Device for driving trays in disk players

Details Device for driving trays in disk players Device for driving trays in disk players

1994-11-10

1996-11-12

Levy, Stuart S.

Dynamic information storage or retrieval

With particular cabinet structure

Slotted for edgewise insertion of storage disc

G11B 1704

Patent

active

055747116

ABSTRACT:
A disk transport mechanism for moving disks into a disk-player transports disks between an eject position and a playback or storage position inside the disk-player. The tray passes through an opening in the disk-player when it moves from the eject position to the playback or storage position. The disk transport mechanism carries the disk on a tray with a circular recess which locates the disk precisely in the tray. A disk improperly placed in the tray, so that it rests on a ridge around the circular recess, could cause damage when the tray passes through the opening. To prevent this, the transport mechanism abruptly accelerates the tray during movement into the disk-player by momentarily halting or reversing a drive motor of the disk transport mechanism. The acceleration of the tray causes any improperly mounted disk to fall into the circular recess before the disk can jam in the opening, thereby preventing injury to the disk or the disk-player.

REFERENCES:
patent: 4809254 (1989-02-01), Scheffler
patent: 5109372 (1992-04-01), Caspers
patent: 5119357 (1992-06-01), Tsuruta et al.
patent: 5195078 (1993-03-01), Ikedo et al.
patent: 5204850 (1993-04-01), Obata

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