| 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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| 04/08/1998 | EP0834873A1 Recording or playback device for optical information carriers having a servo control circuit and method for treating error signals in such a device |
| 04/08/1998 | EP0834174A1 Optical data storage medium and methods for its writing and reading |
| 04/08/1998 | CN1178367A Optical pickup device |
| 04/08/1998 | CN1178366A Reproducing or recording device for reproducing, or reducing on, optical recording medium |
| 04/08/1998 | CN1178365A Storage medium playback system and method |
| 04/08/1998 | CN1178360A Compound-playback apparatus |
| 04/07/1998 | USRE35766 Stabilized-feedback control device for semiconductor lasers |
| 04/07/1998 | US5737481 Information recording method, information recording apparatus and information recording medium |
| 04/07/1998 | US5737308 Recording medium for specified reproduction and reproduction apparatus |
| 04/07/1998 | US5737307 Method for recording-regenerating information from optical recording mediums |
| 04/07/1998 | US5737306 Playback system for an optical disc presenting a character or a graphic pattern formed by specified pit patterns on data tracks |
| 04/07/1998 | US5737304 CD/CD-ROM apparatus |
| 04/07/1998 | US5737302 Galvanomirror and optical disk drive using the same |
| 04/07/1998 | US5737301 Laser control for setting average recording power of "1" equal to average recording power of "0" |
| 04/07/1998 | US5737300 Optical dish device |
| 04/07/1998 | US5737299 Optical pickup apparatus having wave plates |
| 04/07/1998 | US5737297 Optical head |
| 04/07/1998 | US5737296 Focus and tracking error detection by using plus and minus first order diffracted light |
| 04/07/1998 | US5737295 Dual-focus optical pickup for different thicknesses of recording medium |
| 04/07/1998 | US5737294 Objective lens with two numerical apertures for reading/writing two optical discs |
| 04/07/1998 | US5737292 Optical data recording/reproducing device |
| 04/07/1998 | US5737290 Recording medium capable of recording a first data-type and a second data-type, playback method and playback device for playing back from the recording medium, and recording device for recording first-type data and second-type data on the recording medium |
| 04/07/1998 | US5737289 Data recording apparatus adapted for recording data signals onto an optical recording medium |
| 04/07/1998 | US5737288 Position sensing for an optical recording actuator |
| 04/07/1998 | US5737287 Method for recording/reproducing status information on/from an optical disc |
| 04/07/1998 | US5737286 System and apparatus for recovering information from a record currier which exhibits variations of two different physical parameters thereof |
| 04/07/1998 | US5737284 Optical disc drive having accessing from a current position within a lead-in area |
| 04/07/1998 | US5737283 Reproducing method and apparatus using absolute time data |
| 04/07/1998 | US5737282 Optical disk apparatus and track access control method utilizing positioned shift between scanning beams |
| 04/07/1998 | US5736875 Discrimination circuit capable of automatically optimizing discrimination level and discrimination phase |
| 04/07/1998 | US5736657 Comprises antimony, silver, indium and tellurium intermetallics having chalcopyrite or zinc blende crystal structure |
| 04/07/1998 | CA2137968C Information storage and retrieval device |
| 04/02/1998 | WO1998013826A1 Optical pickup device and wavelength selective diffraction grating |
| 04/02/1998 | WO1998013825A2 Integrated optical head apparatus and associated methods |
| 04/02/1998 | WO1998013824A1 Scanning device and apparatus incorporating said scanning device |
| 04/02/1998 | WO1998013823A1 Recording medium and its reproducer |
| 04/02/1998 | DE19742481A1 Reversible heat-sensitive recording medium |
| 04/01/1998 | EP0833338A2 Recording method of recording medium |
| 04/01/1998 | EP0833337A2 Editing method for deleting prescribed section of a program and editing apparatus thereof |
| 04/01/1998 | EP0833335A1 Apparatus for reading indentification indication provided on an optical disc and method therefor |
| 04/01/1998 | EP0833334A1 Disc drive |
| 04/01/1998 | EP0833328A2 System for reading information recorded on a disc |
| 04/01/1998 | EP0833319A2 Disc-shaped recording medium |
| 04/01/1998 | EP0833316A2 A method of providing a range of conformalities for optical recording layers |
| 04/01/1998 | EP0833315A2 Method of correcting nonalignment of a storage disc |
| 04/01/1998 | EP0833314A2 Information recording medium |
| 04/01/1998 | EP0833313A1 Double-layer optical disk, recording method and manufacturing method of this optical disk |
| 04/01/1998 | EP0833312A1 Information reproduction device and method |
| 04/01/1998 | EP0833311A2 Disk type determining apparatus, optical disk reproducing apparatus and tracking error signal generating apparatus |
