Class / Patent application number | Description | Number of patent applications / Date published |
720645000 | Detecting physical characteristics and location of optical medium | 8 |
20090133046 | Disc Guiding Apparatus having a Logic Apparatus - The present invention discloses a disc guiding apparatus including a logic apparatus and a first and a second disc guiding elements. The logic apparatus has a rod, a first and a second guiding elements, and a first and a second moving parts. The first and the second disc guiding elements are connected to the first moving part and the second moving part, respectively. The first and the second moving parts move along the extended direction of the rod by the first and the second guiding elements. The rod has a central portion and two ends, wherein the width of the central portion is narrower than each of the two ends. The first and the second moving parts are disposed at the different ends of the rod. | 05-21-2009 |
20110161993 | DISK DEVICE - A disk device includes: a disk detecting member | 06-30-2011 |
20110271291 | OPTICAL DISC DISCRIMINATION METHOD, OPTICAL DISC TRANSPORT DEVICE, OPTICAL DISC DEVICE, OPTICAL DISC INSPECTION DEVICE, AND OPTICAL PICKUP INSPECTION DEVICE - An optical disc device compatible with optical discs of different types having different track pitches, having a light detecting means ( | 11-03-2011 |
20130247075 | INFORMATION RECORDING MEDIUM AND HOLDING DEVICE FOR HOLDING INFORMATION RECORDING MEDIUM - An information recording medium | 09-19-2013 |
20140143795 | OPTICAL DISC DRIVE AND DISC DETERMINATION METHOD THEREOF - An optical disc drive comprises a flash memory, an optical pick-up head, a spindle motor and a control unit. The control unit generates a determination result according to whether the optical disc drive has a disc loaded therein, and stores the determination result into the flash memory when the optical disc drive receives a power. The control unit reads the determination result from the flash memory after receiving the power again, and determines whether to control the optical pick-up head and the spindle motor to execute the disc detection procedure according to the determination result. If the determination result is negative, whether the optical disc drive has a disc loaded therein is determined according to a rotation speed of the spindle motor. If the rotation speed is larger than a threshold value, the control unit determines that no disc is loaded in the optical disc drive. | 05-22-2014 |
20140181848 | CD PLAYER - A CD player, which comprises a conveying roller, a first sensing rod, a second sensing rod, a linkage member, a first switch and a second switch; wherein the linkage member is used for transmitting the rotation of the first sensing rod to the second sensing rod and provided with a first retaining part, a first clamping part, a second retaining part, a second clamping part; the two retaining parts are respectively arranged on both sides of a centerline of a CD conveying path; when the first sensing rod is prevented from rotating by the first retaining part, the second sensing rod is used for releasing the behavior; and when the second sensing rod is prevented from rotating by the second retaining part, the first sensing rod is used for releasing the behavior. The player can avoid the malfunction of a major-diameter CD detection switch and has a very simple structure. | 06-26-2014 |
20140189717 | OPTICAL DISC DEVICE AND LENS CLEANER - An optical disc device of the present invention comprises an insertion detection optical sensor which detects insertion of an optical disc based on light emitted from a first light emitting element to a first light receiving element being blocked, and an ejection detection optical sensor provided on the downstream side in the carry-in direction to the insertion detection optical sensor to detect ejection of the optical disc based on light emitted from a second light emitting element to a second light receiving element being blocked. The optical disc device is structured such that, in a state that the optical disc is attached onto the turntable, when the light of the first light emitting element is blocked and the light of the second light emitting element is not blocked, the optical disc device recognizes that a lens cleaner is attached onto the turntable as the optical disc, and the optical disc device performs a cleaning operation. | 07-03-2014 |
20140223454 | METHOD AND APPARATUS FOR PREVENTING THE READING OF AN OPTICAL DISC - Provided is a method and an apparatus for setting a virtual disc status of an optical disc drive. While set to the virtual disc status, the optical disc drive does not detect if an optical disc is present in the optical disc drive in response to the optical disc drive being powered on. Accordingly, power may be consumed and noise may be reduced. | 08-07-2014 |