Patents
Patents for G11B 9 - Recording or reproducing using a method or means not covered by one of the main groups; Record carriers therefor (3,522)
04/1989
04/25/1989CA1253196A1 Vacuum system for a charged particle beam recording system
04/20/1989WO1989003510A1 Analyzer
04/20/1989DE3822099A1 Effecting accurate micro-manipulating
04/11/1989US4820394 Phase changeable material
04/05/1989EP0309639A2 A method of automatically evaluating the quality of an audio-video program recorded on a recording medium
04/04/1989US4819206 Optical recording system
03/1989
03/29/1989EP0309236A2 Microprobe, preparation thereof and electronic device by use of said microprobe
03/29/1989EP0308537A1 Sensor for converting a distance to optical and further to electrical energy, and surface scanning apparatus using same
03/28/1989US4817053 Apparatus for storing and retrieving information using an electron beam
03/15/1989EP0307211A2 Memory reading device
03/15/1989EP0307210A2 Memory writing apparatus
03/01/1989EP0305033A2 Recording device and reproducing device
03/01/1989EP0304893A2 Encoder
02/1989
02/21/1989CA1250365A1 Process for reading-out information from electrically polarizable data carriers by means of electron beams
02/14/1989US4805145 Method for recording and reproducing information
01/1989
01/24/1989US4800526 Memory element for information storage and retrieval system and associated process
01/18/1989EP0299366A2 Method for the modification and addressing of organic films in the molecular field
01/03/1989US4796098 Banded and interleaved video disc format with duplicate information stored at different disc locations
12/1988
12/28/1988EP0296716A2 Data storage device having a phase change memory medium reversible by direct overwrite and method of direct overwrite
12/07/1988EP0293480A1 Three-dimensional video disc record, a recording apparatus therefor and a reproducing apparatus therefor
11/1988
11/30/1988EP0292519A1 Process and device for generating material structures of atomic dimensions.
11/29/1988US4788672 Method and apparatus for controlling renewal of data in optical disc memory
11/29/1988US4788426 Electronic read/write system
11/29/1988CA1245763A1 Phase changeable material
11/22/1988US4786922 Electron beam recording and reproducing apparatus
11/17/1988EP0291057A2 Method and means for reading electronic signal patterns stored on a movable image recording surface
11/17/1988EP0290648A1 Atomic force sensor head for investigating the topography of a surface
11/15/1988US4785437 Process for reading-out information from electrically polarizable data carriers by means of electron beams
11/09/1988EP0289642A1 Erasable electro-optic storage disk
11/02/1988EP0289277A2 An electron beam head
11/02/1988EP0289221A2 Electron beam addressible recording devices
10/1988
10/11/1988US4776935 Mixing with vinyl chloride resin
10/04/1988US4775608 Generation of capacitive servo patterns on magnetic storage disks
09/1988
09/21/1988CN88100800A Raolical polymerizable composition
09/20/1988US4773059 Information recording and reproducing apparatus having recording medium made of alloy which has at least two different crystalline structures in its solid state
08/1988
08/31/1988EP0280173A2 Radical polymerizable composition
08/30/1988US4767486 Method of manufacturing an electrostatic capacitance type information signal recording medium
08/16/1988US4764818 Electron beam memory system with improved high rate digital beam pulsing system
08/02/1988US4761775 Optical disc using tracking and clocking prepits and address prepits between adjacent ones of the tracking and clocking prepits, and an optical apparatus using such a disc
07/1988
07/27/1988EP0275881A2 Method for writing or reading information in electrically polarizable layers by using a scanning tunnelling microscope
07/26/1988US4760567 Electron beam memory system with ultra-compact, high current density electron gun
07/19/1988US4758307 Method of manufacturing a data storage medium
07/12/1988US4757490 Modulation abnormality detector for optical sound-recording system
06/1988
06/29/1988EP0272935A2 Recording device and reproducing device
06/22/1988EP0271900A2 Device, method and apparatus for optical modulation
06/16/1988WO1988004470A1 Process and device for generating material structures of atomic dimensions
06/08/1988CN87104189A Thermally readable surface characterisation arrangement and method and apparatus for temp. activation thereof
05/1988
05/31/1988US4748592 High density
05/24/1988US4746991 Recording characteristic evaluation of a recording medium with a time sequence of test signals
05/19/1988WO1988003735A1 Three-dimensional video disc record, a recording apparatus therefor and a reproducing apparatus therefor
05/19/1988DE3638838A1 Recording carrier and process for writing, reading and erasing information in this carrier
04/1988
04/27/1988EP0265245A2 Method of erasable recording and reading of information
03/1988
03/24/1988WO1988002180A1 Differential pressure electron beam system, method and gun
03/15/1988US4731754 Erasable optical memory material from a ferroelectric polymer
02/1988
02/25/1988WO1988001424A1 Electron beam memory system with ultra-compact, high current density electron gun
02/24/1988EP0256111A1 Electron beam memory system with improved high rate digital beam pulsing system
02/24/1988EP0256110A1 Apparatus and method for increasing storage capacity of recording media.
