Abstract: The disk drive includes: a box-shaped exterior casing having an opening on one side face; a tray stored in the exterior casing and having a mounting face; a pickup; and a rail being a recessed portion formed on the mounting face as a path along which the pickup moves. The stopper is formed of a sheet member having a self-restoring property which allows the sheet member to return to a flat plate shape, and includes: a restricting portion; a connecting portion; and a tab portion, which are formed by folding the sheet member. When the stopper is stored in the disk drive, the stopper is disposed such that the restricting portion is disposed in the inside of the rail, the connecting portion is disposed on the mounting face, and the tab portion projects outside through a gap formed between the tray and the exterior casing.

Abstract: A data processing apparatus acquires content, generates an encryption key by using an initial value written in an unwritten memory block in a write-once recording medium, encrypts the content by using the encryption key, and writes to the write-once recording medium the encrypted content and an address table for identifying the memory block storing the initial value used for generating the encryption key.

Abstract: An audio system includes a key input section and a microcomputer, and enables playback volume level control that will meet the demand of a user. The key input section inputs a selection instruction for selecting one of a plurality of sound sources in response to a manipulation. The microcomputer 6, in cooperation with a level adjusting ratio setting library, a level adjusting pattern generator and a volume adjuster, selects the sound source designated by the selection instruction, calculates the level difference ?P between the playback volume level of the sound data of the current piece of music and that of the next piece of music of the selected sound source, and adjusts the playback volume level of the next sound data in accordance with an adjusting ratio corresponding to the level difference.

Abstract: An optical storage system includes a frame (e.g., a rack-mount drawer), an environmental assembly (e.g., a power and cooling subsystem) supported by the frame, and a set of optical storage devices coupled to the environmental assembly. Each optical storage device has a base, a storage medium (e.g., a sphere-shaped holographic data storage structure) disposed on the base, and an optical assembly coupled to the base. The storage medium has a curved surface configured to store data in a digital manner thereon. The optical assembly is configured to optically write the data to and read the data from the curved surface of the storage medium.

Abstract: An optical disk drive (ODD) disposed in the base of a notebook computer is provided. The front end of the tray of the ODD has a panel having a body with a side edge, a guide member and a fastening member. The guide member is connected to the body, and it can move relatively to the body. The guide member has a guide channel having a first end and a second end. The fastening member has a sheet structure and a guide pillar inserted into the guide channel protruding from the sheet structure. When the guide member is moved to allow the guide pillar to move from the second end to the first end along the guide channel, the sheet structure of the fastening member is driven to protrude from the side edge to be fastened to the base of the notebook computer.

Abstract: A buffer to be used with a disk drive, the buffer including a main body provided to the disk drive; one or more protrusions extending from an inner or outer surface of the main body; and one or more inner spaces corresponding to the respective protrusions; wherein the inner spaces are formed on an apposite surface of the main body to the protrusions.

Abstract: A photo-curable adhesive composition including an oligourethane acrylate in a range of about 10 to about 30% by weight, a reactive monomer-diluent in a range of about 32 to about 46% by weight, a polymeric filler in a range of about 20 to about 30% by weight, a photoinitiator in a range of about 2.5 to about 5.0% by weight, an antioxidant in a range of about 0.005 to about 0.02% by weight, a chlorinated polyvinyl chloride in a range of about 3.0 to about 10%, the chlorinated polyvinyl chloride having a chlorine content of about 62 to about 64% by weight, oxalic acid in a range of about 0.3 to about 2.0% by weight, a thixotropic agent in a range of about 0.5 to about 3.0% by weight, and a plasticizer in a range of about 1.0 to about 10.0% by weight, based on the total weight of the composition.

Abstract: Embodiments of the present invention can estimate an image using an encodement provided by an optical component, an encodement provided by a detector array, or both an encodement provided by an optical component and an encodement provided by a detector array. The original image can be encoded with a dispersed point spread function created by the optical component. The detector array can be encoded with a pixel sampling function. The encoded image is measured using the detector array. An estimated image can be calculated from the pixel sampling function and the measured image, the dispersed point spread function and the measured image, or the dispersed point spread function, the pixel sampling function, and the measured image. The number of pixels in the estimated image is greater than the number of measurements in the measured image.

