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)
10/1986
10/22/1986	EP0198655A2 Optical heads
10/22/1986	EP0198140A2 Optical data storage medium having chromophore/polymer coordinated information layer
10/22/1986	CN86102881A Record carrier and apparatus for mfg. the same
10/21/1986	US4618561 Monomolecular record memory medium with photosensitive diazonium salt
10/21/1986	CA1213051A1 Apparatus for reading an optical record carrier
10/21/1986	CA1213050A1 Apparatus for recording and/or reading information by means of a radiation beam
10/21/1986	CA1213049A1 Apparatus for controlling the write beam in an optical data recording system
10/21/1986	CA1213048A1 Apparatus for recording and/or reading information on an optically readable disc
10/21/1986	CA1213047A1 Method for the storage on and the reproduction from an optically readable record carrier, record carrier for use in the method and apparatus for use in the method
10/21/1986	CA1213046A1 Servo apparatus and flaw detecting apparatus therefor for optical disc player
10/21/1986	CA1213045A1 Method of recording a digital information signal on a record carrier having a radiation-sensitive information layer, apparatus for carrying out the method, and optical record carrier provided with such a digital information signal
10/15/1986	EP0197666A2 Optical information-reproducing apparatus
10/15/1986	EP0197590A1 Disc-shaped data carrier and method to manufacture the same
10/15/1986	EP0197256A2 System and method for recording digital information
10/15/1986	EP0197159A1 Optical disc player
10/14/1986	US4617654 Matrix circuit for optical disc systems
10/14/1986	US4617646 Electric field gradient excited liquid crystal cell having bistability
10/14/1986	CA1212766A1 Tracking control arrangements for use in optical disc players
10/14/1986	CA1212765A1 Optical disc players
10/14/1986	CA1212764A1 Tracking servocontrol circuits for use in an optical reproducing apparatus
10/14/1986	CA1212763A1 Optical writing-reading head for an optical disk and an optical device associated with such a head
10/14/1986	CA1212762A1 Method and apparatus for recording digital signals on an optical disc
10/14/1986	CA1212761A1 Disc players
10/14/1986	CA1212756A1 Method for data transmission
10/09/1986	WO1986005914A1 Tracking error detecting apparatus for optical disks
10/09/1986	WO1986005906A1 Printed data strip including bit-encoded information and scanner control
10/09/1986	WO1986005902A1 Optical reader for printed bit-encoded data and method of reading same
10/08/1986	EP0196748A1 Information recording medium and manufacturing method thereof
10/08/1986	EP0196691A1 Electro-optical device
10/07/1986	US4616356 Aperture compensation signal processor for optical recording
10/07/1986	US4616355 Optical head device
10/07/1986	US4616354 Tracking control arrangements for use in optical disc players
10/07/1986	US4616238 Information recording medium of air-sandwich structure
10/07/1986	US4616237 Data storage medium
10/07/1986	US4615969 Method and apparatus for making a stamping master for video disk replication
10/07/1986	US4615967 Optical information storage material
10/07/1986	US4615753 Process for making a video record disc
10/07/1986	US4615585 Optical focusing device
10/01/1986	EP0196166A1 Signal selecting circuit
10/01/1986	CN85102329A Optical system drive for optical recording/reproducing apparatus
09/1986
09/30/1986	US4615023 Beam access apparatus for optical disc system
09/30/1986	US4614951 Optical change through absorption of electromagnetic radiation
09/30/1986	US4614863 Optical signal processing system with variable gain stage of servo system controlled by output of environmental condition sensor
09/30/1986	US4614705 Under layer of radiation-cured diacrylate; solvent resistance
09/25/1986	WO1986005621A1 Two-sided optical recording medium
09/25/1986	WO1986005620A1 Data registration medium
09/25/1986	WO1986005505A1 Polymeric dyes
09/25/1986	WO1986005504A1 Polymeric cyanine dyes
09/24/1986	EP0195720A2 Ventilation arrangement for use in an optical recording disc
09/24/1986	EP0195657A2 Optical pickup
