| 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) |
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| 04/30/2002 | US6380771 Method of driving power circuit and circuit therefor |
| 04/30/2002 | US6380527 Method and apparatus for reading from and writing to a stationary optical storage device |
| 04/30/2002 | US6379864 Concentric or spiral grooves having interrupted portion and including track for recording information; reduced pitch; accurate address |
| 04/30/2002 | US6379850 Rewritable thermosensible recording material, a production method thereof and a rewritable thermosensible recording medium |
| 04/30/2002 | US6379768 Irradiating with laser beam |
| 04/30/2002 | US6379767 Reflection variations due to light intensity |
| 04/30/2002 | US6379224 Method of recovering optical disk substrate and optical disk substrate recovering apparatus |
| 04/25/2002 | WO2002033793A1 Current generating circuit and method |
| 04/25/2002 | WO2002033702A1 Optical recording medium and optical recording method |
| 04/25/2002 | WO2002033701A2 Medium for recording optically readable data, method for making same and optical system reproducing said data |
| 04/25/2002 | WO2002033700A2 Objective lens, coupling lens, light converging optical system, and optical pick-up apparatus |
| 04/25/2002 | WO2002033699A1 Optical disk medium and signal reproduction method |
| 04/25/2002 | WO2002033555A1 Information processing device and information processing method, maintenance information management system, and recorded medium |
| 04/25/2002 | WO2001093265A3 Secure digital video disk and player |
| 04/25/2002 | WO2001082301A3 Power management for optical drives |
| 04/25/2002 | WO2001078073A3 System and method for aligning components of optical head |
| 04/25/2002 | US20020049937 Recording medium having spare area for defect management and information on defect management, and method of allocating spare area and method of managing defects |
| 04/25/2002 | US20020049678 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 |
| 04/25/2002 | US20020048962 Method for manufacturing a functional device by forming 45-degree-surface on (100) silicon |
| 04/25/2002 | US20020048833 Manufacturing method and manufacturing device of microstructure |
| 04/25/2002 | US20020048691 Plastic film over substrate so substrate can be reinforced to increase stiffness without adversely effecting surface integrity and smoothness |
| 04/25/2002 | US20020048647 Synthetic resin substrate provided with readable information in a layer; moisture-proof layer arranged between synthetic resin substrate and a second synthetic resin layer. |
| 04/25/2002 | US20020048646 Containing at least one organic dye; substrate has a wobble with a period length PL in the range of 4T to 96T. |
| 04/25/2002 | US20020048645 Regenerating with a higher density |
| 04/25/2002 | US20020048256 Optical disc and method and apparatus for the preparation of the optical disc |
| 04/25/2002 | US20020048254 Optical storage element |
| 04/25/2002 | US20020048253 Position device capable of adjusting inclining angle thereof |
| 04/25/2002 | US20020048252 Magnetic device |
| 04/25/2002 | US20020048251 Prepit detection unit |
| 04/25/2002 | US20020048250 Optical head having two semiconductor lasers of different wavelength, an objective lens focusing laser beams on different thickness sustrates, and an annular phase shifter decreasing focused laser beam spot aberration |
| 04/25/2002 | US20020048249 Optical pickup apparatus restricting aberration and optical disc apparatus using the same |
| 04/25/2002 | US20020048248 Method and device for detecting optical data and reading-writing apparatus for optical data |
| 04/25/2002 | US20020048246 Optical recording medium, optical recording medium manufacturing apparatus, and optical recording medium manufacturing method |
| 04/25/2002 | US20020048244 Apparatus for calibrating tilt in disc player |
| 04/25/2002 | US20020048243 Optical pickup apparatus and tilt amount detecting method |
| 04/25/2002 | US20020048242 Multi-layer rotary recording medium and recording / reproducing method and apparatus thereof |
| 04/25/2002 | US20020048241 Disk recording medium and disk drive apparatus |
| 04/25/2002 | US20020048240 Link writing method for a recordable compact disk and driver for using the method |
| 04/25/2002 | US20020048239 Information recording and reproducing apparatus |
| 04/25/2002 | US20020048238 Optical record carrier and scanning apparatus |
| 04/25/2002 | US20020048237 Optical disk drive |
| 04/25/2002 | US20020048236 Optical disc apparatus and focus jump method |
| 04/25/2002 | US20020048235 Method and apparatus for controlling reproduction of optical recording medium |
| 04/25/2002 | US20020048234 Device for assembling and adjusting an optical unit |
| 04/25/2002 | US20020048233 Optical pickup device and focus error detecting method therefor |
| 04/25/2002 | US20020048232 Magnetic position device |
| 04/25/2002 | US20020048231 Drive device |
| 04/25/2002 | US20020048229 Information displaying/reproducing device, informaiton editing device and information recording device |
