| 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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| 07/08/1997 | US5645910 Formazan-cyanine copolymers dyes for optical recording layers and elements |
| 07/08/1997 | US5645909 Laminated surface comprising grooves, lands to generate information signal by irradiating optical beam |
| 07/08/1997 | US5645908 Multi-layer optical recording device |
| 07/08/1997 | US5645907 Multilayer; recording layer, reflective layer and protective coatings |
| 07/08/1997 | CA2062041C Information processing apparatus having a floating-type head with a bevelled slider |
| 07/08/1997 | CA2054880C Information recording and reproducing device |
| 07/03/1997 | WO1997023872A1 Optical data recording/reading medium and recording method |
| 07/03/1997 | WO1997023871A1 Optical scanning device |
| 07/03/1997 | WO1997023870A1 Apparatus and methods for reading multilayer storage media using short coherence length sources |
| 07/03/1997 | WO1997023541A1 Liquid crystal polymers |
| 07/03/1997 | WO1997023463A1 Photochromic material for electro-optic storage memory |
| 07/03/1997 | WO1997023354A1 Optical recording material and optical recording medium |
| 07/03/1997 | DE19654673A1 Optical pickup device |
| 07/03/1997 | DE19654388A1 Optical scanning device |
| 07/02/1997 | EP0782134A1 Optical recording method for stabilized overwriting using laser beam intensity settings |
| 07/02/1997 | EP0782133A1 Reproducing apparatus |
| 07/02/1997 | EP0781425A1 Transfer support and method for fusing a transferable image to a digital disc |
| 07/02/1997 | EP0769188A4 Optical random access memory having folded image |
| 07/02/1997 | CN1153379A Optical pickup system capable of reading multiple number of optical disks |
| 07/02/1997 | CN1153378A Optical head tracking error detection device |
| 07/02/1997 | CN1153377A Apparatus for generating track count pulse |
| 07/02/1997 | CN1153376A Optical disk system, record power and clear power set method |
| 07/01/1997 | US5644588 Microfine light source |
| 07/01/1997 | US5644565 Optical recording medium including a plurality of diffracted grating cells |
| 07/01/1997 | US5644563 Optical pickup system |
| 07/01/1997 | US5644562 Method and apparatus for measuring and compensating birefringence in rotating disks |
| 07/01/1997 | US5644561 Method of discerning disc in compact disc drive |
| 07/01/1997 | US5644560 Three-beam detecting system phase difference detector which eliminates phase difference error |
| 07/01/1997 | US5644557 Audio data recording system for recording voice data as an optically readable code on a recording medium for recording still image data photographed by a camera |
| 07/01/1997 | US5644555 Multiple data surface magneto-optical data storage system |
| 07/01/1997 | US5644437 Optical system of optical information recording/reproducing apparatus |
| 07/01/1997 | US5644420 Light beam condensing apparatus and method of driving optical recording medium by applying the apparatus |
| 07/01/1997 | US5644416 Liquid crystal polymer film |
| 07/01/1997 | US5644413 Optical head for adjusting a positional relation between the information medium and the optical head |
| 07/01/1997 | US5643687 Magneto-optic memory medium and a method for producing the same |
| 07/01/1997 | US5643642 Polymeric metal oxide materials and their formation and use |
| 07/01/1997 | US5643356 Unsaturated ketone sensitizer bonded to radiation transorber with color, molecular includent and vehicles |
| 06/26/1997 | WO1997022968A1 Dual layer optical medium having partially reflecting gold alloy layer |
| 06/26/1997 | WO1997022900A1 Dual beam automatic focus system |
| 06/26/1997 | WO1997022649A1 Optical disk substrate |
| 06/26/1997 | WO1997022468A1 Optical recording medium having a plurality of discrete phase change data recording points |
| 06/26/1997 | DE19654229A1 Automatic gain controller for optical disc replay apparatus |
| 06/25/1997 | EP0780840A1 Optical pickup device |
| 06/25/1997 | EP0780839A2 Optical recording medium and process for production thereof |
| 06/25/1997 | EP0780838A1 Optical pickup apparatus, objective lens and converging optical system for optical pickup and optical disk apparatus |
| 06/25/1997 | EP0780708A2 Layer comprising photochromic material, manufacturing method and use of said layer |
| 06/25/1997 | EP0780688A2 Velocity detector for sled motor |
| 06/25/1997 | EP0780443A2 Pyrrolo(2,1-a)isoquinoline dyes |
| 06/25/1997 | EP0780216A2 Information recording medium, method for manufacturing the medium, and apparatus for manufacturing the medium |
