| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem that it is necessary to match attaching angles of a recording medium at recording and reproducing in order to maintain reproduction quality when the recording medium on which information is recorded is removed from a device, and attached to the device again. <P>SOLUTION: In an optical information recording/reproducing device that reproduces information from a hologram recording medium, a light detector detects a position, on the light detector, of reference light reflected from the hologram recording medium, and inclination of the hologram recording medium is detected on the basis of the detected position information. <P>COPYRIGHT: (C)2013,JPO&INPIT |