| 04/25/2002 | US20020048225 Recording medium, recording and reproducing method and recording and reproducing apparatus |
| 04/25/2002 | US20020048106 Master information carrier and method for manufacturing information recording medium using the same |
| 04/25/2002 | US20020048104 Method and apparatus for a disc drive client interface |
| 04/25/2002 | US20020048103 Method and apparatus for a disc drive interface |
| 04/25/2002 | US20020048030 System and method for imprinting and reading a sound message on a greeting card |
| 04/25/2002 | US20020047679 Optical pickup position control method |
| 04/25/2002 | US20020047542 Exposure system |
| 04/25/2002 | US20020047084 Optical head and apparatus for and method of storing and reproducing optical information |
| 04/25/2002 | CA2393670A1 Optical recording medium and optical recording method |
| 04/24/2002 | EP1199718A2 Information recording apparatus and method, and information reproduction apparatus and method |
| 04/24/2002 | EP1199717A2 Objective lens, coupling lens, light converging optical system, and optical pick-up apparatus |
| 04/24/2002 | EP1199716A2 Track-jump controlling apparatus and method |
| 04/24/2002 | EP1199715A1 Optical information recording method, optical information recording device and optical information recording medium |
| 04/24/2002 | EP1199714A1 Information recording medium adaptive to copy protection and recording/reproducing apparatus |
| 04/24/2002 | EP1199614A2 Hologram recording and reproducing apparatus |
| 04/24/2002 | EP1199184A1 Write-once optical record medium |
| 04/24/2002 | EP1198794A2 Data memory and method for writing information in a data memory |
| 04/24/2002 | EP0991516A4 Optical devices and their method of assembly |
| 04/24/2002 | EP0936601B1 Optical disc |
| 04/24/2002 | CN2488144Y Special shaped CD of picture arrangement |
| 04/24/2002 | CN1346489A 光记录载体与扫描设备 Optical record carrier and scanning device |
| 04/24/2002 | CN1346488A Recording driven information on recording medium |
| 04/24/2002 | CN1083600C Surface laser diode package having optical power monitoring function |
| 04/24/2002 | CN1083599C Photo pick-up device with polarization selection element and photo apparatus with said device |
| 04/24/2002 | CN1083598C Recording and or replaying device, and recording medium having performance zone and responsible document information zone |
| 04/23/2002 | US6377739 Two dimensional fiber optic output array |
| 04/23/2002 | US6377594 Apparatus and method for analysis and control of a train of high speed, high power, multi-level laser pulses |
| 04/23/2002 | US6377537 Information recording medium with expanded information recording capability |
| 04/23/2002 | US6377536 Optical pick-up apparatus |
| 04/23/2002 | US6377535 High numerical aperture optical focusing device having a conical incident facet and a parabolic reflector for use in data storage systems |
| 04/23/2002 | US6377528 Information reproducer, information recorder and reference mark detection circuit |
| 04/23/2002 | US6377527 Disk drive device having a function of preventing vibration owing to mass eccentricity of disk |
| 04/23/2002 | US6377526 Erasable WORM optical disk and method of writing thereto multiple times |
| 04/23/2002 | US6377525 Optical disc apparatus and method for reading information |
| 04/23/2002 | US6377524 Recording medium for storing defect management information for recording real time data, defect managing method therefor, and real time data recording method |
| 04/23/2002 | US6377523 Seek control method in optical storage device |
| 04/23/2002 | US6377522 Optical disc apparatus and kand/groove detecting circuit |
| 04/23/2002 | US6377521 Biaxial actuator, optical part and optical disk device |
| 04/23/2002 | US6377520 Robust and versatile focus/tracking method and system for optical pickup heads |
| 04/23/2002 | US6377518 Method and device for recording real-time information |
| 04/23/2002 | US6377407 Optical scanning device having an improved response characteristic |
| 04/23/2002 | US6377015 Voice coil motor control apparatus for use in disk drives |
| 04/23/2002 | US6376953 Galvano mirror unit |
| 04/23/2002 | US6376871 Semiconductor device having photodetector and optical pickup system using the same |
| 04/23/2002 | US6376827 Near field optical memory head |
| 04/23/2002 | US6376655 Physically functional materials |
| 04/23/2002 | US6376084 Glass-ceramics, process for producing the same, and substrate for information recording medium, information recording medium and information recording device each using the glass-ceramics |
| 04/23/2002 | US6376040 Optical information medium, optical information recording method, and optical information reproducing method |
| 04/23/2002 | US6375741 Semiconductor processing spray coating apparatus |
| 04/18/2002 | WO2002031829A1 System for the realization of a personalized dedication on a prerecorded video support such as a cd, dvd, minidisc |
| 04/18/2002 | WO2002031825A1 Optical record medium, optical information processing apparatus, and optical recording/reproducing method |
| 04/18/2002 | WO2002031824A1 Information recorder/reproducer |