Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826) |
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04/24/1985 | EP0138457A2 Reproduced signal switching circuit for reproducing apparatus having rotary heads for special reproduction |
04/24/1985 | EP0138202A2 Tracking system for rotary magnetic recording medium |
04/24/1985 | EP0138036A2 Magnetic recording medium |
04/24/1985 | EP0137949A2 Magnetic recording medium |
04/24/1985 | EP0137926A1 Magnetic recording medium |
04/24/1985 | EP0137922A1 Magnetic head assembly |
04/24/1985 | EP0137855A1 Data transfer system using digital disc |
04/23/1985 | US4513337 Magnetic head for perpendicular magnetization recording |
04/23/1985 | US4513336 Cassette tape recorder |
04/23/1985 | US4513334 For a helical-scan tape reproducing device |
04/23/1985 | US4513333 Diagnostic recording |
04/23/1985 | US4513332 Disk drive having fine and coarse control of the read/write head |
04/23/1985 | US4513331 Method and apparatus for disk drive alignment |
04/23/1985 | US4513328 Method of recording video signals within a predetermined bit/unit time recording rate |
04/23/1985 | US4513054 Magnetic recording medium |
04/23/1985 | US4512906 From chlorides, nitrates or hydroxides of strontium, barium or lead |
04/23/1985 | US4512862 Method of making a thin film insulator |
04/23/1985 | CA1186003A1 Production of magnetic recording cards |
04/17/1985 | EP0137719A2 A video signal reproducing apparatus |
04/17/1985 | EP0137676A1 Magnetic transducer heads utilizing magnetoresistance effect |
04/17/1985 | EP0137346A2 Rotary head type digital information signal recording and reproducing apparatus and tracking control method therein |
04/17/1985 | EP0137308A1 Magnetic-recording supports |
04/17/1985 | EP0137307A1 Magnetic-recording supports |
04/17/1985 | EP0137267A1 Thin film magnetic transducer head |
04/17/1985 | EP0137232A1 Magnet pigments mainly consisting of iron, stable against processing, process for their production and their use |
04/17/1985 | EP0137190A2 Method of patterning thin film |
04/17/1985 | EP0137134A1 A magnetic head having a non-magnetic substrate |
04/17/1985 | EP0137051A1 Method of manufacturing a magnetic head flying body |
04/17/1985 | EP0137049A1 Perpendicular magnetic recording head |
04/16/1985 | US4511942 Automatic throat height control for film heads |
04/16/1985 | US4511941 Cassette tape apparatus with adjustable head positioning characteristics |
04/16/1985 | US4511938 Magnetizable recording disk and disk file employing servo sector head positioning |
04/16/1985 | US4511935 Tape recorder |
04/16/1985 | US4511934 Video tape recorder |
04/16/1985 | US4511933 Method and apparatus for recording a digital information signal |
04/16/1985 | US4511635 Magnetic recording medium |
04/16/1985 | US4511629 Radiadion curable unsaturated compounds |
04/16/1985 | US4511617 Magnetic recording medium |
04/16/1985 | US4511594 System of manufacturing magnetic recording media |
04/16/1985 | US4511484 Process for preparing magnetic coating composition |
04/16/1985 | US4511194 Magazine and disc holders for supporting discs in the magazine |
04/10/1985 | EP0136808A2 Method for recording and/or reproducing video and audio signals on a magnetic tape and a rotary cylinder arrangement therefor |
04/10/1985 | EP0136785A1 Position control apparatus for controlling positions of rotary heads with respect to a recording medium |
04/10/1985 | EP0136723A2 Recording carrier comprising an amorphous magnetooptic recording medium layer consisting of rare earth-transition armorphous metal formed on a plastic substrate |
04/10/1985 | EP0136631A2 A process for forming a magnetic record member and a magnetic record member |
04/10/1985 | EP0136599A2 Barium ferrite magnetic powder and recording medium employing the same |
04/10/1985 | EP0136590A1 Magnetic recording medium |
04/10/1985 | EP0136533A1 Magnetic recording medium |
04/10/1985 | EP0136445A1 Transportsystem |
