Roulette-type disk changer

Details Roulette-type disk changer Roulette-type disk changer

1997-11-28

1999-12-21

Ometz, David L.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

G11B 1722

Patent

active

060058315

ABSTRACT:
A disk changer includes a round roulette having three receiving planes, three sets of identification throughholes for detecting an identification number of the receiving plane and three sets of start/stop throughholes, therein each of the receiving planes has an elongated hole, a holder chuck, a light source, attached to a bottom surface of the holder chuck, for generating a light beam, a tray for supporting the round roulette and a photo sensor, mounted on top of the tray, for detecting the light beam. In the disk changer, the three sets of identification throughholes and the three sets of start/stop throughholes in the round roulette are formed on the circle path which intersects the centers of the center holes, thereby allowing the disk changer to detect both of the identification signal and the disk loading detection signal by using a photo sensor.

REFERENCES:
patent: 5115419 (1992-05-01), Akiyama et al.
patent: 5193079 (1993-03-01), Ko et al.
patent: 5270989 (1993-12-01), Kimura
patent: 5293362 (1994-03-01), Sakurai et al.
patent: 5513157 (1996-04-01), Saito et al.
patent: 5631884 (1997-05-01), Chun
patent: 5771213 (1998-06-01), Koshino et al.
patent: 5777957 (1998-07-01), Lyman

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