Dynamic information storage or retrieval – Information location or remote operator actuated control – Selective addressing of storage medium
Patent
1996-11-27
1999-05-11
Dinh, Tan
Dynamic information storage or retrieval
Information location or remote operator actuated control
Selective addressing of storage medium
369 36, G11B17/22
Patent
active
059035285
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a recording medium reproducing apparatus having a disk exchanger, and more particularly to a control operation of transporting a disk between the inside of a disk stocker and the outside of an apparatus housing and between the inside of the disk stocker and a reproducing position.
RELATED BACKGROUND ART
As a conventional disk reproducing apparatus having a disk exchanger, a disk reproducing apparatus such as shown in FIG. 29 is known in which a magazine having disks inserted therein is loaded in the apparatus and a desired disk in the magazine is selected and reproduced. Such a disk reproducing apparatus requires an expensive magazine, posing a problem of high cost of the whole apparatus.
A disk pick-up position storage device for a disk reproducing apparatus using such a magazine, proposed by the present applicant in Japanese Utility Model Application No. 4-55178 (Japanese Utility Model Laid-open Publication No. 6-11154), is shown in FIGS. 30 and 31. This disk pick-up storage device is used for placing a disk at the original position in the magazine after the disk was pulled out of the magazine or the power is turned off after the disk was pulled out of the magazine. In FIG. 30, reference numeral 101 represents a magazine which has shelves for accommodating six disk trays 102, 102, . . . . The magazine 101 accommodates six disk trays on which disks 103 are placed. A case for mounting the magazine 101 and a lock mechanism are mounted on a chassis.
Reference numeral 104 represents a loading tray which is used for placing thereon a disk not accommodated in the magazine 101, can accommodate only one disk, and is transported between the inside of an apparatus housing shown in FIG. 30 and a position protruded from the housing. A loading chassis is constituted of a loading chassis top plate 106a on which a loading chassis left guide 106b and a loading chassis right guide 106c are fixedly mounted. This loading chassis is supported by pantograph mechanisms 107, 107, . . . movably up and down relative to the chassis.
A pin 106d is mounted upright on the loading chassis left guide 106b and engages with a cam groove 108a of a loading chassis lift plate 108 which is supported by a side chassis 105 and is made to become capable of sliding back and forth by an unrepresented gear meshing with a rack 108b. As the loading chassis lift plate 108 moves, the loading chassis moves up and down. The positions of shelves of the magazine 101 and the shelf of the loading tray 104 can be detected by light of a photo interrupter passing through holes 108c, 108c, . . . of the loading chassis lift plate 108.
An upward open recess of a loading arm 109 is fitted in a T-character shaped portion 106f at the bottom of the loading chassis left guide 106b, the loading arm 109 being made to become capable of sliding back and forth along the loading chassis left guide 106b and also to move up and down together with the loading chassis. A rod 110 engaging with a notch of the loading arm 109 is supported by the side chassis 105 and made movable back and forth by an unrepresented drive mechanism.
The loading arm 109 also engages with a notch of the disk tray 102 and driven by the rod 110 back and forth to move the disk tray 102 from the magazine 101 or loading tray 104 into grooves 106g of the loading chassis.
As shown in FIGS. 30 and 31, an engaging piece 111 is supported by the side chassis 105 and is made to become capable of sliding up and down. The engaging piece 111 is energized upward by a coil spring 112. The engaging piece 111 usually abuts against an unrepresented stopper. In this state, recesses 111a, 111a, . . . are at the height positions of the disk trays. The height position of the uppermost disk tray in the magazine 101 corresponds to an upper space of the engaging piece 111 and that of the lowermost disk tray in the loading tray 104 corresponds to a lower space of the engaging piece 111.
A stopper piece 113 is supported by the loading chassis left guide 106b and
REFERENCES:
patent: 5177722 (1993-01-01), Nakamichi et al.
patent: 5216645 (1993-06-01), Sakayama
patent: 5353269 (1994-10-01), Kobayashi et al.
patent: 5384760 (1995-01-01), Kumakura
patent: 5392266 (1995-02-01), Kobayashi et al.
patent: 5502697 (1996-03-01), Taki
patent: 5631882 (1997-05-01), Mascenik
patent: 5638347 (1997-06-01), Baca et al.
Brackett Jr. Tim L.
Dinh Tan
Ferguson Jr. Gerald J.
Kabushiki Kaisha Kenwood
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