| 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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| 01/05/1994 | DE4321488A1 Digital magnetic video recording method with audio multiplexing - selecting sampling frequency, data rate, recording mode and number of audio channels according to deg. of definition |
| 01/05/1994 | DE4222015A1 Low viscosity, high Tg dispersion for magnetic tape - with binder contg. polyester-oligo-urethane or hydroxy-oligo-urethane in addn. to hard and soft polymer |
| 01/05/1994 | DE4221729A1 Rotary scanner for magnetic tape coiled around drum - has control track head secured to concentric ring with peripheral notch for angular adjustment by leverage tool |
| 01/05/1994 | CN2152245Y Simple practical magnetic card |
| 01/05/1994 | CN2152240Y Out connection movable hard disk device |
| 01/05/1994 | CN1023430C Method and apparatus for recording signals on a record carrier, measurement method and device for use in the recording method and apparatus, and record carrier |
| 01/04/1994 | US5276672 Micro-displacement type information detection probe device and scanning tunneling microscope, atomic force microscope, information processing device by use thereof |
| 01/04/1994 | US5276579 High accuracy track width thin-film magnetic head |
| 01/04/1994 | US5276578 Magnetic head having a pair of front core assemblies |
| 01/04/1994 | US5276575 Magnetic head having a notched magnetic core portion with a zero depth position offset |
| 01/04/1994 | US5276574 Magnetic head |
| 01/04/1994 | US5276573 Slider unit controllably actuated at a surface of a moving information recording medium |
| 01/04/1994 | US5276571 Cassette tape player |
| 01/04/1994 | US5276566 Recording/reading high density data tracks with backward compatibility |
| 01/04/1994 | US5276560 Rotary magnetic type recording apparatus |
| 01/04/1994 | US5276559 Technique for recording and reproducing low rate data in a helical vehicle scan recorder having a stationary time code signal reproduce magnetic head |
| 01/04/1994 | US5276558 Electronic information tag |
| 01/04/1994 | US5276517 Video equalizing circuit |
| 01/04/1994 | US5275879 Magnetic recording medium containing carbon black having specific properties |
| 01/04/1994 | US5275850 Process for producing a magnetic disk having a metal containing hard carbon coating by plasma chemical vapor deposition under a negative self bias |
| 01/04/1994 | US5275842 Method for producing magnetic recording medium |
| 01/04/1994 | US5275660 Ceramic hoppers; uniform application to continuously running web |
| 01/04/1994 | CA1325846C Device with read head for magnetically recorded information |
| 12/29/1993 | EP0576376A2 Cobalt platinum magnetic film and method of fabrication thereof |
| 12/29/1993 | EP0576369A2 Shielded dual element magnetoresistive reproduce head exhibiting high density signal amplification |
| 12/29/1993 | EP0576286A2 Magnetic head driving device and magnetooptical recording apparatus |
| 12/29/1993 | EP0576245A2 Magneto-optic recording apparatus and method therefor |
| 12/29/1993 | EP0575953A1 Magnetic recording medium |
| 12/29/1993 | EP0575624A1 Circuit for equalizing waveform of signal reproduced by thin film magnetic head |
| 12/29/1993 | CN2151520Y Self-cleaning tape cassette |
| 12/29/1993 | CN1080080A Head drum cleaning device for magnetic recording and reproducing apparatus |
| 12/29/1993 | CN1080079A A backward compatible hdtv recording/reproducing system |
| 12/29/1993 | CN1080078A Arcuate scanning tape drive |
| 12/28/1993 | US5274521 Planar thin film magnetic head |
| 12/28/1993 | US5274520 Thin film magnetic head |
| 12/28/1993 | US5274519 Magnetic recording apparatus with air vane actuated regulating member for head slider |
| 12/28/1993 | US5274518 Negative pressure air bearing slider having converging isolation channels |
| 12/28/1993 | US5274515 Tracking control device for a video tape recorder |
| 12/28/1993 | US5274512 Coefficient control system for digital equalizer using orthogonal oscillation |
| 12/28/1993 | US5274511 Servo signal recording method and apparatus |
| 12/28/1993 | US5274510 Track address pattern for a disk memory apparatus |
| 12/28/1993 | US5274508 Tape storage device for storing audio data in the amble frames of a DDS format tape |
| 12/28/1993 | US5274507 High performance disk storage system |
| 12/28/1993 | US5273948 Bonding a magnetic core having a gap with an iron-silicon-aluminum film to a nonmagnetic ceramic slider |
| 12/28/1993 | US5273834 Discs for memory storage devices |
| 12/28/1993 | US5273830 Magnetic recording medium comprising a syndiotactic styrene-based polymer substrate, a magnetic layer and a backcoat lubricating layer each layer containing a curable phosphazine compound |
| 12/28/1993 | US5273826 Polyurethane containing phosphorus groups as binder |
| 12/28/1993 | CA1325676C External magnetic field device for a magnetooptical information recording and reproducing apparatus |
