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)
06/1999
06/01/1999US5909417 Recording medium formatted for error correction and high density recording and an apparatus for recording information thereon and/or reproducing information therefrom
06/01/1999US5909416 Land/groove detecting method and apparatus for an optical disk
06/01/1999US5909415 Positioning control system which generates a servo-error signal in accordance with a difference between detection currents
06/01/1999US5909414 Optical information recording and reproducing apparatus having a function of preventing overwrite recording
06/01/1999US5909413 For optically reading a signal recorded on tracks of an optical disc
06/01/1999US5909412 Method for reproducing optical disk
06/01/1999US5909293 Hologram unit of optical pickup and method of attaching hologram plate using the same
05/1999
05/27/1999WO1999026243A1 System and method of encoding for identifying a given surface among several identically patterned disk surfaces
05/27/1999WO1999026241A1 Method for producing an optical data medium with digital information and a hologram
05/27/1999WO1999026240A1 Optical recording systems and media with integral near-field optics
05/27/1999WO1999026239A1 Method of processing signals for optical disk device and optical disk device
05/27/1999WO1999026236A2 Method for thermal crosstalk control on optical media
05/27/1999WO1999013463A3 Optical record carrier and apparatus for scanning such a record carrier
05/27/1999WO1999012157A3 Record carrier and apparatus for scanning the record carrier
05/27/1999WO1999004393B1 Semi-manufactured stamper and method of manufacturing the same
05/27/1999DE19751378A1 Manufacturing sensing device for optical recording media
05/26/1999EP0918396A1 Phase locked loop circuit, reproduction apparatus and phase locking method
05/26/1999EP0918324A1 A machine for processing optical discs and method of transporting optical discs being processed thereby
05/26/1999EP0918323A2 Optical disk
05/26/1999EP0918322A1 Laser beam generating circuit using semiconductor laser device
05/26/1999EP0918321A2 Optical pickup compatible with optical recording media
05/26/1999EP0918248A2 Switchable lens
05/26/1999EP0917713A1 Magneto-optic recording system employing near field optics
05/26/1999EP0917712A2 Disc-like device with eas material
05/26/1999EP0917660A1 Hybrid optical multi-axis beam steering apparatus
05/26/1999CN1217809A Original board for mfg. of optical disk stampers, optical disk stamper mfg. method and optical disk
05/26/1999CN1217610A Phase-locked loop circuit, reproducing apparatus and phase-locking method
05/26/1999CN1217536A General accompany frock
05/26/1999CN1217535A Optical-disk drive device and control method for optical-disk drive
05/26/1999CN1217533A Apparatus and method for correcting unsymmertry of light disk regenerating system
05/26/1999CN1217532A Portable multi-media singing visual display apparatus
05/26/1999CN1217390A Sputting film-plating apparatus
05/25/1999US5907658 Multimedia optical disk, reproduction apparatus and method for achieving variable scene development based on interactive control
05/25/1999US5907581 To encode a one-dimensional data stream into a two-dimensional data block
05/25/1999US5907534 Optical recording medium
05/25/1999US5907530 Optical pickup device
05/25/1999US5907528 Apparatus for demodulating a digital FM signal which normally has signal inversions at data bit boundaries
05/25/1999US5907527 Apparatus for reproducing data stored on an optical disk
05/25/1999US5907526 Methods and apparatus for simultaneously reading multiple tracks of an optical storage medium
05/25/1999US5907345 Apparatus and method for digital disc labelling and packaging
05/25/1999US5906908 High density optical disks
05/25/1999US5906907 Optical disc
05/25/1999US5906874 Stability; multilayer
05/25/1999US5906775 Method of producing substrate for optical disc
05/25/1999US5906261 Device for processing objects
05/21/1999CA2242386A1 An apparatus for processing optical discs and method for transporting optical discs being processed thereby
05/20/1999WO1999024977A1 System and method of forming bonded storage disks with low power light assembly
05/20/1999WO1999024976A1 Improved system and method for curing a resin in a bonded storage disk
05/20/1999WO1999024975A1 REWRITABLE OPTICAL INFORMATION MEDIUM OF A Ge-Sb-Te ALLOY
05/20/1999WO1999024974A2 Optical scanning device
05/20/1999WO1999024858A1 A dual actuator optical positioning system
05/20/1999WO1999024853A1 Optical device with waveguide for transferring electromagnetic energy in the form of a radiation beam
05/20/1999WO1999024527A1 Fluorescent composition for the manufacture of cd-rom type optical memory disks