Abstract: The present invention relates to determining at least one write strategy, using a write strategy model comprising first and second parameters, for recording data on a recording medium comprising, providing at least one set of randomised first parameters, (102, step 202), writing at least one test data, 104, pattern by using said at least one set of first randomised first parameters, (102), (106, step 204), reading the recorded test data pattern, (108, step 206) and calculating a set of second parameters, (114),(112, step 208), based on said read test data pattern (110) and the at least one set of first randomised parameters, (102). From the calculated set of second parameters, (114) and the real data to be recorded, 118, sets of first parameters (120) are calculated, (step 210). The real data (118) are recorded (122, step 212) by using the chosen write strategy model.

Abstract: A display control circuit incorporating a RAM in which display data is stored, comprises an oscillation circuit which oscillates a reference clock to define a transfer period in which the display data is transferred from the RAM to a display and a counter circuit which counts the number of the reference clocks, and the transfer period is determined by the number of counts of the reference clocks by the counter circuit. In addition, the oscillation circuit starts oscillation when a transfer request of the display data is generated while the oscillation is stopped, and stops the oscillation when an access request from the CPU is generated during the oscillation, and resumes the oscillation when the access request is stopped.

Abstract: A multi function recorder and printer feeds discs to be processed through a gravity feed system reducing idle time of a recorder. A drive mounting system allows easy replacement and upgrade of drives without recalibration of the system. A passive picker moves discs between components.

Abstract: The present invention relates to an optical recording and reproducing device comprising an optical pick-up unit, position means for moving roughly the optical pick-up unit with respect to a desired position on an optical disc, an actuator for moving the optical pick-up unit relative to the position means in a radial direction of the optical disc, and a servo processor for delivering a control signal (u(k)) from a measured radial error signal (x(k)) derived from the optical pick-up unit. Said servo processor further comprises: —a state estimator (SEST) for delivering an estimated radial error signal ( ) and a predicted radial error signal ( ) on the basis of the measured radial error signal (x(k)) and of the control signal (u(k)); and—a shock detector (SDET) for delivering a shock indication (S_out) on the basis of the estimated radial error signal, of the predicted radial error signal, and of a sum (CA(k)) of the signals delivered by the at least two regions of the optical sensor.

Abstract: A method and device for erasing data from an optical disc, are discussed. In an embodiment of the present invention, the area of the optical disc where data has been written is overwritten with arbitrary data using a beam spot spanning over two or more radially adjacent tracks. The beam spot can be formed by adjusting a location of an objective lens to a defocused location, and the power of the laser beam can be increased so as to maintain a certain power level. The beam spot is moved from the inner circumference of the optical disc to the outer circumference under feed-forward control over an actuator and a sled motor, in which case the beam spot may be moved sequentially toward the outer circumference in steps of beam spot size or be moved repeatedly across radially adjacent tracks in a zigzag manner by the actuator and/or the sled motor.

Abstract: Multi-drive optical disk apparatus and a method and a label for easily confirming the respective performance characteristics for the different kinds of optical disks are provided. The respective performances, such as a data transfer rate are indicated by multiple-fold speed forms, respectively. The performance indication label is affixed on one surface of the optical disk drive. The performance indication label is constructed by arranging an indication for a data reading performance from a CD-ROM disk and a DVD-ROM disk, an indication for a data writing performance to a CD-RW disk, a DVD-RAM disk, a DVD-RW disk, a DVD-R disk, and a CD-R disk, and an indication for a data writing and reading performances to and from a DVD-RAM disk in a hypothetical circle.

Abstract: A floating-type clamping mechanism includes a clamping body, a clamping yoke including a first central hole, a central clamping element for combining with the clamping yoke by passing through the first central hole, a magnetic element including a second central hole for holding the central clamping element and combining with the clamping yoke, and a plurality of elastic elements fixed at the clamping body and a clamping yoke.

Abstract: The invention provides a mutant activator of a 20S proteasome. More specifically, relates to a mutant activator comprising a mutant REG&ggr; protein that promotes the 20S proteasome to cleave protein or peptide substrates.

