Patents
Patents for G11B 7 - Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor (102,715)
07/1996
07/02/1996US5532129 Self-organizing molecular photonic structures based on chromophore- and fluorophore-containing polynucleotides and methods of their use
07/02/1996US5532033 Optical information recording medium
07/02/1996US5532032 Phthalocyanine dye
06/1996
06/27/1996WO1996019807A2 Multilayer record carrier and device for scanning said carrier
06/27/1996WO1996019480A1 Substituted phthalocyanines
06/27/1996DE19547737A1 Disk drive for reproducing information stored on disk
06/27/1996DE19546951A1 Replay circuit for optical disk recording and replay equipment
06/26/1996EP0718845A2 A recording medium having a first management area for managing a first attribute and a second management area for managing a second attribute of a program recorded in recording area and a reproducing apparatus for reproducing the recording medium
06/26/1996EP0718838A2 Security check method for a game device
06/26/1996EP0718834A2 Optical data carrier and reading apparatus for such a data carrier
06/26/1996EP0718833A1 Optical pickup device
06/26/1996EP0718832A1 Reproduction of optical discs
06/26/1996EP0718831A2 Recording and reproducing method of optical information recording medium
06/26/1996EP0718830A1 Method of and apparatus for optical recording and reproducing of information
06/26/1996EP0718795A1 Optically machine readable data carrier
06/26/1996EP0718384A2 Screen-printable ink-receptive compositions
06/26/1996EP0718367A2 Stabilized polycarbonates
06/26/1996EP0718048A1 Spin process for highly conformal coatings
06/26/1996EP0717740A1 Photochromic compounds, methods and intermediates for producing them and their use
06/26/1996EP0717679A1 Optical data recordal
06/26/1996CN1125347A Objective lens driving apparatus and method for manufacture thereof
06/26/1996CN1032175C Non-contact-guidable magnetic floating device
06/25/1996US5530689 Optical pickup
06/25/1996US5530688 Optical disk recording device using two modulated laser beams for recording information data
06/25/1996US5530687 Disk-type recording medium drive and method of self-diagnosing disk-type recording medium drive
06/25/1996US5530686 Record carrier having a track including audio information and additional non-audio information, and apparatus for reading and/or reproducing certain of the information included in such a track
06/25/1996US5530641 Optical recording medium having grooves and lands and/or plural pit lines, and reproducing apparatus therefor
06/25/1996US5529864 Optical recording medium having mask layer
06/25/1996US5529861 Method for enhancing the utility of a photopolymer recording media for holographic data recording
06/25/1996US5528922 Method of making disk bumps with laser pulses for calibrating PZT sliders
06/25/1996CA2074708C Optical recording medium driving apparatus
06/25/1996CA2023338C Optical disk device eliminating offset of actuator and offset eliminating method used thereby
06/24/1996CA2139059A1 Distributed digital servo for optical information storage media
06/20/1996WO1996018921A1 Method of preparing photochromic article
06/20/1996WO1996018755A1 Cross flow metalizing of compact discs
06/20/1996DE4445012A1 Electronic game with vibration-protective memory control
06/20/1996DE4444988A1 Recording medium for storage of optically-readable digital data
06/20/1996CA2214973A1 Cross flow metalizing of compact discs
06/19/1996EP0717408A1 Vibration-resistant reproducing apparatus
06/19/1996EP0717407A1 Vibration-resistant reproducing apparatus with improved synchronisation
06/19/1996EP0717406A1 Vibration-resistant reproducing apparatus
06/19/1996EP0717404A1 Sputtering target, method of producing the target, optical recording medium fabricated by using the sputtering target, and method of fabricating the optical recording medium
06/19/1996EP0717403A1 Heterocyclylazoaniline dyes, heterocyclylazoaniline dye metal complexes and their use in optical elements
06/19/1996EP0717402A2 Optical recording elements having recording layers containing cationic azo dyes
06/19/1996EP0717401A1 Apparatus and method for reproducing data from multilayered disks
06/19/1996EP0717400A1 Disk reproducing apparatus
06/19/1996EP0717399A2 Head tracking system in a disk drive
06/19/1996EP0717398A2 Information recording medium and information reproduction system
06/19/1996EP0717393A1 Method of adjusting position of a member using shape memory materials
06/19/1996EP0716902A1 A device for processing objects
