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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06/20/1995 | CA2031672C Information processing device and optical disk memory used therefor |
06/20/1995 | CA2013336C Ultraviolet light curable composition and use thereof |
06/14/1995 | EP0657884A1 Magnetic recording medium, method of producing it, and magnetic recording apparatus using it |
06/14/1995 | EP0657883A2 Information reproducing apparatus and method |
06/14/1995 | EP0657879A2 Magnetooptic disk player |
06/14/1995 | EP0657877A1 "Track seek method and device for use with an optical information recording and reproducing apparatus" |
06/14/1995 | EP0657771A1 Digital sound recording on motion picture film |
06/14/1995 | EP0656833A1 Data-recordal using laser beams. |
06/14/1995 | EP0288570B1 Draw type optical recording medium |
06/14/1995 | DE4434928A1 Wandler-Positionssensor mit gespeicherter Position, Überweg und geringer mechanischer Spannung Transducer position sensor with stored position, crossing and low mechanical stress |
06/13/1995 | US5425016 Digital laser encoder/recorder/player, utilizing ellipsoidal memory medium |
06/13/1995 | US5425015 Film contains a bis(thienylethene anhydride)-type compound which has a ring opening/ring closing portion stimulated by light |
06/13/1995 | US5425014 Apparatus for constant angular velocity reading of constant linear velocity disks |
06/13/1995 | US5425013 Relative position sensing calibration for optical storage device |
06/13/1995 | US5425012 Track detector circuit for detecting a track when at least either optical recording or regenaration is performed on a card-like information recording medium |
06/13/1995 | US5425011 Semiconductor integrated circuit incorporating photo detectors |
06/13/1995 | US5425010 Optical information recording/reproducing apparatus having photo detecting element disposed in a two-dimensional array |
06/13/1995 | US5424389 Polycarbonate copolymer of spirobisindan and bisphenol-A, method of preparing such a copolymer and optical components of such a copolymer |
06/13/1995 | US5424171 For laser disk players, high carrier to noise ratio |
06/13/1995 | US5424106 Optical information recording medium and method of designing its structure |
06/13/1995 | US5424102 Optical recording medium and production thereof |
06/13/1995 | US5423671 Apparatus for producing a substrate sheet for an optical recording medium |
06/13/1995 | US5423103 Laser disc buffing apparatus |
06/13/1995 | CA1335866C Method and apparatus for non-intrusive continuous and automatic taking of samples, storing and disposing of samples and data for an eventual evaluation |
06/08/1995 | WO1995015557A1 Rom-ram-disk |
06/08/1995 | WO1995015407A1 Magneto-optical alloy sputter targets |
06/08/1995 | DE4443001A1 Fluorite-type crystal contg. samarium as active ion |
06/08/1995 | DE3790966C2 Optical recording material |
06/07/1995 | EP0656626A2 Information recording-reproduction method |
06/07/1995 | EP0656625A1 Optical disk and method for reproducing information recorded on the same |
06/07/1995 | EP0656624A1 Compatible optical read device |
06/07/1995 | CN1103539A Disk-shaped optical storage medium and process for producing the same |
06/07/1995 | CN1103501A A device for applying a lacquer coating to a disc-shaped registration carrier |
06/07/1995 | CN1103500A Optical disk, and information recording/reproduction apparatus |
06/07/1995 | CN1028812C Directional logic circuit |
06/06/1995 | US5422874 Optical recording disk, and recording/reading apparatus using same |
06/06/1995 | US5422872 Telecentric rotary actuator in an optical recording system |
06/06/1995 | US5422871 Method and apparatus for producing an optical disk having a read-only area and a rewritable area |
06/06/1995 | US5422870 Optical pickup for information recording/reproducing apparatus |
06/06/1995 | US5422868 Audio signal recording apparatus with a track number signal generating function |
06/06/1995 | US5422867 Access control circuit for use in optical disk unit |
06/06/1995 | US5422866 Magneto-optical head with birefringent polarizer |
06/06/1995 | US5422226 Compact disk having cured print layer on protective layer covering recording layer; heat resistance; non-delaminating |
06/06/1995 | US5421768 Abrasive cloth dresser |
06/06/1995 | CA2041987C Optical disk drive |
06/06/1995 | CA2000313C Tracking servo apparatus for disc-shaped optical record medium |
06/01/1995 | DE4340595A1 Milling appts. for compact disc coating removal |
05/31/1995 | EP0655740A1 Recording medium management method |
05/31/1995 | EP0655739A2 Information signal recording method |
05/31/1995 | EP0655162A1 Compositions of bacteriorhodopsin variants with increased memory time and their use |
05/31/1995 | CN1103168A Light modulator and optical head adjustment method |
