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7580532 |
Multi-channel pulse width modulation apparatus
Disclosed are multi-channel PWM (Pulse Width Modulation) apparatuses and methods for modulating PCM-based multi-channel audio signals read from an optical medium into PWM-based multi-channel audio...
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7522322 |
Apparatus for dental shade measurement
An apparatus for suitable for obtaining an image of a dental structure has an illuminator member placed proximate the area to be imaged. The illuminator member has a support structure ( 30 ) for...
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7512536 |
Efficient filter bank computation for audio coding
Low-complexity synthesis filter bank for MPEG audio decoding uses a factoring of the 64×32 matrixing for the inverse-quantized subband coefficients. Factoring into non-standard 4-point discrete...
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7457227 |
Optical disc
An optical disc includes a base having a signal reading surface at a first surface; a reflective layer provided on the signal reading surface of the base; a cover layer provided on the reflective...
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7328285 |
Apparatus and method for writing information to a designated information storage medium with an allocated data storage device using a specified information recording format
A method to write information to a designated information storage medium using an allocated data storage device using a specified information recording format, whereby a previously-determined media...
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7082082 |
Apparatus for recording and playing back information from an optical disk having PEP and BCA blocks
An optical disk, a recording apparatus and playing apparatus which can record various kinds of identification information in the form of a pit train and a bar code without decreasing the data...
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6993211 |
Code reader
A parameter setting section sets a parameter stored beforehand in a parameter storage section as a parameter in an operation in an image pick-up section or an image processing section until an...
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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...
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6938121 |
Disk storage system having an electronic circuit mounted on the surface of the disk and control method thereof
The present invention provides a control method of a rotary storage medium having an electronic circuit that controls connection between an electronic circuit block and an external apparatus to...
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6873492 |
Magnetic media with readable topographical features in combination with a slider-mounted non-magnetic transducer
Magnetic patterned media comprise topographical features readable with a slider-mounted non-magnetic transducer sensitive primarily to a local aerodynamic boundary condition, in addition to a...
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6859858 |
Methods and apparatuses for content-based speed variation of an optical storage drive
An optical storage drive having a content-based drive-speed variation capability. The optical storage drive contains a drive speed lookup table that stores drive speeds corresponding to file types...
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6842417 |
Audio system
Tracks are automatically selected from plural tracks recorded on a CD and are recorded on a MD so that a total reproducing time of the tracks thus selected is within a recordable time of the MD....
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6773868 |
Method for producing recording medium, method for producing stamper of recording medium, apparatus for producing recording medium, and apparatus for producing stamper of recording medium
A recording medium manufacturing method comprises a process for forming a thermosensitive material layer 12 on a substrate comprising a recording medium or a recording medium manufacturing...
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6760280 |
Optical memory card in the form of a disk
An optical data carrier has a memory member having a radiation-transparent layer and an information recording layer adjoining it. The information recording layer has a surface with memory areas for...
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6722570 |
Smart data storage device
An insertable device, for use with electronic data processing equipment storage units, e.g., disk drives or cassette units. The device includes a housing for insertion at least partially into the...
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6671235 |
Method of and apparatus for defining disk tracks in magnetic recording media
A method of, and apparatus for, defining disk tracks in magnetic recording media. The track-writing apparatus ( 20 ) is capable of forming tracks ( 340 ) with a track width (TW) and track spaces (...
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6654547 |
DVD rental system and method
A digital versatile disc (DVD) includes a read-only ROM area in which video is previously recorded, and a readable/writable RAM area. A lender DVD apparatus writes a playback/recording control...
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6632546 |
Magneto-optical recording medium
A recording layer 6 records and stores information and comprises a plurality of layers, namely a first layer 6 a and a second layer 6 b. The first layer 6 a is made from a recording...
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6628598 |
Patterned media system
A system for reading data from recording media having topographical features readable with a slider-mounted non-magnetic transducer sensitive primarily to changes in local aerodynamic boundary...
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6622276 |
Recording medium, information reproducing apparatus and information reproducing method
A long time optical recording and repeated reproduction of multimedia information is possible. Using a printer system or printing process system, on a recording medium such as a sheet, the so-caled...
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6609841 |
Low noise optical storage system based on an optical polarimetric delay line
A system and method for achieving, while using a multimode diode laser and polarization-maintaining fibers, high signal-to-noise ratio in a magneto optical storage system. In particular, the system...
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6593014 |
Thermomagnetic recording medium, thermomagnetic recording and reproducing method, and thermomagnetic recording and reproducing device
A thermomagnetic recording medium includes a thermal change layer whose thermal conductivity is induced to change by a metal-to-insulator transition, is greater on a lower temperature side of a...
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6583945 |
Method for irreversibly write-securing a magnetic storage cartridge
A data cartridge and method for providing a write-securable storage medium that inhibits writing. The medium comprises a write-secure-type indicator in a predefined location that indicates the...
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6542444 |
Carrier card capable of storing information data in CD or DVD formats
A data carrier and a method of making the data carrier. The data carrier includes a plastic body, at least one metal layer arranged in or on the plastic body for carrying information encoded in one...
