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US20050141375 |
Operating a rotatable media storage device at multiple spin-speeds
A rotatable media storage device operates using multiple disk spin-speeds, e.g., a reduced spin-speed and a nominal spin-speed. A disk is spun up to a reduced spin-speed and an initial data... |
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US20050052981 |
Record controlled sound playback device
The digital sound playback device (10) of the present invention includes a physical interface that closely simulates an analog scratch turntable. The digital sound playback device (10) includes a... |
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US20050226104 |
Information record/replay apparatus and method
In an information record/replay apparatus for writing information to, and reading information from, a disk medium while communicating with a host apparatus by way of an interface having a first... |
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US20070171793 |
METHOD AND DEVICE FOR SCANNING A DISC-SHAPED INFORMATION STORAGE MEDIUM
A method (100; 200; 300; 400; 500) for scanning a track of a disc-shaped storage medium (2) comprises the steps of: receiving (101; 201; 301; 401; 501) at least one scanning command; calculating... |
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US20100315920 |
EXTERNAL OPTICAL DISC DRIVE AND METHOD OF CONTROLLING THE SAME
An external optical disc drive, connected to a bus from which a supplying voltage and a supplying current are outputted, includes: a voltage detector connected to the bus for receiving and... |
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US20050195718 |
Method for controlling rotating speed of disc
A method for controlling a rotating speed of a disc for use in a disc reading apparatus includes the following steps. Firstly, the disc is loaded into the disc reading apparatus. Then, a start-up... |
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US20050128908 |
Apparatus and method of determining optimal velocity for recording on optical disc
An apparatus and a method of determining an optimum recording speed for a medium in a disc drive device, the method includes inserting a medium into the disc drive device, determining when disc... |
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US20070274181 |
Digital audio signal reproducing device
A digital audio signal reproducing device includes a system processor, a first rotation disk, a second rotation disk, a first sensor, a second sensor, and a lighting assembly. The first sensor... |
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US20050068870 |
Optical information recording method, optical information recording equipment and optical information recording medium
The object of the present invention is to reduce the time of a test recording when using the CAV recording method, and to allow a spindle motor to be inexpensive. When performing a test recording... |
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US20060209649 |
Dual-speed optical record carrier recording apparatus
The present invention relates to an optical record carrier recording apparatus and method for recording data on a phase-change optical record carrier (55) storing a state information about the... |
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US20050213453 |
Disk playback apparatus and disk acceleratiion adjusting method
When servo lock cannot be achieved because the number of disk revolutions cannot reach the vicinity of its regular number of disk revolutions, a table value is increased to prolong the disk... |
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US20070104055 |
Method for setting data carrier speed in a data carrier drive apparatus
A method is described for setting a disc speed in a disc drive apparatus (3) which is in data transfer communication (7) with a host system (2). According to the invention, after a first speed... |
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US20050141376 |
Control method of recording speed in optical disk drive
The present invention discloses a control method of recording speed in an optical disk drive. Firstly an inserted disk is maintained at a predetermined rotation speed and then writing starts. If... |
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US20110222382 |
OPTICAL DISC DRIVE AND METHOD FOR READING DATA FROM OPTICAL DISC
An optical disc drive and optical disc reading method according to the present invention is designed to perform a read operation with good stability even on a slim disc that could produce a... |
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US20080192599 |
Information Recording Medium, Information Recording Device, and Method
There is provided an information recording medium having a plurality of recording layers (layer L0, layer L1) for recording information. At least one of the recording layers (layer L0, layer L1)... |
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US20050219977 |
Digital recording/reproducing apparatus and rotating speed control method thereof
A digital recording/reproducing apparatus, such as a DVD recorder, is capable of copying data between a non-volatile memory thereof and a disc at different rotating speeds. By asserting a speed-up... |
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US20070147204 |
Optical disk recording method and optical disk recording and reading apparatus
An optical disk recording method wherein a beam is irradiated on an optical disk so that recording or write once of information is carried out, the optical disk recording method includes the step... |
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US20060109762 |
Method and apparatus for recording and/or reproducing information
The invention described relates to a method and apparatus for recording and/or reproducing information on an information track of an information disc. The method comprising the steps of: a)... |
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US20140362675 |
EXPOSURE DEVICE, RECORDING MEDIUM, RECORDING DEVICE, AND REPRODUCING DEVICE
There is provided a recording medium including: simple tracks each configured of arranged pits or arranged marks; and grooved tracks each configured of pits or marks and grooves, the grooves being... |
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US20070047406 |
Optical disk apparatus
An optical disk apparatus includes a carriage actuator that drives the carriage with a two-phase stepping motor. The carriage is provided with an objective lens that condenses a laser beam onto an... |
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US20090003161 |
Method for Determining the Rotation Frequency of an Optical Recording Medium
The present invention relates to a method for determining the rotation frequency of an optical recording medium driven at a constant linear velocity, and to an apparatus for reading from and/or... |
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US20070121445 |
Optical information reproducing method
Disclosed is a method of reproducing optical information by applying laser light to the medium while rotating a recording medium having concentric information tracks or a spiral information track... |
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US20100260023 |
VIRTUAL SPOKE SIGNALS FOR CONTROLLING OPTICAL DISC
An optical disc is rotated at no more than 600 revolutions per minute (RPM) using a spindle motor of an optical disc device (602). One or more input signals are received from one or more sensors... |
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US20050052974 |
Optical disc apparatus
In an optical disc apparatus 1, an optical pickup 10a for CD/DVD combo and an optical pickup 10b for BD are fixedly disposed across a spindle motor 12 so as to face each other, and the spindle... |
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US20050249073 |
Information processing device, disc unit, information processing method, information processing program and recording medium containing the program
At the time when an optical disc 10 is attached, a system controller 300 allows an optical pickup 220 to perform focus search and thereby recognizes the type of the optical disc 10 and, at the... |
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US20050201222 |
Driving method of flexible recording disc
An object of the invention is to provide an extremely large capacity disc cartridge which can avoid a head crush and a disc crush and has a high reliability, and a recording and reproducing... |