| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a recording and reproducing system of a photosensitive recording medium in which exposure of a photosensitive recording medium can be prevented and which has high reliability. <P>SOLUTION: The recording and reproducing system 100 is provided with a cartridge 2 and a recording and reproducing apparatus 10, the cartridge 2 housing a recording disk 4 having photosensitivity has a cartridge main body 11 having openings 18, 19 exposing a center part 4a and a recording plane 4b of the recording disk 4 to the outside, a shutter 13 attached to the outside of the cartridge main body 11 and opening and closing openings 18, 19, and a lock mechanism 27 locking the shutter 13 at a close position, the recording and reproducing apparatus 10 is provided with a lock releasing mechanism 78 and a shutter releasing mechanism 80 in a case 90 in which an insertion opening 91 loading a cartridge 2 is closed by an insertion opening shutter 94, when the cartridge 2 is inserted to the recording and reproducing apparatus 10, the lock mechanism 27 is released by the lock releasing mechanism 78, when the inside of the case 90 becomes a light shielding state, the shutter releasing mechanism 80 is operated, the shutter 13 of the cartridge 2 is opened. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
