Dynamic information storage or retrieval – With particular cabinet structure – Slotted for edgewise insertion of storage disc
Reexamination Certificate
1998-12-21
2001-11-06
Tupper, Robert S. (Department: 2754)
Dynamic information storage or retrieval
With particular cabinet structure
Slotted for edgewise insertion of storage disc
C369S075210
Reexamination Certificate
active
06314073
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a disc drive apparatus which is optimum for introduction to an optical disc drive and also particularly to the technical field of disc drive which enabling selective recording and/or reproducing of two kinds of disc type recording media such as a mini-disc (MD) cartridge and a bare compact disc (CD).
2. Description of the Related Art
It has been attempted to use a couple of spindle motors for individually chucking an MD cartridge and a bare CD in order to selectively record and/or reproduce the MD cartridge and bare CD with a disc drive unit. In this case, a couple of spindle motors are arranged side by side and only one optical pickup has been moved to the right and left directions between a couple of spindle motors.
However, in the disc drive of this type, a couple of loading mechanisms are arranged side by side to independently load the MD cartridge and bare CD. Therefore, a large space is required and a couple of spindle motors are required, resulting in increase in total size and weight of the disc drive and also increase in the number of parts and assembling processes which are related to remarkable rise of cost. Moreover, it has been so far impossible to load and unload the MD cartridge and bare CD through only one slot.
SUMMARY OF THE INVENTION
The present invention has been proposed to overcome the problems explained above and it is therefore an object of the present invention to provide a small size, light weight and low cost disc drive which enables selective recording and/or reproducing of two kinds of disc type recording media such as MD cartridge and bare disc.
The disc drive of the present invention to attain the object explained above is provided with a means which arranges on the same loading center the loading path of a first and a second loading means to selectively load a first and a second disc type recording media in order to selectively input and output first and second disc tables to selectively chuck the first and second disc type recording media into the loading path of the first and second loading means from the direction orthogonal to these loading directions.
The disc drive of the present invention structured as explained above selectively loads the first and second disc type recording media on the same loading center to selectively chuck these media to the first and second disc table.
REFERENCES:
patent: 5301176 (1994-04-01), Kawachi et al.
patent: 5572498 (1996-11-01), Choi
patent: 5586104 (1996-12-01), Choi
patent: 5615197 (1997-03-01), Choi
patent: 5737293 (1998-04-01), Kawamura et al.
patent: 5768240 (1998-06-01), Hiraga
patent: 5867338 (1999-02-01), Ohira et al.
patent: 6002660 (1999-12-01), Ikegame
Maioli Jay H.
Sony Corporation
Tupper Robert S.
Watko Julie Anne
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