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)
11/1997
11/04/1997	US5684763 Optical recording/reproducing device having control for reducing vibrational noise during recording by slowing moving speed of pickup
11/04/1997	US5684762 Opto-magnetic head apparatus
11/04/1997	US5684657 Linear guide arrangement, device comprising a linear guide arrangement and a head for reading and/or writing information from/on a medium, and information reproducing and/or recording apparatus comprising a linear guide arrangement
11/04/1997	US5684645 Lens moving apparatus preventing resonance without using yoke bridge and counterweight
11/04/1997	US5684641 Objective lens and optical head apparatus using the objective lens
11/04/1997	US5684612 Method and system for maintaining and controlling the signal-to-noise ratio of hologams recorded in ferroelectric photorefractive materials
11/04/1997	US5684611 Photorefractive systems and methods
11/04/1997	US5683838 Method of producing information recording medium
11/03/1997	CA2204209A1 High-capacity storage media
10/1997
10/30/1997	WO1997040494A1 Method and apparatus for manufacture of laminated optical disc
10/30/1997	WO1997040115A1 Ultraviolet-curing adhesive composition and article
10/29/1997	EP0803943A2 Surface laser diode package having an optical power monitoring function
10/29/1997	EP0803869A1 Optical pickup apparatus for both CD and DVD
10/29/1997	EP0803868A2 Optical element and optical pickup device comprising the same
10/29/1997	EP0803867A2 Optical head device
10/29/1997	EP0803866A2 Optical storage apparatus
10/29/1997	EP0803865A1 Tracking error signal generating circuit
10/29/1997	EP0803864A2 Optical storage apparatus
10/29/1997	EP0803376A1 Process for the preparation of a metal heat mode recording element
10/29/1997	EP0803121A1 Semi-permanent enclosure for optical data storage device
10/29/1997	EP0802880A1 Linear guide arrangement, device comprising a linear guide arrangement and a head for reading and/or writing information from/on a medium, and information reproducing and/or recording apparatus comprising a linear guide arrangement
10/29/1997	CN1163673A information carrier, device for reading and device for providing information carrier and method for transmitting picture information
10/29/1997	CN1163457A User defining data in unused area of data storing medium
10/29/1997	CN1163456A Optical recording and reproducing device with main shaft motor position correcting device
10/29/1997	CN1163453A Optical sensor and light deflection covering layer ofr optical sensor
10/29/1997	CN1163452A Optical disc device and replacing processing method
10/29/1997	CN1163451A Mixed recording system device
10/29/1997	CN1163450A Optical storing device
10/29/1997	CN1163417A Objective lens driving device in light pick-up device and regulating method for objective lens frame resonant frequency
10/29/1997	CN1036299C Format for data-storing disk media wherein address able track angular length is independent of disk recolution
10/28/1997	US5682375 Information recording medium and method for recording and reproducing thereof
10/28/1997	US5682374 Recording medium having a recorded phase reference signal for fine adjustment of a phase sampling clock signal
10/28/1997	US5682373 Optical pickup device
10/28/1997	US5682372 Method and apparatus for playing back multilayer disk
10/28/1997	US5682367 Optical data storage and retrieval system and method
10/28/1997	US5682366 Optical disc recording apparatus with efficient data checking
10/28/1997	US5682365 Apparatus for recording data on a disc-shaped optically readable record carrier
10/28/1997	US5682362 Track accessing method and apparatus using coarse and fine driving control in collaborating of fashion
10/28/1997	US5682360 Recording and reproducing apparatus for use with a recording medium having an optical recording layer and magnetic recording layer
10/28/1997	US5682307 Circuits and methods for controlling a tracking actuator of an optical disk player
10/28/1997	US5682274 Method and apparatus for positioning transducers to correct for read and write element misregistration offsets which vary dependent on rotary actuator angular position across a disk medium
10/28/1997	US5682159 Method and apparatus for reducing phase lag resulting from digital to analog conversion
10/28/1997	US5682076 Ceramic disc-drive actuator
10/28/1997	US5681634 Optical information medium, and method and apparatus for fabricating the same
10/28/1997	US5681632 Optical information recording medium
10/28/1997	US5681609 Method of manufacturing a magnetic recording disk
10/23/1997	WO1997039449A1 A device for manufacturing of disc-shaped information carriers
10/23/1997	WO1997039448A1 Optical pickup
10/23/1997	WO1997039447A1 A flying head positioner with fine positioning
10/23/1997	WO1997039446A1 Optical disk drive with a plurality of optical heads of different types