02/10/1988EP0255542A1 Electron beam memory system with ultra-compact, high current density electron gun
02/09/1988US4724444 Data storage medium
02/09/1988US4723903 Stamper for replicating high-density data recording disks
02/02/1988CA1232352A1 Capacitive sensing employing thin film inductors
01/1988
01/28/1988DE3724617A1 Recording medium and method of carrying out recording/reproduction using the recording medium
01/27/1988EP0254124A2 Electron beam memory system
01/19/1988CA1231527A1 Information recording and reproducing apparatus
12/1987
12/29/1987US4716063 Transfer layer is composed of unsaturated cycloacetal compound, mercapto compound, and (meth)acrylic ester
12/23/1987EP0249917A2 Thermally readable, surface-characterizing arrangement, and method and device for its temperature activation
12/16/1987EP0249214A2 Electrophotographic image recording system
12/16/1987EP0249199A1 Optoelectronic signal recording medium and method of making same
12/02/1987EP0247219A1 Direct access storage unit
11/1987
11/11/1987EP0244424A1 Reduction of deflection errors in e-beam recording
11/04/1987EP0243976A2 Method for recording, reproducing and erasing information and thin film for recording information
10/1987
10/21/1987EP0241934A2 Ultrahigh-density recording system utilizing focused beam
10/20/1987CA1228416A1 System for playing back a programme recorded on a disc-shaped record carrier
10/13/1987US4700198 Process for recording information by irradiation of, an deposition on, a substrate
09/1987
09/29/1987CA1227571A1 Optical recording by energy-induced fractionation and homogenization
09/24/1987WO1987005737A1 Electrochromic data recording systems
09/17/1987DE3607932A1 Data store, and process for producing a data store and a probe for information input and removal as well as erasure
09/09/1987EP0235592A2 Electron beam recording and reproducing apparatus
09/01/1987CA1226376A1 Electron beam enhanced surface modification for making highly resolved structures
08/1987
08/19/1987EP0232880A2 Medium for irreversible information storage as well as process for its realization
08/13/1987WO1987004846A1 Electron beam memory system with ultra-compact, high current density electron gun
08/13/1987WO1987004845A1 Electron beam memory system with improved high rate digital beam pulsing system
08/13/1987WO1987004838A1 Apparatus and method for increasing storage capacity of recording media
08/12/1987EP0231858A2 Device for reversible optical data storage
08/12/1987EP0231857A2 Reversible, optical data storage method
07/1987
07/01/1987EP0227395A1 Method for recording and reproducing information
06/1987
06/09/1987US4672578 Method of information recording on a semiconductor wafer
05/1987
05/26/1987US4668609 Reduction of deflection errors in E-beam recording
05/05/1987US4662835 Apparatus for manufacturing information storage mediums
04/1987
04/23/1987WO1987002481A1 Reduction of deflection errors in e-beam recording
03/1987
03/24/1987US4653024 Projected beam switching
03/17/1987US4651171 Vacuum system for a charged particle beam recording system
03/17/1987US4650735 Master disk with metal peel, readable with optical beam
03/10/1987US4649517 Information holding device
03/04/1987EP0212705A1 Record carrier for an electron beam
03/03/1987US4648087 Capacitive sensing employing thin film inductors
02/1987
02/24/1987US4646284 In vinyl chloride resin
02/24/1987US4646282 Stylus for capacity change detection type disc system
02/03/1987US4641204 Recording and reproducing system for recording both analogue and digital information on and from a disc
01/1987
01/27/1987US4639908 Inorganic powder stabilizers; calcium hydroxide, aluminum magnesium carbonate, hydrotalcite
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