Patents
Patents for G11B 5 - Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor (87,826)
01/1986
01/29/1986EP0169228A1 Ptfe coating process
01/28/1986USRE32075 Data transducer position control system for rotating disk data storage equipment
01/28/1986US4567535 Recording and/or reproducing apparatus
01/28/1986US4567116 Oblique incidence deposition
01/28/1986US4567109 Magnetic recording media
01/28/1986US4567108 Magnetic recording media
01/28/1986US4567096 Hydrated alumina binder system
01/28/1986US4567083 Magnetic recording medium
01/28/1986US4567063 Low coefficients of friction, durablility
01/28/1986US4567057 Method of making magnetic recording medium
01/28/1986CA1199986A1 Constant bandwidth automatic gain control system
01/22/1986EP0169032A2 Cassette tape recording and reproducing apparatus
01/22/1986EP0168962A1 Magnetic recording medium
01/22/1986EP0168878A1 Magnetic-tape-cassette apparatus comprising a servo device
01/22/1986EP0168825A2 Magnetic alloy thin film
01/22/1986EP0168760A2 Process for producing magnetic-recording supports
01/22/1986EP0168699A2 Electro-optical servo transducer head
01/22/1986EP0168668A1 Flexible disk apparatus
01/22/1986EP0168660A2 Magnetic recording/reproducing apparatus
01/21/1986US4566050 Skew insensitive magnetic read head
01/21/1986US4566049 Transducer head indexing device and method
01/21/1986US4566046 Positioning apparatus for a magnetic head of a magnetic disk drive apparatus
01/21/1986US4566045 System for the reproduction of signals stored on a magnetic tape
01/21/1986US4565734 Magnetic recording medium
01/21/1986US4565726 Magnetic recording media having ferromagnetic and ferrite particles in the magnetic layer thereof
01/21/1986CA1199721A1 Cleaning cartridge assembly for a cassette cleaner
01/21/1986CA1199487A1 Process for the production of iron oxides epitaxially coated with iron oxides for magnetic recording
01/16/1986WO1986000457A1 Multitrack magnetic head
01/16/1986WO1986000456A1 Composite magnetic head device
01/15/1986EP0168269A1 Track following control for a rotating magnetic head
01/15/1986EP0168155A1 Method for testing components of a magnetic storage system
01/15/1986EP0167971A2 Magnetic recording apparatus
01/15/1986EP0167898A2 Data carrier with a sequential data track and method for producing the same
01/15/1986EP0167805A2 Capacitive sensing employing thin film inductors
01/15/1986EP0167804A1 Flexible disk drive with an apparatus to load and unload a flexible disk
01/15/1986EP0167570A1 Magnetic record medium and apparatus and method for tracking the same
01/14/1986US4564877 Magnetic recording/reproducing system with wide-gapped transducer and method for using same
01/14/1986US4564876 Rotary magnetic head device
01/14/1986US4564872 Magnetic head driving unit
01/14/1986US4564870 Signal detector of magnetic disk apparatus
01/14/1986US4564869 Zoned equalization for a magnetic disc
01/14/1986US4564585 Process for fabricating negative pressure sliders
01/14/1986US4564549 Magnetic recording media and process for fabricating the same
01/14/1986US4564435 Target assembly for sputtering magnetic material
01/14/1986US4564399 Cobalt-rhenium-hafnium-boron
01/14/1986CA1199410A1 On-the-fly multibyte error correcting system
01/14/1986CA1199234A1 Protective covering for magnetic recording medium
01/08/1986EP0167284A1 Method for testing components of a magnetic storage system
01/08/1986EP0167164A2 Ferromagnetic powder and method for producing the same
01/08/1986EP0167148A1 Tracking apparatus for rotary magnetic recording medium
01/08/1986EP0167147A2 Apparatus for playing back rotary magnetic recording medium
01/08/1986EP0166890A1 Thin-layer double-gap magnetic head for a perpendicularly magnetized recording medium
01/08/1986EP0166861A2 Method for recording a television signal
01/08/1986EP0166819A1 Positioning device for a magnetic-disc memory
01/08/1986EP0166818A1 Layer-built magnetic head for a recording medium to be perpendicularly magnetized
01/07/1986US4563716 Random access data storage system
01/07/1986US4563715 Head position control device
01/07/1986US4563714 Method and device for controlling the tracking
01/07/1986US4563713 Method and apparatus for positioning and indexing read/write on a multiple track recording medium
01/07/1986US4563712 Floppy disk drive apparatus
01/07/1986US4563710 Digital television tape recording
01/07/1986US4563653 Servo preamplifier and demodulator chain using transconductance balanced modulators
01/07/1986US4563397 Two-stage anodization
01/07/1986US4563396 Magnetic recording medium
01/07/1986US4563298 Water-soluble anionic surfactant as stabilizer
01/07/1986US4563225 Cobalt, nickel, hafnium, boron and optionlally silicon
01/07/1986CA1199108A1 Magnetic data storage and drive apparatus
01/03/1986WO1986000163A1 Magnetic tape apparatus
01/02/1986EP0166614A2 Encoated optical recording medium
01/02/1986EP0166461A2 Method for writing clock track for use with an embedded servo track following system
01/02/1986EP0166381A2 Data transfer apparatus for use with a magnetic disk cartridge
01/02/1986EP0166326A1 Blocking foil, in particular hot-blocking foil with a magnetic layer
01/02/1986EP0166250A1 Contact printing apparatus
01/02/1986EP0166210A2 Erasing method
01/02/1986EP0166031A1 Thin-layer magnetic recording and reading head for a perpendicularly magnetized recording medium
12/1985
12/31/1985US4562505 Flexible magnetic memory disk with metallic hub and method of manufacturing same
12/31/1985US4562503 Perpendicular magnetic recording head
12/31/1985US4562502 For reading out magnetically stored information
12/31/1985US4562501 Transducer support apparatus
12/31/1985US4562500 Mechanism for latching magnetic disk memory head/arm assembly in parking zone
12/31/1985US4562494 Disk drive alignment analyzer
12/31/1985US4562493 Magnetic video recording apparatus for intermittent recording
12/31/1985US4562491 Multichannel digital magnetic recording apparatus
12/31/1985US4562117 Magnetic recording medium and a process of fabricating such magnetic recording medium
12/31/1985US4562105 Ferrimagnetic oxides and magneto-optical recording medium employing the same
12/31/1985US4561988 Process for production of plate-like barium ferrite particles for magnetic recording
12/31/1985CA1198816A1 Cleaning apparatus for a cassette player
12/27/1985EP0165755A1 Disk drive storage system having means for compensating for seek driving forces coupled between head actuators
12/27/1985EP0165695A1 Spray coating moving tapes
12/27/1985EP0165650A2 Fluoropolyether compounds
12/27/1985EP0165649A2 Fluoropolyether compounds
12/27/1985EP0165536A2 Magnetic pigments mainly containing iron, process for their production and their use
12/27/1985EP0165431A1 Data transfer apparatus having a magnetic transducer head capable of proper data transfer contact with a flexible magnetic dick without fine adjustment
12/24/1985US4561034 Magnetic recording medium
12/24/1985US4561028 Apparatus and method for reading and writing data on a magnetic disc
12/24/1985US4560624 Magnetic recording media with a dual protective coating of silicon monoxide and chromium
12/24/1985US4560617 Magnetic recording medium
12/24/1985US4560616 Magnetic recording medium having binder cured by electron beam radiation
12/24/1985US4560544 Neutralizing and oxidizing a ferrous salt solution in the presence
12/24/1985US4560456 Binder is cured blend of acrylated polyurethane and copolymerizable compounds