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)
10/1998
10/20/1998US5824385 Optical disc and method for manufacturing the same
10/15/1998WO1998045841A1 Improved suspension design for a head gimbal assembly
10/15/1998WO1998045838A1 Optical recording medium
10/15/1998WO1998045246A1 Salicylic ester derivatives and process for producing the same
10/15/1998DE19715274A1 Read and write system for optical disc
10/15/1998DE19715051A1 Verfahren und Vorrichtung zum lagerichtigen Ausrichten von bedruckten Datenträgerplatten Method and device for positionally correct alignment of printed data carrier plates
10/15/1998CA2285558A1 Optical recording medium
10/14/1998EP0871173A2 Recording timing control circuit for optical disk driving device
10/14/1998EP0871171A2 Signal converting device and information recording apparatus employing the same
10/14/1998EP0871169A1 Pre-pit detecting device and information recording apparatus employing the same
10/14/1998EP0871164A2 Optical recording medium
10/14/1998EP0871163A2 Optical head with a diffractive lens
10/14/1998EP0871162A2 Phase change recording medium suitable for tracking servo control based on a differential phase detection tracking method
10/14/1998EP0871161A2 Recording medium driver
10/14/1998EP0871160A2 Device for writing to or reading from optical recording media
10/14/1998EP0858656A4 Injection molding of compact discs
10/14/1998CN1195857A Method for discriminating type of disc and digital versatile disc system adopting the same
10/14/1998CN1195849A High-speed data recording method for digital versatile disk-random access memory
10/14/1998CN1195847A Optical recording/pickup head compatible with compact disk-recordable (CD-R) and digital versatile disk (DVD) using polarization beam splitter
10/14/1998CN1195846A Optical pickup having compatibility with digital versatile disk and compact disk-recordable
10/14/1998CN1195845A Information record regenerative optical disc and forming method thereof
10/14/1998CN1195843A Track zero cross signal generation apparatus for optical disk system
10/13/1998US5822346 Semiconductor laser control circuit capable of setting all output power levels of a semiconductor laser by means of setting only one level
10/13/1998US5822295 Optical head device to maximize the effective diameter of an objective lens
10/13/1998US5822294 Optical recording medium having a specified range of pit widths and pit depths
10/13/1998US5822293 Magnetooptical recording/reproducing apparatus
10/13/1998US5822292 Multi beam track system and method for an optical memory
10/13/1998US5822289 For use in processing data read from a rotating disc
10/13/1998US5822287 Optical recording method, optical recording apparatus and optical recording medium
10/13/1998US5822286 Optical disk unit, control method thereof, optical information recording medium and recording-regenerating method using this optical information recording medium
10/13/1998US5822283 Method for enhancing data access of CD-ROM changer
10/13/1998US5822281 Disk apparatus and disk access method employing counterelectromotive voltage from second voice coil motor to control first voice coil motor
10/13/1998US5822263 System and method for precessing an optical path using cylindrical coordinates to access data locations in a holographic memory
10/13/1998US5822135 Lens device including a light controlling mechanism and an optical pickup apparatus using a lens device
10/13/1998US5822090 Utilization of ferroelectric domain screening for high capacity holographic memory
10/13/1998US5821885 Video decompression
10/13/1998US5821883 Data modulation apparatus and data modulation apparatus including means for adding constant data to the ends of input address data and recording data necessary for run-length limited (1,7) decoding
10/13/1998US5821346 Azo group links a substituted 3-hydroxypyridine nucleus to a phenyl nucleus; useful in optical recording elements
10/13/1998US5821029 Multilayer optical recording element with reflecting layer and metallized carbamoylazo dye with cyanine dye
10/13/1998US5820962 Comprising phthalocyanine dyes; excellent in recording sensitivity, light radiation resistance and durability
10/13/1998US5820961 Laminated optical discs
10/13/1998US5820898 Metal mold apparatus for molding an optical disk
10/13/1998US5820795 Manufacturing method of magneto-optical master disk
10/13/1998US5820794 Multi-layer optical recording medium manufacturing method
10/13/1998US5820793 Process for producing optical disk
10/08/1998WO1998044508A1 Method and apparatus for recording data of a digital versatile disc recorder
10/08/1998WO1998044497A1 Optical recording medium and method of its manufacture
10/08/1998WO1998044496A1 Method for writing on an optical storage medium
10/08/1998WO1998044495A1 Dual layer optical storage medium having partially reflecting layer comprising amorphous selenium
10/08/1998WO1998044494A1 System and method to compensate for data defects within a magneto-optical computer memory device
