Patents
Patents for G11B 9 - Recording or reproducing using a method or means not covered by one of the main groups; Record carriers therefor (3,522)
01/1987
01/27/1987US4639906 Magnetic recording on tracking controlled grooveless medium having magnetic and capacitance properties
01/20/1987US4638374 Defect detecting apparatus for a rotary recording medium
01/06/1987US4634847 Capacitive data carrier reader
12/1986
12/30/1986US4633329 Information signal recording medium and reproducing apparatus therefor
12/23/1986US4631717 Graft polymer of vinyl chloride and ethylene-vinyl acetate compolymer with conductive material and fatty acid ester lubricant
12/23/1986US4631704 Methods and devices for charged beam accessible data storage
12/16/1986US4630251 Video disc reproducing apparatus
12/02/1986US4626930 Rotary recording medium having different video signals recorded on mutually adjacent tracks and reproducing apparatus therefor
11/1986
11/04/1986US4621007 Vinyl chloride non-conductive resin core; conductive vinyl chloride resincarbon black surface layer; video disks
10/1986
10/29/1986EP0199575A2 A vacuum system for a charged particle beam recording system
10/07/1986US4616237 Data storage medium
09/1986
09/23/1986US4613967 Disc player
09/23/1986US4613519 Generating defects in chargecollection device
08/1986
08/13/1986EP0190349A1 Apparatus for recording data
07/1986
07/29/1986US4603411 Periodical signal detection circuit within a variable window length
07/09/1986EP0186813A2 Method for information read-out from electrically polarizable record carriers by means of electron beams
06/1986
06/25/1986EP0185097A1 Method of manufacturing stamper
06/24/1986CA1206676A1 Polymerizable composition for information carrying systems
06/17/1986US4596009 Information signal regenerating stylus and manufacturing method thereof
06/10/1986CN85104646A 相可变材料 Phase variable material
06/03/1986US4593306 Information storage medium and method of recording and retrieving information thereon
06/03/1986US4592862 Conductive resin composition and information record
05/1986
05/28/1986EP0182153A2 Data storage device using phase changeable material
05/27/1986US4592041 Head for recording an information signal in and reproducing the same from a semiconductor recording medium
05/27/1986US4592035 Information signal track search system in a rotary recording medium reproducing apparatus
05/21/1986EP0181753A2 High density information record medium
05/13/1986US4588369 Apparatus for removal of a data carrier disk after molding
03/1986
03/19/1986EP0174864A2 High density information record medium using carbon black particles surface-treated with silicone oil
03/19/1986EP0174860A2 Information recording and readout
03/18/1986US4577238 Circuit for reducing intermodulation distortion in a frequency-modulated signal
03/18/1986US4576895 Metal energy absorber; silica, metal oxide or carbon fluoride matrix
03/18/1986CA1202122A1 Method for making a stamping master for video disc replication
03/11/1986US4575838 Information disks, polypyrrole
03/11/1986US4575834 Method of improving the signal-to-noise ratio in a capacitance electronic disc system
03/11/1986US4575822 Method and means for data storage using tunnel current data readout
02/1986
02/11/1986CA1200446A1 Disc coating method
01/1986
01/28/1986US4567530 Read-out devices of electric charge distributions on dielectric surfaces
01/28/1986US4566937 Electron beam enhanced surface modification for making highly resolved structures
01/15/1986EP0167805A2 Capacitive sensing employing thin film inductors
01/07/1986US4563761 Resonator assembly having direct current component bypass means for use in a video disk player
01/02/1986EP0166119A1 Method for depositing material with nanometer dimensions
12/1985
12/27/1985EP0165804A1 Stamper for replicating high-density data recording disks and process for producing the same
12/27/1985EP0165440A2 Method and structure for optical recording
12/24/1985US4561087 Conductive video disc
12/19/1985WO1985005721A1 Method of manufacturing stamper
12/11/1985EP0164275A2 Information signal recording medium
12/10/1985US4558442 Detector circuit for capacitance disc records
12/10/1985US4557886 Compression molding powder of vinyl chloride polymer, carbon black
