William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7467394 | Recording medium drive The tray 30, which can mount both of a cartridge type recording medium and a bare-disc type recording medium, includes a placing surface 31 having a detection hole 34 for detecting information of the recording medium; a rising portion 32 ... | 12/16/2008 |
| 7461388 | Optical disk device An optical disk device including a tray in which recording mediums having differing outer diameters can be selectively mounted. The tray carries the recording media into the main body of the optical disk device wherein it is, chucked by a turntable. Holding members ... | 12/02/2008 |
| 7437743 | Optical disk drive An optical disk drive which decreases unit costs and reduces the size of a product. The optical disk drive includes a frame, a base chassis rotatably installed on the frame, a spindle motor and a pick-up device installed on the base chassis, a tray moving into and o... | 10/14/2008 |
| 7424725 | Optical disk player An optical disk player with improved opening and closing of a door, transport of a tray, and an improved pivoting structure of a chassis to pivot a turntable. The optical disk player includes: a body; a tray to move in and out of the body so as to transport an optic... | 09/09/2008 |
| 7380251 | Disk apparatus A disk apparatus comprises a slot for inserting a disk-shaped recording medium therethrough, a first guide member for guiding one side of the disk inserted through the slot, a second guide member for guiding the other side of the disk inserted through the slot, a di... | 05/27/2008 |
| 7362564 | Docking assembly for coupling a nonvolatile memory device to an electronic device An apparatus, system, and method for a tray to receive and couple a nonvolatile memory device to an electronic device disposed within a housing, are disclosed herein. ... | 04/22/2008 |
| 7350220 | Disk drive unit A disk drive unit advantageously prevents dust from adhering to a pickup. The disk drive unit has a housing and a tray. The tray reciprocates between a retracted position and a projected position. A first pickup and a second pickup have a spindle motor located there... | 03/25/2008 |
| 7340749 | Method and apparatus to detect presence of or a size of a data cartridge A media-detection system for a cartridge-receiving device may comprise, according to one embodiment, a cartridge-referencing member mounted to the cartridge-receiving device. The cartridge-referencing member is resiliently displaceable by a data cartridge received i... | 03/04/2008 |
| 7337449 | Disk drive for minimizing jamming during disk positioning A disk drive including a tray having a seating portion in which a disk or disk cartridge is seated, and an opening hole, and further having a disk cartridge holder installed on the tray to be capable of sliding, the disk cartridge holder fixing the disk cartridge to... | 02/26/2008 |
| 7322528 | Shutter apparatus of cash transaction machine A shutter apparatus of a cash transaction machine, including: a drive unit; a cam rotating body engaged with the drive unit and including a guide rail eccentric to the rotation center thereof; and a shutter including a guide projection moving along the guide rail, w... | 01/29/2008 |
| 7310804 | Apparatus to load a disc cartridge An apparatus to accommodate and load a disc cartridge in a drive includes a tray on which the disc cartridge is accommodated, a locking lever having a locking hook caught in a groove formed at a side wall of the disc cartridge when accommodated on the tray and which... | 12/18/2007 |
| 7302695 | Slot-in type optical disk player The present invention provides a slot-in type optical disk player which has a guide unit to guide an optical disk, inserted into an inlet, to a central portion of the inlet of the optical disk player, and a disk guide device to allow the optical disk player to play ... | 11/27/2007 |
| 7290269 | Disk recording and/or reproducing apparatus A plurality of switches are pressed by a single switch operating member. A disk recording and/or reproducing apparatus has a switch mechanism operable when a pair of turn arms is turned so as to be spread away from each other by a disk inserted from a disk slot. The... | 10/30/2007 |
| 7281254 | Optical disc drive having a traverse holder that is rotatable around an axis that is mutually different from the axis of a traverse base An optical disc drive includes: a tray to mount a cartridge including a disc and having a positioning hole; a chassis for supporting the tray to move in a first direction; a spindle motor; an optical head; a traverse base, which is supported on the chassis so as to ... | 10/09/2007 |
| 7281255 | Disc guiding mechanism The present invention relates to a disc guiding mechanism, having: a main body which provided with a teeth array at one side; a first sliding bar and a second sliding bar both of which are provided on the main body; a transmission element provided on the main body a... | 10/09/2007 |
| 7272838 | Loading mechanism of a disk drive A disk player device including a disk slot for inserting a disk, a disk playing space provided in an inner side of disk slot, and a turntable and a clamper for disk which are movable between a retreated position retreated from a disk play position and a disk holding... | 09/18/2007 |
| 7266053 | Tray-out control method for moving out a loading tray of an optical drive The present invention discloses a tray-out control method for moving out a loading tray of an optical drive. A first forcing function is applied to the loading tray to overcome a lesser magnetic attraction when an optical disk is placed on the loading tray. A second... | 09/04/2007 |
| 7254819 | Recording medium drive unit A recording medium drive unit includes an insertion opening through which a recording medium is inserted, a holder receiving the recording medium inserted through the insertion opening, a connector, a holder drive part moving the holder to a loading position so that... | 08/07/2007 |
| 7251817 | Disk transfer device The disk transfer device according to the present invention includes a disk tray for holding the disk during the disk transfer action and a tray driving mechanism for driving the tray forward and backward between a first position which is the retracted location of t... | 07/31/2007 |
| 7246362 | Optical disk drive allowing for horizontal or vertical installation An optical disk drive includes: a tray having first and second loading portions for respectively loading a first disk and a second disk of a smaller diameter than the first disk, the first and second loading portions having different heights, first and second inclin... | 07/17/2007 |
