Patents
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)
11/1995
11/28/1995US5471443 Method of selectively concealing magneto-optical compact disk data for playback upon demand
11/28/1995US5471442 For reproducing a signal
11/28/1995US5471441 CD player capable of playing back partially recorded CD
11/28/1995US5471440 Magnetooptic apparatus with integrated detecting element providing signal with high S/N ratio
11/28/1995US5471263 Method for recording a digital audio signal on a motion picture film and a motion picture film having digital soundtracks
11/28/1995US5471234 Recording apparatus
11/28/1995US5470985 Metal complex compound
11/28/1995US5470694 Applying a photoresist film on a glass substrate and a mask plate with groove, radiation, development, etching and removal of film
11/28/1995US5470691 Optical information medium
11/28/1995US5470690 Optical information storage on a bacteriorhodopsin - containing film
11/28/1995US5470628 Optical recording medium
11/28/1995US5470627 Double-sided optical media for a disk storage device
11/28/1995US5470626 Radiation transparent substrate with optical recording layer with phthalocyanine dye and gold reflective layer
11/23/1995WO1995031807A1 Optical storage media having visible logos
11/23/1995WO1995031806A1 Tracking servo device and track counting device
11/23/1995CA2190246A1 Optical storage media having visible logos
11/22/1995EP0683551A1 Laser apparatus
11/22/1995EP0683527A1 High density LED arrays with semiconductor interconnects
11/22/1995EP0683487A1 Optical information recording and reproducing apparatus having a function of preventing overwrite recording
11/22/1995EP0683486A1 Method and device for printing compact discs
11/22/1995EP0683485A1 Phase change type optical disk
11/22/1995EP0683484A1 Optical head system
11/22/1995EP0683174A2 Thioether containing photopolymerizable compositions
11/22/1995CN1112380A Recording medium management method
11/22/1995CN1112272A Multiple data surface optical data storage system
11/22/1995CN1030358C 光学扫描装置 Optical scanning means
11/21/1995US5469426 High write speed erasable optical recording disk using active semiconductor devices at each pixel
11/21/1995US5469423 Laser power control of an optical head with a plurality of beam sources
11/21/1995US5469422 Writing and erasing information by varying the temperature of an optical recording medium
11/21/1995US5469420 Multi-value recorded data detecting method
11/21/1995US5469419 Information processing apparatus with recording medium discharging mechanism for preventing change or loss of information of recording medium by temperature increase of the apparatus
11/21/1995US5469418 Optical information write/read device and method for writing data
11/21/1995US5469417 Information recording/reproducing apparatus for recording or reproducing data, and clock generating circuit incorporated therein
11/21/1995US5469416 Apparatus for reproducing recorded data and selectively either of read-only or recorded synchronization information from a magneto-optical recording medium
11/21/1995US5469415 Optical information recording or reproducing apparatus with asymmetry compensation
11/21/1995US5469269 High speed optical information system and method
11/21/1995US5469008 Motor with a bearing lubricated by magnetic fluid
11/21/1995US5468593 Optical recording medium
11/21/1995US5468326 Apparatus for polishing a diamond or carbon nitride film by reaction with oxygen transported to the film through a superionic conductor in contact with the film
11/21/1995US5468324 Spin-on and peel polymer film method of data recording duplication and micro-structure fabrication
11/21/1995CA2024360C Optical disk apparatus
11/21/1995CA1337582C Optical recording materials comprising antimony-tin alloys including a third element
11/18/1995CA2148532A1 Soundtrack interface for motion picture projector
11/16/1995WO1995030985A1 System for simultaneous storage and retrieval of data on a disk
11/16/1995CA2189767A1 Method and system for simultaneous storage and/or retrieval (storval) of a plurality of data on a disk means
11/15/1995EP0682357A2 Substrate cassette and side rail therefor
11/15/1995EP0682341A1 Electronic apparatus using information memory medium
11/15/1995EP0681731A1 Elimination of scanning disturbances.
