Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › 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
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)
03/1998
03/10/1998US5726968 Electro-optical scanning device, hinge element for use in the scanning device, and optical player comprising the scanning device
03/10/1998US5726966 Optical recording medium reproducing apparatus using edge detecting technique
03/10/1998US5726965 Intersymbol interference detection in an optical recording system using a reflected write signal
03/10/1998US5726963 Information reproduction apparatus including a phase compensation circuit for eliminating the influence of AC-coupling
03/10/1998US5726962 Compact optical pickup device with beam splitter
03/10/1998US5726961 Optical pickup control system for optical discs having different reflectivities
03/10/1998US5726959 Method for searching a track of a compact disk drive
03/10/1998US5726958 Spindle motor gain control method for CD-ROM drives and apparatus therefor
03/10/1998US5726955 Magneto optical recording medium apparatus and method utilizing light pulse magnetic modulation recording
03/10/1998US5726954 Optical recording method and apparatus
03/10/1998US5726813 Optical apparatus with replacement semiconductor laser
03/10/1998US5726756 Exposure apparatus with thickness and defect detection
03/10/1998US5726436 Apparatus and method for compensating coma aberration
03/10/1998US5726228 Use of carbonates as demoulding agents for thermoplastic polycarbonates
03/10/1998US5725934 Mountable disc display device
03/10/1998US5725741 Method of forming recordable optical element using low absorption materials
03/10/1998US5725625 Method of manufacturing a magnetic recording disk using glass substrate
03/05/1998WO1998009392A2 System and method of using optical fibers in a data storage and retrieval system
03/05/1998WO1998009290A1 Playback control in digital video disc players
03/05/1998WO1998009289A1 Optical head using micro-machined elements
03/05/1998WO1998009288A1 Offset optics for use with optical heads
03/05/1998WO1998009287A1 Data storage system having an optical flying head
03/05/1998WO1998009286A1 Optical system and method using optical fibers for storage and retrieval of information
03/05/1998WO1998009285A1 Magneto-optical data storage system with high capacity
03/05/1998WO1998009284A1 Flying optical head with dynamic mirror
03/05/1998WO1998009282A1 Method of copying a recording stamper
03/05/1998WO1998009281A1 Locating device
03/05/1998WO1998009280A1 Single-frequency laser source for optical data storage system
03/05/1998WO1998009279A1 Data storage system having an improved surface micro-machined mirror
03/05/1998WO1998009278A1 Method and apparatus for coupling an optical lens to a disk through a coupling medium having a relatively high index of refraction
03/05/1998WO1998009277A1 A device for recording information on a disc-shaped substrate by means of a laser beam
03/05/1998WO1998009192A1 Electrooptically controlled lense
03/04/1998EP0827145A2 Disc drive system having improved cartridge loading apparatus including direct drive gear train and methods for making and operating same
03/04/1998EP0827141A2 Laser control circuit in recordable optical disk drive
03/04/1998EP0827140A2 Apparatus and method for optical pick-up
03/04/1998EP0827139A2 Disk type recording medium and disk recording and reproducing device
03/04/1998EP0827138A2 Method for generating a wobble signal in a cd-r drive
03/04/1998EP0708961B1 G-factor alignment
03/04/1998EP0621236B1 Carbon fluoride particles, process for producing the same, and use thereof
03/04/1998CN1175058A 光学记录介质 The optical recording medium
03/04/1998CN1175057A Multi-layer disc reproducing device and device for reproducing information recording
03/04/1998CN1037634C Aquiring best focus using focus signal offset
03/03/1998US5724472 Content map for seamlessly skipping a retrieval of a segment of a video
03/03/1998US5724463 Projection display with electrically controlled waveguide-routing
03/03/1998US5724364 Binarization circuit
03/03/1998US5724339 Optical recording medium having recording pits of different shapes
03/03/1998US5724338 Rewritable disk-shaped optical recording medium
03/03/1998US5724337 Optical pickup with a compact design
03/03/1998US5724335 Objective lens for recording and reproducing for use in an optical information recording medium
03/03/1998US5724334 Optical head device utilizing super-resolution technique