| 7234148 | Optical disc driving apparatus Herein disclosed is an optical disk driving apparatus for selectively driving a plurality of optical disks, comprising: a housing; and an optical disk driving unit accommodated in the housing, the optical disk driving unit including: a turntable for selectively reta... | 06/19/2007 |
| 7210149 | Disc insertion preventive device Disclosed is a disc insertion preventive device comprising a housing having a disc slot made on its front side, a generally stopper and a swinging mechanism. The stopper comprises a flat plate and front and rear blocking pieces dependent from the opposite lateral ed... | 04/24/2007 |
| 7159916 | Vehicle instrument panel assembly A vehicle instrument panel assembly includes a console provided in a center stacking area receiving one or more vehicle components including a media player. A trim bezel configured for use with the one or more vehicle components is secured to the console. An alignme... | 01/09/2007 |
| 7143422 | Slim optical disc drive A slim optical disc drive in a portable computer, includes a main body, a tray, and a front panel. The main body includes an upper frame and a lower frame. The tray is installed in the main body to be loaded and/or unloaded and includes a spindle motor to rotate an ... | 11/28/2006 |
| 7117509 | Slot-in type reproducing/recording apparatus There is provided a slot-in type reproducing/recording apparatus in which a disk ,when ejected, stops at a predetermined position in front of the apparatus to be easily handled. A stop mechanism (59) includes an engagement pin (55) formed on an eject a... | 10/03/2006 |
| 7113465 | Method of and apparatus for detecting type of disc A method and apparatus for detecting a type of a disc in a disc drive system includes measuring an elapsed time between when a disc tray is in an open state and when it completely closes, comparing the elapsed time with a predetermined reference value, and determini... | 09/26/2006 |
| 7100178 | Loading and unloading module with track plate, moving plate and guiding plate for optical disk drives A loading and unloading module for optical disk drives includes a track plate, a moving plate, a guiding plate, a guiding arm and three rollers for three-point anchoring to achieve the functions of retrieving a disc, conveying the disc and ejecting the disc to subst... | 08/29/2006 |
| 7100177 | Reproducing/recording apparatus A reproducing/recording apparatus including a first disk tray (11) for mounting a first disk thereon and a second disk tray (12) for mounting a second disk that is of a type different from the type of the firs disk thereon. The first disk tray (11 | 08/29/2006 |
| 7093270 | Reproducing/recording apparatus A reproducing/recording apparatus includes a first reproducing/recording mechanism (21) for reproducing data from and/or recording data onto a cartridge/disk combination (first disk) (1) or a bare disk (second disk) (2), the disk main body (1... | 08/15/2006 |
| 7086074 | Disk cartridge A disk cartridge is provided which, with a small number of parts, can reduce manufacturing costs and facilitate assembly. In particular, the disk cartridge can be assembled easily even if a disk medium is small-sized. Case members of a same configuration are superpo... | 08/01/2006 |
| 7027309 | Engaging/disengaging mechanism According to one embodiment, the present invention includes a first electrical connector located on a computer component and a biasing mechanism having a leverage member, such that actuation of the leverage member biases the first electrical connector between engage... | 04/11/2006 |
| 7017169 | Disk cartridge and disk recording and reproducing apparatus A disk cartridge 20 for a larger diameter, a disk cartridge 25 for a medium disk diameter, and a disk cartridge 30 for a smaller diameter contains a magneto-optical disk for a larger diameter, a magneto-optical disk for a medium diameter, and a ... | 03/21/2006 |
| 7007292 | Disk cartridge device operative with disk cartridges of different sizes and height A disk cartridge device includes first and second disk cartridges of different sizes for housing therein disks of different disk diameters and a cassette compartment onto which the first and second disk cartridges are selectively loaded, the cassette compartment inc... | 02/28/2006 |
| 6993777 | Recording medium loading apparatus A recording medium loading apparatus. When the position detection of the carrier unit 70 capable of loading different types of recording medium 11, 12, 13 is performed, switches SW1˜3 are installed on the carrier unit 70 and carrier posi... | 01/31/2006 |
| 6993776 | Disc centering device It is sought to simplify a disc centering device. Stopper portions for centering a small-size disc are provided on disc sensors, and guide portions are provided, which, when the disc sensors are moved with insertion of a large-size disc, engage with the disc sensors... | 01/31/2006 |
| 6980431 | Controlling device for controlling slot shutter A controlling device for controlling a slot shutter of a slot in a computer casing is provided for the user to operate easily and conveniently. The device includes a panel with the slot shutter, an operating button disposed on the panel and peripheral to the slot sh... | 12/27/2005 |
| 6973660 | Disk driver An object is to drive a plurality of types of disc cartridges, in different formats but with similar external dimensions. A disc drive apparatus is configured to use a single spindle motor 32 to drive a first disc cartridge 1, having a first cartridge ... | 12/06/2005 |
| 6968562 | Recording and/or reproducing apparatus A disc recorder/player that prevents foreign matter such as dust or the like from adhering to a drive shaft for assuring a highly accurate position control of the movable write and/or read unit. In the disc recorder/player, an electromechanical transducer is used as... | 11/22/2005 |
| 6968559 | Disk-positioning device The present disclosure is directed to a disk-positioning device for use in an optical disk device that can receive and position optical disks of different sizes. Embodiments of the device comprise a substrate, a locking rod having a locking extension, a right positi... | 11/22/2005 |
| 6964056 | Disk type recording and reproducing device Disclosed is a disk recording and reproduction apparatus for recording and/or reproduction of optical disks of multiple different formats impossible to record or reproduce with a single pickup. A disk recording and reproduction apparatus containing a base unit (2... | 11/08/2005 |