06/19/1996CN1124867A Optical-pick up device using multi-lens holder
06/18/1996US5528577 Apparatus and method for reading at least partially unmetallized optical discs
06/18/1996US5528576 Optical head including a halfwave plate and a monaxial crystal for splitting a light beam into two orthogonal, polarized light beams
06/18/1996US5528574 Disk reproducing apparatus capable of increasing speed of access to disks recorded at constant linear velocity
06/18/1996US5528572 Audio signal recording apparatus with an index number signal generating function
06/18/1996US5528571 For reproducing information signals
06/18/1996US5528570 Apparatus for recording and reproducing data on a magneto-optical disc at a data transfer rate which is the same as that of data reproduced from a compact disc
06/18/1996US5528569 Recording medium and a method and apparatus for recording and reproducing digital data in data clusters and cluster linking sectors on the recording medium
06/18/1996US5528568 Device for detecting traveling speed of pickup
06/18/1996US5527661 Reproducing data with high density using laser beam
06/18/1996US5527594 Heat resistance, durability; optical recording media
06/18/1996US5527497 Process and apparatus for manufacturing substrate sheet for optical recording mediums, and process for preparing stamper
06/18/1996CA2138436C Optical pickup
06/18/1996CA2084324C Optical pickup apparatus and a hologram element used for same
06/17/1996CA2164929A1 Apparatus and method for reproducing data from multi-layered disk
06/13/1996WO1996018190A1 Optical pickup driving device for optical disk
06/13/1996WO1996018166A2 Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit
06/12/1996EP0716417A2 Information processing apparatus provided with mechanism for controlling position of probe
06/12/1996EP0716416A1 Optical disc with metallic reflective layer
06/12/1996EP0716415A2 Method of recording data on a rewritable optical disk and apparatus of recording and reproducing the same
06/12/1996EP0715939A2 Disk injection molding device having dog-clutch opening guide means
06/12/1996EP0503095B1 Magneto-optical disk drive seek control system
06/12/1996CN1124393A Optical pickup device
06/12/1996CN1124392A Optical pickup apparatus and optical disc apparatus using the same
06/11/1996US5526341 Test disk having defect patterns uniformly distributed in recording areas
06/11/1996US5526340 Electromagnetic objective lens driving apparatus including directly formed circuit pattern
06/11/1996US5526339 Disk reproduction apparatus capable of continuously varying a reproduction speed
06/11/1996US5526338 Method and apparatus for storage and retrieval with multilayer optical disks
06/11/1996US5526337 Holographic storage media package
06/11/1996US5526336 Optical pickup for optical disk having multiple recording layers
06/11/1996US5526335 Information reproducing method comprising the step of preparing a defect bit map and a defect index table
06/11/1996US5526333 Optical disk recording device
06/11/1996US5526332 Reference clock generator for sampled servo type disk unit and disk unit
06/11/1996US5526331 Method for recording additional information on an optical disc
06/11/1996US5526330 Optical head assembly for optical information player
06/11/1996US5526329 Calibration of readback threshold in an optical storage device to determine a blank sector
06/11/1996US5526328 Recording and reproducing apparatus with varying amounts of data in different tracks
06/11/1996US5526182 Multiple beam optical memory system
06/11/1996US5526144 Optical system with pivoting hologram
06/11/1996US5526075 Apparatus for reading analog sound tracks on film with circuit for averaging sound track boundaries to reduce the effect of noise
06/11/1996US5525417 Dual purpose cleaning card
06/11/1996US5525379 Forming inorganic dielectric film using helicon wave plasma chemical vapor deposition
06/11/1996US5525265 Contain covalently bonded infrared dyes
06/06/1996WO1996017344A1 Optical recording medium
06/05/1996EP0715315A2 Light collector for photostimulable phosphor imaging systems
06/05/1996EP0715306A1 Signal processing and reproduction
06/05/1996EP0715305A2 Method for recording sector control information on magneto-optical disk
06/05/1996EP0715304A2 Method and recording sector control information on magneto-optical disk
06/05/1996EP0715303A2 Optical recording medium, disc system and apparatus
06/05/1996EP0715302A1 Device for contactless optical playback of information during recording on or reproduction from a record carrier with recording tracks