Optical disc apparatus

Details Optical disc apparatus Optical disc apparatus

1998-09-30

2000-12-05

Klimowicz, William

Dynamic information storage or retrieval

With particular cabinet structure

Slotted for edgewise insertion of storage disc

369 751, G11B 3304, G11B 3314

Patent

active

061576050

ABSTRACT:
An optical disc device 60 prevents intrusion of foreign matter such as dust and dirt into a disc cartridge 1 that has a main cartridge body unit 4 for rotatably housing an optical disc 5, apertures 7, 8 for partially exposing a signal recording area of the optical disc 5 and a shutter member 9 movably mounted on the main cartridge body unit for closing the apertures 7, 8. The optical disc device also includes a loading mechanism 76 for loading the disc cartridge 1 across the inside and the outside of the main body portion of the device, a shutter actuating unit 154 for moving the shutter member 9 for opening the recording/reproducing apertures 7, 8 when the disc cartridge 1 is loaded on the recording/reproducing unit adapted for recording and/or reproducing information signals and an optical pickup device 143 for intruding into the disc housing via the recording/reproducing aperture when the shutter member 9 has opened the recording/reproducing aperture.

REFERENCES:
patent: 3992018 (1976-11-01), Plummer et al.
patent: 4802041 (1989-01-01), Uehara
patent: 4811137 (1989-03-01), Muto et al.
patent: 5220552 (1993-06-01), Yokoi et al.

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