Abstract: A portable information processing apparatus having a disk drive device and being reduced in size and weight is presented. This portable information processing apparatus comprises a disk drive device, a disk cover, a keyboard, and a casing main body. The disk cover can be opened and closed from the casing, and the disk drive device allows part of the disk recording medium to advance beneath the keyboard when the disk recording medium is loaded into the disk drive device.

Abstract: A system provides flexibility on or with a work surface comprises a work surface which is generally planar with sides. A rotatable disk is located on or with or in the work surface such that the disk can be turned on an axis transverse, and preferably perpendicular, to the work surface. A work space area defined by the disk for accommodating a work zone is such that rotation of the disk permits the work zone to be rotated thereby to adopt different positions relative to the sides of the work surface. The work zone includes a digital working face or board, the board being permitted to move and rotate relative to the working surface under turning action by users.

Abstract: A data driver is provided that comprises: a state controller that effects transition to any of multiple states including a display ON state, a display OFF state and a sleep state, then outputs a drive control signal associated with a state of a transition destination; and a drive circuit that drive the data lines using drive power corresponding to a drive signal based on the drive control signal. When first setting data is input during the sleep state, the state controller effects transition from the sleep state to the display OFF state, and when second setting data is input during the sleep state and is followed by input of the first setting data, the state controller effects transition from the sleep state to the display OFF state, then effects transition from the display OFF state to the display ON state.

Abstract: The present invention includes a frame, an optical pick-up module fixed to the frame and a circuit board forming a control circuit fixed to the frame. The frame has fixing parts to other members.

Abstract: A data recording device to and from which a memory cartridge accommodating memory cards that are data recording media can be attached and detached is provided. According to the data recording device, it is possible to firmly connect the memory cards loaded in the memory slot to connectors and to thus improve stability against vibration. In the data recording device A to and from which the memory cartridge B accommodating the memory cards DM that are the data recording media can be attached and detached, the opening and closing door 2 is provided in the accommodating portion of the memory cartridge B of the data recording device A. A pressing mechanism for elastically supporting the memory cards CM loaded in the memory slot in the direction where the memory cards CM are loaded is provided in the opening and closing door 2.

Abstract: A control circuit for an optical record medium processing device and a method of controlling the optical record medium processing device are implemented in a computer system in both power-on and power-off status. The control circuit provides a control signal to enable the optical record medium processing device to automatically respond to the control signal and work correspondingly, regardless of whether the computer system is powered or not.

Abstract: A multiple layer data storage card for storage of machine-readable information includes an optical memory area subjected to optical information recording and reproduction, comprising, a card-like card body, an optical recording portion provided on said card body, and optionally a conventional magnetic data stripe area, and a smart card IC area. The optical memory area including an optionally pre-recorded data area and a recordable area all with pre-grooved track segment arrangement for logical data recording and retrieving.

Abstract: An audio system includes a key input section and a microcomputer, and enables playback volume level control that will meet the demand of a user. The key input section inputs a selection instruction for selecting one of a plurality of sound sources in response to a manipulation. The microcomputer 6, in cooperation with a level adjusting ratio setting library, a level adjusting pattern generator and a volume adjuster, selects the sound source designated by the selection instruction, calculates the level difference &Dgr;P between the playback volume level of the sound data of the current piece of music and that of the next piece of music of the selected sound source, and adjusts the playback volume level of the next sound data in accordance with an adjusting ratio corresponding to the level difference.

Abstract: An optical pickup in which a plate 2 provided with a photodiode 22 is bonded to an optical bench 1 through an adhesive agent layer 3 in a state in which a minute gap &agr; is maintained between the plate 2 and the optical bench 1. Circular through holes 27 are formed in advance at a plurality of portions of the plate 2. The adhesive agent layer 3 is formed as an adhesive agent injected into the through holes 27 at the plurality of portions is forced out downward through the through holes 27 and is cured in the state of having reached an upper surface 12 of the optical bench 1. The amount of the adhesive agent injected with respect to each of the through holes is controlled so as to be fixed.

