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Patent Searching and Data


Title:
HOLOGRAM RECORDING AND REPRODUCING DEVICE AND METHOD
Document Type and Number:
Japanese Patent JP2009087448
Kind Code:
A
Abstract:

To reduce cross talk from an adjacent hologram in a hologram information recording and reproducing device using an angle multiplexing recording method.

When a set of incident angles of reference light on a disk in recording a hologram using the angle multiplexing method is expressed by {}=[1, 2, ... M], the incident angle {} of the reference light is changed according to a position on an optical information recording medium 1 or a track position.


Inventors:
IDE TATSURO
SHIMADA KENICHI
Application Number:
JP2007255722A
Publication Date:
April 23, 2009
Filing Date:
September 28, 2007
Export Citation:
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Assignee:
HITACHI LTD
International Classes:
G11B7/0065; G03H1/26; G11B7/125; G11B7/135
Attorney, Agent or Firm:
Yusuke Hiraki