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7609593 Disc drive apparatus  
The present invention provides a disc drive apparatus capable of identifying a disc (12 cm) having a small data area (8 cm) in central as same as an ordinary 12 cm disc. The apparatus having a...
7583567 Information retrieval device  
An information retrieval device having an insertion slot for inserting a medium having data to be retrieved includes an input unit for sending a signal upon accepting an input, an eject unit for...
7573796 Information recording apparatus  
Provided is an information recording apparatus including: a memory for storing image pickup data; a recording circuit for intermittently recording the image pickup data stored in the memory on a...
7555206 Apparatus for retrieving data from detachable optical driver  
A detachable optical driver includes a detachable box, a signal import and export device installed in the detachable box, a playing platform; and an encoding/decoding module connecting to and...
7543196 Apparatus for testing integrated circuit  
An apparatus for testing integrated circuits is disclosed. The apparatus for testing integrated circuits comprises an integrated circuit and a tester. The integrated circuit undergoing testing...
7532552 Method for discriminating operation type of a disk device  
A method for discriminating the operation type of a disk device uses an optical head carrying an objective lens. The gravity doesn't affect the control force of the optical head in the horizontal...
7522481 Disc drive mechanism and method of operation therefor  
The invention relates to disc drive mechanism ( 100 ) which comprises an actuator ( 113 ) controlling a radial movement of a lens ( 109 ). An actuator controller ( 115 ) generates an actuator...
7505375 Apparatus and method of ejecting an optical disc for an optical drive  
An apparatus and a method of ejecting an optical disc for an optical drive. First of all, a first voltage to a tray motor for moving a tray positioned at a first position inside the optical drive...
7502285 Information recording apparatus and method, and computer program for recording control  
An information recording device is used for recording record information in an information recording medium at least including a first recording layer capable of forming a first recording area and...
7496006 Optical disc controller and optical disc device  
An optical disc controller of the present invention servo-controls an optical disc device which comprises a disc motor rotating an optical disc and an optical head emitting a light beam for...
7489598 Optical disc reproducing apparatus  
According to the invention, an optical disc reproducing apparatus includes a housing for: a reading section which reads data recorded on an optical disc, a data storing section and a reproducing...
7489599 Optical disc reproducing apparatus  
There is provided an optical disc reproducing apparatus which reads out data from an optical disc, stores the data, and reproduces the stored data. The apparatus includes: a casing; an operation...
7486472 Storage media transferring method and apparatus within a multi-unit storage apparatus  
Disclosed are methods and apparatuses for transferring storage media between storage units comprising an expandable multi-unit storage system. The expandable storage apparatus comprises a first and...
7474600 Device and method of polynomial power control for optical drives  
The present invention provides a device and method of polynomial power control for optical drives, which is capable of controlling the laser power discharged from the optical pickup head basing on...
7447120 Method of determining an optimal control profile for adjusting tray-in/out speeds of an optical disk drive  
“The present invention discloses an adjusting method applicable to tray-in and tray-out speeds in optical disk drives. Firstly, a number of control profiles are set up, a tray-out operation is...
7430154 Removable storage media drive feature enabling self test without presence of removable media  
A method, system and apparatus for testing a removable storage media drive device are disclosed. According to teachings of the present disclosure, a simulated storage media may be disposed within a...
7408854 Optical disc reproducing apparatus and method  
An optical disc reproducing apparatus including: a reading unit which reads audio data recorded in an optical disc; a storage unit which stores the audio data read by the reading unit; an operation...
7394731 Information playback apparatus  
An information playback apparatus is provided to obtain editing effects using an optical disc in the same sense as an analog record disc is manipulated. An audio editing apparatus for playing back...
7385884 Apparatus and method for recording reservation information into a removable storage medium  
A recording and reproducing apparatus for recording a program including video and/or audio information on a removable recording medium includes an interface, a recording unit, a reproducing unit,...
7345961 Information medium apparatus and information medium starting method  
An information medium apparatus for performing at least one of a recording operation and a reproduction operation for the information medium, includes: a determination section for determining...
7345960 Method of tray ejecting force control  
A method of tray ejecting force control for a tray-type optical drive is disclosed. A preliminary input voltage is provided to a DC motor of the tray-type optical drive to perform a preliminary...
7315493 Apparatus and method for calibrating a laser imagible apparatus  
A laser imagible apparatus includes a lens, a media tray, and an adjustment mechanism. The adjustment mechanism is configured to determine a voice coil gain for substantially all locations on a media.
7278146 Apparatus and method for locking tray of disc drive  
An apparatus and method for locking a tray to prevent a tray from being broken by an abnormal operation are provided. The tray-locking apparatus for a disc drive comprising a motor, a power supply...
7272081 On-demand support for resources in an automated data storage library  
Methods, system and computer program product are provided for managing and tracking on-demand removable, serialized data resources, such as storage frames, storage drives and media, in an automated...
7234150 Method and apparatus for controlling a disk drive  
When an action for turning off the power of a host computer is performed, the host computer transmits control information to a disk drive to the effect that chucking should be canceled....
