| 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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| 01/23/1985 | EP0132040A1 Nonmagnetic particles to improve properties of magnetic recording compositions |
| 01/23/1985 | EP0131923A2 Coating compositions |
| 01/23/1985 | EP0131895A1 Magnetic disk substrate |
| 01/23/1985 | EP0131727A2 Two-module-head, read-after-write bi-directional tape drive |
| 01/23/1985 | EP0131716A1 Composite thin film transducer head |
| 01/22/1985 | US4495608 Device for rapidly moving an optical pick-up device in an optical reproducing apparatus to a desired position on a record disc |
| 01/22/1985 | US4495533 Disk memory indexing system |
| 01/22/1985 | US4495531 Equalizer circuit for signal waveform reproduced by apparatus for magnetic digital data recording and playback |
| 01/22/1985 | US4495530 Method of processing information signal with respect to opto-magnetic record medium |
| 01/22/1985 | US4495528 Magnetic reproducing system for a digital signal |
| 01/22/1985 | US4495526 Method and apparatus for identifying sound recordings |
| 01/22/1985 | US4495474 PLL Control circuit for recovery of data from audio disk |
| 01/22/1985 | US4495246 Acicular ferromagnetic chromium dioxide particles |
| 01/22/1985 | US4495242 Magnetic recording medium |
| 01/22/1985 | US4495241 Magnetic tape |
| 01/22/1985 | US4495164 Process for producing acicular magnetite or acicular maghemite |
| 01/22/1985 | CA1181234A1 Process for producing cobalt-containing magnetic iron oxide powder |
| 01/17/1985 | WO1985000239A1 Apparatus for reading magnetically recorded information |
| 01/16/1985 | EP0131469A2 Disk drive positioning system providing passive head crash protection |
| 01/16/1985 | EP0131316A2 System for the reproduction of information signals recorded on magnetic tape |
| 01/16/1985 | EP0131223A2 Process for producing cobalt-modified ferromagnetic iron oxide |
| 01/16/1985 | EP0131112A2 Process for producing a magnetic head |
| 01/15/1985 | US4494234 On-the-fly multibyte error correcting system |
| 01/15/1985 | US4494160 Magnetic head and method of manufacturing a magnetic head |
| 01/15/1985 | US4494159 Magnetic head-positioning device for magnetic disc drive |
| 01/15/1985 | US4494157 Information readout apparatus |
| 01/15/1985 | US4494156 Selectable format computer disk copier machine |
| 01/15/1985 | US4494153 Method of operating a signal reproduction apparatus for effecting synchronous reproduction of recorded signals |
| 01/15/1985 | US4494125 In an imaging system |
| 01/15/1985 | US4493874 Production of a magnetic powder having a high dispersibility |
| 01/15/1985 | US4493779 Process for the preparation of ferrite magnetic particulate for magnetic recording |
| 01/15/1985 | US4493778 Water-based magnetic coating composition |
| 01/15/1985 | CA1181170A1 Method and apparatus for recording and reproducing a digital information signal |
| 01/15/1985 | CA1181169A1 Pcm signal recording system |
| 01/15/1985 | CA1181033A1 Perpendicular magnetic recording medium and method for producing the same |
| 01/09/1985 | EP0130836A2 Apparatus to improve the positioning accuracy of a tracking arm |
| 01/09/1985 | EP0130667A2 Apparatus for recording and reproducing a video signal obtained from a high speed scanning video camera |
| 01/09/1985 | EP0130652A1 Magnetic head and method of manufacturing same |
| 01/09/1985 | EP0130572A2 Rotary head type PCM recorder |
| 01/09/1985 | EP0130496A1 Magnetic field sensing device |
| 01/09/1985 | EP0130495A1 A record disk bearing a servo pattern and record disk apparatus comprising such a record disk |
| 01/09/1985 | EP0130485A1 Control apparatus over recording of scenes for use in image recording system |
| 01/09/1985 | EP0130248A1 Track following servo system for a disk file |
| 01/08/1985 | US4492997 Reproducing and amplifying circuit for magnetoresistive head |
| 01/08/1985 | US4492992 High storage density disc data store employing controlled-angular-velocity rotary medium |
| 01/08/1985 | US4492991 Method and apparatus for controlling the stepping feed of an information medium |