05/30/1995 | US5420849 Apparatus for reproducing data from optical data recording medium |
05/30/1995 | US5420848 Optical system for optical information recording/reproducing apparatus having a galvano mirror |
05/30/1995 | US5420847 Reproducing system for an optical disc |
05/30/1995 | US5420846 Recording medium having a plurality of nonlinear transmission characteristics |
05/30/1995 | US5420845 Methods of varying optical properties, optical devices, information recording media and information recording methods and apparatuses |
05/30/1995 | US5420841 Spindle motor control circuit for optical recording and regenerating system |
05/30/1995 | US5420840 Separation type mono block optical head with tracking control achieved by a moveable mirror |
05/30/1995 | US5420838 Disk recording and reproducing device |
05/30/1995 | US5420837 Recording condition determination method and apparatus upon execution of over-write operation on magnetooptical disk by heat shut off method and pulse train method, and magnetooptical recording method and apparatus |
05/30/1995 | US5420834 Optical disk recorders using disks coatings close to outer surfaces with optical path extending through a thick transparent substrate |
05/30/1995 | US5420832 Half height magnetooptical-disk recording and/or reproducing apparatus for a 5.25 inch large capacity magnetooptical-disk |
05/30/1995 | US5420690 Optical information recording/reproducing apparatus |
05/30/1995 | US5419999 Optical recording medium and recording/reproducing method therefor |
05/30/1995 | US5419939 Optical recording disk |
05/30/1995 | US5419937 Reflection and interference layers |
05/26/1995 | WO1995014299A1 Optical pickup apparatus |
05/24/1995 | EP0654787A1 Signal level adjusting unit |
05/24/1995 | EP0654785A1 Error correcting apparatus with error correcting signal holding function |
05/24/1995 | EP0654784A1 Optical head for generating a plurality of light beams and an opto-magnetic recording/reproducing/erasing apparatus using same |
05/24/1995 | EP0615631A4 Motion picture digital sound system and method with primary sound storage edit capability. |
05/24/1995 | CN1102901A Optical memory material |
05/24/1995 | CN1028574C Method and apparatus for positioning transducers |
05/23/1995 | US5418910 Dual buffer cache system for transferring audio compact disk subchannel information to a computer |
05/23/1995 | US5418852 Unauthorized use prevention method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus |
05/23/1995 | US5418774 Optical head system and its optical disc |
05/23/1995 | US5418773 Zoned record carrier |
05/23/1995 | US5418772 Electromagnetic objective lens driving apparatus of optical data recording and reproducing apparatus including a one-piece yoke member |
05/23/1995 | US5418770 Method of and apparatus for correcting edge interval of pit in optical recording/read-out apparatus |
05/23/1995 | US5418769 Optical head |
05/23/1995 | US5418768 Disc-shaped recording medium and apparatus for reproducing track addresses recorded on the disc-shaped recording medium |
05/23/1995 | US5418767 Detection of overusage of spare sectors in an optical disk |
05/23/1995 | US5418766 Apparatus for detecting the presence of an optical disk |
05/23/1995 | US5418765 Apparatus for recording and reproducing optical information having an optical waveguide |
05/23/1995 | US5418764 Recording device, a record carrier having preformatted address codes and auxiliary codes providing control data for use by the recording device, and an information recording system including both the recording device and the record carrier |
05/23/1995 | US5418030 Optical recording medium and method for making |
05/23/1995 | US5417899 Injection compression molding method for compact discs or the like |
05/23/1995 | US5417763 Device for applying a lacquer coating to a disc-shaped registration carrier |
05/23/1995 | US5417182 Apparatus for manufacturing a substrate means for an optical recording disk |
05/23/1995 | CA2020059C Modular ceramic igniter |
05/23/1995 | CA2017500C Recording and reproducing device |
05/18/1995 | DE4440006A1 Magneto=optical recording disc |
05/17/1995 | EP0653753A2 Disk reproduction apparatus capable of continuously varying a reproduction speed |
05/17/1995 | EP0653748A1 An optical disk and a method for recording, reproducing, and deleting information on and from the optical disk |
05/17/1995 | EP0653699A1 Apparatus and method for reproducing data from disc, method for recording data on disc, and disc |
05/17/1995 | EP0653092A1 Magneto-optical recording materials system. |
05/17/1995 | EP0617801A4 Digital sound system for motion pictures with analog sound track emulation. |
05/16/1995 | US5416809 Digital phase locked loop apparatus |
05/16/1995 | US5416766 Optical recording medium and playback method thereof |
05/16/1995 | US5416765 Optical head for use in an optical disk apparatus |