12/10/1985US4557885 Method of producing capacitive electronic discs
12/05/1985WO1985005485A1 Apparatus for recording data
12/03/1985US4556597 Ion doped servo pattern for magnetic recording disk
12/03/1985CA1197358A1 Method for removal of a data carrier disk after molding and a device for the application of said method
11/1985
11/19/1985US4554597 Write-in and read-out control apparatus
11/19/1985CA1197006A1 Process for obtaining a copy disk from an original recording carried by a matrix
10/1985
10/29/1985US4550347 Method for recording information on a recording disc
10/23/1985EP0158804A1 Apparatus for information recording and reproducing
10/22/1985US4548777 Method of manufacturing information storage mediums
10/22/1985US4548739 High density information records made of conductive resin compositions comprising a specifically-treated vinyl chloride-base resin
10/16/1985EP0158079A2 Capacitive data carrier reader
10/15/1985US4547545 Substrate containing thermoplastic resin, conductive material, andlubricant
10/08/1985US4546461 Method for recording information on a recording disc
10/02/1985EP0156203A1 Conductive resin composition and information record
09/1985
09/24/1985US4543617 Recording apparatus
09/17/1985US4542493 Oxidation resistant soldering material
09/10/1985US4540615 Capacitance, tetraphenylsiloxane
09/03/1985US4539089 Desorption of atoms from tip to substrate under strong electric field
09/03/1985US4539079 Controlled radial thickness distribution
08/1985
08/28/1985EP0152535A2 Method and apparatus for encoding an information storage medium with audio test signals
08/27/1985US4538254 Pickup device
08/27/1985US4538252 Donor molecule changes dielectric constant when irradiated
08/21/1985EP0151736A2 High density information records made of conductive resin compositions comprising inorganic powder stabilizers
08/13/1985US4535436 Stylus having a graphite electrode
08/13/1985US4535435 Capacitance detector for video disk
08/13/1985US4534136 Information signal regenerating stylus and manufacturing method thereof
08/06/1985US4534016 Beam addressed memory system
07/1985
07/30/1985US4532621 Device and method for recording information on a disk
07/30/1985US4532074 Capacitance electronic disc molding composition
07/10/1985EP0148036A2 Electrostatic capacitance type information signal recording medium and manufacturing method thereof
07/09/1985US4528655 Apparatus for detecting variation of electrostatic capacitance
06/1985
06/25/1985US4525822 Optical data recordation and reproduction system
06/25/1985US4525402 High-density information disc lubricants
06/19/1985EP0144901A2 High density information records of an electrostatic capacitance type
06/11/1985US4522747 Solid phthalate as plasticizer
06/11/1985CA1188802A1 Method of information recording on a semiconductor wafer
06/05/1985EP0143470A2 Information recording medium
05/1985
05/28/1985US4520473 Signal pickup device in a rotary recording medium reproducing apparatus
05/21/1985US4519062 Signal pickup device
05/21/1985US4519004 Extended play videodisc
05/14/1985US4517117 Conductive molding compositions for high density capacitance electronic disks
05/07/1985US4516232 Video disc player with compensation for stylus holder mechanical resonance
05/07/1985US4515830 Solvent-cast capacitive high density information disc
05/07/1985CA1186570A1 Method for forming video discs
04/1985
04/23/1985US4513410 Pickup cartridge having stylus holder
04/23/1985US4512916 Video disc molding composition
04/16/1985CA1185648A1 System and film gate for accurately imaging information on a film by a charged particle beam
04/10/1985EP0136346A1 Information storage medium and method of recording and retrieving information thereon
04/09/1985US4510593 Information disk of grooved, metal-coated crosslinked polymeric layer
04/09/1985US4510532 Rotary recording medium reproducing apparatus
03/1985
03/27/1985EP0135020A1 Magnetic recording disks
03/26/1985US4507180 Method of electrodepositing a homogeneously thick metal layer, metal layer thus obtained and the use of the metal layer thus obtained, device for carrying out the method and resulting matrix
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