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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 7281253 | Recording or reproducing apparatus to which recording medium is detachably attached A tray for transporting a recording medium toward or away from a connector is provided with an auxiliary tray coupled thereto, and the auxiliary tray has a pusher for pressing the recording medium as placed on the tray against the connector. A chassis is provided wi... | 10/09/2007 |
| 7257826 | Disk changer A disk changer for CD and DVD disks including a rotatable platter with several slots each adapted for receiving a disk generally needs two optical sensors. The first sensor is adapted for detecting the number of a related slot of the platter and for providing a stop... | 08/14/2007 |
| 7051985 | Drawer device A drawer device or container holder includes a member disposed in a closed position to be able to draw into an open position, a driving device attached to the member to move the member between the closed position and the open position, and a sensing device for sensi... | 05/30/2006 |
| 7020886 | Optical disc changer An optical disc changer having a main body, a tray slidably installed in the main body, a roulette rotatably installed at the tray to accommodate a plurality of optical discs, an optical pickup device to selectively reproduce one of the optical discs accommodated on... | 03/28/2006 |
| 6977872 | Disk changer The invention provides a disk changer wherein a disk can be replaced between different accommodation portions of a rotatable tray. The disk changer includes a rotatable tray having a plurality of annularly arranged accommodation portions, a tray rotating mechanism, ... | 12/20/2005 |
| 6958970 | Disk player A disk player which can insert and extract a disk, while a disk is being played, into and out of a compact body. During a movement in which one of disk trays is being moved from a disk standby position to a disk playing position, the disk comes into engagement with ... | 10/25/2005 |
| 6845415 | Computing system capable of controlling disk loading and disk unloading operations of an optical disk drive A computing system is adapted for use with an optical disk drive, and includes a motherboard and a control key. The motherboard is adapted to be coupled electrically to the optical disk drive. The control key is coupled electrically to the motherboard, and is operab... | 01/18/2005 |
| 6633518 | Disk recording and/or reproducing apparatus having a movable tray A disk recording and/or reproducing apparatus recording and/or reproducing information on and/or from anyone of a plurality of disk-like recording mediums. Freedom in design is improved by effectively utilizing spaces in which respective portions and mech... | 10/14/2003 |
| 6618332 | Carousel type changer A carousel type changer includes a disk reproducing section (a pickup 62 and so on) which is provided on a tray 21 and adapted to clamp a disk held on a disk holding part 34b and to reproduce the clamped disk, and a disk recording section (a pickup 52 and... | 09/09/2003 |
| 6151279 | Single motor disc player with a Geneva mechanism There is provided a disc player which comprises a base section, a loading section linearly movably mounted on the base section, a rotary tray rotatably mounted on the loading section for receiving a plurality of discs, a driving motor provided in the load... | 11/21/2000 |
| 6045041 | Cassette managing system Cassette managing data is read or written with a cassette accommodated in its bin. Cassettes 2a, 2b, 2c, and so on are attached at particular positions thereof to IC cards 1a, 1b, 1c, and so on respectively. Cassette bins 4a, 4b, 4c, and so on have read/w... | 04/04/2000 |
| 5978325 | Method and apparatus for chucking an optical disk and driving a tray in optical disk player An apparatus and a method for chucking an optical disk and for driving a tray in an optical disk player. Combined gears 40 includes a plurality of gears. In accordance with the revolutions of the combined gears, an optical disk is chucked, and a tray 12 i... | 11/02/1999 |
| 5777957 | Multiple compact disk carousel mechanism A multiple compact disk (CD) carousel mechanism for a CD player has a novel loading drawer mechanism employing the combination of a pin arm and a uniquely configured drawer guide slot (within which a pin attached to the end of the pin arm travels) attache... | 07/07/1998 |
| 5771213 | Disc changer A disc changer includes a tray support horizontally movable between a disc mounting position and a playing position in a housing; a rotation shaft on the tray support; and a tray rotatable around the rotation shaft and having a plurality of disc carrying ... | 06/23/1998 |
| 5563857 | Disc changer having a single driving motor for both a tray and a roulette A disc changer includes a driving force providing unit, a shaft gear fixedly mounted to the driving force providing unit; a timing belt for transmitting the driving force from the shaft gear; a wheel gear being rotated by the driving force transmitted thr... | 10/08/1996 |
| 5528567 | Disk changer for optical disks having different sizes A disk changer in which a disk, once completely reproduced, can be exchanged for another disk when a selected disk is being reproduced includes an ascending/descending mechanism for raising and lowering a tray member which supports a roulette receiving a ... | 06/18/1996 |
| 5386403 | Single motor disk loading device with lock gear This disk loading device is capable of reproducing a plurality of disks. A power transmission to drive gears is switched by tooth omission gears of a control gear so that angular movement of a disk playing portion, as well as movement of a tray base in a ... | 01/31/1995 |
| 5218592 | Disc player A disc player including a fixed chassis provided with a disc transport tray reciprocatingly movably, and a movable chassis liftably supported by the fixed chassis. The movable chassis has mounted thereon a disc rotating turntable and a signal reproduction... | 06/08/1993 |
| 5193079 | Compact disk changer Disclosed is a CD changer which comprises a rack formed on the bottom of a tray which has an outer end having a half-gear part by leaving a gear only on a half of the upper portion and a non-gear part flatted by removing the gear on the lower portion; a t... | 03/09/1993 |
| 5140579 | Disk loading device for disk player A cartridge loading device for a disk player which can supply, when a disk tray on which a disk is placed is accommodated in position into a device body of the disk player, the disk readily to a disk driving unit located laterally of an area of advancing ... | 08/18/1992 |
| 5123005 | Disc tray loading mechanism for reducing loading and unloading mechanical shocks A loading mechanism of a disc tray onto which recording medium discs such as compact discs, laser discs, or the like are set and which moves between a pull-out position at which the disc tray was pulled out of an outer casing and a pull-in position at whi... | 06/16/1992 |
| 4755978 | Disc player A disc player has a slide table mounted to slide horizontally into and out of a casing, a disc tray supported rotatably on the slide table and having a plurality of recessed disc storage areas arranged about its center of rotation to store a plurality of ... | 07/05/1988 |
