Title: Recording and reproducing apparatus
Application Number: 200510093528 Application Date: 2005.08.26
Publication Number: 1831963 Publication Date: 2006.09.13
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G11B7/0065,G03H1/04
Applicant(s) Name: Fujitsu Ltd. Address:
Inventor(s) Name: Uchida Akiyoshi
Attorney & Agent: li hui
Abstract:
     A recording and reproducing apparatus according to the present invention includes a light source for emitting a light beam, a spatial modulating part for modulating the light beam to create information light, using spatial information associated with page data A to be recorded on a holographic recording medium, an optical-path changing part for changing an optical path of the information light created by the spatial modulating part, a light detecting part for receiving the information light having the optical path changed by the optical-path changing part, and a diagnosis part for inspecting operations of recording and reproducing components including the spatial modulating part and the light detecting part, using the page data A and page data B obtained from the information light received by the light detecting part.
Time: 12