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Class 720/602 - Controlling acceleration, deceleration or speed


Subclass of Class 720 - Dynamic optical information storage or retrieval
Definition: Subject matter including means for controlling acceleration,
No. of patents: 32
Last issue date: 05/22/2012


NumberTitleIssue Date
8185919Optical disk device with a precise ejection position of a disk tray
An optical disk device which highly precisely positions a disk tray in an ejection position is provided. A controller of an optical disk device drives the disk tray from a storage position toward an exposed position. When a position immediately before the ejection p...
05/22/2012
8104050Optical disk apparatus having brake pad located near to front end of chassis block
Disclosed is a slim-type high speed rotation optical disk apparatus having a turn table for loading an optical disk thereon. As compared with conventional ones, a brake pad is located near to the front end so that the brake pad comes into tight contact with a side o...
01/24/2012
8060894Disk device having disk tray
A disk device includes a disk tray, a spindle motor, a chucking section, a loading motor, a tray-in switch, a tray-out switch and a loading motor drive voltage generating section. The loading motor drive voltage generating section generates a drive voltage for the l...
11/15/2011
7784067Optical disk apparatus
An optical disk apparatus includes a frame 2 which receives internal devices and can receive an optical disk 27, a tray 5 on which the optical disk 27 is rotatably mounted, a rail 4 which supports the tray so as to be moved between...
08/24/2010
7614061Tray loading/unloading apparatus
A tray loading apparatus includes a tray, a motor, a drive circuit. The tray is movable between a load position and an unload position. The motor is constructed and arranged for bringing the tray to move from the unload position to the load position. The drive circu...
11/03/2009
7386866Disk drive with improved tray control
A disk drive comprising a tray (TR) for receiving a disk, the tray (TR) being supported for movement between a first position within a casing (CS) of the disk drive and a second position projecting from the casing (CS), an electric motor for moving the tray (TR) bet...
06/10/2008
7349313Clamper magnetism test method for a tray-type optical drive
A magnetism test method for a tray-type optical drive is disclosed. A preliminary input voltage is provided to a DC motor of the tray-type optical drive for performing a preliminary ejection on a tray and a magnetic clamper of the tray-type optical drive. Then, a te...
03/25/2008
7350218Optical-disk drive and optical-disk ejection control method
An optical disk drive comprises a drive body, a spindle motor, an optical pickup device, a sled motor, a tray, a loading motor, and a controller. When the loaded optical disk is ejected, the controller controls the sled motor and the loading motor so that the return...
03/25/2008
7341339Tray transferring controller, recording apparatus and liquid ejecting apparatus
In a printer capable of performing recording on a recording medium such as an optical disk, a tray on which the recording medium is set is sent upstream or downstream by being nipped by a driving transfer roller rotatably driven by a motor and a driven transfer roll...
03/11/2008
7334239Optical disc apparatus
In an optical disc apparatus, a harsh blow sound due to collision of first stoppers of a tray and third stoppers of a main chassis when the tray reaches to a terminal position of drawing thereof is reduced. When a second stopper of the tray contacts with the front e...
02/19/2008
7328441Optical disc drive
An optical disc drive with a positioning mechanism suitable for reading data from an optical disc is provided. The optical disc drive comprises a casing, a tray, a reading module and a rail. The tray is disposed inside the casing. The tray has a first positioning pa...
02/05/2008
7296277Disk rotation device
A disk rotation device rotationally driving a disk includes a housing body, a conveyance body installed in the housing body so as to be capable to move between a first position positioned inside of the housing, the first position being where the disk is rotation dri...
11/13/2007
7290269Disk 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
7282884Procedure for driving a moveable part of an item of furniture
A method of driving a moveable part and, in particular, a drawer by a drive unit and, in particular, an electric drive unit. At least over a partial length of track (S2), forming part of the total track traversed by the moveable part, the force exerted on...
10/16/2007
7266053Tray-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
7234151Disk player
A touching plate of the emergency mechanism, which is located near the front panel of a casing, is rotatably pivoted, an arm is protruded from the touching plate so that it is opposite to a lever protruded from the end of a slide bar, a nozzle having a prescribed le...
06/19/2007
7168079Disk apparatus with improved driving mechanism
