Disc cartridge

Details Disc cartridge Disc cartridge

1993-10-29

1996-06-25

Levy, Stuart S.

Dynamic information storage or retrieval

Storage medium structure

Adjuncts or adapters

360133, G11B 2303

Patent

active

055306918

ABSTRACT:
A disc cartridge including a cartridge body formed with an aperture for exposing at least a part of the signal recording area of an accommodated disc, and a shutter member slidably mounted on the cartridge body for opening or closing the aperture, is disclosed. The cartridge body is provided with a shutter opening groove extending along the sliding direction of the shutter member which is parallel to the direction of insertion of the disc cartridge into a recording and/or reproducing apparatus adapted for recording and/or reproducing information signals on or from the disc, and a mistaken insertion inhibiting groove extending parallel to the shutter opening groove and having a length shorter than that of the shutter opening groove. Mistaken insertion of the disc cartridge may be inhibited by mistaken insertion inhibiting pins provided in the recording and/or reproducing apparatus for mating with each of these grooves.

REFERENCES:
patent: 4613044 (1986-09-01), Saito et al.
patent: 4731776 (1988-03-01), Ishii et al.
patent: 5046170 (1991-09-01), Oshima et al.

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