Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826) |
---|
06/08/1993 | CA1318975C Automatic servo gain calibration system for a disk drive |
06/03/1993 | DE4240179A1 Magnetic tape recording assembly with erase head - has magnetic core with gap region coated to provide peak strength field flanked by null regions |
06/02/1993 | EP0544642A2 Magnetic transducer head apparatus utilizing the magnetoresistance effect |
06/02/1993 | EP0544302A2 A magnetic head holding apparatus for recording a magneto-optical disc |
06/02/1993 | EP0544170A1 Thermostable iron oxide pigments, process for the preparation thereof and use thereof |
06/02/1993 | EP0544014A1 Magnetic recording medium |
06/02/1993 | CN1072792A Mildew-retarding magnetic disk and producing method thereof |
06/01/1993 | US5216631 Microvibratory memory device |
06/01/1993 | US5216561 Apparatus and method of manipulating sum, absolute difference and difference signals for suppressing medium-induced playback error in a magnetoresistive head assembly |
06/01/1993 | US5216560 Stabilization of magnetoresistive sensors using the longitudinal field produced by the current in the contact leads |
06/01/1993 | US5216559 Carrier structure for read/write heads |
06/01/1993 | US5216553 Magnetic recording circuit having a storage feature dependent upon track location |
06/01/1993 | US5215874 Silver halide photographic material having magnetic recording member |
06/01/1993 | US5215833 Low in drop-out, heat roll stain; running durability; plural magnetic layers; specified dynamic friction coefficient |
06/01/1993 | US5215803 Magnetic recording medium |
06/01/1993 | US5215608 Adhesive used as "quick tack"; minimal application time; minimal electrical resistance |
06/01/1993 | US5215420 Substrate handling and processing system |
06/01/1993 | US5215009 Apparatus for calendering magnetic recording media |
06/01/1993 | US5214840 Thin film magnetic head and the method of fabricating the same |
06/01/1993 | CA1318690C Iodine-containing compound, preparation thereof and block copolymer comprising the same |
05/27/1993 | WO1993010531A1 Small size constant torque voice coil motor |
05/27/1993 | WO1993010526A1 Magnetic recording medium and production method thereof |
05/27/1993 | WO1993010525A1 Method and apparatus for thermal calibration of hard disk drive |
05/27/1993 | WO1993010524A1 Composite type magnetic head |
05/27/1993 | WO1993009900A1 Storage of metal particles |
05/27/1993 | DE4235874A1 Non-magnetic substrate for magnetic head - comprises ceramic material of calcium oxide, titanium di:oxide and nickel oxide |
05/27/1993 | DE4138700A1 Prodn. of ferromagnetic needle-like gamma iron (III) oxide - having high coercive field strength and used in prodn. of magnetic recording supports |
05/27/1993 | DE4138267A1 Master and copy tape system for thermomagnetic copying - contg. magnetic pigment with higher Curie temp. in master tape and limited butyl palmitate concn. |
05/26/1993 | EP0543690A1 Slide for magnetic recording |
05/26/1993 | EP0543654A2 Positioning control system |
05/26/1993 | EP0543637A2 Head core slider for rigid magnetic disk drive and method of fabricating the same |
05/26/1993 | EP0543605A2 Helical scan devices for recording/reading high density data tracks |
05/26/1993 | EP0543600A2 Biaxially oriented thermoplastic resin film |
05/26/1993 | EP0543580A2 Magneto-optical recording apparatus capable of reproducing recording information while recording |
05/26/1993 | EP0543434A1 Magnetic head with a system of coils compensating magnetic leakage |
05/26/1993 | EP0543180A1 Camera system with latent and digital image capture |
05/26/1993 | EP0543179A1 Photographic system with off-the-film exposure metering |
05/26/1993 | EP0542910A1 Thermomagnetic recording system having high storage density and direct-overwrite capability. |
05/26/1993 | CN1072527A Device of magnetic heads |
05/25/1993 | US5214589 Throat height control during lapping of magnetic heads |
05/25/1993 | US5214553 Magnetic contact recording head for operation with tapes of varying thicknesses |
05/25/1993 | US5214552 Actuator for moving recording head and method for producing the same |
05/25/1993 | US5214545 Signal erasing apparatus |
05/25/1993 | US5214544 Apparatus for generating a track zero signal in a floppy disc driver without an optical track zero sensor |
05/25/1993 | US5214515 Video signal recording/reproducing apparatus |
05/25/1993 | US5212877 Method of and apparatus for drying coated substrates |
05/25/1993 | CA1318398C Thin film head read recovery |