7218578 Reproducing apparatus, operating apparatus for reproducing and reproducing method therefor  
The control section determines the rotational direction and the rotational speed of the operation discal unit based on the first pulse signal from the first optical sensor section. When determines...
7212471 Method for operating the tray of an optical disk system  
A method is for simultaneously operating the tray of an optical disk system and the front panel of the computer cabinet wherein the optical disk system is housed. In the method, the tray of the...
7193935 Method and apparatus for controlling positioning of a pickup  
A disc drive to control a home-in mode and method thereof includes a pickup unit irradiating a light beam on a disc loaded in the disc drive, a motor moving the pickup unit along a radius direction...
7184371 Optical pickup driver having piezoelectric elements of different voltages at start and steady state  
The present invention is directed to a drive device comprising an electromechanical transducer ( 25 ) attached to one end of a drive shaft ( 24 ) and adapted to be expanded and contracted in the...
7149158 Apparatus and method for providing uninterrupted continuous play during a change of sides of a dual-sided optical disk  
An apparatus and method for providing continuous uninterrupted playback of a dual sided optical disk during side-to-side changing of the optical disk. The point at which a dual-sided optical disk...
7134126 Apparatus and method for reducing program selection time in multi-changer of optical disk player  
Provided are an apparatus and method of operating a multi-changer of an optical disc player which restricts an initial operation of the multi-changer of the optical disc by referring to a disc...
7113457 Information reproducing system having means for preventing a breakdown thereof caused by abnormal conditions  
An information recording medium reproducing system has an insertion opening, a recording medium storing portion and a medium carrying device. Photodetectors are provided for detecting passing of...
7106668 Disk drive apparatus  
A disk drive apparatus for a disk having helically-formed or concentric circle-like formed tracks includes a spindle motor for controlling a rotation of the disk; a pick-up device for recording or...
7085200 Stepping motor controlling method and disk apparatus  
A disk apparatus includes a pick-up for reading/writing signals from/on a disk; a pick-up base provided with the pick-up; a traverse motor for moving the pick-up in a radial direction of said disk;...
7020050 Position control of opticial head in a recording device  
A data player or a method in which a reading and/or writing head is positioned according to anyone of 3 methods or combinations thereof: Calculating a desirable speed curve to position the head...
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 SW 1˜3 are...
6987713 Method and apparatus for controlling the optical head during occuring of an obstacle  
Apparatus for clearing of an obstacle if the smooth transfer of a head is interfered with in an apparatus for reproducing data recorded in a recording medium having address information. If an...
6967905 Information playback apparatus  
An information playback apparatus is provided, which can provide a sound which sounds natural by controlling an abrupt change in a tempo in the case of random access playback. When a cue point is...
6947353 Apparatus and method for providing uninterrupted continuous play during a change of sides of a dual sided optical disk  
An apparatus and method for providing continuous uninterrupted playback of a dual sided optical disk during side-to-side changing of the optical disk. The point at which a dual-sided optical disk...
6947355 Optical disk drive having function of removing static electricity of optical disk  
An optical disk drive includes a case, a tray which is slidably provided to the case and receives an optical disk, and a ground member which is electrically connected to the case and contacts one...
6922378 Method 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...
6920090 Method for controlling the switching operation between personal computer and optical disk drive  
Disclosed is an optical disc drive sharing switching device, method and associated application system. The optical disc drive sharing switching device integrates a personal computer and an optical...
6917570 Medium controller with slot-mounted sensors  
When a medium is stored or removed manually, all slots must be checked to find any change in medium information, and as a result, updating medium storage information takes a long time. A medium...
6873577 Optical head position control for optical recording device  
a data player or a method in which a reading and/or writing head is positioned according to anyone of 3 methods or combinations thereof: Calculating a desirable speed curve to position the head...
6859423 Motor drive circuit for a disk drive apparatus  
When a circuit that is likely to cause noise is enabled, a control circuit turns on a switch so that an inverter will be formed by one P-channel MOSFET and two parallel-connected N-channel MOSFETs....
6771582 Control dial and optical disk apparatus having the control dial  
An optical disk apparatus comprising a control dial unit having a jog dial and a shuttle dial which is concentrically mounted outside the jog dial is provided to solve the problem that when...
6760281 Push-button speed change device for CD ROM drive  
A push-button speed change device for CD ROM drive is included in a CD ROM drive having a system casing and a front panel, and the front panel has indicating light, CD loader, and a plurality of...
6714489 Skip detector for compact disc jukebox  
A control system for a compact disc jukebox detects skips in the compact disc by reading an apparent elapsed time signal from the compact disc that is encoded on the compact disc. A timer is...
6687193 Audio reproduction apparatus having audio modulation function, method used by the apparatus, remixing apparatus using the audio reproduction apparatus, and method used by the remixing apparatus  
An audio reproduction apparatus capable of modulating an audio signal with at least one of reproduction factors, including the speed and direction of reproduction, and the sound pressure of the...
6631100 Recording apparatus, recording method, and dubbing apparatus for recording or dubbing programs and character data  
A recording apparatus comprising a means for reading and reproducing a program recorded on a first recording medium such as a CD; a means for recording the reproduced program on a second recording...
Matches 1 - 50 out of 145 1 2 3 >