04/09/1985 | US4510543 Magnetic head system for tape player |
04/09/1985 | US4510541 Magnetic disk storage unit with reciprocating magnetic head for cleaning the magnetic disc |
04/09/1985 | US4510538 Magnetic recording apparatus |
04/09/1985 | US4510537 Magnetic head moving velocity detector |
04/09/1985 | US4510530 Signal reproducing circuit for a video tape recorder |
04/09/1985 | US4510203 Magnetic recording medium |
04/09/1985 | US4509251 Apparatus and method for orienting a magnetic gap in a slider head in a carriage |
04/09/1985 | CA1185367A1 Magnetic head and method of producing same |
04/09/1985 | CA1185331A1 Wave-shaping circuit for digital signal |
04/09/1985 | CA1185307A1 Combined linear motor and side mounted outboard carriage |
04/03/1985 | EP0136157A2 Magnetic head for perpendicular magnetic recording |
04/03/1985 | EP0136102A2 Perfluoropolyether compositions which are soluble in non-fluorinated solvents |
04/03/1985 | EP0136038A1 Method and apparatus for producing electroplated magnetic memory disk, and the like |
04/03/1985 | EP0135982A1 Easily slippable aromatic polyester film and process for production thereof |
04/03/1985 | EP0135915A1 Ceramic substrate for a thin layer magnetic head |
04/03/1985 | EP0135886A1 Magnetic recording apparatus |
04/03/1985 | EP0135774A2 Magnetic recording medium and magnetic particles therefor |
04/03/1985 | EP0135739A1 Combined write and read magnetic head for a vertically magneticable recording medium |
04/03/1985 | EP0135738A1 Read write magnetic head for vertically magnetizable recording medium |
04/02/1985 | US4509155 Circuit arrangement for a disk player for reproducing information prerecorded in the form of pits |
04/02/1985 | US4509084 Rotary magnetic head |
04/02/1985 | US4509083 Head tracking control for video tape recorder |
04/02/1985 | US4508782 Base film for magnetic recording tape with F-5 values of 9-15 Kg/mm2 |
04/02/1985 | US4508752 Method for manufacturing a magnetic recording medium |
04/02/1985 | CA1185011A1 Information signal reproducing apparatus |
04/02/1985 | CA1185008A1 Magnetic transducer |
03/28/1985 | WO1985001379A1 Disk accessing circuitry |
03/28/1985 | WO1985001378A1 Microfloppy disc drive head cleaner |
03/28/1985 | WO1985001247A1 Process for producing biaxially oriented polyester film |
03/27/1985 | EP0135451A1 Composite polyester films |
03/27/1985 | EP0135118A2 Method of producing fine particles |
03/27/1985 | EP0135096A1 Magnetic head for a recording medium to be perpendicularly magnetized |
03/27/1985 | EP0135020A1 Magnetic recording disks |
03/27/1985 | EP0134994A1 Method of making magnetic recording media with a back layer |
03/27/1985 | EP0134993A1 Method of making magnetic recording media |
03/27/1985 | EP0134812A1 Magnetic transducer positioning apparatus |
03/26/1985 | US4507696 Drum-shaped scanning device |
03/26/1985 | US4507693 Control apparatus for rotation type storage device |
03/26/1985 | US4507688 Information recording apparatus |
03/26/1985 | US4507686 Television signal recording and reproducing apparatus |
03/26/1985 | US4507457 Production of magnetic recording media |
03/26/1985 | US4507364 Cobalt-chromium alloy |
03/26/1985 | US4507179 Process of producing aluminum substrate for magnetic recording media |
03/20/1985 | EP0134675A1 Perpendicular magnetization type magnetic head |
03/20/1985 | EP0134421A2 Bonding method for producing very thin bond lines |
03/20/1985 | EP0134412A1 Lubricated magnetic record disk and a process for making it |
03/19/1985 | US4506309 Tape drive calibration meter |
03/19/1985 | US4506308 Managanese-zinc ferrite read/write head nickel-zinc ferrite erase head bonded by glass |
03/19/1985 | US4506307 Magnetic head slider and actuator assembly |
03/19/1985 | US4506000 Double layer of magnetic particles reduces biuas noise |
03/19/1985 | US4505990 Improving antistatic properties of magnetic tapes, salt of perfluoroalkyl sulfonate or acid |