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)
03/2003
03/12/2003CN1402233A Method and apparatus for forming transparent layer on CD matrix, and CD matrix
03/12/2003CN1402232A Optic pick-up actuator driving method
03/12/2003CN1402231A Read-write head output power control method for CD machine
03/12/2003CN1402230A Optic pick-up and recording medium therefor
03/12/2003CN1402229A Optic pick-up
03/12/2003CN1402228A Device and method for determining disc type
03/12/2003CN1402227A Near field optical head driving device of superhigh compactness mother disc RW machine
03/12/2003CN1402226A Optical head actuator
03/12/2003CN1402225A Optic disk and method for recording and reproducing basic information of optic disk
03/12/2003CN1402222A Magnetic head with improved heat radiation property
03/12/2003CN1402022A Diffraction grating member
03/12/2003CN1401436A Disk mfg. device and method for mfg. transparent layer of disc
03/12/2003CN1103106C Record/reproducing machine for information data
03/12/2003CN1103100C Optical recording and reproducing device
03/12/2003CN1103099C Optical head device and disc reproducing apparatus
03/12/2003CN1103098C Disc detector and method
03/12/2003CN1103097C Apparatus for self-recording compact disk reproducing signal in video casette recorder/compact disk player complex system
03/12/2003CN1103096C Multi layered disk focusing method and apparatus
03/12/2003CN1102885C Method and apparatus for mfg. optical recording media
03/11/2003US6532334 Information reproducing system, information recording/reproducing system, and recording medium applicable to the system
03/11/2003US6532210 Disk-type recording medium having a crack hindering element
03/11/2003US6532209 Optical information recording medium and optical information recording and reproducing apparatus
03/11/2003US6532208 Optical recording medium having prepits deeper than grooves
03/11/2003US6532207 Optical reproducing method
03/11/2003US6532206 Information record medium with a record/reproduction area and a reproduction-dedicated area
03/11/2003US6532202 Optical element, optical head and optical recording reproducing apparatus
03/11/2003US6532201 Copy protection for optical discs
03/11/2003US6532200 Voltage supply adaptable to current highest voltage demand
03/11/2003US6532199 Optical actuator assembly with lens position sensor for recording or playback
03/11/2003US6532124 Information recording apparatus and method thereof
03/11/2003US6532118 Objective lens actuating device
03/11/2003US6532034 Optical disk, optical disk apparatus, and method for writing figures
03/11/2003US6531262 Methods and apparatus for rendering an optically encoded medium unreadable and tamper-resistant
03/11/2003US6531261 Prepared by the steps of coating a dye solution of a laser light-sensitive dye in a fluorinated cyclic alkane or alkene on a transparent substrate disc and drying the coated dye solution. The fluorinated cyclic alkane or alkene on
03/11/2003US6530766 Device for manufacturing information carriers by injection moulding
03/11/2003US6530637 Gradation reproduction method and gradation-reproduced image
03/06/2003WO2003019743A1 Semiconductor laser optical output control circuit and optical device
03/06/2003WO2003019559A1 Contact detection and calibration for electrostatic fly height control in a disc drive
03/06/2003WO2003019557A1 Recording apparatus for recording data on optically readable discs
03/06/2003WO2003019549A1 Optical recording medium
03/06/2003WO2003019548A1 Optical data support containing a phthalocyanine dye in the information layer as light-absorbing compound
03/06/2003WO2003019547A1 Object lens producing device and producing method
03/06/2003WO2003019545A1 Optical scanning device
03/06/2003WO2003019544A1 Method of adjusting inclination of guide shaft in recording medium drive device
03/06/2003WO2003019543A1 Method for recording on multi-layer phase-change optical discs
03/06/2003WO2003019542A1 Optical record carrier recording method and apparatus
03/06/2003WO2003019541A1 Optical storage medium and method of manufacturing same
03/06/2003WO2003018309A1 Method and apparatus for multilayer optical articles
03/06/2003WO2002082429A3 Systems and methods for optical media modification
03/06/2003US20030046245 Method and apparatus for encrypting and recording received content information on a recording medium using both medium identification information and a cipher key for encryption
03/06/2003US20030046037 Signal processing circuit outputting a signal representing the number of times an input signal rises in a predetermined period as a signal corresponding to a quality of the input signal
03/06/2003US20030044719 Utilizing a change in reflectivity during readout steps; recording layer preferably consisting of AgInSbTe alloy
03/06/2003US20030044691 Process and composition for rapid mass production of holographic recording article
03/06/2003US20030044577 Method and apparatus for multilayer optical articles
03/06/2003US20030044564 Storage medium for data with improved dimensional stability
03/06/2003US20030044559 Articles for optical recording media and method for securing the same
03/06/2003US20030044543 Solvent mixture comprising (A) 2-(trifluoromethyl)-2,3, 3-trifluoropropanol and (B) 2,2,3,4,4,4-hexafluorobutanol; ratio of (A)/(B) (by mass) is from 0.5/99.5 to 99.5/ 0.5.
