Title:
ホログラム再生装置及びホログラム再生方法
Document Type and Number:
Japanese Patent JP4389919
Kind Code:
B2
Abstract:
A hologram reconstructing apparatus is disclosed. The apparatus includes: unnecessary light removing means for causing the imaging means to receive necessary light only included in the reconstruction light; driving means for operating the hologram recording medium or a reconstruction light optical system; light detecting means for detecting the state that reconstruction light is projected to the unnecessary light removing means of the light cut by the unnecessary light removing means; and control means for obtaining the displacement of the hologram recording medium based on the information on a specific part of the projection state information detected by the light detecting means and controlling the driving means to cancel the displacement and move the hologram recording medium or the optical system.
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Inventors:
Kunihiko Hayashi
Nobuhiro Kihara
Hisayuki Yamazu
Norihiro Tabe
Nobuhiro Kihara
Hisayuki Yamazu
Norihiro Tabe
Application Number:
JP2006279292A
Publication Date:
December 24, 2009
Filing Date:
October 12, 2006
Export Citation:
Assignee:
ソニー株式会社
International Classes:
G03H1/26; G03H1/22; G11B7/0065; G11B7/09; G11B7/135
Domestic Patent References:
| JP2006171589A | ||||
| JP2006171593A | ||||
| JP2007280593A | ||||
| JP2005129196A | ||||
| JP2007304263A | ||||
| JP2005322400A | ||||
| JP2008065932A | ||||
| JP2005242304A |
Attorney, Agent or Firm:
Atsuo Waki
Nobuo Suzuki
Shigeru Noda
Nobuo Suzuki
Shigeru Noda