Abstract: An optical system comprising a first optical unit and a first sensor unit for sensing electromagnetic radiation. The optical system also comprises a micromirror matrix unit which is arranged in the beam path between the first optical unit and the first sensor unit. The micromirror matrix unit is arranged to be able to be set in at least a first and a second state. In the first state, the micromirror matrix unit reflects incident electromagnetic radiation such that it reaches the first sensor unit. In the second state, the micromirror matrix unit reflects incident electromagnetic radiation such that it does not reach the first sensor unit. The invention also concerns a target-seeking system comprising such an optical system.

Abstract: An electronic apparatus includes an apparatus main body, a lid body turnable with respect to the apparatus main body and having a display portion for displaying information, and a lid body turnably supporting mechanism for turnably supporting the lid body with respect to the apparatus main body. The lid body turnably supporting mechanism has a first turning shaft with its axial direction extending in parallel to a principal surface of the apparatus main body, and a second turning shaft provided at one end of the first turning shaft in such a manner as to be perpendicular to the principal surface of the apparatus main body. In this electronic apparatus, the second turning shaft of the lid body turnably supporting mechanism is located at one of corners of the apparatus main body or the lid body.

Abstract: An electronic interactive system including an electronic device and a book for use with the electronic device. The electronic device includes an optical page identification system capable of autonomously identifying page identifier codes uniquely associated with each of a plurality of page spreads of the book.

Abstract: An input data recording apparatus is provided with a data inputting section 7 for inputting image data, moving data image and music/sound data; a data edit section 8 for editing to display a slide show using the inputted data; a data conversion section 9 for converting the slide show data into the data of Video-CD format or DVD-Video format that can be reproduced by the image reproducing equipment 21 such as a DVD player and a game console; and a data transfer section 10/data recording section 11 for recording the aforementioned data and application on such a recording medium as a CD-R and DVD-R, with consideration given to the order of seeking data in the equipment, in such a way that they can be reproduced by computer equipment and image reproducing equipment.

Abstract: A storage device assembly includes a storage device (40), a cover (30), a button (10) and a bracket (20). The storage device includes a tray (44). The cover defines a button slot (34) and a pair of apertures (38) therein. The bracket is removably attached to the cover, and includes a pair of resilient legs (25). A pair of latches (26) is formed on the legs of the bracket respectively. The button is received in the button slot of the cover. The button is slidable with respect to the bracket between an open position and a closed position. In the closed position, the button deforms the legs in opposite directions and drives the latches to protrude out beyond the apertures respectively, thereby locking the tray. In the open position, the legs rebound and the latches are withdrawn from the apertures respectively, and the tray can be ejected.

Abstract: A supporting disc for a supporting disc bearing of open-end spinning rotors has a disc-like base body, on whose outer circumference a tire-like covering is applied. On a front side of the supporting disc facing the operator's side of the spinning aggregate, a cylinder-shaped permanent magnet for non-contact speed monitoring is arranged at a distance from the axis of the supporting disc. For the purpose of the correction of mass imbalances, the permanent magnet is inserted into a through bore hole, which is filled out by the permanent magnet only up to a gradation of diameters which serves as a stopping surface. As the permanent magnet is arranged in the transition area between the base body and the tire-like covering, the part of the through bore hole not filled out by the permanent magnet can be filled out by the covering.

Abstract: A damper suitable for buffering minor vibration is provided. By changing the shape of the damper in its radial direction or forming a plurality of caves in the damper, the coefficient of elasticity of damper in its axial directions can be changed. Relatively, the damping power of the damper in its different axes can be adjusted. Furthermore a damper structure comprises a damper and a clamp which allows a change in the amount and the placement of the contact surface area between the damper and the clamp to adjust the damping power of the damper structure in different axes.

Abstract: In order to provide an elegantly styled portable information device in which the visibility of the time can be sufficiently ensured even when the casing of the portable information device is closed, a portable phone includes a configuration wherein an analog quartz clock is provided to an outer surface on a display side of the casing of the portable phone, which is the surface forming the outer side when the casing is closed. Moreover, the time of the analog quartz clock is synchronized with the time displayed by the display section of the portable phone.

