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)
11/1987
11/04/1987CN87200250U Superdynamic sound recording equipment
11/03/1987US4704650 Oriented sheet supports in a recording disc
11/03/1987US4704648 Laminated head cleaning disk
11/03/1987US4704647 Magnetic recording and reproducing system with a cleaning mechanism
11/03/1987US4704646 Twist preventing mechanism for leaf hinge spring in a magnetic head assembly
11/03/1987US4704645 Transport for tape cartridge with leader block
11/03/1987US4704640 Method and apparatus for recording PCM signal
11/03/1987US4704181 Apparatus for fabricating computer disks
11/03/1987US4704179 Process for producing magnetic discs
10/1987
10/29/1987DE3713321A1 Computer-plattenlaufwerksystem Computer disk drive system
10/28/1987EP0243164A2 Head positioning assembly
10/28/1987EP0242887A2 Buried servo recording system having dual transducers
10/28/1987EP0242861A2 Magnetic head
10/28/1987EP0242601A1 Cleaning cassette
10/28/1987EP0242597A2 Micro mechanical actuation of a transducer head on a slider
10/28/1987EP0242576A2 Restoring and clocking pulse width modulated data
10/28/1987EP0242459A1 Use of oligosaccharides for promoting the proliferation of bifidobacteria
10/28/1987EP0108152B1 Narrow-track composite digital magnetic head
10/28/1987CN87103212A Magnetic recording carrier
10/27/1987US4703470 Dynamic absorber device for use with disk drives
10/27/1987US4703383 Coil conductor structure in thin-film magnetic head
10/27/1987US4703382 Thin-film magnetic head for perpendicular (vertical) recording
10/27/1987US4703381 Magnetic head with a film coil
10/27/1987US4703380 Perpendicular magnetic head
10/27/1987US4703379 Hard disk drive with erasing apparatus
10/27/1987US4703378 Magnetic transducer head utilizing magnetoresistance effect
10/27/1987US4703377 Thermal compensation for disk drive carriage assembly
10/27/1987US4703376 Apparatus for loading and retracting magnetic head in a disk drive
10/27/1987US4703375 Low mass tricomplaint recording device for double sided floppy disk media
10/27/1987US4703371 Disk drive formatting
10/27/1987US4703370 Helical scan type magnetic tape reproducing apparatus with variable head-drum inclination capability
10/27/1987US4703311 Method and apparatus for transferring an information code onto the synchronization track of a video tape and a video tape produced according to said method
10/27/1987US4702959 Magnetic recording medium
10/27/1987US4702938 Process for producing magnetic recording material
10/27/1987US4702794 Production of thin film magnetic head
10/27/1987CA1228572A2 Sputtering device suitable for perpendicular recording medium
10/22/1987WO1987006417A1 System and method to improve picture quality during shuttling of video tapes
10/22/1987WO1987006385A1 Method for making a smooth surface on a substrate
10/22/1987DE3710798A1 Magnetic recording carrier
10/22/1987DE3613112A1 Device for measuring the magnetic properties of layers, which are applied by sputtering or vapour-deposition, during the machining process
10/22/1987DE3612265A1 Process for the magnetic pretreatment of a CoCr layer and use of this layer in a magnetic storage medium
10/21/1987EP0242166A2 Apparatus for transmitting digital signal
10/21/1987EP0242165A2 Biaxially stretched polyparaphenylene sulfide film or sheet and process for producing the same
10/21/1987EP0242091A2 Magnetic head positioning apparatus
10/21/1987EP0241868A2 Disk apparatus
10/21/1987EP0241770A1 A circuit for biasing a magnetoresistive sensor and amplifying signals produced thereby
10/21/1987EP0241515A1 Transducer positioning mechanism
10/21/1987CN87101975A Perpendicular magnetic storage medium
10/20/1987US4701823 Magnetic disc recording and reproducing device with damper and lock for head moving motor
10/20/1987US4701821 Helical scan tape recorder without head-tape contact in stand-by mode
10/20/1987US4701820 Slant gap thin-film head having first and second wedge-shaped structures
10/20/1987US4701819 Magnetic head to effect high density magnetic recording
10/20/1987US4701818 Means for indexing a rotary arm in small angular steps
