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)
10/1984
10/30/1984US4480282 Stabilized locating ring for a flexible disk
10/30/1984US4480281 System for mounting magnetic transducer means on opposite sides of a flexible rotating magnetic disc
10/30/1984US4480280 Rotary recording medium reproducing apparatus address search
10/30/1984US4480279 Magnetic disk memory track change servo
10/30/1984US4480277 Information processing system
10/30/1984US4480276 Apparatus for peak detection in magnetic recording
10/30/1984US4480275 Constant current biased head driver
10/30/1984US4480274 Record verify and optimize system
10/30/1984US4480273 Information recording device
10/30/1984US4480270 Audio/video signal recording method
10/30/1984US4480217 Automatic velocity calibrator for a velocity servo loop in a magnetic disk drive
10/30/1984US4480004 Magnetic recording medium
10/30/1984CA1177161A1 Non-abrasive magnetic head cleaning system
10/29/1984EP0115516A4 Water-based magnetic coating composition.
10/29/1984EP0108074A4 Magnetic head having highly saturable gap liner.
10/25/1984WO1984004195A1 Audio digital recording and playback system
10/24/1984EP0122792A2 Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made from the same
10/24/1984EP0122678A2 Apparatus for measuring the position of at least one magnetic head in a cassette tape recorder with respect to the tape transport path
10/24/1984EP0122660A1 Magnetic head having a thin strip of magnetoresistive material as a reading element
10/24/1984EP0122567A1 Magnetic recording tape
10/24/1984EP0122326A2 Method and apparatus for manufacturing security strips
10/23/1984US4479177 Servomechanisms
10/23/1984US4479158 Stationary magnetic head with a fluid operated tape lifter
10/23/1984US4479157 Mounting for a head drum of a helical scan recorder
10/23/1984US4479156 Magnetic disk recorder
10/23/1984US4479152 Adjustable equalizer
10/23/1984US4479146 Vertical code verifier
10/23/1984US4479090 Circuitry for measuring magnetic head flying characteristics
10/23/1984US4478908 Magnetic recording medium
10/23/1984US4478742 Preparation of a ferric acetate coated silica sol by selective anion exchange
10/23/1984US4477968 Method for using a machining sensor
10/17/1984EP0122030A1 A magnetic recording member and a manufacturing method for such a member
10/17/1984EP0121975A1 Thin-film electromagnetic read/write head structure
10/17/1984EP0121868A1 Endotoxin-detecting device
10/17/1984EP0121781A2 Process for manufacturing glasslike carbon material
10/17/1984EP0121590A2 Disk drive alignment analyzer
10/16/1984US4477853 Multitrack magnetic head
10/16/1984US4477852 Magneto-optical recording and reproducing system
10/16/1984US4477851 Magnetic data storage and drive apparatus
10/16/1984US4477849 Magnetic disc drive head alignment system
10/16/1984US4477794 Magnetoresistive element
10/16/1984US4477531 Magnetic storage medium
10/16/1984US4477520 Polyvinyl ethers impregnated with fluoropolyethers or silicones
10/16/1984US4477489 Method of making magnetic recording medium
10/16/1984US4477488 Method of manufacturing magnetic recording medium
10/16/1984CA1176369A1 Cleaning device
10/16/1984CA1176320A1 Signal wave control circuit
10/11/1984WO1984004008A1 Constant bandwidth automatic gain control system
10/11/1984WO1984003991A1 Thermomagnetic optical recording method
10/11/1984WO1984003985A1 Center supported actuator carriage assembly
10/11/1984WO1984003984A1 Magnetic head and method of manufacture thereof
10/10/1984EP0121384A1 Magnetic recording devices
10/10/1984EP0121145A1 System for detecting the position of a read-write head on a disk recording medium having data and servo sectors
10/10/1984EP0121097A2 Identification field scan apparatus in a multiple transducer data storage device
10/10/1984EP0121093A2 Process for manufacturing a material with perpendicular orientation for magnetic recording
10/10/1984EP0121057A1 Transducer suspension
10/10/1984EP0120990A2 Read-only magnetic recording media and process of making the same
10/10/1984EP0120951A1 Magnetic record/playback head positioning apparatus
10/10/1984EP0120919A1 System for mounting magnetic transducer means on opposite sides of a flexible rotating magnetic disc
10/09/1984US4476509 Thin film magnetic head and method of manufacturing the same
10/09/1984US4476508 Apparatus for recording flexible magnetic disks
10/09/1984US4476504 Data cartridge tape drive assembly
10/09/1984US4476503 Method for the recognition of an edge of a magnetic medium and a device for implementation of the method
10/09/1984US4476500 Tracking apparatus
10/09/1984US4476454 New magnetoresistive materials
10/09/1984US4476404 Flexible conductor for supplying current to a pivotally movable electrical element
10/09/1984US4476257 Magnetic coating composition of partially oxidized nitrocellulose and magnetic powder
10/09/1984US4476195 Magnetic recording medium and process for the production thereof
10/09/1984US4476177 Magnetic tape having a leader tape
10/09/1984US4476057 Process of producing peanut oil
10/09/1984US4476035 Vinylchoride-vinyl carboxylate-vinyl alcohol-unsaturated dicarboxylic acid interpolymer, polyurethane
10/09/1984US4475962 Annealing method for amorphous magnetic alloy
10/09/1984CA1175774A1 Anodized magnetic thin film aluminium disk with synthetic resin layer
10/03/1984EP0120518A1 Magnetic-tape-cassette apparatus and magnetic-head unit for use in such apparatus
10/03/1984EP0120413A1 Perpendicular magnetic-recording medium and method of manufacturing the same
10/03/1984EP0120256A2 Magnetic pigments free from dust, process for their production and their use
10/02/1984US4475153 Method and apparatus for automatic control of electronic equipment
10/02/1984US4475137 Magnetic transducer
10/02/1984US4475136 Device for positioning objects which have a low mass
10/02/1984US4475135 Magnetic head air bearing slider
10/02/1984US4475132 Interactive video disc systems
10/02/1984US4475129 Non-copiable videotape recording system
10/02/1984US4474848 Magnetic recording medium
10/02/1984US4474843 Durability, sensitivity, backing of inorganic power and organic binder
10/02/1984US4474832 Magnetic recording media
09/1984
09/27/1984WO1984003791A1 Video cassette play counting, storing and reading system
09/27/1984WO1984003788A1 Single magnetic pole type of composite magnetic head for perpendicular recording
09/26/1984EP0119869A2 Non-magnetic substrate material
09/26/1984EP0119749A2 Plated magnetic recording material and process for making same
09/26/1984EP0119619A1 Magnetic recording medium
09/26/1984EP0119594A1 Magnetic head device
09/26/1984EP0119302A2 Process of making a water-based chromium dioxide magnetic recording media
09/26/1984EP0119201A1 An improved automatic head position tracking servo for a rotary head magnetic tape recording and reproducing apparatus.
09/26/1984EP0119200A1 Video recording and reproducing apparatus for controlling the transport of the tape.
09/25/1984US4473898 Device and method for controlling a pickup arm of an automatic record player
09/25/1984US4473855 Magnetic transducer platforms with protective fairing
09/25/1984US4473854 Cassette tape recorder
09/25/1984US4473619 Magnetic audio recording tape and method of preparation thereof
09/25/1984US4473415 Method of manufacturing an amorphous magnetic alloy
09/19/1984EP0118969A1 Differential-permeability field-concentrating magnetic read/write head
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