in solvent vapor
10/1992
10/30/1992WO1992020066A1 Head suspension assembly
10/30/1992CA2109419A1 Head suspension assembly
10/29/1992WO1992018977A1 Magnetic data medium and its production, data system and data decoding device
10/29/1992WO1992018210A2 Sporting device steerable by weight displacement and a steerable wheel assembly for use therein
10/29/1992DE4213668A1 Magnetkopfanordnung Magnetic head assembly
10/29/1992DE4212657A1 Dusting-resistant high density high output magnetic recording medium - with electrically conductive pi-conjugated structure polymer replacing carbon@ black as antistat
10/29/1992DE4212656A1 Durable high bond strength, highly smooth magnetic recording medium - has layer contg. elution-resistant binder between magnetic layer and carrier
10/28/1992EP0510970A2 Magnetic head and manufacturing method thereof
10/28/1992EP0510926A2 Rotary transformer
10/28/1992EP0510893A1 Magnetic recording tape
10/28/1992EP0510699A2 Magnetic structure
10/28/1992EP0510690A2 Magnetic head
10/28/1992EP0510468A2 Corrosion protection of FeMn by ion implantation
10/28/1992EP0510202A1 Amorphous soft magnetic material
10/28/1992EP0418249B1 Thin-film magnetic with high secondary track attenuation
10/28/1992CN1065745A Tracing system and method using servo-data magnetic sensor and photolithoyraphic magnetic disc track
10/27/1992US5159514 Film magnetic head having a corrosion prevention layer provided over an electrode pad
10/27/1992US5159513 Multilayer; thin layer magnetic material separated by nonmagnetic material and layer of ferromagnetic material
10/27/1992US5159511 Biasing conductor for MR head
10/27/1992US5159510 Video tape recorder head ultrasonically vibrated transverse to a track traced by the head
10/27/1992US5159509 Magnetic head carriage device for magnetic disk drive
10/27/1992US5159508 Magnetic head slider having a protective coating thereon
10/27/1992US5159507 Tape recording and/or reproducing apparatus with a single motor for driving its rotary heads, capstan and reel bases
10/27/1992US5159505 Rotating drum having a center of gravity in registry with an axis of rotation
10/27/1992US5159500 Magnetic tape recording of reproducing apparatus with recorded channel indicator
10/27/1992US5159463 Reproducing device of multi-channel rotary head type having function to discriminate recorded state
10/27/1992US5159284 Noise reduction circuit with a main signal path and an auxiliary signal path having a high-pass filter characteristic
10/27/1992US5158833 Multilayer; gradients in concentration of nickel, cobalt
10/27/1992US5158830 Magnetic recording medium comprising a polyurethane resin coating residual groups derived from specified phosphorous containing compounds
10/27/1992US5158822 Magnetic recording medium and process for the preparation thereof
10/27/1992US5158802 Process for producing a magnetic recording material
10/27/1992CA2061118A1 Magnetic head and manufacturing method thereof
10/22/1992DE4213006A1 Magnetic recording medium e.g. for audio- or video-tape - has non-magnetic substrate and layers of binder and ferromagnetic powder, with magnetic powder of specified morphology in upper layer
10/22/1992DE4209744A1 Verfahren zur herstellung einer magnetplatte A process for producing a magnetic disk
10/22/1992DE4112792A1 Cleaning floppy disc drive magnetic heads - operating disc at increased speed for specific period with controlled head discharge while being moved across surface
10/21/1992EP0509806A2 A magnetic recording apparatus having a small rotary head drum
10/21/1992EP0509790A2 Magnetic powder for magnetic recording and magnetic recording medium containing the same
10/21/1992EP0509728A2 Tape duplicating apparatus
10/21/1992EP0509545A2 A magnetic head position controller in a magnetic recording and reproducing apparatus
10/21/1992EP0509539A2 Composite magnetic head
10/21/1992EP0509461A2 Magnetic head and method of manufacturing the same
10/21/1992EP0509361A2 Magnetic recording apparatus and magnetic recording medium with a film to be vertically magnetized sandwiched with soft magnetic films
10/21/1992EP0509320A1 Tape recording/reproducing apparatus and its cassette
10/20/1992US5157641 Apparatus for generating a magnetic biasing field for recording in a magneto-optical recording medium
10/20/1992US5157570 Magnetic pole configuration for high density thin film recording head