05/25/1993 | CA1318397C Method and apparatus for driving a stepping motor |
05/25/1993 | CA1318396C Tracking servo control for disc drive |
05/25/1993 | CA1318395C Magnetic tape recording and/or reproducing apparatus with recorded channel indicator |
05/23/1993 | WO1993010535A1 Disc device |
05/23/1993 | CA2100157A1 Disk drive |
05/23/1993 | CA2081141A1 Pulsed current resistive heating for bonding temperature critical components |
05/19/1993 | EP0542651A2 Compliant support with mutually adhered web for transfer of information |
05/19/1993 | EP0542635A1 Magnetic dispersion coating method and apparatus having high shear regions |
05/19/1993 | EP0542563A2 Magnetic disc apparatus |
05/19/1993 | EP0542540A2 Playback equalising circuit for a digital magnetic reproducing apparatus |
05/19/1993 | EP0542511A2 Biaxially oriented polyethylene-2,6-naphthalenedicarboxylate film and process for the production thereof |
05/19/1993 | EP0542176A2 Magneto-optical recording medium |
05/19/1993 | EP0541943A2 Thin film magnetic head with narrow yoke |
05/19/1993 | EP0541580A1 Precompensation and read equalization |
05/19/1993 | DE4238400A1 Transverse magnetic recording material mfr. - uses sputtering process to form film of Neodymium-Iron-Boron on surface of non magnetic carrier. |
05/19/1993 | CN1020820C Magnetooptical recording media and initialization methods thereof |
05/19/1993 | CA2083080A1 Biaxially oriented thermoplastic resin film |
05/18/1993 | US5212680 Mass storage device employing array of transducers "cocked" in relation to reciprocal movement axis |
05/18/1993 | US5212657 Kinetofrictional force testing apparatus |
05/18/1993 | US5212615 Data storage device having stretched and distended magnetic media surface |
05/18/1993 | US5212613 Rotary head drum |
05/18/1993 | US5212612 Magnetic head |
05/18/1993 | US5212611 Integral read/write recording head with dual gap dimension |
05/18/1993 | US5212610 Scanning device for magnetic tape with special bearing arrangement for scanner shaft |
05/18/1993 | US5212609 Magnetoresistive head |
05/18/1993 | US5212608 Head slider for magnetic disk drive, having side rails with gradually increasing width forming a shallow recess |
05/18/1993 | US5212604 Method and apparatus for processing positioning signals in a record |
05/18/1993 | US5212603 Tracking control means for a multi-channel reproducing apparatus |
05/18/1993 | US5212602 Magnetic head having fuse within head case |
05/18/1993 | US5212561 Noise killing circuit for video tape duplicating apparatus |
05/18/1993 | US5212417 Stepping motor for driving head carriage and disc drive unit comprising such motor |
05/18/1993 | US5212388 Method for detecting tracking error in magnetic tapes with using an X-Y stage calibration means |
05/18/1993 | US5212019 Magnetic recording medium having a magnetic layer containing ferromagnetic metal powder, binder, fatty acid ester, and a specified branched chain fatty acid |
05/18/1993 | US5212006 High density magnetic recording medium |
05/18/1993 | US5211770 Magnetic recording powder having a high coercive force at room temperatures and a low curie point |
05/18/1993 | US5211734 Method for making a magnetic head having surface-reinforced glass |
05/18/1993 | US5210929 Method of making a ferrite capped Winchester-style slider |
05/18/1993 | CA1317906C Magnetic recording material |
05/18/1993 | CA1317749C Process for producing magnetic head of floating type |
05/13/1993 | WO1993009533A1 Slider air bearing surface with angled rail configuration |
05/13/1993 | WO1993009532A1 Unshielded magnetoresistive head with multiple pairs of sensing elements |
05/13/1993 | WO1993009480A1 Low acoustic noise seeking method and apparatus |
05/13/1993 | WO1993009166A1 Polyethylene 2,6-naphthalenedicarboxylate film |
05/13/1993 | WO1993008909A1 In situ use of gelatin in the preparation of uniform ferrite particles |
05/13/1993 | CA2121252A1 In situ use of gelatin in the preparation of uniform ferrite particles |
05/12/1993 | EP0541372A1 Method and apparatus for recording signals |
05/12/1993 | EP0541156A1 Magnetic head having a core portion of polycrystalline MnZn ferroferrite |
05/12/1993 | EP0541072A2 Laminated polyester film for magnetic recording medium |
05/12/1993 | EP0541039A2 Device for gathering information |
05/12/1993 | EP0540540A1 Vaterite and production method. |
05/12/1993 | EP0214175B1 Vertical magnetic recording arrangement |
05/12/1993 | CN2133030Y Recorder with normal speed four-surface for common tap |
05/12/1993 | CN1072037A Magnetic head cleaning device for video recording and playing machine |