DISC CARTRIDGE WITH DUAL IDENTIFICATION ELEMENTS

摘要

A disc cartridge having a cartridge body accommodating therein a record medium so that the record medium can be recorded and/or reproduced in the accommodated state, a first identifying device movably provided in the cartridge body so as to be switched from the outside so that it can close partly or wholly a rectangular window aperture formed through the cartridge body, and a second identifying device provided in the cartridge body in a half-secured condition so as to close a part of another rectangular window aperture formed through the cartridge body and which cannot be switched from the outside, wherein the first and second identifing devices indicate the kind of optical disc and data necessary for recording on and/or reproducing from the optical disc incorporated.