10/20/1992US5157569 Thin film magnetic head
10/20/1992US5157568 Floating type magnetic head device
10/20/1992US5157567 Composite disk drive head assembly having an improved core-to-slider bond
10/20/1992US5157563 Magnetic recording and reproducing apparatus using an electromagnetic actuator for automatic tracking
10/20/1992US5157559 Adjustable bandwidth differentiating amplifier for a magnetic disk drive
10/20/1992US5157558 Video recording unit featuring switching logic means for generating phase shifting matrix groups
10/20/1992US5157557 Multitrack system for PCM recording and playback of audio signals and supersonic waves
10/20/1992US5157066 Fluoroalkyl ether, surface modifying composition and method for modifying surface
10/20/1992US5156922 Acicular magnetic iron based alloy particles for magnetic recording and method of producing the same
10/20/1992US5156919 Exposing member to reactive gas in presence of glow discharge plasma to prevent corrosion
10/20/1992US5156916 Magnetic recording medium comprising a polyurethane binder having a polar group and containing iron carbide
10/20/1992US5156908 Magnetic recording medium and method for producing the same
10/20/1992US5156704 Forming transverse pressure contours by etching
10/20/1992CA2061330A1 Inductive current switching system and method
10/20/1992CA1309177C Thin film magnetic heads with thermally crosslinked insulation
10/19/1992CA2108484A1 Sporting device steerable by weight displacement and a steerable wheel assembly for use therein
10/15/1992WO1992017621A1 Apparatus and method for high throughput sputtering
10/14/1992EP0508827A2 Tracking control device
10/14/1992EP0508754A2 Process for bonding composition to a thin film storage media
10/14/1992EP0508617A1 Magnetic paint material and process for producing the same
10/14/1992EP0508565A2 Wear-resistant head for contact reading and writing magnetic media
10/14/1992EP0508533A2 Method of manufacturing a magnetic head, and magnetic head and magnetic head cluster obtainable by said method
10/14/1992EP0508471A2 Flying-type magnetic heads
10/14/1992EP0508366A2 Magnetic head positioning device
10/14/1992EP0508252A2 Process for fabrication of a magnetic recording medium
10/14/1992EP0508247A2 Process for fabrication of a magnetic recording medium
10/14/1992EP0507907A1 Digital servo control system for use in disk drives
10/14/1992EP0423216B1 A cleaning cassette for cassette tape recorders
10/13/1992USRE34099 Magnetoresistive read transducer with insulator defined trackwidth
10/13/1992US5155714 Interleaving method for interleaved magneto-optic recording of a track
10/13/1992US5155646 Multiple layered thin-film magnetic head for magnetic recording and reproducing apparatus
10/13/1992US5155645 Magnetic head with improved efficiency in both high and low frequency ranges
10/13/1992US5155644 Yoke thin film magnetic head constructed to avoid Barkhausen noises
10/13/1992US5155643 Unshielded horizontal magnetoresistive head and method of fabricating same
10/13/1992US5155642 Anisotropy configuration for longitudinally constrained magnetoresistive transducers
10/13/1992US5155641 Helical scan magnetic tape recording apparatus for reforming read-after-write storage of manufacturing rotary head used therein
10/13/1992US5155636 Apparatus and method for recording and reproducing digital data
10/13/1992US5154983 Magnetic alloy
10/13/1992US5153980 Method of forming a magnetic head chip for a thin film magnetic head
10/13/1992CA1308807C Magnetic disk drive with low profile head-suspension system
10/13/1992CA1308610C Flexible magnetic recording media having superior peel strength
10/11/1992CA2060669A1 Wear-resistant head for contact reading and writing magnetic media
10/08/1992DE4110590A1 Magnetic tape recording and playback head - is mounted on disc assembly with clamping provided by coupled bolts with spring discs that is readily released for removal
10/07/1992EP0507312A2 A biaxial oriented polyester film
10/07/1992EP0507281A2 Magnetic head drum for video data recording and reading apparatus
10/07/1992EP0507196A2 Adjustable write equalization for tape drivers
10/07/1992EP0507083A2 Data tape recorder having a data compressor/expander
10/07/1992EP0506654A1 High density magnetic card with one face susceptible of receiving a thermographic image
10/07/1992CN1018591B Thin film magnetic read/write head and method of forming the same