| 01/08/1985 | US4492990 Noise reduction system |
| 01/08/1985 | US4492735 Ethylene vinyl acetate vinyl alcohol vinyl chloride tetrapolyme |
| 01/08/1985 | US4492734 Magnetic recording medium |
| 01/08/1985 | US4492719 Coating with organic metal salt and film forming polymer |
| 01/08/1985 | US4492035 For use with a rotating cylindrical guide drum assembly |
| 01/08/1985 | CA1180802A1 Support for stabilizing the movement of a magnetic medium over a magnetic head |
| 01/03/1985 | WO1985000070A1 Inductively-coupled, thin-film m-r head |
| 01/03/1985 | WO1985000069A1 Apparatus for recording and reproducing signal |
| 01/03/1985 | WO1985000068A1 Method and apparatus for recording digital data signal |
| 01/02/1985 | EP0130091A1 Apparatus for recording and/or reproducing digital information signals |
| 01/02/1985 | EP0130063A2 Magnetic recording media |
| 01/02/1985 | EP0129973A1 Magnetic disc memory apparatus incorporating temperature compensation |
| 01/02/1985 | EP0129918A2 Tape recorder |
| 01/02/1985 | EP0129721A2 Magnetic recording materials |
| 01/02/1985 | EP0129708A1 Phase modulated servo system for a disk file |
| 01/02/1985 | CA1180445A Optical information record member |
| 01/02/1985 | CA1180442A Psk modulation in ac bias data recording |
| 01/02/1985 | CA1180178A Polyurethane magnetic disk coatings |
| 01/01/1985 | US4491890 Device for positioning a magnetic head in a magnetic tape device |
| 01/01/1985 | US4491889 Cassette tape player |
| 01/01/1985 | US4491884 Method of monitoring head alignment in a magnetic data storage device |
| 01/01/1985 | US4491880 Magnetic recording and/or reproducing apparatus |
| 01/01/1985 | US4491878 Apparatus and method for forward/reverse slow motion video reproduction |
| 01/01/1985 | US4491287 Pushbutton actuated cassette tape transport |
| 12/27/1984 | EP0129475A2 Magnetic tachometer for disk drives |
| 12/27/1984 | EP0129336A1 Transducer-slider assembly having contoured air-bearing surface |
| 12/27/1984 | EP0129298A2 System for reproducing signals recorded on a magnetic tape |
| 12/27/1984 | EP0129226A1 Magnetic head |
| 12/27/1984 | EP0129224A1 PCM signal recording/reproducing apparatus |
| 12/27/1984 | CA1180113A Magnetic reproducing apparatus |
| 12/27/1984 | CA1180112A Reproducing apparatus |
| 12/27/1984 | CA1180111A Reproducing apparatus |
| 12/27/1984 | CA1180110A Automatic threshold tracking system |
| 12/27/1984 | CA1180002A Magnetic disk drive having a movable drive motor |
| 12/25/1984 | US4490766 Magnetic recording disk cleaning using controlled actuator motion |
| 12/25/1984 | US4490765 Diskette for cleaning a floppy-disc drive head |
| 12/25/1984 | US4490762 Support coated with mixture of binder and resin powder |
| 12/25/1984 | US4490761 Casette recorder cleaning unit |
| 12/25/1984 | US4490760 Thin-film magnetic head |
| 12/25/1984 | US4490759 Rotary head assembly having fluid thrust and radial bearings |
| 12/25/1984 | US4490758 Pinch-holder for magnetic disk |
| 12/25/1984 | US4490756 Servo encodement and detection system using tetra-orthogonal servo pattern |
| 12/25/1984 | US4490755 Recording and reproducing video signals at selectable different tape traveling speeds from plural video head pairs |
| 12/25/1984 | US4490754 Video recorder with reduced audio interference |
| 12/25/1984 | US4490753 Audio signal recording and reproducing circuit |
| 12/25/1984 | US4490662 Positioning method and apparatus therefor |
| 12/25/1984 | US4490635 Pure torque, limited displacement transducer |
| 12/25/1984 | US4490505 Polyfunctional aziridine crosslinking agents for aqueous magnetic recording media binder |
| 12/25/1984 | US4489484 Method of making thin film magnetic recording heads |
| 12/20/1984 | WO1984004843A3 Magnetic tape recording and reproducing apparatus |
| 12/19/1984 | EP0128650A1 Mechanical damper for disk drives having band drive actuators |
| 12/19/1984 | EP0128625A1 Magnetic transducing head for writing information on high-coercive recording media |
| 12/19/1984 | EP0128623A1 Apparatus for recording and reproducing information on a record carrier in the form of a tape |
| 12/19/1984 | EP0128586A1 Magnetic head |