03/06/2003US20030043939 Signal evaluation devices and signal evaluation methods, signal quality evaluation methods and reproducing devices and recording devices
03/06/2003US20030043827 LP method and apparatus for identifying route propagations
03/06/2003US20030043731 Variable thickness stamper for creation of flat molded substrates
03/06/2003US20030043730 Protecting film for optical recording medium and optical recording medium
03/06/2003US20030043729 Mechanism for limiting actuator assembley movement in a data storage/retrieval system
03/06/2003US20030043728 Structure for connecting a lens to a lens holder without using an adhesive
03/06/2003US20030043727 Eccentric CAM for limiting actuator tracking
03/06/2003US20030043726 Focus stop for limiting actuator assembly focus travel
03/06/2003US20030043725 Electromagnetically controlled drive system and method
03/06/2003US20030043724 Optical pickup apparatus having beam splitter on which hologram is formed and method of compensating for deviation between optical axes using the optical pickup apparatus
03/06/2003US20030043723 Optical data storage medium
03/06/2003US20030043722 Disk recording apparatus and disk recording method
03/06/2003US20030043718 Optical disk having wobble patterns
03/06/2003US20030043717 Method for aligning actuator assembly to a base in a miniature optical disk drive
03/06/2003US20030043716 Method of performing data-recording or data-reading with optical storage medium
03/06/2003US20030043715 Protection method for preventing optical disk drives from laser leakage
03/06/2003US20030043714 Optical disk device
03/06/2003US20030043713 Optical disc apparatus
03/06/2003US20030043712 Phase change optical recording medium
03/06/2003US20030043711 Optical disk apparatus
03/06/2003US20030043710 System and method for a high bandwidth servo system
03/06/2003US20030043709 Tracking method in an optical storage
03/06/2003US20030043708 Optical disk device
03/06/2003US20030043707 Optical pick-up actuator
03/06/2003US20030043706 Optical disk device, semiconductor integrated circuit, pickup control method and vibration component detection method
03/06/2003US20030043705 Detector input stray light offset calibration in an optical disk drive
03/06/2003US20030043704 Optical disc changer
03/06/2003US20030043703 Disk changer type disk player
03/06/2003US20030043702 Apparatus and method for ejecting/loading tray of optical disk player
03/06/2003US20030043701 Digital audio signal player having a simulated analogue record
03/06/2003US20030043700 Method for deciding the direction of pick-up head of disk driver while crossing tracks
03/06/2003US20030043491 Contact detection and calibration for electrostatic fly height control in a disc drive
03/06/2003US20030043475 Diffraction type lens and optical pickup apparatus using the same
03/06/2003US20030043472 Collimators and collimator arrays employing ellipsoidal solid immersion lenses
03/06/2003US20030043150 Method and apparatus for modifying page data
03/06/2003US20030042954 Digital wave generating apparatus
03/06/2003US20030042632 Plate-like body manufacturing method and apparatus controlling entry of air bubbles
03/06/2003US20030041954 Method for manufacturing a bonded optical disc
03/06/2003US20030041439 Device and method for mounting a spindle motor to a base in a miniature optical disk drive
03/06/2003DE20214552U1 IC engine automobile sound is recorded and played back to driver of some other type of road vehicle, such as electrical
03/06/2003CA2458638A1 Optical storage medium and method of manufacturing same
03/05/2003EP1289079A2 Method of fixing a laser diode to an optical base and optical pickup using the optical base
03/05/2003EP1288952A2 DVD-audio disk, and apparatus and method for playing the same
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