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)
09/1986
09/02/1986US4609960 Rotary thin film magnetic head device
09/02/1986US4609959 Device for positioning a magnetic head to various tracks of a magnetic tape
09/02/1986US4609958 Precision bearing for reciprocating a magnetic head
09/02/1986US4609956 Magnetic drum cassette with magnetic drum having voice information recorded thereon
09/02/1986US4609954 Tracking servo for a disk player with a dc motor
09/02/1986US4609953 Disk unit
09/02/1986US4609952 Recording and reproducing apparatus
09/02/1986US4609950 Magnetic head apparatus with variable inductance
09/02/1986US4609949 Magnetic disc reproducing apparatus
09/02/1986US4609947 Video signal recording apparatus
09/02/1986US4609593 Magnetic recording medium
09/02/1986US4609588 Titanium dioxide, alumina, particle sizes
09/02/1986US4608942 Method of continuously spraying liquids onto lengthy bodies moving at high speed
09/02/1986CA1210862A1 Interactive video disc systems
09/02/1986CA1210859A1 Magnetic disc memory apparatus incorporating temperature compensation
09/02/1986CA1210858A1 Method and apparatus for recording and reproducing an information signal with a larger tape wrapping angle
08/1986
08/28/1986WO1986005027A1 Copying of magnetic recordings
08/28/1986WO1986005026A1 Facetted nodular particles, their preparation and use
08/27/1986EP0192032A1 Magnetic recording medium
08/27/1986EP0191998A1 Process for preparing facetted nodular particles and isotropic magnetic recording elements containing such particles
08/27/1986EP0191979A2 Coated shaped article formed from a polyaryl ether
08/27/1986CN85107240A Double-cassette tape recorder
08/26/1986US4608618 Digital alignment diagnostic disk
08/26/1986US4608613 Tracking apparatus for rotary magnetic recording medium
08/26/1986US4608315 Copolymer of vinyl chloride, vinylidene chloride, vinyl alkylcarboxylate, a saponificated vinyl alkylcarboxylate and other unsaturated compound
08/26/1986US4608297 Multilayer composite soft magnetic material comprising amorphous and insulating layers and a method for manufacturing the core of a magnetic head and a reactor
08/26/1986US4608293 Composite substrate for a thin-film magnetic head
08/26/1986US4608228 Wear resistance, high saturation magnetic flux density
08/26/1986US4608093 Gradual oxidation of particles containing no cobalt in oxygen-containing gas
08/26/1986CA1210501A1 Magnetic recording materials
08/26/1986CA1210500A1 Head arm mounting device for one or more scanning heads in recording/playback apparatus for disk records
08/26/1986CA1210415A1 Workpiece carrier
08/20/1986EP0191670A1 Sound message-recording device on the inner surface of a ring, playback device therefor and ring thus recorded
08/20/1986EP0191635A2 Magnetic head
08/20/1986EP0191622A2 Means for attaching magnetic heads
08/20/1986EP0191473A2 Method and apparatus for synchronizing tape recording and playback machines
08/20/1986EP0191469A2 Audio signal recording and/or reproducing apparatus
08/20/1986EP0191447A2 Magnetic head
08/20/1986EP0191406A2 Manufacturing process of magnetic recording medium
08/20/1986EP0191323A2 Magnetic recording disk and method of fabricating same
08/20/1986EP0191281A2 Rigid magnetic recording media
08/20/1986EP0191247A2 Apparatus for recording and reading information on a magnetic disk
08/20/1986EP0191226A2 Rewritable magneto-optical disc
08/20/1986CN85106170A High magnetic conductivity wear-resistant alloys and process for producing the same
08/19/1986US4607310 For use in cancelling the magnetic bias of a magentizable workpiece
08/19/1986US4607305 Monolithic multichannel multistack magnetic transducer assembly and method of manufacturing thereof
08/19/1986US4607297 Apparatus for detecting clogging of head gap
08/19/1986US4607295 Write data compensating circuit in magnetic recorder
08/19/1986US4607293 Magnetic recording and reproduction system
