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| Number | Title | Issue Date |
| 7913267 | Information storage disk handling apparatus An information storage disk handling apparatus includes a first disk device, a second disk device and a turn-over device. The first disk device has a first tray, and the second disk device has a second tray. The first disk device is mounted over the second disk devi... | 03/22/2011 |
| 7424728 | Double-sided recording/reproducing disk drive A disk drive is provided for restraining deterioration of the verticality of the optical axis of an optical pickup in relation to the surface of the disk when the side of the disk to be scanned for the recording and/or reproducing action is alternated from one side ... | 09/09/2008 |
| 7327648 | Player with rotational control for double-sided optical discs A double-sided optical disc, such as a DVD-18 disc, is formed with data tracks on each layer. The tracks on one side are oriented along one spiral while the tracks on the other side are oriented along a different spiral, the two spirals being oriented in opposite di... | 02/05/2008 |
| 7162726 | Disk apparatus A disk apparatus of the present invention, in which a cartridge accommodating a disk-like recording medium and having an opening opened or closed by a shutter member is loaded to the disk apparatus, includes a loading chassis; a cartridge transporting member provide... | 01/09/2007 |
| 5682373 | Optical pickup device An optical pickup device capable of accessing, using one pickup device, two opposed discs without turning the pickup device over. The pickup device includes a light source; a beam splitter for dividing a beam into two linearly polarized beams, a reflectin... | 10/28/1997 |
| 5596563 | Both-sides playing optical disc player A both-sides playing optical disc player includes a pickup carriage having a sliding motor, a power transfer gear for the motor, a pair of guide rollers, and a pickup carriage at a reproducing position. A pair of upper and lower rack elements are provided... | 01/21/1997 |
| 5506830 | Disk player A disk player has a guide member for guiding an optical pickup carrier along both sides of a double-sided disk. In order to prevent interference between the pickup carrier and the periphery of the disk during turning movement of the pickup carrier around ... | 04/09/1996 |
| 5434843 | Pickup turnover apparatus of a disk player A pickup turnove apparatus of a disk player of a new turn-type in which a U-shape shuttle device acting as a pickup turnover means is provided at the rear of a pickup feeding plate of the disk player and turned over from a lower position to an upper posit... | 07/18/1995 |
| 5331624 | Pickup feed mechanism A simplified pickup feed mechanism fox a dual-sided disc is disclosed, which prevents a pickup main body from being moved in an unbalanced state while investing the orientation of the pickup main body. The pickup feed mechanism comprises a moving shaft wh... | 07/19/1994 |
| 5311497 | Pickup feeding apparatus for a double-sided reproducing disc player An optical pickup can be inverted accurately and smoothly regardless of the skew operation of the optical pickup. The present invention is directed to a disc player in which a single optical pickup (37) is inverted in an opposing relation to both surfaces... | 05/10/1994 |
| 5214634 | Optical disc apparatus for recording and reproducing signals on both surfaces of a disk with a single optical pickup An optical disk apparatus for a double-sided optical disk has an optical pickup unit for reproducing information from the optical disk, and base members carrying driving unit for shifting the pickup unit and a guide mechanism for guiding the movement of t... | 05/25/1993 |
| 5172370 | Disk reproducing apparatus equipped with a pickup device capable of reading both sides of a disk A disk reproducing device that has two guide rails disposed at both sides of a disk and that reads data recorded on both sides of the disk using a single pickup device (21) by moving the pickup device along the guide rails. Each guide rail is composed of ... | 12/15/1992 |
| 5119354 | Disk reproducing apparatus A disk playing apparatus is capable of playing a plurality of disks or disks of different diameters. A disk transfer mechanism is provided between a magazine for storing the plurality of disks and a disk musical performance mechanism disposed obliquely an... | 06/02/1992 |
| 5105418 | Disk drive with means to play either side of a disk A disk drive according to a first embodiment includes a pickup movable along a radial direction of the disk and a reversing mechanism for moving the pickup from one side of the disk to the other side by rotating the pickup about an axis corresponding to t... | 04/14/1992 |
| 5097465 | Double-side playing optical disk player A double-side playing optical disk player which plays both sides of a disk placed on a turntable by driving and guiding a carriage carrying an optical pickup with a guide driving mechanism along both surfaces of the disk. The guide driving mechanism is co... | 03/17/1992 |
| 5090000 | Height adjusting device for a pickup A height adjusting device for adjusting the height of a pickup, comprises a support mechanism for supporting the pickup on the carriage in a manner that a position of the pickup along the axis of rotation of the turntable of the optical disc player is adj... | 02/18/1992 |
| 5081618 | Double-sided reproducing disk player A double-sided reproducing disk player wherein reduction in size and simplification in structure of a carriage can be attained and reduction in number of parts and simplification in construction of the entire arrangement can be attained to attain reductio... | 01/14/1992 |