11/15/1995EP0551424B1 Motion picture digital sound system and method
11/15/1995EP0443049B1 Sputtering apparatus and sputtering system
11/15/1995CN1111921A Apparatus and method for reproducing data from disc, method for recording data on disc, and disc
11/15/1995CN1111873A Method and apparatus for reproducing a recording medium
11/15/1995CN1111790A Objective lens drive device and coil bobbin thereof
11/15/1995CN1111789A Optical pick-up device
11/15/1995CN1111788A Multiple data surface optical data storage system
11/15/1995CN1111787A Optical disc and optical disc recording apparatus
11/15/1995CN1111786A Apparatus and method for recovery of disc, circuit for processing signals and circuit for detecting regenerating speed
11/14/1995US5467339 Optical disc having information units comprising a plurality of separated pit pieces, and playback apparatus and recording and playback method therefor
11/14/1995US5467337 Optical disk reproducing method and apparatus
11/14/1995US5467336 Magneto-optical recording/reproducing apparatus with optical pickup device having a multi-layer dielectric film beam splitter
11/14/1995US5467335 Beam-shaping optical element and device for converting a beam having a first cross-section into a beam having a second cross-section
11/14/1995US5467331 Recording and reproducing apparatus having arrangement for recovery of read-out data error
11/14/1995US5467330 Recording method and recording and reproducing apparatus for optical disk
11/14/1995US5467329 Optical disc playback apparatus and method which utilizes single RAM for data decoding and TOC processing
11/14/1995US5467328 Lens drive mechanism for optical disc player with parallel support springs having different spring constants
11/14/1995US5467327 Method of masking data on a storage medium
11/14/1995US5467238 Cleaning apparatus for heads of data storage disks
11/14/1995US5467225 Objective lens for an optical disk drive
11/14/1995US5466883 Karaoke reproducing apparatus
11/14/1995US5466319 Method for making optically readable media containing embossed information
11/14/1995US5466145 Disc base board molding die including stamper plate attaching/detaching device
11/14/1995CA2036138C Magneto-optical recording medium
11/09/1995WO1995030163A1 Optical transmissive component with anti-reflection gratings
11/08/1995EP0681290A1 Scanning device with adaptation
11/08/1995EP0680656A1 Optical data storage and retrieval system and method
11/08/1995CN1111384A Pick-up transporting apparatus for a mini-disc player
11/07/1995US5465248 Deflecting a light beam in the same direction and speed of a recording medium by a rotating polygon or a holographic disk
11/07/1995US5465247 For recording and reproducing information
11/07/1995US5465245 Optical pickup control system for an optical disc having recorded and non-recorded areas
11/07/1995US5465244 Disc reproducing apparatus
11/07/1995US5465243 Optical recorder and reader of data on light sensitive media
11/07/1995US5465242 Optical disk device
11/07/1995US5465241 Optical tape recording and reproducing apparatus
11/07/1995US5465147 Method and apparatus for acquiring images using a ccd detector array and no transverse scanner
11/07/1995US5464930 Article for use in optical application formed from linear polycarbonate resins
11/07/1995US5464673 Information recording medium having recording layer with organic polymer and dye contained therein
11/07/1995US5464339 Molding dye for disk substrate
11/02/1995WO1995029483A1 Magnetooptic recording medium and magnetooptic recording head
11/02/1995WO1995024618A3 Device for raising the frequency of electromagnetic radiation
11/02/1995EP0680043A2 Disc controller
11/02/1995EP0680039A1 Information recording medium and process for production thereof
11/02/1995EP0680038A2 Device for controlling the position and/or the focalisation of a focalised light beam
10/1995
10/31/1995US5463614 Optical recording medium having large guide groove track pitch/meander amplitude ratio
10/31/1995US5463612 Objective lens drive apparatus used in optical information recording/reproducing apparatus
10/31/1995US5463610 Two-beam optical head for forming first and second light spots on a recording medium
10/31/1995US5463609 Information recording and reproducing device and a method using the same
10/31/1995US5463606 Optical information reading and reproducing apparatus using pseudo DC-free codes
10/31/1995US5463604 Optical disc with data recorded at different rates on different zones and recording apparatus, and reproducing apparatus therefor
10/31/1995US5463602 Reproducing apparatus which can play multiple types of discs and biases focusing error signal based on disc type
10/31/1995US5463565 Data block format for software carrier and player therefor