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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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...
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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...
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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.
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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;...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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....
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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...
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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...
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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...
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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...
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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...
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