10/08/1998WO1998044493A1 Recording and reproducing method for optical information recording medium and optical information recording medium
10/08/1998WO1998044492A1 Description and reading method for disc-shaped optical storages
10/08/1998WO1998044453A1 Storage medium and manufacture thereof
10/08/1998WO1998034222A3 Scanning device for optical discs
10/08/1998DE3546773C2 Automatic optical disc player for digital audio recording
10/08/1998DE19713707A1 CD manufacturing method
10/08/1998DE19713577A1 Verfahren zum Beschreiben und Lesen von plattenförmigen, optischen Speichern A method for writing to and reading from disc-shaped, optical memories
10/08/1998CA2256359A1 Storage medium and manufacture thereof
10/07/1998EP0869502A2 Optical disk writing control device
10/07/1998EP0869498A1 Sled motor mounting structure and sliding feed mechanism provided with the sled motor mounting structure
10/07/1998EP0869497A2 Large-capacity recording medium and method and apparatus for recording data on a large-capacity recording medium
10/07/1998EP0869496A2 DVD disc, device and method for reproducing the same
10/07/1998EP0869493A2 Sliding feed mechanism having worm gear
10/07/1998EP0869491A2 Disc clamper and disc drive provided with the disc clamper
10/07/1998EP0869488A2 Bonded optical disk
10/07/1998EP0869487A2 Track jump controlling unit capable of correctly jumping light beam spot of photo pickup device from one of tracks to other one of tracks
10/07/1998EP0869486A2 Information recording/reproducing optical disk and method of forming the same
10/07/1998EP0869485A2 Optical data recording and reproducing apparatus and method and optical storage medium
10/07/1998EP0869484A2 CD encode device for optical disk drive
10/07/1998EP0868721A1 Optical recording medium based on fabry-perot principle
10/07/1998EP0868720A1 Dual layer optical medium having partially reflecting gold alloy layer
10/07/1998EP0835478A4 Solid state sound lamp
10/07/1998EP0727074A4 Data block format for software carrier and player therefor
10/07/1998CN1195418A Method and device for storing and retrieving information
10/07/1998CN1195416A Optical pickup
10/07/1998CN1195364A Ultraviolet-curing adhesive composition and its article
10/07/1998CN1195313A Mold for making disc substrate, process for producing mold and disc substrate
10/07/1998CN1195172A Information recording medium with light-emitting area, storage case with light-emitting area for information recording medium, and coating
10/07/1998CN1195171A Information recording medium for showing magnetic track oscillation information and information recording reproducer
10/07/1998CN1195170A DVD disc, device and method for reproducing same
10/07/1998CN1195166A Magneto-optic recording medium reproduction device , method of providing reproduction by the same, and magneto-optic recording medium therefor
10/07/1998CN1195165A Master disk exposure device using optical fiber
10/07/1998CN1195164A Optical head assembly having compatibility with digital versatile disk (DVD) and recordable compact disk (CD-R) for obtaining high-speed
10/07/1998CN1195163A Actuator for optical pick-up
10/07/1998CN1195162A Optical pickup device and optical disc device
10/07/1998CN1195122A Multiple channel acousto-optic modulators
10/06/1998US5819003 Multi-scene recording medium having data units of program information items recorded alternatingly and continuously thereon, and apparatus for reproducing data therefrom
10/06/1998US5818812 Optical recording medium and reproducing method for the same
10/06/1998US5818811 Information recording and reproducing method for recording information on and reproducing information from an optical recording medium including a land portion divided into a plurality of information tracks
10/06/1998US5818810 Image reader system
10/06/1998US5818809 Optical system for recording and/or reproducing an optical information recording medium
10/06/1998US5818808 Optical recording process and optical recording system
10/06/1998US5818807 Optical medium having a test recording area and method for recording test data thereon
10/06/1998US5818806 Method and apparatus for providing equalization for the reading of marks on optical data storage media
10/06/1998US5818805 Reproducing apparatus using an information recording medium wherein multi-bit digital information is represented by a shift amount of a pit edge
10/06/1998US5818804 Defect detecting circuit and reproducing apparatus having the defect detecting circuit
10/06/1998US5818801 Shockproof optical reproduction device
10/06/1998US5818666 Linear drive motor apparatus for adjusting the relative position between and second yokes of a pair of magnetic circuits
10/06/1998US5818643 Optical objective lens system with variable disk thickness feature
10/06/1998US5818184 Sled motor sliding prevention circuit
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