Abstract: A unique method/system for simultaneously creating and transferring a contrasting pattern of intelligence on and from an ablation-transfer imaging medium to a receptor element in contiguous registration therewith is not dependent upon contrast imaging materials that must absorb the imaging radiation and is well adopted for such applications as, e.g., color proofing and printing, the security coding of various documents and the production of masks for the graphic arts and printed circuit industries; the ablation-transfer imaging medium, per se, comprises a support substrate and an imaging radiation-, preferably a laser radiation-ablative topcoat essentially coextensive therewith, such ablative topcoat having a non-imaging ablation sensitizer and an imaging amount of a non-ablation sensitizing contrast imaging material contained therein.

Abstract: An information recording medium is at least composed of a substrate having a microscopic pattern constituted by a continuous substrate of grooves formed with a groove portion and a land portion alternately, a recording layer formed on the microscopic pattern for recording information, and a light transmitting layer formed on the recording layer. The microscopic pattern is formed with satisfying a relation of P≦&lgr;/NA, wherein P is a pitch of the land portion or the groove portion, &lgr; is a wavelength of reproducing light for reproducing the recording layer, and NA is a numerical aperture of an objective lens. The land portion is formed with wobbling so as to be parallel with each other for both sidewalls of the land portion. An auxiliary information based on data used supplementally when recording the information and a reference clock based on a clock used for controlling a recording speed when recording the information is recorded alternately.

Abstract: A method for enhancing music signal fidelity derived from a compact disk storage media comprises exposing the encoded surface of the compact disk music storage media to a series of color fields in sequence immediately prior to playing the compact disk. Preferably the color fields correspond to light wavelength bands: 580-610 nm; 610-660 nm; 540-580 nm; 460-660 nm; and 450-460 nm, respectively.

Abstract: A method and apparatus for calculating an expected access time associated with one of a plurality of disk drive commands employs one or more neural networks. A plurality of disk drive commands received from an external source are stored in a memory, typically in a queue. Using a neural network, an expected access time associated with each of the queued commands is determined. Determining the expected access time associated with each of the queued commands involves determining a time for performing a seek and settle operation for each of the queued commands and a latency time associated with each of the queued commands. The command indicated by the neural network as having a minimum expected access time relative to access times associated with other ones of the queued commands is identified for execution.

Abstract: The record position information of broadcasts is used to evaluate the blank length from the tape head up to the record start position of the first broadcast. The blank length from the record end position of the broadcast up to the record start position of the next broadcast is evaluated. The blank lengths are compared up to the last broadcast sequentially to detect the longest blank section. The longest blank section is compared with the blank lengths from the record end position of the last broadcast up to the tape end, and the longer one is discriminated to be the blank section of the longest blank length. The maximum available record time which depends on the recording mode is calculated from the longest blank length, and it is displayed. The maximum available record time of the recording medium can readily be detected.

Abstract: An image pickup device includes a pair of first and second substrate facing each other with a vacuum space interposed therebetween, and a plurality of electron-emitting devices provided over said first substrate and a photoconductive layer provided over said second substrate. Each electron-emitting device includes an insulating layer deposited over an electron source layer formed over an ohmic electrode; and a metal thin film electrode deposited over said insulating layer. The insulating layer and said metal thin film electrode have an island region of electron-emitting section in which their film thicknesses are gradually reduced toward said electron source layer.

Abstract: An optically readable media and packaging therefor, where the media includes a material that over time undergoes at least one of a chemical change or a physical change to render unreadable the optically readable media. The media is sealed within the packaging with a source of a chemical compound that inhibits the change, and the media is also sealed within the packaging with a getter of the chemical compound that over time absorbs said chemical compound, or which a substance that over time renders unreactive a reactive chemical compound. In a further embodiment the media is sealed within the packaging with a getter of a chemical compound that promotes the change. In this case the getter absorbs the chemical compound until saturated with the chemical compound, after which the concentration of the chemical compound increases until the media is rendered unreadable. As non-limiting examples, the chemical compound may be NMP, DMF, acetone, or HCl.

Abstract: A method for enhancing music signal fidelity derived from a compact disk storage media comprises exposing the encoded surface of the compact disk music storage media to a series of color fields in sequence immediately prior to playing the compact disk.

