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7318131 CPU-containing LSI, and optical disk device and LSI device with the same  
The present invention provides a CPU-containing LSI in which software stored in an external memory is incorporated partially into a RAM and thereby the capacity of the RAM to be used can be held...
7199343 Spatial optical memory  
A device for storing photons between one and a plurality of reflected surfaces, and the storage of information, in particular in the form of digital data, being provided by creating at least one...
7181636 Method of ensuring synchronous presentation of additional data with audio data recorded on a rewritable recording medium  
A recording medium and a method and apparatus for managing data are provided. The method includes recording additional data in a data file separate from a file containing main data and recording...
7042830 Phase-change optical information recording medium, and optical information recording and reproducing apparatus and method for the same  
The present invention relates to a phase-change optical information recording medium comprising a recording layer which reversibly phase-changes between the crystalline phase and the amorphous...
7027364 Information storage apparatus using a magnetic medium coated with a wear-resistant thin film  
There is provided an information storage apparatus including recording medium and a head. The recording medium has an electrode layer, a magnetic layer that is stacked on the electrode layer, and a...
6982845 Magnetic recording apparatus and magnetic recording method  
A magnetic recording apparatus comprises a magnetic field impression unit, a current supplying unit and a controlling unit t. The magnetic field impression unit impresses a magnetic field to a...
6940667 Redundant servo pattern stamper  
A plurality of redundant sets of servo data are recorded on a magnetic hard disk. The set meeting a predetermine criteria is employed when the hard disk is assembled into a hard disk drive. The...
6904406 Audio playback/recording apparatus having multiple decoders in ROM  
An audio playback/recording apparatus includes an audio input processing section which receives analog audio data, and converts the analog audio data to digital audio data; a playback/recording...
6894857 Magnetic recording apparatus and method of designing the same  
A method of designing a thermally-assisted magnetic recording apparatus having a magnetic recording medium, a heater and a magnetic head includes, determining a stable retention time t st for...
6816330 Method for forming a magnetic pattern in a magnetic recording medium, magnetic recording medium magnetic recording device and photomask  
A method for forming a magnetic pattern in a magnetic recording medium, which includes irradiating energy beams to a magnetic recording medium having a magnetic layer on a substrate via a photomask...
6763428 Methods and systems for performing push-pull optimization of files while file storage allocations are actively changing  
A method for performing full optimization of most of the files on a volume in accordance with a composed optimization plan, is performed, including the separation of less frequently accessed files...
6741524 Thermally-assisted magnetic recording and reproducing device having an electron beam thermal source  
Electrons are directed from an electron emitter towards a magnetic recording medium to heat a recording portion of the magnetic recording medium and magnetic information is written by a magnetic...
6678237 Dual layer optical storage medium having partially reflecting layer comprising amorphous selenium  
A multi-layer optical storage medium includes a transparent substrate, a partially reflective layer, a transparent spacer, and a highly reflective layer. One pattern of data pits is provided on the...
6614730 SERODS optical data storage with parallel signal transfer  
Surface-enhanced Raman optical data storage (SERODS) systems having increased reading and writing speeds, that is, increased data transfer rates, are disclosed. In the various SERODS read and write...
RE38226 Optical disk driver and operational processing apparatus having such optical disk driver  
An optical disk driver using a top-loading mechanism is coupled to an operational processor, such as a personal computer. The term “a top-loading mechanism” means a mechanism for inserting...
6597639 Assembly suitable for writing high density data on a ferroelectric media  
The invention discloses an assembly/methodology for writing/erasing high-density data on a ferroelectric recording media. A preferred embodiment of the invention features a novel thermal near-field...
6560168 Information recording/reproducing device  
An information recording apparatus using a recording medium which holds information by reversed magnetic domains on a perpendicular magnetic recording film includes an irradiation unit for applying...
6553455 Method and apparatus for providing passed pointer detection in audio/video streams on disk media  
A method and apparatus for providing passed pointer detection in audio/video streams on disk media. The present invention sets up an audio/video stream on a disk drive, uses read and write commands...
6535463 Method and apparatus for high density recording of data on a disk, and recording medium produced thereby  
A recording medium comprising a data-recording surface is formed of plural tracks, with a respective track having a data section in which units of data are to be recorded. Only one header section...
6532125 Apparatus and method suitable for magnetic-thermal recording  
The invention discloses novel apparatus/methodology for writing/erasing high-density data on a digital recording media. A preferred embodiment of the invention features a novel thermal near-field...
6515814 Device and method for reproducing magnetic signal  
The present invention provides a magnetic signal reproducing device including heating means for locally heating a reproducing region of a magnetic recording medium, first reproducing means for...
6421750 System and method for recording digital data on glass master recording disks  
A system concept and the components integrated therein for storing useful and control information as well as feature items, general components for data flow control of all components integrated in...
6421303 MULTILAYER RESONANCE DEVICE AND MAGNETO-OPTICAL RECORDING MEDIUM WITH MAGNETIC CENTER LAYER OF A DIFFERENT THICKNESS THAN THAT OF THE COMPONENTS OF THE REFLECTING LAYERS, AND METHOD OF REPRODUCING THE SAME  
A multilayer resonance device of the invention includes regularly stacked layers each formed by alternately stacking a magnetic substance and a dielectric substance with thickness regularity, and...
6407884 Optical head with solid immersion lens and varying cross section coil  
An optical recording head is provided which includes a slider body having a leading edge. A void is formed in the slider body to receive a sphere of optically transparent material. The sphere is...
6392832 Method for using heat to record on magnetic medium and disk apparatus having temperature changing device  
A magnetic recording method using a magnetic head to record information in an information recording medium and read the information recorded on the information recording medium is such that the...
