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)
05/1983
05/25/1983EP0079391A1 Magnetic recording medium
05/24/1983US4385334 Vertical magnetic recording and reproducing head and a method for manufacturing the head
05/24/1983US4385119 Magnetic bacteria and products derived therefrom
05/24/1983US4385098 Magnetic recording media
05/24/1983CA1147055A1 Magnetic transducer head and method of manufacturing the same
05/24/1983CA1147054A1 Buffered recording
05/18/1983EP0078950A2 Process for the preparation of acicular, ferrimagnetic iron oxides
05/18/1983EP0078911A1 Magnetic head air bearing slider and electromagnetic actuator assembly
05/17/1983US4384346 Thin film magneto-resistive apparatus for effecting readout from magnetic memory devices
05/17/1983US4384311 Method for cleaning the disc surface and the head support structure in a magnetic disc drive
05/17/1983US4384309 Closed loop servo demodulator for positioning a servo head
05/17/1983US4384308 Apparatus for recording and detecting a cue signal
05/17/1983US4384100 Lubricants
05/17/1983US4384012 Method of manufacturing a magnetic recording element
05/17/1983US4383856 Method for manufacturing multilayer head core
05/11/1983EP0078552A2 Web coating apparatus and method
05/11/1983EP0078539A2 Method for preparing a magnetic recording medium
05/11/1983EP0078374A2 Thin film inductive transducer for perpendicular magnetic recording
05/11/1983EP0078368A2 Spin coating apparatus and method
05/10/1983US4383284 Perpendicular magnetic head and method of manufacturing the same
05/10/1983US4383283 Dual mini-disk drive
05/10/1983US4383281 Method and arrangement for magnetic digital recording with high frequency biasing with suppression of DC components in the recording signals
05/10/1983US4383207 Apparatus and method for displacing movable system with respect to a data carrier
05/10/1983US4383001 Magnetic recording medium
05/10/1983US4383000 Magnetic recording medium
05/10/1983US4382982 Process for protecting magnetic particles with chromium oxide
05/04/1983EP0078218A1 Method for the identification of illicit sound recordings, and duplicator using the method
05/04/1983EP0078059A2 Improved audio/video signal recording method
05/04/1983EP0078042A1 Surface modified ferromagnetic chromium dioxide
05/04/1983EP0077881A2 Bonding ceramic components and removing bubbles from bonding material
05/03/1983US4382299 Disc record system employing signal redundancy
05/03/1983US4382269 Magnetic head
05/03/1983US4382268 Tape transport speed control
05/03/1983US4382244 Device for magnetically orienting the magnetizable particles or magnetic recording media in a preferred direction
05/03/1983US4382110 Ferromagnetic material such as cobalt or a cobalt alloy
05/03/1983US4381966 Process for fabricating recording heads for magnetography
04/1983
04/28/1983WO1983001531A1 Method and apparatus for positioning a transducer using embedded servo track encoding and microprocessor control
04/28/1983WO1983001528A1 Magnetic recording medium
04/28/1983WO1983001527A1 Magnetic disc drive cleaning method
04/27/1983EP0077631A1 Signal phase and amplitude equalising circuit
04/27/1983EP0077549A2 Magnetic recording medium
04/26/1983US4381529 Magnetic head construction
04/26/1983CA1145464A1 Programmed video record disc and related playback apparatus
04/26/1983CA1145462A1 Magnetic recording and reproducing apparatus with device for tracking control of rotary magnetic heads
04/26/1983CA1145461A1 Hard fixed disc drive assembly and read-write head actuator
04/26/1983CA1145418A1 Data signal detection circuit
04/20/1983EP0077069A2 Magnetic recording medium
04/20/1983EP0076969A1 Perpendicular magnetic recording head
04/19/1983US4380784 Magnetic transducer for reading and/or recording of data contained on a magnetic carrier
04/19/1983US4380779 Method for recording multiplexed signals on metal evaporated tape
