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| Number | Title | Issue Date |
| 7363333 | Recording method, recording apparatus, and recording medium The present invention is a recording method for recording data to a disc shaped record medium 10 corresponding to a hierarchical file system, the method comprising the steps of recording management information for managing a hierarchical structure of the file... | 04/22/2008 |
| 7342870 | Position adjustment apparatus, optical pickup apparatus and position adjustment method A chuck portion provided to keep a fixed positional relation with respect to a housing, holds a light source unit detachably. This chuck portion is displaced from an advanced position to a retracted position to displace the light source unit which is in a provisiona... | 03/11/2008 |
| 7327486 | Printing device with reader for removable media storage container A printer has a removable media storage container reader and detects data in a file in a memory of a removable media storage container. The printer is capable of printing a report of the data upon detection without a user intervention. ... | 02/05/2008 |
| 7296281 | Eddy attenuating apparatus for an optical pickup assembly and disc drive adopting the same An optical pickup assembly having: a pickup base; an actuator installed in the pickup base, and having a blade, on which an objective lens to radiate light onto a disc is mounted; a cover, installed to surround the actuator, and regulating a range of movement of the... | 11/13/2007 |
| 7295302 | Use of laser reflection pickup unit for detection of small particles on a relatively smooth and reflective surface A method and apparatus for detecting stray particles upon a relatively smooth surface by measuring the amount of collimated light reflected from the surface from clear areas of the surface and from particles resting on the surface. Optical pick-up units similar to t... | 11/13/2007 |
| 7272102 | Ridge waveguide with recess A ridge waveguide having a recessed ridge forming an isolated tip at a terminal end of the waveguide's aperture efficiently couples light into a spot adjacent to the tip in a medium below the terminal end of the waveguide which is significantly smaller than the ligh... | 09/18/2007 |
| 7209429 | Data recording device comprising micro-tips and a recording medium The invention relates to a data recording device comprising microtips and a recording medium. The recording medium comprises a substrate with a preferably-carbon resistive layer disposed thereon, said resistive layer being covered with an active layer. According to ... | 04/24/2007 |
| 7151250 | Probe with hollow waveguide and method for producing the same A probe for detecting light or irradiating light comprises a cantilever supported at an end thereof by a substrate, a hollow tip formed at a free end of the cantilever, a microaperture formed at the end of the tip, and a hollow waveguide formed inside the cantilever... | 12/19/2006 |
| 7143201 | Externally accessible playback apparatus and method A playback apparatus including a playback unit which plays back audio information and the like, an accommodation unit which accommodates a detachable recording medium, and a controller. The controller causes the playback unit to access to the recording medium throug... | 11/28/2006 |
| 7130254 | Reproduction or recording apparatus for different optical recording media The invention relates to a reproduction or recording apparatus for different optical recording media, which differ for example with regard to their storage density, are scanned by different means and have a photodetector arrangement that is jointly used for the diff... | 10/31/2006 |
| 7102992 | Contact optical head for data storage Techniques and devices based on contact optical heads in optical storage devices and systems. In one implementation, a load actuator is provided in an optical storage device and is operable to apply a force to cause the optical head to contact the optical disk at a ... | 09/05/2006 |
| 7097110 | Temperature compensation systems and methods for use with read/write heads in magnetic storage devices Disclosed herein are methods and systems for sensing and controlling the temperature of a resistive element configured for use in a read/write head of a magnetic data storage device. In one embodiment, a method includes detecting a voltage across the resistive eleme... | 08/29/2006 |
| 7077316 | All-in-one integrated memory card reader The present invention is an integrated memory card reader. It relates to a card reader with connecting terminals arranged in layered style to accommodate the insertion of distinct specification memory cards. By way of integrating chip, connecting terminals, and layo... | 07/18/2006 |
| 7054255 | Near field information recording/reproduction apparatus having waveguide with reflection surface A near-field optical head has a minute structure formed in the support member for interacting with a recording medium via near-field light. An optical waveguide is provided on the support member for guiding light between a light source and the minute structure. The ... | 05/30/2006 |
| 7042826 | Optical pick-up apparatus achieving high numerical aperture, optical converging system therefor, and recording and/or reproducing method utilizing them An optical pickup apparatus for recording and/or reproducing information for an optical information recording medium having a plurality of information recording layers, comprising: a light source to emit a light flux; and a converging optical system to converge the ... | 05/09/2006 |
| 7039926 | Optical disk apparatus with fine tracking mechanism An optical disk apparatus includes an objective lens system for producing a beam spot on an optical disk, a slider movable relative to the optical disk, and a fine tracking mechanism for shifting the beam spot in a radial direction of the optical disk. The objective... | 05/02/2006 |
| 7009487 | Fabrication of nano-scale temperature sensors and heaters The method for the fabrication of nano scale temperature sensors and nano scale heaters using focused ion beam (FIB) techniques. The process used to deposit metal nano strips to form a sensor is ion beam assisted chemical vapor deposition (CVD). The FIB Ga+ | 03/07/2006 |
| 6947364 | Detecting track jumps during reading or writing of data on an optical disk In use of an optical disk such as a Digital Versatile Disk (DVD) it is sometimes desirable to detect if a track jump occurs as quickly as possible after the occurrence. The optical disk format includes a pre-groove track structure which provides the frame work upon ... | 09/20/2005 |
| 6920104 | Near field optical recording device A near field optical recording device for recording or reproducing information by making a near field light incident on a recording medium, in which an air induction channel is formed extended from an outside to a collective lens at a head slider where the collectiv... | 07/19/2005 |