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6538961 |
Apparatus and method for recording an optical disc identification code
This invention relates to an optical disc recording apparatus, an optical disc recording method, and an optical disc, and the present invention is applied to, for example, apparatus for recording...
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6535465 |
Integrated-disk drive having an intelligent electronic circuit mounted as part of the disk
The present invention provides a drive-integrated disk (an intelligent disk (ID)) having an electronic circuit controlling an external system as a peripheral. The drive-integrated disk comprises a...
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6501718 |
Disk, recording and reproduction apparatus, and recording and reproduction method
Transfer of ancillary information, typically related to main information stored on an optical disk, to or from a storage on a disk is performed before the disk is capable of reproducing...
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6460155 |
Information reproducing system capable of manually reading an optically readable code and repeatedly reproducing voice information included in the code
A long time optical recording and repeated reproduction of multimedia information is possible. Using a printer system or printing process system, on a recording medium such as a sheet, the...
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6452874 |
Recording medium having content identification section
A recording medium is disclosed which is removably loaded in an information providing apparatus and in which content information is recorded by the information providing apparatus. The recording...
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6442658 |
Method and apparatus for improving playback of interactive multimedia works
The present invention comprises a system for delivering an interactive multimedia work from a storage device, for example a hard disk drive, a CD-ROM drive, a network server, etc. to a playback...
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6436524 |
Magneto-optical recording medium
When recording using magnetic field modulation recording, the magneto-optical recording medium which is disclosed is capable of satisfactory recording with a low magnetic field. This recording...
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6359842 |
Disc having a semiconductor memory
For providing a recording disc, on which information can be renewed by signals, such as electromagnetic waves, and further with which unnecessary vibration due to an eccentricity in center of...
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6359747 |
Hard disk patterning
Disk formatting pattern methods and apparatus are disclosed. The methods feature forming a magnetic disk format information pattern on magnetic disk media by elevating the temperature of a pattern...
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6356517 |
Optical disc with a control chip
An optical disc has a data disc, a transparent disc to enclose and protect the data disc and an annular control chip securely attached to the clamping area of the transparent disc. The control chip...
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6334815 |
Game system operable with backup data on different kinds of game machines
A game system utilizes a first game machine and a second game machine. The backup data obtained through playing a first game on the first game machine is memorized in a first game cartridge. The...
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6322181 |
Camera system including digital audio message recording on photographs
A camera system is disclosed having a sensor for sensing an image; a processor for processing the sensed image in accordance with a predetermined processing requirement, if any; an audio recorder...
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6298016 |
Recording media including auxiliary memory of different types
Promotion of effective use in accordance with different types of media, reduction in the load on users, and promotion of diversified use modes by use of media. A plurality of types of recording...
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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...
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6200673 |
Magneto-optical recording medium
A magneto-optical recording medium having a substrate and a magnetic layer composed of at least a recording layer and a supporting layer and being capable of retrieving information by utilizing the...
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6181485 |
High numerical aperture optical focusing device for use in data storage systems
A near-field optical or magneto-optical data storage system uses an optical focusing device for focusing an incident optical beam to a small size focal spot. The optical focusing device includes an...
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6178150 |
Offset optics for use with optical heads
An optical head is provided for transmission of light between a source of light and a storage location along an optical path that includes at least one offset optical element.
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6157596 |
Method for erasing rewritable optical disk using two laser beams
An optical disk apparatus of the present invention forms, in a first embodiment, two laser beams for erasure of data and irradiates the two laser beams from a single erasing head 102 so that...
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6137767 |
Optical disk memory content display apparatus, system and display control method
An optical disk memory content display device, system and display control method are disclosed which are capable of more quickly retrieving an index of a data for a CD-RAM. An integrated circuit...
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6131138 |
Variable speed compact disc drive including an elastic buffer
The present invention provides an improved disc drive. In one embodiment of the present invention a disc drive capable of spinning a disc, which contains more than one type of data is disclosed. A...
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6104677 |
Recording medium recording apparatus and method and recording medium
A recording medium recording apparatus includes data input means for inputting data to be recorded on a recording medium, data recording means for recording the data onto the recording medium,...
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6100919 |
Film image reproduction apparatus utilizing apparatus illumination characteristics for film image reproduction
A film image reproducing apparatus for reproducing images recorded on successive frames of a film includes: an illuminator which illuminates the film; a detector which detects an illuminating...
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6096444 |
Magneto-optical recording medium capable of double mask readout
A magneto-optical recording medium of a three-layered structure (consisting of a readout layer, an intermediate layer, and a recording layer), capable of double-mask magnetically-induced...
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6094405 |
Initialization method for phase change type recording medium
In a first step, a phase change recording film is irradiated with a laser beam at two different power levels provided alternately, one being such as to cause fusion of the phase change recording...
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6084850 |
Method for optical data storage and optical data storage media
In a method for optical data storage with high density, there are employed as the data carrying medium a number of flat, thin memory components in the form of cards or discs. Two or more of the...
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6058498 |
Dot code and information recording/reproducing system for recording/reproducing the same
A long time optical recording and repeated reproduction of multimedia information is possible. Using a printer system or printing process system, on a recording medium such as a sheet, the...
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