A disk apparatus includes a tray that moves with respect to a chassis fixed to an apparatus body to carry a disk, a drive unit that moves in a direction substantially orthogonal to the carrying direction of the tray with respect to the chassis to mount or dismount t...
01/23/2007
7151717Recording medium transport device and image forming apparatus
A recording medium transport device has: a pair of transport roller units which nip and transport a recording medium and which are disposed at an upstream side and a downstream side of a recording area respectively, the transport roller unit in the upstream side inc...
12/19/2006
7143423Dislocation preventing apparatus in disk player
A disk player includes: a housing; a motor disposed in the housing; a disk tray having a projecting piece at a rear end on each side edge thereof; and dislocation preventive pieces disposed at a front end side of the housing and projecting from the housing so as to ...
11/28/2006
7099113Disc braking device
A disc braking device is utilized in an optical disc drive. The disc braking device is installed on a disc tray of an optical disc drive. Without being affected by an covering component or the location of the disc braking device, the disc braking device makes a disc...
08/29/2006
7086729Tray transferring controller, recording apparatus and liquid ejecting apparatus
In a printer capable of performing recording on a recording medium such as an optical disk, a tray on which the recording medium is set is sent upstream or downstream by being nipped by a driving transfer roller rotatably driven by a motor and a driven transfer roll...
08/08/2006
7086068Optical disc apparatus which determines tray movement speeds
In an optical disc apparatus, a loading operation and an unloading operation are performed a plurality of times while changing the movement speed of a tray. A movement speed of the tray at which a shock that is produced during a movement of the tray is smaller than ...
08/01/2006
7019965Ejector mechanism and a carrier including same
An ejector mechanism. The ejector mechanism includes an ejector pair, pivotally mounted on a surface of the carrier. Each ejector of the ejector pair comprises an ejector slot that is engageable with an ejector pin that is located on a chassis, which accommodates th...
03/28/2006
6981269Recording medium driving apparatus
A recording medium driving apparatus is provided. A signal from the tray position sensor 13 is provided to the connection point E to control a mute signal generator 80a in the driver IC. When the system controller is abnormal, the potential of t...
12/27/2005
6963519Disc device
A disc device comprising a transfer unit operable to provide a transferring force to a disc inserted from the outside to transfer the disc into a storage area in the device, a sensor unit for detecting the position of the inserted disc, and a control unit for contro...
11/08/2005
6922378Method and apparatus for controlling the disk tray by detecting the back emf force
This invention relates specifically to a method for controlling the disc tray of a data reproducing device, in which the data reproducing device comprises at least a tray motor for driving the disc tray. The method comprises the following steps, including: a step fo...
07/26/2005
6654335Optical drive loader with a manual disk ejecting mechanism
The invention presents an optical drive loader with a manual disk ejecting mechanism comprising a frame, a disk receiving apparatus, a speed reduction apparatus, a driving apparatus, and a disk ejecting actuating part. Relying on the disk ejecting actuati...
11/25/2003
6643241Optical disk reproducing apparatus
In an optical disk reproducing apparatus 1 in which a mounting tray slides to a projected position and a contained position with respect to the apparatus main body, to slide the mounting tray at a series of continuous predetermined speeds independent of c...
11/04/2003
5771217Magneto-optical disk apparatus having a ejector arm and magnetic field generating means mounted on a stationary base
A disk apparatus in which the thickness is suppressed. A recording/reproducing medium containing a disk rotatably in a hard case is moved substantially in a horizontal direction through an opening of the base of the disk apparatus for insertion and ejecti...
06/23/1998
5574711Device for driving trays in disk players
A disk transport mechanism for moving disks into a disk-player transports disks between an eject position and a playback or storage position inside the disk-player. The tray passes through an opening in the disk-player when it moves from the eject positio...
11/12/1996
5123005Disc 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
4893295Front loading disk player
A front loading disc player is disclosed which comprises a housing, a play mechanism including a turntable, a carrier for carrying a disc to be played, and a projection/accommodation mechanism for moving the carrier so as to project/accommodate the carrie...
01/09/1990
 
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