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Patent Searching and Data


Title:
HOLOGRAM INFORMATION REGENERATIVE APPARATUS
Document Type and Number:
Japanese Patent JP2006235261
Kind Code:
A
Abstract:

To provide a hologram information regenerative apparatus for achieving miniaturization of the whole apparatus.

The hologram information regenerative apparatus regenerates transmission hologram information formed on an information recording area R of a recording medium 100. The hologram information regenerative apparatus arranges a light source 10A for emitting reference light B on the information recording area R, arranges an optical head having a photodetector 30 for detecting diffracted light obtained when irradiating the reference light B on an interference fringe on one side of the recording medium 100, and arranges a reflection mirror 40 for reflecting and irradiating the reference light B irradiated on the information recording area R of the recording medium 100 as conjugate light on the information recording area R on the other side of the recording medium 100.


Inventors:
MITSUYA SHINJI
Application Number:
JP2005050101A
Publication Date:
September 07, 2006
Filing Date:
February 25, 2005
Export Citation:
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Assignee:
ALPS ELECTRIC CO LTD
International Classes:
G03H1/20; G02F1/35; G11B7/0065; G11B7/085; G11B7/135
Attorney, Agent or Firm:
青木 宏義