Abstract: A multi-compact disk player adapted to be mounted on vehicles is provided, in which locking, clamping and tray loading can be performed in parallel by a pickup motor for loading a pickup. This multi-compact disk player comprises a locking portion for preventing a pickup base from vibrating while a selected disk is inserted into the player, a clamping portion for clamping the inserted disk under the locked state of the pickup base, a tray transfer portion for inserting a tray into the player under the clamped state of the disk, a pickup transfer portion for conveying a pickup onto the disk after the disk is inserted into the player, and a single drive motor for driving the locking portion, the clamping portion, the tray transfer portion and the pickup transfer portion by interlocking them with each other.

Abstract: 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 at a reproducing position, for moving the pickup carriage. A turning unit having a guide formed of a guide roller and rotating the pickup carriage along a nearest semicircle near an outer circle of the disc is provided. The turning unit has a turning plate rotated together with the pickup carriage using an additional turning motor. The sliding motor and the power transfer gear for moving the pickup carriage may perform turning by providing a U shaped rack element for the movement within the reproducing position.

Abstract: A driving device for loading/unloading a tray for a digital audio tape in a tray type cassette apparatus of a digital audio tape player, which device enables to load/unload the tray by utilizing the existing capstan and loading motors without using a separate exclusive driving motor. The driving is arranged such that power may be intermittently transmitted from a transmission gear of the cassette loading apparatus through an intermediate gear, a bevel gear, an up-and-down gear, an input gear and the capstan motor to a cam gear depending upon upwardly and downward movements of the up-and-down gear.

Abstract: A digital audio tape cassette loading device includes an up-down holder assembled to an adjusting plate operatively associated with the brackets by a shaft, a first pin caulked into a cam lever inserted through an oblong hole of an opening lever, a second pin caulked into the cam lever inserted into a cam groove of a cam gear which has a horizontal movement region, a vertical movement region, and a marginal stroke region for adjusting in mode to match with a rack of a tray side plate for engagement.