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)
12/1985
12/24/1985US4559743 Method for calibrating a machining sensor
12/24/1985CA1198516A1 Data reproducing apparatus for reproducing digital data recorded on multi-tracks
12/24/1985CA1198515A1 Method and apparatus for recording digital information in alternate recording tracks
12/24/1985CA1198324A1 Method for preparing a magnetic recording medium
12/24/1985CA1198308A1 Deposition process
12/19/1985WO1985005720A1 Servo pattern
12/19/1985WO1985005719A1 Self-timed runout correction pattern
12/19/1985WO1985005673A1 Technique for measuring very small spacings
12/18/1985EP0165076A2 Magnetic recording medium
12/18/1985EP0164745A2 Method of and apparatus for recording/erasing information by utilizing light induced thermo-magnetic effect
12/18/1985EP0164727A2 Composite substrate plate for magnetic or optical disk and process for production thereof
12/18/1985EP0164725A2 Perpendicular magnetization film and its production
12/18/1985EP0164533A2 Method of preparing finely divided, needle-shaped highly coercitive, hexagonal ferrite
12/18/1985EP0164390A1 Integrated magnetic head, particularly for data storage units
12/18/1985EP0164356A1 Slanted pole head for magnetic recording
12/17/1985US4559573 Magneto-optical recording medium
12/17/1985US4559572 Magnetic head and method of fabricating same
12/17/1985US4559570 Magnetic storage system
12/17/1985US4559567 Apparatus for recording and/or reproducing video and audio signals
12/17/1985US4559501 Signal translating circuit
12/17/1985US4559265 Copolymer of vinyl chloride, a vinyl arboxy-late, an unsaturated carboxylic acid, and an unsaturated carboxylic anhydride
12/17/1985US4559118 Magnetic recording media
12/11/1985EP0164251A2 Barium ferrite particles for magnetic recording media
12/11/1985EP0164135A2 Magnetic recording medium
12/11/1985EP0164042A1 Process for making carriers for magnetograms
12/11/1985EP0163998A2 Multi-track magnetic thin film heads and a method of producing the same
12/11/1985EP0163862A1 Magnetic head with stray flux compensation
12/11/1985EP0163810A2 Optical information recording carrier
12/10/1985US4558388 Substrate and substrate holder
12/10/1985US4558386 Head cleaner for floppy disk drive
12/10/1985US4558385 Thin film magnetic head
12/10/1985US4558383 Information storage disk transducer position control system using a prerecorded servo pattern requiring no alignment with the storage disk
12/10/1985US4558382 Video signal reproducing apparatus
12/10/1985US4558381 High speed scanning arrangement for video tape recorder
12/10/1985US4558380 Digital tape transport for selectively recording in either a parallel or serial mode
12/10/1985US4558378 Method and apparatus for a magnetic recording/reproducing
12/10/1985US4558376 Method and system of reproduction of magnetically recorded video signals at speeds differing from recording speed
12/10/1985US4558095 Coating composition containing polymeric surfactant
12/10/1985US4557982 Biaxially oriented polyester substrate low expansion due to temperature or humidity
12/10/1985US4557948 Process for producing magnetic recording materials
12/10/1985US4557944 Process of manufacturing a magnetic recording medium
12/10/1985US4557813 Electron beam-cured polyurethane acrylate binder, magnetic tapes, disks, tensile strengh
12/10/1985US4557604 Floppy disk transmissivity meter
12/10/1985CA1197922A1 Recording disc
12/05/1985WO1985005522A1 Magnetic recording/reproducing apparatus
12/05/1985WO1985005484A1 Magnetic storage system
12/04/1985EP0163481A2 Disc drive control apparatus for recording and/or reproducing digital data
12/04/1985EP0163428A1 Rotary head type magnetic recording and/or reproducing apparatus
12/04/1985EP0163329A1 Drum-shaped scanning unit for a recording and/or reproducing apparatus and method for mounting a transformer disc of a two-part ring transformer
12/04/1985EP0163171A1 Apparatus for analyzing the interface between a recording disk and a read-write head
12/04/1985EP0162919A1 A disc type information storage and rerieval system
12/04/1985EP0162888A1 Head loading/unloading apparatus for magnetic disc systems
12/04/1985EP0162882A1 A magnetic information recording and/or reading head with increased wear-resistant properties and a method for manufacturing the same.