6377535 High numerical aperture optical focusing device having a conical incident facet and a parabolic reflector for use in data storage systems  
An optical focusing device for focusing an incident optical beam onto a focal plane, as a focal spot. The optical focusing device includes an incident central refractive facet upon which an optical...
6301199 Magneto-optical recording medium and recording/reproducing apparatus therefor in which recorded magnetic domains are transferred from the recording layer to the reproducing layer  
A magneto-optical recording medium which includes a reproducing layer. When a laser beam is irradiated to the magneto-optical recording medium, a magnetic domain in a recording layer is...
6295253 Magnetooptical disk unit capable of recording or reproducing signals having different domain lengths under the same conditions, signal recording method and signal reproducing method  
When recording a recorded signal consisting of "01011001110" in a magnetooptical recording medium, (1,1) corresponding to a domain of 2T is converted to (1,0,1), and (0,0) is converted to (0,1,0)...
6288980 Magneto-optical head for information reading  
The invention relates to the devices for reading the information from magnetic carriers of recording, more detailed, to magneto-optical heads for reproducing the information. The technical result...
6278667 System and method for light power control in a magneto-optical drive  
A method and system for monitoring in real-time changes in operating conditions such as temperature of a magnetic super resolution magneto-optical system which produce variations in aperture size...
6278666 Magneto-optical disk recording and reproducing device  
In the magneto-optical disk recording and reproducing device, a coil 26a, which serves as a magnetomotive force source is located in the peripheral region of the object lens 5a. A yoke 27a that is...
6233206 High density magnetic thermal recording and reproducing assembly  
The assembly of the present invention preferably writes by way of thermal near-field coupling between a thermal heater and a media. The thermal heater may comprise an atomic force microscope probe...
6183889 Magneto-impedance element, and magnetic head, thin film magnetic head, azimuth sensor and autocanceler using the same  
A magneto-impedance element, showing a change in impedance in response to an external magnetic field when an alternating current is applied, is composed of a glassy alloy. The glassy alloy is...
H001752 Single digital signal processor to record digital audio data on a magneto optical disk  
Disclosed is a recorder/editor apparatus for recording and editing digital audio data. A single digital signal processor (DSP) is used to control processing of digital audio data which corresponds...
5793743 Reading a magnetic storage medium with a probe that detects tunneling current induced in a magnetic layer by a non-ionizing light beam  
An apparatus and a method for retrieving data stored on a magnetic medium with a high resolution is described. It is characterized by measuring a tunneling current which is partly depending on the...
5717630 Magnetic memory device  
A magnetic memory device comprises: a vertically magnetic recording medium; a probe formed of an electrically conductive as well as soft-magnetic material, a pointed end of the probe faces the...
5623475 Method of inscribing and readout of information in an information storage layer  
The invention relates to a method and a corresponding device for inscribi reading, and erasing information from an information storage layer through use of an electrical field. The information...
5553036 Apparatus and method for writing and reading digital information on a magnetic memory including a superconducting material  
An apparatus and a method for writing and reading digital information on a magnetic memory are disclosed. In the apparatus, no mechanical contact between the memory and a magnetic detection means...
5446706 Optical disc, data storage and recovery  
Optical discs are contained in sleeves each of which has a magnetizable element at one edge of the sleeve where the element can be attracted to an electromagnet. The disc and sleeve combinations...
5343460 Information processing device and information processing method  
Information is recorded by providing a recording medium having a recording layer on an electroconductive substrate transmitting an electromagnetic wave and an electroconductive optical probe...
5325342 Surface-enhanced raman optical data storage system  
An improved Surface-Enhanced Raman Optical Data Storage System (SERODS) is disclosed. In the improved system, entities capable of existing in multiple reversible states are present on the storage...
5291472 Information recording and reproduction methods using oscillation medium or transducer  
High density recording systems and methods are disclosed which employ a radiation beam to form spot-like recordings in record members such as discs, tapes and cards. The angle, offset or...
5226029 Electric charge image recording medium and recording/reproducing apparatus  
An electric charge recording/reproducing apparatus for focusing an electromagnetic radiation ray containing a recording object information signal onto a photoconductive layer member (PCL) in an...
5202874 Circuit arrangement for identifying the type of an optical record carrier  
A circuit arrangement for detecting and recognizing the type of optical recording medium being scanned, in which a high pass filter is connected in series with a rectifier. The high pass filter...
5184322 Optical storage device with a stationary mass storage medium  
An optical storage device having a mass storage medium which remains stationary as data is transferred by a laser. The stationary mass storage medium permits rapid data transfer since delay due to...
5119353 Compact disc with additional memory addressable by disc player  
A compact disc (CD) or CD-ROM disc having at least one surface region containing a field of digitally encoded, reproducible data, outside of a central region of the disc is provided with a second...
5065378 System for reproducing a signal recorded in a magnetic recording medium by using a magnetostatic wave  
A magnetic record reproducing method includes the steps of bringing a magnetic film, capable of producing a magneto static wave, into intimate contact with or proximity to the recording surface of...
5050143 Device for optical reading and magnetic writing on a data carrier  
An optical reading and magnetic writing device for data on a magnetooptic recording carrier including a writing transducer (TRI) of data on the carrier disposed on a flying head (PATI), a light...
5038321 Eraseable electro-optic storage disk, method of and apparatus for recording and reading data therefor  
An erasable electro-optic storage disk for use in focused laser beam operated data handling systems comprises a semiconductor substrate with a storage layer arranged on top of it that is capable of...
5016992 Method of and apparatus for the reading of magnetically stored information  
A magnetic storage medium is read by incident polarized light and reflected outgoing light defining a common plane. The polarized incident light preferably has a polarization vector at 40° to 50°...
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