| 12/23/1993 | WO1993026118A1 A backward compatible hdtv recording/reproducing system |
| 12/23/1993 | WO1993026018A1 Giant magnetoresistant single film alloys |
| 12/23/1993 | WO1993026007A1 Steering laser beam while etching optical servo tracks for magnetic disks |
| 12/23/1993 | WO1993026005A2 Arcuate scanning tape drive |
| 12/23/1993 | WO1993026004A1 Apparatus for and method of verifying etching of optical servo information on magnetic media |
| 12/23/1993 | WO1993026000A1 Biasing and erasing apparatus and method for a magnetic tape recording device to improve signal-to-noise ratio |
| 12/23/1993 | WO1993025343A1 Pneumatic hub locking device for etching optical servo tracks on magnetic disks |
| 12/23/1993 | WO1993025342A1 Exhaust and particle wastes collecting device for laser etching |
| 12/23/1993 | WO1993025341A1 Acousto-optical intensity control of laser beam |
| 12/23/1993 | DE4319847A1 Helical scan head cleaning unit - has wheel mounted on coupled lever mechanism that is operated by sliding element to move against rotating surface. |
| 12/23/1993 | DE4219748A1 Automatic head cleaning system for floppy disc heads - has controller logic that initiates reversal of spindle rotation and doubles speed of rotation to effect cleaning action. |
| 12/23/1993 | CA2114721A1 Arcuate scanning tape drive |
| 12/22/1993 | EP0575200A1 Recording medium capable of suppressing resonance from recording and reproducing devices |
| 12/22/1993 | EP0574930A2 Magneto-optical disc |
| 12/22/1993 | EP0574917A2 Method and system for dubbing a digital video signal on a record medium |
| 12/22/1993 | EP0574896A2 Composite type thin film magnetic head |
| 12/22/1993 | EP0574835A1 Magnetic recording medium |
| 12/22/1993 | EP0489040B1 Process and device for copying magnetic tapes |
| 12/22/1993 | CN1079838A Method and apparatus for magnetic transducing |
| 12/21/1993 | US5272582 Magneto-resistance effect magnetic head with static electricity protection |
| 12/21/1993 | US5272581 Disk-type recording medium and storage apparatus |
| 12/21/1993 | US5272578 Method for writing a uniform servo code into a magnetic disk drive |
| 12/21/1993 | US5272574 Recording/playback circuit in a video tape recorder capable of recording a plurality of video signals |
| 12/21/1993 | US5272573 High-speed magnetic tape duplicator apparatus having an array of permanent magnets productive of a spatially varying transfer field of gradually diminishing strength |
| 12/21/1993 | US5272330 Optical system |
| 12/21/1993 | US5271966 Method for manufacturing a magnetic recording medium |
| 12/21/1993 | US5271857 Process for preparing magnetic coating composition |
| 12/21/1993 | US5271802 Method for making a thin film magnetic head having a protective coating |
| 12/21/1993 | CA1325328C Method for achieving the planarity of an active face for a magnetic recording/reading head |
| 12/15/1993 | EP0574338A2 Apparatus for measuring magnetic bias field for anhysteretic recording |
| 12/15/1993 | EP0574238A1 Digital signal recording and reproducing apparatus |
| 12/15/1993 | EP0574216A2 Digital video tape recorder |
| 12/15/1993 | EP0574020A1 System and method for multilayer film production on tape substrates |
| 12/15/1993 | EP0262224B1 Magnetic recording medium |
| 12/15/1993 | CN1079575A Liquid-bearing data recording disk file with transducer carrier having rear ski pad at the head-disk interface |
| 12/15/1993 | CN1079574A Magnetic recording and playing apparatus |
| 12/15/1993 | CN1079573A Magnetic recording medium comprising binder that may be cured using both isocyanate and radiation curing techniques |
| 12/15/1993 | CN1023161C Flexible flat cable for connecting head of automatic reverse type recorder |
| 12/14/1993 | US5270899 Erasing apparatus |
| 12/14/1993 | US5270895 Combined read/write thin-film magnetic head with composite shared flux guide |
| 12/14/1993 | US5270894 MIG magnetic head structured to minimize pseudo-gap problem |
| 12/14/1993 | US5270893 Specific core structure in a magneto-resistance head |
| 12/14/1993 | US5270892 Conductor configuration for magnetoresistive transducers |
| 12/14/1993 | US5270891 Vertically distant magnetic head units with piezoelectric error tracking |
| 12/14/1993 | US5270890 Helical scan type rotary head apparatus |
| 12/14/1993 | US5270889 Magnetic head slider and support mechanism therefor |
| 12/14/1993 | US5270888 Composite slider head with reduced readback oscillation |
| 12/14/1993 | US5270887 Compact disk drive head disk assembly with conformable tape seal |
| 12/14/1993 | US5270886 Two motor servo system for a removable disk drive |
| 12/14/1993 | US5270885 Hard-disk storage apparatus with memory storing data-head control information |
| 12/14/1993 | US5270883 Magnetic read/write circuit |
| 12/14/1993 | US5270882 Low-voltage, low-power amplifier for magnetoresistive sensor |