12/04/1985EP0059200B1 High density multitrack magnetic head and method of making same
12/03/1985US4556925 Magnetoresistive head
12/03/1985US4556924 Disk drive head accessing mechanism
12/03/1985US4556921 Method and apparatus to improve the positioning accuracy of a tracking arm
12/03/1985US4556920 Reproduction device
12/03/1985US4556917 Magnetic recording/reproducing apparatus for video and sound
12/03/1985US4556611 Magnetic recording medium
12/03/1985US4556604 Adding silicone oil and fluorinated graphite to lubricant to improve smooth-running and electromagnetic performance properties
12/03/1985US4556597 Ion doped servo pattern for magnetic recording disk
12/03/1985US4556435 Method for preparing cores and the like made from metallic oxides
11/1985
11/27/1985EP0162788A1 Thin oriented filled polyester films with slight roughness, manufacturing process and use of these films in the preparation of magnetic tapes
11/27/1985EP0162689A2 Magnetic disc reproducing apparatus
11/27/1985EP0162635A2 Signal simulator for magnetic recording head
11/27/1985EP0162614A2 Improved rotary actuator for a disc drive
11/27/1985EP0162407A1 Method and device for determining error signals in a disc drive and test magnetic disc therefor
11/27/1985EP0162349A2 A data recording medium
11/27/1985EP0037426B1 Magnetic transfer recording method
11/26/1985US4555740 Thin film transducer head for inductive recording and magnetoresistive reading
11/26/1985US4555739 Semi self-loading ferrite head
11/26/1985US4555738 Head adjusting disk
11/26/1985US4555449 Magnetic recording medium
11/26/1985US4555444 Stiff intermediate layer
11/26/1985US4555443 Magnetic recording medium
11/26/1985US4555431 Magnetic recording medium
11/26/1985US4554743 Universal head protrusion gauge for video recorders
11/26/1985CA1197116A1 Amorphous alloy for magnetic head
11/21/1985WO1985005213A1 Digital tape recorder
11/21/1985WO1985005210A1 Process and circuit for storing frequency-modulated signals
11/21/1985WO1985005209A1 Read/write head positioning apparatus
11/21/1985WO1985005101A1 Dielectric ceramic material
11/21/1985EP0161875A2 Perpendicular magnetic recording method & apparatus
11/21/1985EP0161767A2 Magnetic recording powder, method of manufacturing thereof and application thereof
11/21/1985EP0161536A2 Magnetic record carriers
11/21/1985EP0161496A1 Digital magnetic recording circuit
11/21/1985EP0119201A4 An improved automatic head position tracking servo for a rotary head magnetic tape recording and reproducing apparatus.
11/19/1985US4554606 Magnetic recording medium
11/19/1985US4554600 Track following code and track following system
11/19/1985US4554599 Cassette tape reproduction control arrangement
11/19/1985US4554595 Video signal recording/reproducing apparatus with crosstalk and tracking error elimination
11/19/1985US4554557 Thermomagnetic printer
11/19/1985US4554529 Method for converting binary data train
11/19/1985US4554220 Pentaerythritol esters
11/19/1985US4554217 Process for creating wear and corrosion resistant film for magnetic recording media
11/19/1985US4554089 Ferromagnetic particles with stable magnetic characteristics and method of preparing same
11/19/1985CA1197007A1 Transducer head indexing device and method
11/13/1985EP0161061A1 Herbical band drive for disc storage apparatus
11/13/1985EP0160956A2 Radiation-curable coatings containing reactive pigment dispersants
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