| 04/01/1998 | EP0833310A2 Reproducing or recording device for reproducing, or recording on, an optical recording medium |
| 04/01/1998 | EP0833172A2 Light absorber and optical equipment |
| 04/01/1998 | EP0832938A2 Mixtures of symmetrical and unsymmetrical nickel formazan dyes |
| 04/01/1998 | EP0832485A1 Compact disc tracking system and method |
| 04/01/1998 | CN1177816A Edition method for deleting established part of performance and edition apparatus thereof |
| 04/01/1998 | CN1177801A Optical pick-up system for selectively reading multiple light disks |
| 04/01/1998 | CN1177800A Optical pick-up system for reading information recroded on light disk |
| 04/01/1998 | CN1177799A Recording on light recording medium, recording from reproducing same, and reprodcuing device thereof |
| 04/01/1998 | CN1177798A Reproducer of preventing data from overflow and underflow, and method thereof |
| 04/01/1998 | CN1177797A Light disk identification system |
| 03/31/1998 | US5734788 Multimedia optical disc which can preserve the freshness of stored data, a reproduction apparatus for reproducing such optical disc and a reproduction method |
| 03/31/1998 | US5734787 Optical disk having a particular format to store user-selected data, such as compressed video data or computed files, including a dedicated TOC region and an application TOC to identify the video compression format |
| 03/31/1998 | US5734638 Objective lens actuator and method for manufacturing the same |
| 03/31/1998 | US5734637 Optical pickup used with both DVD and CD |
| 03/31/1998 | US5734635 Method and apparatus for controlling moving distance of optical pick-up in an optical disk system |
| 03/31/1998 | US5734634 Recording method and recording equipment of optical disc reproducing method and reproducing equipment of optical disc |
| 03/31/1998 | US5734633 Optical-disk recording and reproducing apparatus and method using an optical disk for recording information on lands and grooves |
| 03/31/1998 | US5734632 Optical head using evanescent light and optical data recording/reproducing apparatus and method of using the same |
| 03/31/1998 | US5734631 Disc player and method of reproducing the same |
| 03/31/1998 | US5734629 CD transporter |
| 03/31/1998 | US5734590 Recording medium and device for generating sounds and/or pictures |
| 03/31/1998 | US5734512 Dual-focus objective lens of optical pickup |
| 03/31/1998 | US5734174 Photo hole burning memory |
| 03/31/1998 | US5733623 Recording media for recordable element |
| 03/31/1998 | US5733622 Edge strengthened substrate of a data storage disk and method for fabricating same |
| 03/30/1998 | CA2216991A1 Apparatus for reading identification indication provided on an optical disc and method therefor |
| 03/26/1998 | WO1998012050A1 Foil applicator |
| 03/26/1998 | DE19723417A1 Optical information recording medium disc |
| 03/26/1998 | DE19640356A1 Thermo-optical data memory for smart card system |
| 03/26/1998 | DE19639215A1 Disc replay and record device with tracking control disc drive |
| 03/26/1998 | CA2217115A1 Disc drive |
| 03/25/1998 | EP0831647A1 Multimedia optical disk on which audio data of a plurality of channels and sub-video data together with time-varying image data, and device and method of reproducing the data |
| 03/25/1998 | EP0831473A2 Optical information recording disc |
| 03/25/1998 | EP0831472A1 Optical pickup and optical recording apparatus |
| 03/25/1998 | EP0831471A1 Optical head and optical recorder |
| 03/25/1998 | EP0831470A2 Recording or replay device for recording on or replaying from an optical recording medium |
| 03/25/1998 | EP0831469A2 Hologram optical pick-up using two laser sources |
| 03/25/1998 | EP0831468A2 Method of and apparatus for recording data on land/groove track on optical recording medium |
| 03/25/1998 | EP0831467A2 Method for processing the output signals of an optoelectronic scanner in a replay or recording appliance, and a corresponding appliance |
| 03/25/1998 | EP0831466A2 Optical head having multiple light sources having different wavelengths |
| 03/25/1998 | EP0830676A1 Digital information recording media and method of using same |
| 03/25/1998 | EP0830675A2 Method and device for recording an optical information carrier |
| 03/25/1998 | CN1177181A Method for forming optical disc, and device for forming the optical disc |
| 03/25/1998 | CN1177180A Optical information recording medium |
| 03/25/1998 | CN1177179A Optical recording medium and method based on fabry-perot principle |
| 03/25/1998 | CN1177178A Optical pickup for using disks each having different thickness |
| 03/25/1998 | CN1177177A Apparatus for automatically controlling focus and method thereof in disc player |
| 03/25/1998 | CN1177176A Digital focus servo control apparatus for use in optical disk system |
| 03/25/1998 | CN1177175A Servo control device of optical disk recording and reproducing apparatus |
| 03/25/1998 | CN1177174A Phase-Shift and tilt adjustable disk player |
| 03/25/1998 | CN1177173A Pickup adjusting apparatus of optical disk player |