Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
07/1983
07/12/1983CA1149686A1 Metallic thin film magnetic recording medium
07/12/1983CA1149601A1 Method for complexing metal oxide particles in an organic medium
07/06/1983EP0083207A1 Automatic adjustment of recording conditions for tape recorders having auto reverse function
07/06/1983EP0083134A1 Recording head assembly with side track erasure
07/06/1983EP0083011A2 Process for producing magnetic recording mediums
07/05/1983US4392168 Rotary head assembly
07/05/1983US4392167 A boroalumina glass forms nonmagnetic gap
07/05/1983US4392166 Magnetoresistance effect type head
07/05/1983US4392165 Head lift mechanism
07/05/1983US4392164 Method of and apparatus for controlling the gain of circuitry responsive to read head of a memory
07/05/1983US4392163 Magnetic tape recording and/or reproducing apparatus with automatic head positioning
07/05/1983US4392162 Digital video signal reproducing apparatus
07/05/1983US4392161 Recorded tape, speed-change reproducing system
07/05/1983US4392159 Method and apparatus for digital video signal processing
07/05/1983US4391877 Aliphatic ketone lubricant
07/05/1983US4391874 Thin film with layer of alkyl isocyanate
07/05/1983US4391864 Magnetic recording medium
07/05/1983US4391851 Process for producing a magnetic recording medium
07/05/1983US4391849 Transducers
07/05/1983US4391035 Method of mounting a magnetic head unit on a movable carrier
07/05/1983CA1149509A1 Magnetic transducing head mount
07/05/1983CA1149508A1 Buried servo recording systems and methods
06/1983
06/29/1983EP0082670A2 Non-staling gum composition
06/29/1983EP0082645A1 Improvements in and relating to servo-track position detection systems
06/29/1983EP0082337A2 Assembly including a flexible disk and a diskdrive therefor
06/28/1983US4390917 Device for detecting edge of magnetic tape for recording signals
06/28/1983US4390916 Single track magnetic head assembly
06/28/1983US4390915 Helical scan type video tape recorder
06/28/1983US4390912 Transducer positioning system and data disk therefor
06/28/1983US4390911 Signal separation in magnetic recording using buried servo
06/28/1983US4390907 Magnetic recording system
06/28/1983US4390601 Vacuum evaporation of ferromagnetic material, lubricant, and macromolecular on support
06/28/1983US4390562 Rubbing a powdered lubricant over the protective coating of a metal thin film; adhesion
06/28/1983CA1149058A1 Apparatus for recording and/or reproducing information on a magnetic tape
06/28/1983CA1149057A1 Recording and/or reproducing apparatus
06/22/1983EP0081916A2 Improvements in and relating to differential signal decoders
06/22/1983EP0081855A2 Magnetic erasing head
06/22/1983EP0081802A1 Magnetic recording system
06/22/1983EP0081591A1 Method of manufacturing magnetic recording medium
06/21/1983US4389689 Method and apparatus for mounting magnetic tape heads
06/21/1983US4389688 Magnetic head supporting mechanism
06/21/1983US4389686 Tracking apparatus for use in a video tape recorder
06/21/1983US4389683 Switch-tuned filters
06/21/1983US4389682 Magnetic recording systems
06/21/1983US4389681 Method and apparatus for recording digitized information on a record medium
06/21/1983US4389458 Magnetic recording medium
06/21/1983CA1148655A1 Magnetic recording medium and process for production thereof
06/21/1983CA1148417A1 Process for production of magnetic recording elements
06/15/1983EP0081394A1 Float lapping fixture
06/15/1983EP0081375A2 Picture image processing magnetic disc controlling method and apparatus therefor
06/15/1983EP0081356A1 Apparatus for reproducing video signals
06/15/1983EP0081240A2 Thin film magnetic head
06/15/1983EP0081239A2 Magnetic head
06/14/1983US4388663 Cleaning cassette for a tape machine
06/14/1983US4388662 Thin film magnetoresistive head
06/14/1983US4388661 Multichannel magnetic head and a manufacturing method therefor
06/14/1983US4388660 Tape recorder employing miniature tape cassette and capable of automatic reversible operation
06/14/1983US4388657 Search-mode arrangement for VTR
06/14/1983US4388656 Multitrack recording with minimal intermodulation
06/14/1983US4388655 Method and apparatus for recording and reproducing video and sound
06/14/1983US4388376 Magnetic recording medium
06/14/1983US4388369 Magnetic recording medium
06/14/1983US4388368 Thin glass laminated to plastic film
06/14/1983US4388367 Perpendicular magnetic recording medium and fabrication
06/14/1983US4388360 Magnetic recording medium
06/14/1983CA1148261A1 Digital coding process for recording sound channels with a television signal and apparatus realizing this process
06/09/1983WO1983002032A1 Multitrack magnetic head employing double helix structure and method of making same
06/08/1983EP0080790A2 Method and apparatus for forming an extremely thin film on the surface of an object
06/08/1983EP0080575A1 AC bias data recording apparatus and method of AC bias data recording
06/07/1983US4387411 Apparatus and method for cleaning a video player/recorder
06/07/1983US4387410 Magnetic erase head for a tape player
06/07/1983US4387409 Magnetic head arm mounting apparatus
06/07/1983US4387408 Multi-speed magnetic recorder with wear resistance playback head
06/07/1983US4387136 Magnetic recording medium and apparatus for preparing the same
06/07/1983US4387124 Coating apparatus and method
06/07/1983US4387114 Solidification of a liquid
06/07/1983CA1147858A1 System for recording digital information in a pulse-length modulation format
06/07/1983CA1147855A1 Thin film magnetic head
06/07/1983CA1147854A1 Suspension for air bearing head arm assembly
06/01/1983EP0080373A1 Method of forming thin film magnetic head arrays
06/01/1983EP0080297A1 Magnetic tape recording and reproducing arrangements
06/01/1983EP0080205A2 Magnetic recording medium
06/01/1983EP0080204A2 Magnetic recording medium
06/01/1983EP0080017A1 Linear positioning apparatus for a read/write head
05/1983
05/31/1983US4386383 Magnetic transducer comprising a gap of variable larger dimension for reading and writing data present on a magnetic carrier
05/31/1983US4386381 Magnetic reproducing apparatus
05/31/1983US4386378 High gain, current mode preamplifier
05/31/1983US4386114 Method of manufacturing a thin-film magnetic field sensor
05/31/1983US4386113 Vapor deposition of ferromagnetic layer from container of magnesium oxide
05/31/1983US4385587 Apparatus for processing a flexible magnetic recording medium
05/31/1983CA1147459A1 Automatic head tracking system
05/31/1983CA1147457A1 Track selection method and apparatus
05/31/1983CA1147456A1 Automatically compensated movable head servo circuit and method
05/26/1983WO1983001872A1 Combined linear motor and carriage
05/26/1983WO1983001862A1 Gimbal assembly for flying magnetic transducer heads
05/26/1983WO1983001861A1 Contaminant purging in a magnetic disc drive
05/26/1983WO1983001860A1 Magnetic head loading and retraction apparatus
05/26/1983WO1983001859A1 Track identification code recording method
05/26/1983WO1983001858A1 Recording of transducer positioning information
05/25/1983EP0079748A1 Video tape recorder tracking system