Abstract: System and method are devised to produce an optical recording medium suitable for identification and management. A recording layer formed in the optical recording medium is irradiated with writing light by a pickup. A visible image pattern suitable for identification, management or the like is formed on the optical recording medium by generating changes in optical characteristics of a portion irradiated with light and a portion not irradiated with light in the recording layer.

Abstract: A game system includes: a changing unit for changing at least one parameter representing condition of game character in accordance with a situation of game; a storage unit for storing a plurality of music data in correspondence with the parameter; and a reproducing unit for reading out the music data corresponding to the parameter from the storage unit to reproduce game music.

Abstract: A disk drive has at least one disk for storing data. The disk drive includes at least one transducer for reading or writing data to or from the disk. The transducer is attached to an actuator which positions the transducer with respect to the disk. The actuator includes a controllable motor which is used to move the actuator and the transducer attached thereto. The disk drive also includes a ramp for off loading the transducer or for parking the transducer off of the surface of the disk. The disk drive includes a combination shock absorber and gasket that has locking tabs to keep the combination shock absorber and gasket in place during a shock or impact loading event. The combination shock absorber and gasket also can be provided with additional extensions to lessen shocks caused by flat drops. Elastomeric blocks or pads can be provided on the cover and the base to lessen shocks caused by flat drops.

Abstract: A tray is supported movably relative to a case to enable a second disk to be loaded into and unloaded from a second-disk holding recess. Positioning is performed by using second positioning holes formed through the case and tray. A turntable and a head are inserted through two second opening holes. A second-disk cartridge of thin construction, capable of holding therein the second disk in removable fashion, can be mounted in a recording/reproducing apparatus capable of mounting therein a first-disk cartridge.

Abstract: A data storage cartridge having a display for displaying the storage capacity remaining on the cartridge. The display is driven by a controller and a power cell housed within the cartridge. Electrodes along an edge of the cartridge connect with electrodes within a data storage drive and information regarding the status of the cartridge is transferred to the controller. The controller and display are powered by a rechargeable cell. Current is provided to the electrodes to recharge the cell while the cartridge is in the data storage drive.

Abstract: A cleaning disc cartridge capable of concurrently cleaning both a magnetic head of a magneto-optical disc apparatus and an optical lens thereof without causing any error in reading of a signal. A rotating disc is provided on one surface thereof opposite to a magnetic head of the apparatus with a head cleaning member and on the other surface thereof opposite to an objective lens of the apparatus with lens cleaning members. The rotating disc includes a disc body which is provided with an inventory region defined on an inner peripheral side of a lens cleaning member arrangement region, a reproduction-only region defined on an outer peripheral side of the lens cleaning member arrangement region, and an information recording and reproducing region outside the reproduction-only region.

Abstract: A lens-cleaning disc capable of efficiently removing dirt or dust on pickup lenses, equipped with a brush body comprising bristles fastened into the brush base, at a position facing the pickup lens when the disc is used, wherein the surface of the brush base may be constructed as an adhesive surface or the brush body may be placed at an angle with respect to a radial direction of the disc so that its inner end is located further forward than its outer end in the direction of rotation at all times during rotation of the disc.

Abstract: A movable shutter is provided for protecting the head of an information playback and/or recording unit when de-activated, the shutter having head-covering and head-uncovering positions which are stable positions provided by a bi-stable actuating member for the shutter. The bi-stable actuating member is linked to move the shutter at any position of relative movement between the head and the information support. A circuit including the head and the bi-stable actuating member is connected to a power source and the actuating member is operated instantaneously responsive to the unit being switched on and off so that the shutter is moved to and kept at its stable head-covering position immediately and without delay at the location where it has been interrupted upon loss of power to the head. In one embodiment a mechanical bi-stable actuating member is provided for moving the shutter to protect the head of a cassette-tape recording/playback unit.

Abstract: An object of the present invention is to provide a marking forming apparatus, a method of forming a laser marking on an optical disk, a reproduction apparatus, an optical disk, and a method of manufacturing an optical disk, capable of providing a greatly improved copy prevention capability as compared to prior known construction. To achieve this object, in the optical disk of the invention, for example, a marking is formed by a laser on a reflective film of a disk holding data written thereon and at least position information of the marking or information concerning the position information is written on the disk in an encrypted form or with a digital signature appended thereto.