05/20/1999WO1999024336A1 System and method for maintaining concentricity of a combination of a top and bottom substrate during the assembly of a bonded storage disk
05/20/1999WO1999024259A1 System and method for thermally manipulating a combination of a top and bottom substrate before a curing operation
05/20/1999WO1999024258A1 System and method for curing a resin disposed between a top and bottom substrate with thermal management
05/20/1999WO1999024240A1 System and method for dispensing a resin between substrates of a bonded storage disk
05/20/1999WO1999024239A1 System and method for distributing a resin disposed between a top substrate and a bottom substrate
05/20/1999DE19827423A1 Two dimensional laser diode arrangement for disc recording
05/20/1999DE19753025A1 Substituted epidioxy-tetraanthraporphyrazine dyes used in fabrication of optical data recording materials
05/20/1999DE19749807A1 Data storage device with electronic contents label, e.g. computer disc
05/20/1999DE19748324A1 Optoelektronisches Sensormodul The optoelectronic sensor module
05/19/1999EP0917147A2 Method and device for controlling a buffer memory
05/19/1999EP0917139A2 Recordable optical disks with dielectric interlayer
05/19/1999EP0917138A2 Recordable optical disks with metallic interlayer
05/19/1999EP0917137A1 Optical information recording medium
05/19/1999EP0917136A1 Optical information storage apparatus
05/19/1999EP0916135A2 Optical record carrier and apparatus for scanning such a record carrier
05/19/1999EP0916133A1 Positioning an optical beam
05/19/1999EP0916132A2 Method and apparatus for writing optical recording media
05/19/1999EP0715305B1 Method for recording sector control information on magneto-optical disk
05/19/1999CN1216955A Method and apparatus for laminating boards
05/19/1999CN1216846A Optical information reproducing apparatus and optical information reproducing method
05/19/1999CN1216845A Method and apparatus for recording and reproducing data on and from optical disk
05/18/1999US5905864 Method for simultaneously switching data storage devices to be accessed by a first processing device and a second processing device at a predetermined time period
05/18/1999US5905845 Method disk and an apparatus for system encoding of bitstreams including plural system streams to be seamlessly reproduced
05/18/1999US5905709 Mass production of multisession discs for playback on audio-only and CD-ROM players
05/18/1999US5905708 For reading from or writing to an optical recording medium
05/18/1999US5905707 Optical grating for a bifocal access head of optical disk drive devices
05/18/1999US5905705 Disc device having eccentricity measurement and clock correction
05/18/1999US5905704 Data reproducing apparatus for reproducing data from sector units of a recording medium
05/18/1999US5905703 Optical disk apparatus having an improved tracking control system
05/18/1999US5905702 Optical information recording apparatus and method capable of coping with a plurality of card-like recording mediums of different reflectances
05/18/1999US5905701 Computer readable medium
05/18/1999US5905700 Multiple data layer optical disk with recorded information identifying the type of tracking
05/18/1999US5905699 Focusing apparatus and optical disk apparatus using the same
05/18/1999US5905695 Optical information recording/reproducing apparatus and method capable of selecting recording waveform in correspondence with characteristics of medium
05/18/1999US5905607 Return path geometry to enhance uniformity of force on a linear actuator
05/18/1999US5905255 Used for recording and/or reproducing of optical information
05/18/1999US5905254 For reading information signals
05/18/1999US5904969 Optical data recording medium and manufacturing method thereof
05/18/1999US5904819 Forming dielectric layer on transparent substrate, forming a recording layer and a thermal conductive layer
05/18/1999US5904795 Quickly curing the bonding agent with flash emissions of ultraviolet irradiation, blocking out infrared radiation to not impair the information recording layer; increased productivity; digital versatile disc (dvd)
05/14/1999WO1999023660A1 Recording and reproducing apparatus provided with teletext recording capability
05/14/1999WO1999023655A1 Multiplexed optics for dvd, disc array, etc.
05/14/1999WO1999023652A1 A method for manufacturing an optical memory device
05/14/1999WO1999023650A1 Multi-layered photochromic optical data disk
05/14/1999WO1999023649A1 A three-dimensional information carrier
05/14/1999WO1999023648A1 Optical head, optical recorder, microlens and manufacture of microlens
05/14/1999WO1999023647A1 Focus error correction apparatus