Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kunihiko Hayashi0
Muneyasu Maeda0
Nobuhiro Kihara0
Date of Patent
December 30, 2008
0Patent Application Number
114748470
Date Filed
June 26, 2006
0Patent Primary Examiner
Patent abstract
A hologram device records information of an interference fringe of signal light and reference light onto a hologram recording medium and reproduces the recorded information by emitting the reference light onto a recording area of the hologram recording medium. The hologram device includes a recording/reproducing controller performing a recording operation of the information concurrently with a reproducing operation of previously-recorded information, and an error detector detecting an error in the previously-recorded information reproduced concurrently with the recording operation.
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