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
03/25/2003US6537635 Pseudo-reflective read inhibitor for optical storage media
03/25/2003US6537423 Optical disk production device
03/25/2003US6536571 Split locking sprag
03/25/2003US6536265 Micro-textured glide sliders for super-smooth media
03/25/2003CA2320243C Substrate disk
03/20/2003WO2003023775A1 Method for manufacturing original disk for recording medium, and stamper manufacturing method
03/20/2003WO2003023773A1 Drug delivery technology
03/20/2003WO2003023772A1 Method of recording information on optical recording medium, information recording device and optical recording medium
03/20/2003WO2003023771A1 Method for recording information on optical recording medium, information recorder, and optical recording medium
03/20/2003WO2003023770A1 Error correction code circuits
03/20/2003WO2003023769A1 Information recording apparatus and information recording method
03/20/2003WO2003023704A1 Printed code recording and playing system for music, speech and sounds.
03/20/2003WO2003023519A1 Environmentally durable, self-sealing optical articles
03/20/2003US20030056187 Method and appartus for routing
03/20/2003US20030055637 Signal processing circuit for noise elimination and demodulator circuit using the same for accurate demodulation
03/20/2003US20030054361 Hybridization of polynucleotides conjugated with chromophores and fluorophores to generate donor-to-donor energy transfer system
03/20/2003US20030054291 Multilayer; radiation transparent substrate, recording media, reflective layer and protective coatings
03/20/2003US20030054128 Optical disc, recording apparatus and method for optical disc, and its reproducing method
03/20/2003US20030054098 Spin coating a polymer; hardening using ultraviolet radiation
03/20/2003US20030053742 Mirror angle detecting device, optical signal switching system, and optical signal switching method
03/20/2003US20030053407 Optical recording medium, manufacturing method of optical recording medium master disk, and cutting device used therefor
03/20/2003US20030053406 Recording medium and a recording system for the recording medium
03/20/2003US20030053405 Information recording carrier
03/20/2003US20030053404 A substrate having a tiny pattern of serial groove and land portions whose thickness is 0.05-0.4 mm and pitch based on a specific relationship of wavelength, groove/land pitch and numerical aperture of the lens; high-density; cross-erase
03/20/2003US20030053403 Optical disk
03/20/2003US20030053398 Optical pickup apparatus for reading and recording information on recording medium
03/20/2003US20030053397 Optical head apparatus including two light sources and one photodetector
03/20/2003US20030053396 Optical pickup apparatus for reading and recording information on recording media
03/20/2003US20030053395 Optical pickup head device, information recording/reproducing apparatus, and method for recording information
03/20/2003US20030053394 Compatible optical pickup and method of aligning optical axes therein
03/20/2003US20030053393 Optical head and 00optical disk device
03/20/2003US20030053392 Holographic optical element and optical pick-up device using the same
03/20/2003US20030053390 Optical disk and optical disk drive device
03/20/2003US20030053389 Optical disc apparatus
03/20/2003US20030053388 Method and apparatus for adjusting conditions for recording and reproducing informations
03/20/2003US20030053387 Apparatus and method of measuring vibration quantity and method of designing loop
03/20/2003US20030053386 Optical disk device
03/20/2003US20030053385 Frequency demodulating circuit, optical disk apparatus thereof and preformating device
03/20/2003US20030053384 Signal processing circuit and method for extracting superimposed signal with accuracy
03/20/2003US20030053383 Optical disk apparatus and focus control method thereof
03/20/2003US20030053382 Optical disk reproducing device
03/20/2003US20030053381 Driving apparatus and driving method for actuator, and information recording / reproducing apparatus
03/20/2003US20030053343 Information recording medium and recording reproducing method thereof
03/20/2003US20030053243 Positioning control apparatus and method capable of reducing relative position error without increasing gain and frequency band of transfer characteristics of control system
03/20/2003US20030053223 Objective lens for optical pick-up
03/20/2003US20030053211 Optical device
03/20/2003US20030052370 Semiconductor laser driving circuit and semiconductor laser driving method therefor
03/20/2003US20030052311 Two-photon absorption composition
03/20/2003US20030052250 High-frequency current generating circuit and control device for controlling light intensity of laser diode