10/20/1987US4701815 Tracking servo system for disc memory
10/20/1987US4701814 Message location calibration method and system
10/20/1987US4701813 Method of protecting a magnetic recording medium in a magnetic recording/playback system and apparatus therefor
10/20/1987US4701768 Thermo-magnetic recording device
10/20/1987US4701375 Magnetic recording medium
10/20/1987US4701374 Silicon-nitrogen-oxygen film; durability
10/20/1987US4701372 Magnetic recording medium
10/20/1987US4701371 Magnetic recording medium
10/20/1987US4701364 Metal powder layer; low hardness
10/20/1987CA1228420A1 Film type multi-layered magnetic recording medium and a method of manufacturing the medium
10/20/1987CA1228418A1 Disk file servo control system with fast reduction of repeatable head position error
10/20/1987CA1228417A2 System for playing back a programme recorded on a disc-shaped record carrier
10/14/1987EP0241371A1 Process for making a mechanical protection layer for a magnetic recording/reproducing head, and magnetic recording/reproducing head making use of this process
10/14/1987EP0241222A1 Opto-magnetic recording apparatus for sequentially driving optical head drive means and biasing magnetic field generation means
10/14/1987EP0241214A2 Video noise reduction circuits
10/14/1987EP0241155A1 Depositing vanadium underlayer for magnetic films
10/14/1987EP0241080A1 Magnetic recording medium and method of manufacturing the same
10/14/1987EP0240963A2 Magnetic recording medium
10/14/1987EP0240841A2 Mixed chromic oxide paste for chromium dioxide synthesis
10/14/1987EP0240745A2 Disk drive servo techniques
10/14/1987EP0240530A1 Particulate compositions of ferromagnetic metal oxalates in the form of submicronic needle shaped particles, preparation and application thereof.
10/14/1987EP0240529A1 Compositions of particulate magnetic oxides with a structure of the lacunar spinel type, preparation and application thereof.
10/13/1987US4700253 Slanted pole head for magnetic recording
10/13/1987US4700252 Magnetic thin film head
10/13/1987US4700251 Head carriage moving mechanism of disk recording reproducing device
10/13/1987US4700250 Structure for fixing floating type magnetic head to gimbal spring
10/13/1987US4700249 Magnetic transducer head capable of proper data transfer contact with a flexible magnetic disk without fine adjustment
10/13/1987US4700248 Magnetic head assembly with angled slots
10/13/1987US4700247 Loading/ejecting apparatus for floppy disc
10/13/1987US4700246 Disk drive with isolated voice coil motor magnet
10/13/1987US4700243 Power saving circuit arrangement for an apparatus for data transfer with flexible magnetic disk or the like
10/13/1987US4700242 Magnetic head switching circuit for magnetic recording and reproducing apparatus
10/13/1987US4700241 Apparatus for recording and reproducing digital signals
10/13/1987US4700239 Differential gain and differential phase compensator circuit of a video signal
10/13/1987US4700198 Process for recording information by irradiation of, an deposition on, a substrate
10/13/1987US4700095 Construction for installing a stepping motor of a floppy disk drive unit
10/13/1987US4699969 Fluorinated polymers and resins prepared therefrom
10/13/1987US4699847 Magnetic recording medium
10/13/1987US4699844 Vinyl chloride-vinyl alkanoate binder, urethane acrylate, compound having two(meth) acryloyl groups
10/13/1987US4699840 Hexagonal ferrite magnetic particles and acicular ferromagnetic particles; high-density
10/13/1987US4699835 Flexible magnetic disk and method of making same
10/13/1987US4699819 Magnetic recording medium
10/13/1987US4699817 Polyester-polyurethane blend binder; oleic acid lubricant; wear resistance
10/13/1987US4699771 Improved weather resistance
10/08/1987WO1987006048A1 Magnetically controlled scanning magnetic head tracking control system
10/08/1987DE3710477A1 Thin layer with vertical anisotropy of magnetization
10/07/1987EP0240290A2 Apparatus for use in cleaning a tape head
1 ... 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 ... 879