Dynamic information storage or retrieval – Dynamic mechanism subsystem – Access of multiple storage elements
Patent
1996-06-14
1999-01-19
Letscher, George J.
Dynamic information storage or retrieval
Dynamic mechanism subsystem
Access of multiple storage elements
G11B 1704
Patent
active
058621199
ABSTRACT:
In an auto-exchanger disc apparatus, both a disc cartridge for stocking plural discs and a pickup cartridge having a pickup are provided with common recesses, and a cartridge stocking unit is formed with a projection which is engaged with the recesses, whereby the cartridges can be exchanged for each other and mounted on the disc apparatus. Therefore, the extension and maintenance of the cartridges can be facilitated. When a double-side reproducing operation is performed, the pickup cartridge is turned upside down and then mounted on the disc apparatus, whereby the double-side reproduction can be surely performed by the disc inverting mechanism. Further, disc inclining means is provided to prevent a disc being returned from the disc feeder to the disc cartridge from abutting against the disc cartridge. The disc inclining mechanism and the disc inverting means may be integrally constructed by the same member to reduce the cost. Still further, a cleaning member is provided to some or all of the rollers for feeding the disc to perform a disc cleaning operation as well as a disc feeding operation, thereby preventing dust from being attached to the disc.
REFERENCES:
patent: 4899326 (1990-02-01), Takeya et al.
patent: 4947273 (1990-08-01), Benz
patent: 5285333 (1994-02-01), Barr et al.
patent: 5392266 (1995-02-01), Kobayashi et al.
patent: 5465381 (1995-11-01), Schmidt et al.
Nagai Kyuichiro
Nishida Ikuo
Nishijima Tatsumi
Okamoto Tomomi
Takita Kouhei
Hitachi , Ltd.
Letscher George J.
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