09/24/1986	EP0195606A2 Optical head in an optical memory device
09/24/1986	EP0195532A1 An information recording medium
09/24/1986	EP0195192A1 Optical systems employing ovate light beams
09/23/1986	US4613967 Disc player
09/23/1986	US4613966 Sealed encapsulation for floppy disk using centrifugal force to flatten disk
09/23/1986	US4613965 Digital audio disc system
09/23/1986	US4613964 Optical information processing method and apparatus therefor
09/23/1986	US4613963 Tracking-servo device
09/23/1986	US4613962 Tracking device with linear motor
09/23/1986	US4613961 Optical reader with a limiter in the tracking or focus error servo control loop
09/23/1986	US4613916 Information storage disk transducer position control system requiring no servo pattern on the storage disk
09/23/1986	US4613876 Laser recording system
09/23/1986	US4613769 Direct current coupled peak to peak detector circuit
09/23/1986	US4613751 Conveyor system for disc magazine having an identifier disc
09/23/1986	US4613519 Generating defects in chargecollection device
09/23/1986	US4613212 Objective lens for optical disk
09/23/1986	US4613202 Support structure for electromechanical transducer
09/17/1986	EP0194798A1 Optically functional elements
09/17/1986	EP0194747A2 Optical information storage based on polymeric dyes
09/17/1986	EP0194640A2 Information recording and reproducing apparatus
09/16/1986	US4612437 Focussing error detecting apparatus for use in an optical disc reproducing device, an auto-focus camera or image-pickup device
09/16/1986	US4612271 Photosensitive composition comprising azo compounds
09/16/1986	CA1211570A1 Method of coding a sequence of blocks of binary data bits into a sequence of blocks of binary channel bits, arrangement for demodulating the data bits coded in accordance with the method, and recording medium having an information structure containing
09/16/1986	CA1211559A1 Optical readable storage disc
09/16/1986	CA1211558A1 Optically readable disc
09/12/1986	WO1986005310A1 System to ascertain the scanning speed of audio discs with contactless scanning
09/12/1986	WO1986005308A1 Circuit arrangement for a playback device for audio or video discs
09/12/1986	WO1986005307A1 Circuit for an audio and/or video disk playback device
09/12/1986	WO1986005306A1 Process and circuit arrangement for focussing a light beam onto an optical recording medium
09/12/1986	WO1986005286A1 Efficient holograms and method for making same
09/10/1986	EP0194115A2 Portable laser diode scanning head
09/10/1986	EP0193961A2 Information selection device of disc player
09/10/1986	EP0193931A2 Optical high density recording mediums, method for making same and method for recording optical information in the medium
09/10/1986	EP0193892A2 Optical recording medium
09/10/1986	EP0193774A1 Camphor-di-thiolene-complexes and their use
09/10/1986	EP0193614A1 Disk-shaped record carrier
09/09/1986	US4611318 Method and apparatus for monitoring the storage of information on a storage medium
09/09/1986	US4611317 Optical disk apparatus
09/09/1986	US4611316 Actuator operating center detecting circuit and optical disk apparatus with the detecting circuit
09/09/1986	US4611315 Optical disk apparatus and track access method therefor
09/09/1986	US4611314 Method for accessing to a rotating record medium and an access control system
09/09/1986	US4610515 Objective lens for an optical disc
09/03/1986	EP0193388A2 Optical recording and information elements
09/03/1986	EP0193381A1 Interferometer
09/03/1986	EP0193370A2 Fluorinated polyacrylates and polyacrylamides having a controlled cross-linking degree, and process for preparing same
09/03/1986	EP0193334A2 Optical cards and processes for preparing the same
09/03/1986	EP0192878A1 Magneto-optical recording medium and manufacturing method thereof
09/03/1986	EP0192778A1 Optical recording medium
09/03/1986	CN86102216A Electro-optical device
09/02/1986	US4609948 Apparatus to control time base fluctuation in a signal from a device for reproducing recorded information from a recording disc

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