Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1997-03-14
1999-11-23
Klimowicz, William J.
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369178, G11B 1722
Patent
active
059912456
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a recorded medium reproducing apparatus having a recorded medium exchanger, and more particularly to controlling to transport a recorded medium in a recorded medium stocker to reproducing means and to the outside of an apparatus housing.
RELATED BACKGROUND ART
As a conventional recorded medium reproducing apparatus having a recorded medium exchanger, a disk reproducing apparatus such as shown in FIG. 22 disclosed in Japanese Patent Laid-open Publication No. 4-38673 is known in which a stocker houses a plurality of carriers each capable of placing a disk thereon and is raised or lowered by stocker transport means to a height at which a desired carrier is pulled out by a tray. Namely, the stocker is moved by a distance corresponding to the number of shelves for housing carriers.
The tray is transported between a load position shown in FIGS. 22(a) and 22(b) and an eject position shown in FIGS. 22(c). As shown in FIG. 22(a), the carrier having a desired disk placed thereon is pulled out on the tray at the load position, and the disk is clamped by clamping means to reproduce the disk as shown in FIG. 22(b).
As the tray with the carrier moves from the position shown in FIG. 22(a) to the position shown in FIG. 22(c), the carrier on the tray is exposed to the outside of the apparatus housing. In this state, the disk on the carrier is exchanged or a new disk is placed on the carrier. As the tray with the carrier moves from the position shown in FIG. 22(c) to the position shown in FIG. 22(a) and the carrier on the tray is moved back to the stocker, the disk can be exchanged or a new disk can be added to the apparatus. This disk reproducing apparatus is advantageous over a conventional disk reproducing apparatus with an exchanger in that a disk magazine is not used. The disk magazine is expensive, and if it is dismounted from the apparatus and placed at a different position, it takes some time to locate this disk magazine. This is inconvenient to use.
However, this disk reproducing apparatus disclosed in the above-described Japanese Patent Laid-open Publication No. 4-38673 has only one means for pulling a carrier out of the stocker. Therefore, a disk in the stocker cannot be exchanged during the reproduction when the carrier is at the position of reproducing means.
The invention has been made under the above circumstances. It is an object of the present invention to provide a recorded medium reproducing apparatus capable of accommodating a plurality of recorded media and exchanging a recorded medium in a stocker even during the reproduction of another recorded medium, the apparatus being made easy to use and preventing unnecessary operations.
A recorded medium reproducing apparatus of this invention comprises: a recorded medium holder for holding a recorded medium; a stocker capable of accommodating the recorded medium holder; reproducing means for reproducing a recorded medium; first transport means for transporting the recorded medium holder between the inside of the stocker and the outside of an apparatus housing; second transport means for transporting the recorded medium holder between the inside of the stocker and a reproduction position; positioning means for determining a relative position between the recorded medium holder in the stocker and the first or second transport means; recorded medium detecting means for detecting whether a recorded medium is accommodated in the stocker; first instructing means for instructing to operate the first transport means; second instructing means for instructing to operate the second transport means; and control means for controlling to operate the first transport means if the first instructing means instructs to transport the recorded medium holder not holding a recording medium and not to operate the second transport means if the second instructing means instructs to transport the recorded medium holder not holding a recording medium.
According to the recorded medium reproducing apparatus of this invent
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Kabushiki Kaisha Kenwood
Klimowicz William J.
Robinson Eric J.
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