03/20/2003US20030051822 Manufacturing method and apparatus for optical disc
03/20/2003DE10151853C1 Optical data storage medium, preferably polycarbonate compact disc or digital versatile disc, comprises a radiation-cured acrylate coating containing colloidal metal oxide and hydrolyzed alkoxysilyl acrylate
03/19/2003EP1293976A2 Information recording scheme for preventing recording failure resulting from impact or vibration
03/19/2003EP1293975A2 Method and apparatus for the manufacture of optical recording media
03/19/2003EP1293974A1 Optical information recording medium
03/19/2003EP1293973A2 Optical pickup device with a plurality of laser couplers
03/19/2003EP1293972A2 Method for detecting servo error, tracking error and tilt error, and apparatus therefore
03/19/2003EP1293971A2 Information recording medium, information reading apparatus and information recording apparatus
03/19/2003EP1293970A2 Binarization device
03/19/2003EP1292944A1 Method for producing an optical data band
03/19/2003EP1292859A2 Data storage medium comprising colloidal metal and preparation process thereof
03/19/2003EP1292453A1 Methods of creating a tamper resistant informational article
03/19/2003EP0905202B1 Photostabilized cyanine dyes and optical recording medium
03/19/2003EP0867023B1 Device for the writing and/or reading of optical recording media of various structures
03/19/2003CN1404650A Amplifier circuit and method for reducing stray feedback
03/19/2003CN1404605A Optical scanning device and optical player comprising such a scanning device
03/19/2003CN1404604A Optical disc, recording apparatus and method for optical disc, and its reproducing method
03/19/2003CN1404510A Metal complex type squarylium compounds and optical recording media made by using the same
03/19/2003CN1404439A Device for vacuum compressing DVD substrates
03/19/2003CN1404193A 自动激光功率控制电路及其开关控制电路 Automatic laser power control circuit and the switch control circuit
03/19/2003CN1404063A Optical disk, reproducing equipment and reproducing method
03/19/2003CN1404061A Equipment and method for eliminating disturbance
03/19/2003CN1404058A EFM data decoding method for CD machine system
03/19/2003CN1404057A Digital universal disc random access memory disk recording medium and method of managing data
03/19/2003CN1404055A Disc medium, method and equipment for recording and reproducing information thereon
03/19/2003CN1404053A Method for ejecting/mounting tray of disk broadcaster and apparatus adapted for the same method
03/19/2003CN1404050A Method for producing plake type body and apparatus for controlling air bubble entering
03/19/2003CN1404049A CD with embedded chip
03/19/2003CN1404048A Recording device and method, reproducing device and method, and recording medium
03/19/2003CN1404047A 光学头 The optical head
03/19/2003CN1404046A Semiconductor laser drive circuit and semiconductor laser driving method
03/19/2003CN1404045A Determination of optical recording powder of optical information record unit
03/19/2003CN1404044A Determination of optimal rewriting power
03/19/2003CN1404043A Optical pick-up apparatus
03/19/2003CN1404042A Disk driving equipment and track switch control method
03/19/2003CN1404041A Laminated optical waveguide 3D data memory and its double-beam record and read-out method
03/19/2003CN1404040A 光记录介质以及光信息处理装置 Optical recording medium and an optical information processing apparatus
03/19/2003CN1404035A Disc recording apparatus and disc recording method
03/19/2003CN1103486C Reproducing apparatus for and method of optical disc capable of keeping permanent freshness of image content
03/18/2003US6535858 Optical disc copy management system
03/18/2003US6535477 Optical recording medium having groove and land tracks, and method of manufacturing the same
03/18/2003US6535474 Near field optical recording/reproducing device
03/18/2003US6535473 Optical heads manufacturable in wafer form
03/18/2003US6535472 Hologram recording apparatus and method therefor
03/18/2003US6535470 Method and apparatus for writing data in a disk drive
03/18/2003US6535469 Method and apparatus for determining the provenance of a data carrying disc
03/18/2003US6535468 Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus therefor
03/18/2003US6535466 Apparatus and method for accessing data tracks on an optical disk
03/18/2003US6535465 Integrated-disk drive having an intelligent electronic circuit mounted as part of the disk
03/18/2003US6535463 Method and apparatus for high density recording of data on a disk, and recording medium produced thereby
03/18/2003US6534636 Azo-metal complex dye and method for producing the same and its use for a high density optical disc recording medium
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