| 06/25/1997 | EP0780015A1 Process for intensifying information in photo-addressable side-chain polymers |
| 06/25/1997 | CN1152801A Surface luminescene semiconductor laser with light-checking area and making process thereof and sensor using it |
| 06/25/1997 | CN1152778A Structure for supporting light-sensor |
| 06/25/1997 | CN1152772A Magnetic-optical sensor with optical store |
| 06/25/1997 | CN1152771A Record reproducing device for optical information recording medium and used lens |
| 06/25/1997 | CN1152770A Optical picker and support method thereof |
| 06/25/1997 | CN1152769A Recording and/or reproducing device and insulator |
| 06/25/1997 | CN1152768A Arrangement and method for recording information on medium or reproducing from it |
| 06/25/1997 | CN1035289C Device for applying lacquer coating to a disc-shaped registration carrier |
| 06/24/1997 | US5642346 Recording medium and reproducing apparatus thereof |
| 06/24/1997 | US5642345 Recording/reproducing apparatus including frequency modulator for frequency-modulating digital-modulated signal and frequency demodulator for frequency-demodulating signal to obtain digital-modulated signal |
| 06/24/1997 | US5642343 Magnetooptic disc apparatus and recording medium |
| 06/24/1997 | US5642342 Apparatus for controlling the rotational speed of an optical-disc |
| 06/24/1997 | US5642341 CD ROM apparatus for improved tracking and signal sensing |
| 06/24/1997 | US5642340 Device for controlling focus of an optical disk apparatus |
| 06/24/1997 | US5641879 Phthalocyanines substituted by phosphorus-containing groups |
| 06/24/1997 | US5641846 Side-group polymers, and their use for optical components |
| 06/24/1997 | US5641606 Phase-change optical disks and processes for preparing the same |
| 06/24/1997 | US5641447 Method of molding a disc substrate |
| 06/24/1997 | US5641345 Composition and method for refinishing compact disks |
| 06/24/1997 | CA2025121C Information recording and reproducing device |
| 06/19/1997 | WO1997021495A1 Device for coating disc-shaped information storage media |
| 06/18/1997 | EP0779688A1 Laser diode driving circuit |
| 06/18/1997 | EP0779622A2 Optical disk apparatus |
| 06/18/1997 | EP0779621A2 Optical disk apparatus |
| 06/18/1997 | EP0779614A1 Phase change optical recording medium |
| 06/18/1997 | EP0779613A2 Optical disk apparatus |
| 06/18/1997 | EP0779542A2 Sound recording film |
| 06/18/1997 | EP0779142A1 Cooling device of injection mold for optical disk substrate |
| 06/18/1997 | EP0778978A1 Method and apparatus for preparing labelled digital disc |
| 06/18/1997 | CN1152369A Device for optically scanning recording medium |
| 06/18/1997 | CN1152330A Ultraviolet-curing adhesive composition |
| 06/18/1997 | CN1152171A Optical pick-up driving device |
| 06/18/1997 | CN1152169A Multi-layer optical disk |
| 06/17/1997 | US5640535 Library apparatus for duplicating disks and then sorting them to easily distinguish defective disks from normally copied disks |
| 06/17/1997 | US5640383 Apparatus and method for reproducing data from a record medium |
| 06/17/1997 | US5640382 Dual layer optical medium having partially reflecting metal alloy layer |
| 06/17/1997 | US5640381 Laser power-drive circuit having a scaling DAC supplying a scaled reference signal to a plurality of scaled DAC's that supply a plurality of scaled output signals |
| 06/17/1997 | US5640380 Optical head with a translucent plate to split a light beam |
| 06/17/1997 | US5640379 Photomagnetic recording device and photomagnetic reproducing device |
| 06/17/1997 | US5640377 Rotation information detecting apparatus and method |
| 06/17/1997 | US5640376 Track kick device in a disc recording and reproducing apparatus |
| 06/17/1997 | US5640374 Magneto-optical recording medium having intermediate layer of in-plane magnetization and method of reproducing from the medium |
| 06/17/1997 | US5640285 Information recording medium encoded to enable track following |
| 06/17/1997 | US5640280 Objective lens driving device for an optical pickup |
| 06/17/1997 | US5640279 Beam splitter for optical reading and writing actuator |
| 06/17/1997 | US5639588 Multilayer; substrate, recording layer, reflective alyer and protective coatings |
| 06/17/1997 | US5639585 System for photographically recording digital data and analog soundtrack, and medium having digital data and analog soundtrack recorded thereon |
| 06/17/1997 | US5639563 Magneto-optical recording medium |
| 06/17/1997 | US5639283 Method for producing a cylindrical buff |
| 06/12/1997 | WO1997021220A1 Method and apparatus for seamless splicing of digital data streams |