08/19/1986US4607068 Unsaturated polyurethanes, polycarbonates
08/19/1986US4606971 Magnetic recording medium
08/19/1986US4606638 Distance measuring interferometer and method of use
08/19/1986CA1210150A1 Recording apparatus with stable disc support and high magnetic flux hold-down
08/19/1986CA1210146A1 Magnetic tape having multiple tracks and recording apparatus therefor
08/14/1986WO1986004719A1 Aqueous thermoset magnetic coating composition and method of making
08/13/1986EP0190865A2 Servo circuit for use with an information-reproducing apparatus
08/13/1986EP0190854A2 Method for producing a perpendicular magnetic recording medium
08/13/1986EP0190695A2 Tape recording apparatus
08/13/1986EP0190555A1 Method and arrangement for positioning a magnetic head on several magnetic-tape tracks
08/13/1986CN86101471A Installing apparatus for magnetic head
08/13/1986CN85109351A Magnetic transdueer head
08/12/1986US4605979 Load/unload suspension device for a magnetic disc apparatus
08/12/1986US4605978 Clip system for immoveably mounting a magnetic head on a support
08/12/1986US4605977 Air bearing head displacement sensor and positioner
08/12/1986US4605976 Recording and/or reproducing system for a 4-head type recording and/or reproducing apparatus
08/12/1986US4605597 Ferromagnetic powder in binder and vinyl acetate-vinyl chloride copolymer
08/12/1986US4605574 Method and apparatus for forming an extremely thin film on the surface of an object
08/12/1986CA1209694A1 Helical scan recording and playback systems
08/12/1986CA1209693A1 Helical scan recording and playback systems
08/06/1986EP0189793A2 Magnetic read/write apparatus
08/06/1986EP0189548A1 Procedure for the copy-protected magnetic recording of video signals
08/06/1986EP0189503A1 Servowriter system for magnetic disc drives
08/06/1986CN86100831A Apparatus of tracking for video tape
08/05/1986US4604687 Method and system for storing and retrieving multiple channel sampled data
08/05/1986US4604670 Magnetic head
08/05/1986US4604669 Magnetostrictive record head
08/05/1986US4604667 Recording medium for recording and/or reproducing apparatus
08/05/1986US4604666 Data transfer apparatus for use with a magnetic disk cartridge
08/05/1986US4604660 Method and circuit for correcting a record timing
08/05/1986US4604296 Process for production of magnetic recording elements
08/05/1986US4604293 Scanning electron beam heating of magnetic material, then vapor deposition
08/05/1986US4604179 Sputtering-system baffle
08/05/1986CA1209262A1 Magnetic recording medium
08/05/1986CA1209261A1 Magnetic transducer head utilizing magnetoresistance effect
08/05/1986CA1209260A1 Magnetic transducer head using magnetroresistance effect
08/05/1986CA1209259A1 Magnetic transducer head
08/05/1986CA1209255A1 Video signal recording apparatus
08/05/1986CA1209254A1 Method and apparatus for recording and reproducing an analog signal
08/05/1986CA1209252A1 Helical scanning type recording/reproducing apparatus
08/05/1986CA1209251A1 Video tape recorder
07/1986
07/31/1986WO1986004445A1 Vertical magnetic recording arrangement
07/31/1986WO1986004444A1 Head positioning assembly for a disk drive
07/30/1986EP0188944A1 System for perpendicular recording and method for fabricating a magnetic head
07/30/1986EP0188943A1 Magnetic write transducer for transverse recording
07/30/1986EP0188842A2 Circuit arrangement for automatic gain control
07/30/1986EP0188765A2 Method for the preparation of isometric magnetic iron oxide pigments
07/30/1986EP0188655A2 Cleaning cassette
07/30/1986EP0188523A1 Improved substrate for rigid disk storage media and method and apparatus for making the same
07/30/1986EP0188474A1 Audio-video adapter for audio visual apparatuses.
07/29/1986US4603364 Apparatus for recording on opposite faces of flexible magnetic disk
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