| 6757235 | Assembly suitable for reading data based on thermal coupling An assembly suitable for reading data based on thermal coupling. The assembly can realize resolution/density specifications that can transcend diffraction limited focused laser beam techniques. The assembly includes a temperature sensor supported by a head-like stru... | 06/29/2004 |
| 6704096 | Exposure apparatus and exposure method In an exposure apparatus and an exposure method, a disc master to be used in the preparation of an optical disc is applied to an exposure device, making it possible to perform exposure on a disc master for an optical disc which is substantially improved i... | 03/09/2004 |
| 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 conditions.... | 09/30/2003 |
| 6081499 | Magneto-optical data storage system having an optical-processing flying head A magneto-optical (MO) data storage system has a flying optical head supported over a MO storage medium, the flying head having channels or grooves formed therein and optical elements disposed within the grooves for directing an incident light beam to the... | 06/27/2000 |
| 6061322 | Optical storage system having optical head with a solid immersion lens and operating on media with at least two recording layers A system for reading or writing data from or to a bilevel optical recording medium with a flying head. The system includes a head having a slider and a solid immersion lens mounted at least partially within the slider. The solid immersion lens has a parti... | 05/09/2000 |
| 5936928 | Multilayer media and use with flying head having solid immersion lens A system for reading or writing data from or to a bilevel optical recording medium with a flying head. The system includes a head having a slider and a solid immersion lens mounted at least partially within the slider. The solid immersion lens has a parti... | 08/10/1999 |
| 5881042 | Flying head with solid immersion lens partially mounted on a slider A head for a disk drive for reading data from and/or writing data to an optical recording medium, having a slider with a channel surface and an air-bearing surface, an optical clear path through the slider, a solid immersion lens mounted at least partiall... | 03/09/1999 |
| 5668970 | Method and apparatus for generating a file allocation table for a storage medium with no file allocation table using file storage information In a typical storage medium, such as a magnetic hard disk, there is a file allocation table (FAT) stored thereon which is referenced each time the medium is accessed. Many data processing mechanisms rely on the existence of this FAT for accessing the medi... | 09/16/1997 |
| 5646927 | Packaged photographic film with a plurality of liquid crystal recording regions A packaged integrated information recording system has a plurality of information recording media radially arranged on a disk substrate. Each of the recording media comprises a liquid crystal recording medium including a liquid crystal-polymer composite l... | 07/08/1997 |
| 5483514 | Optical information recording and/or reproducing apparatus In an optical information recording and/or reproducing apparatus, information is recorded by applying a beam of light to an optical recording medium and/or the recorded information is reproduced by receiving the reflected light of a beam of light applied ... | 01/09/1996 |
| 5481521 | Information recording and reproducing apparatus utilizing a tunneling current or interatomic forces An information recording and reproducing apparatus for reproducing information recorded on a recording medium by two-dimensionally scanning the surface of the recording medium with a probe electrode includes a detector to detect data indicative of the sur... | 01/02/1996 |
| 5446857 | Method and apparatus for writing files on nonerasable storage medium Method and apparatus for writing data to files from a computer system to a Write Once Read Many (WORM) Disc medium which results in a creation of an ISO 9660 standard disc is disclosed. The method and apparatus each efficiently manages writes to WORM medi... | 08/29/1995 |
| 5428594 | Magneto-optic recording method and apparatus utilizing a two-state modulated light beam A magneto-optic recording method and a magneto-optic recording apparatus in which a magneto-optic overwritable medium having two layers, which layers have different coercive force--temperature characteristics and are coupled by exchange interaction, is he... | 06/27/1995 |
| 5426629 | Recording and/or reproducing method for an optical disc A recording and/or reproducing method for using an optical disc in the recording or reproduction data on or from the optical disc in predetermined data-length units. In a recording operation, the recording and/or reproducing method includes the step of di... | 06/20/1995 |
| 5351229 | Tribo-attractive contact slider for an optical read/write system An optical recording system in which the optical head is operated in physical contact with the surface of the optical recording medium during system operation at a selected operating speed. The optical head includes one or more optical elements mounted on... | 09/27/1994 |
| 5280466 | Optical disc and apparatus for reproducing signals recorded on the same An optical disc is provided with: a signal track formed on a signal recording surface of the optical disc; and a plurality of cross-talk detection areas each formed on a portion of the signal track and including pits for detecting a cross-talk. The signal... | 01/18/1994 |
| 5276671 | Control apparatus of laser diode A laser diode having a cathode connected to the ground side of a positive power source and an anode connected to the plus voltage side of the power source through a control circuit. A maximum current to drive the laser diode is supplied to the laser diode... | 01/04/1994 |
| 5272688 | Apparatus for writing and/or reading information on and/or from optical card An apparatus for writing and/or reading information on and/or from an optical card including an optical head having a light source for emitting a light beam and an objective lens for projecting the light beam onto the optical card, a first VCM for driving... | 12/21/1993 |
| 5265085 | Simultaneous MO and ROM optical disk signal detection A circuit for simultaneously detecting both MO and ROM signals reflected from an optical disk so that both signals are present and useable without switching from one to the other. The circuit eliminates switching time and switching transients. Two photode... | 11/23/1993 |
| 5265083 | Portable disc player A portable disc player has a casing. In the casing, there are enclosed: disc rotation driving means for rotating an optical disc; an optical head which is arranged so as to be movable in the radial direction of the optical disc; a signal processing sectio... | 11/23/1993 |
| 5212680 | Mass storage device employing array of transducers "cocked" in relation to reciprocal movement axis A mass storage device includes a media sheet supported on a substrate for storing digital data bit manifestations and a planar, integrated array of transducers arranged in rows and columns. The array is mounted in registration with the substrate, and its ... | 05/18/1993 |