10/23/1997	WO1997039445A1 Method and apparatus for detecting the minimum glide height of a flying head and for focusing a lens carried on a flying head
10/23/1997	WO1997039444A1 Optical disc and recording/reproducing apparatus therefor
10/23/1997	WO1997039441A1 Flying head with adjustable actuator load
10/22/1997	EP0802591A2 Laser diode package having an optical power monitoring function
10/22/1997	EP0802536A2 Recording medium, signal recording apparatus thereof, and signal reproducing apparatus thereof
10/22/1997	EP0802531A2 Information recording method and apparatus
10/22/1997	EP0802530A2 Optical ROM type memory disk
10/22/1997	EP0802529A2 Optical information recording or playbacking system, optical head apparatus used in the system and method for recording or playbacking optical information
10/22/1997	EP0802528A2 Compatible recording and reproducing device
10/22/1997	EP0802527A1 Optical disk, optical recorder, optical reproducing device, encrypted communication system, and authorizing system for use of program
10/22/1997	EP0802178A2 Schiff base quinone complexes and optical recording materials comprising the same
10/22/1997	EP0553816B1 Disc shaped recording medium and address discrimination circuit for disc-shaped recording medium
10/22/1997	CN1162816A Signal-processing preamplifier for optical disc system
10/22/1997	CN1162814A Optical pickup and optical recording medium reproducing apparatus
10/22/1997	CN1162813A Composite optical device
10/22/1997	CN1162812A Laser head
10/21/1997	US5680500 Record bearing medium for still video signal
10/21/1997	US5680386 Optical method and system for writing/reading information on a recording medium
10/21/1997	US5680385 Optical head with a heat sink
10/21/1997	US5680384 Laser emission unit, optical head and optical memory device
10/21/1997	US5680383 Data-transition threshold following in optical recording
10/21/1997	US5680382 Optical information recording apparatus and method capable of handling a plurality of card-like recording media of different reflectance
10/21/1997	US5680381 Recording medium, recording method, recording/reproducing apparatus, and cutting apparatus
10/21/1997	US5680380 Data readout system for optical disk having maximum likelihood data detecting circuit
10/21/1997	US5680376 Optical recording medium, and apparatus and method for recording and reproducing information on the same
10/21/1997	US5680256 Lens for reading out optical recording medium
10/21/1997	US5679947 Optical device having a light emitter and a photosensor on the same optical axis
10/21/1997	US5679911 Karaoke reproducing apparatus which utilizes data stored on a recording medium to make the apparatus more user friendly
10/21/1997	US5679440 Optical card
10/21/1997	US5679430 Recording layer comprises two dyes having differing refractive indices; capable of writing and reading at short wavelength as well as at conventional wavelength
10/21/1997	US5679429 Transparent substrate having pattern of pits and grooves, partially reflective layer, transparent polymer spacer, highly reflective layer
10/21/1997	US5679386 Optical disk formation member for making an optical disk substrate
10/21/1997	CA2085383C Optical disc and method for manufacturing the same
10/16/1997	WO1997038527A1 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
10/16/1997	WO1997038421A1 Optical recording medium
10/16/1997	WO1997038420A1 Optical disc
10/16/1997	WO1997038346A1 Compositions containing chiral compounds and nematic liquid cristals, and devices using them
10/16/1997	WO1997038321A1 Optical recording measurement package
10/15/1997	EP0801392A2 Information record medium, apparatus for recording the same and apparatus for reproducing the same
10/15/1997	EP0801384A2 Information storage and information transmission media with parental control
10/15/1997	EP0801383A1 A device for processing a disc-shaped substrate as well as a station suitable for being coupled to such a device
10/15/1997	EP0801382A2 Optical information recording/reproducing device and method for recording/reproducing information
10/15/1997	EP0801143A1 Apparatus for masking or covering of substrates
10/15/1997	EP0800699A1 Optical registration medium with dual information layer
10/15/1997	EP0484555B1 Optical information recording/reproducing device using pit edge recording system
10/15/1997	CN1162173A Optical pick-up device and actuator thereof
10/15/1997	CN1162172A Optical data read-write head of vertical cavity surface emission laser
10/15/1997	CN1162171A Digital multi-purpose disk, video digital optical disk compatible double-lens optical probe
10/15/1997	CN1162170A Optical disk for high-density recording and optical disk recording carrier
10/15/1997	CN1162169A Digital signal replaying device and method thereof

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