03/03/1998US5724331 Disk drive system having improved cartridge-loading apparatus including direct drive gear train and methods for making and operating same
03/03/1998US5724330 Information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edge, recording apparatus, reproducing apparatus, and recording and reproducing apparatus therefor
03/03/1998US5724328 Disk drive apparatus having improved initialization process
03/03/1998US5724327 Record carrier having first variations of a first physical parameter corresponding to information recorded thereon and second variations of a second physical parameter relating to recovery of the information
03/03/1998US5724326 Apparatus for generating track count pulse
03/03/1998US5724325 Method for reducing lead in time in an optical disk recording or reproducing apparatus capable of processing data for multiple types of disks
03/03/1998US5724324 Optical pickup actuator with an objective lens fixing part suspended by an elastic members
03/03/1998US5724197 Actuator which compensates for compact disk tilt error
03/03/1998US5724171 Optical scanning apparatus
03/03/1998US5723617 Pyrrolo 2,1-a!isoquinoline dyes
02/1998
02/26/1998WO1998008220A1 Process for bonding optical media
02/26/1998WO1998008219A1 Phase-controlled evanescent field systems and methods
02/26/1998WO1998003975A3 Method and apparatus for reading data from a disc carrier
02/26/1998DE4293957C2 Magneto=optical disk appts. capable of ultra-high density recording
02/26/1998DE19708541A1 Optical memory system with interchangeable medium
02/25/1998EP0825777A2 Code image data output apparatus and method
02/25/1998EP0825602A2 Information recording method and apparatus
02/25/1998EP0825601A2 Disk driving system and disk driving method
02/25/1998EP0825599A2 Cartridge loading apparatus with improved parking arm
02/25/1998EP0825598A2 Cartridge loading apparatus with improved base plate and cartridge receiver latch
02/25/1998EP0825596A2 Improved cartridge loading apparatus with tilting bias coil assembly
02/25/1998EP0825595A1 Optical data recording medium, method of producing the same and method of reproducing/erasing record
02/25/1998EP0825594A2 Objective lens driving device and optical disc apparatus using the same
02/25/1998EP0825593A1 Shock-resistant, electrostatically actuated pick-up for optical recording and playback
02/25/1998EP0825592A2 Method for reading read-only memory
02/25/1998EP0825591A2 Erasable digital video disk with reference clock track
02/25/1998EP0825590A2 Information recording medium adapted for use in land groove recording
02/25/1998EP0824754A1 Device for optically scanning a record carrier
02/25/1998EP0824753A1 Objective lens and scanning device using such an objective lens
02/25/1998EP0374256B1 Optical recording medium and method of manufacturing same
02/25/1998CN1174373A Optical pickup
02/25/1998CN1174371A Information recording method and apparatus
02/24/1998US5721856 Optical disk write method
02/24/1998US5721724 Optical disc containing data stored and linked together in a hierarchical file structure
02/24/1998US5721723 Objective lens driving device, data recording device, and data reproducing device, all having driver force selectively 120 tutine and positioning the objective lenses
02/24/1998US5721719 Recorded signal detection apparatus
02/24/1998US5721718 Apparatus and method for discriminating the type of optical disk mounted into an optical disk reproducing apparatus
02/24/1998US5721717 Optical disk apparatus capable of using a ROM compact disk or a magneto-optical disk
02/24/1998US5721629 Dual-focus forming method and apparatus thereof
02/24/1998US5721580 Laser diode driving apparatus in an optical information recording and reproducing apparatus
02/24/1998US5721386 Installation for inspecting compact discs
02/24/1998US5720994 Mold for molding discs to be laminated into double discs
02/24/1998US5720989 Mold for molding optical disk, having stamper holding member including mutually engaging inner and outer rings
02/24/1998US5720814 Photoresist coating apparatus
02/24/1998CA2002586C Autofocus system
02/19/1998WO1998007147A1 Magneto-optic recording system employing near field optics
02/19/1998WO1998007146A1 Method and device for controlling tracking of optical memory card
02/19/1998WO1998007060A1 Hybrid optical multi-axis beam steering apparatus
02/19/1998WO1998001853A3 Optical scanning device, and apparatus provided with such a device
02/18/1998EP0824256A2 Actuator which compensates for compact disk tilt error
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