04/19/1983US4380211 Vacuum evaporation system for deposition of thin films
04/13/1983EP0076462A1 Method of Production of Magnetic Particles
04/13/1983EP0076361A1 Air bearing slider for a transducer
04/12/1983US4380068 Test unit for a high-rate multitrack digital recorder
04/12/1983US4380033 Disc-drive head positioning systems
04/12/1983US4379809 Magnetic recording medium
04/12/1983US4379803 Powder, binder, phosphide, antistatic
04/12/1983US4379800 Cleaning tape for magnetic recording apparatus
04/12/1983CA1144643A1 Magnetic card recording and/or reproducing apparatus
04/06/1983EP0076152A1 Method of producing a continuous thin film magnetic medium
04/06/1983EP0076142A1 Post treatment of perpendicular magnetic recording media
04/06/1983EP0076091A2 Magnetic recording and/or reproducing apparatus
04/06/1983EP0075991A2 Magnetic recording medium and method for the production thereof
04/06/1983EP0075870A2 Magnetic recording medium
04/06/1983EP0075869A2 Magnetic recording medium
04/05/1983US4379316 Read/write head carriage assembly for a floppy disk drive
04/05/1983US4379315 Carriage loading arm assembly having two magnetic transducers for a double sided floppy disc
04/05/1983US4379311 Recording bias setting device for a magnetic recording and reproducing apparatus
04/05/1983US4379256 Apparatus and method for measuring the speed of a movable system with respect to a data carrier
04/05/1983US4379183 Method of producing cobalt-modified magnetic particles
04/05/1983CA1144276A1 Video player/recorder cleaning apparatus and method
03/1983
03/31/1983WO1983001145A1 Magnetic recording medium
03/31/1983WO1983001144A1 Magnetic recording medium
03/31/1983WO1983001143A1 Emergency magnetic head retract system
03/31/1983WO1983001142A1 Method for recording information on magnetic tape and head for recording information on and reproducing information from magnetic tape
03/30/1983EP0075413A2 Magnetoresistive transducer assemblies
03/30/1983EP0075204A2 Magnetic-recording medium
03/30/1983EP0075083A2 Magnetic recording coating composition
03/30/1983EP0075024A1 Process for the preparation of nitrocellulose compositions
03/29/1983US4378582 Demagnetizing apparatus
03/29/1983US4378574 Digital data recorder and method
03/29/1983US4378573 Magnetic recording and reproducing system with noise cancellation
03/29/1983CA1143892A1 Linear random copolyester pigment binders
03/29/1983CA1143831A1 Buried control signal recording systems and method
03/29/1983CA1143808A1 Corrosion resistant conductive wire
03/23/1983EP0074796A2 Video tape recorders
03/23/1983EP0074750A2 Polyester film for magnetic recording medium and magnetic recording medium made therewith
03/23/1983EP0074467A2 Magnetic head arm assembly
03/23/1983EP0074410A1 Magnetic recording medium
03/23/1983EP0057178A4 A method for recording track marking information on flexible magnetical information carrier discs and apparatus for fine adjustment of the position of a reading head.
03/22/1983US4377831 Non-abrasive magnetic head cleaning system
03/22/1983US4377827 Servo positioning control system for a data storage apparatus
03/22/1983US4377825 Data control system for storing digital and audio information on a magnetic tape
03/22/1983US4377761 Linear stepper motor drive with a read/write head in a floppy disc system
03/22/1983CA1143472A1 Apparatus for magnetically recording and reading signals
03/22/1983CA1143471A1 Differential linear velocity transducer
03/22/1983CA1143469A1 Method of recording information and tracking signals and apparatus for carrying out the method
03/22/1983CA1143467A1 System for recording electrical signals, displayed on a moving support
03/22/1983CA1143143A1 Production of ferrimagnetic iron oxide
03/17/1983WO1983000944A1 Magnetizing apparatus
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