Title:
HOLOGRAM RECORDING DEVICE AND METHOD, HOLOGRAM REPRODUCING DEVICE AND METHOD, AND COMPUTER PROGRAM
Document Type and Number:
WIPO Patent Application WO/2006/106936
Kind Code:
A1
Abstract:
A hologram recording device comprises modulating means for modulating information data according to a modulation rule relating to hologram recording/reproduction so as to create a modulation pattern, judging means for judging whether or not the modulation pattern includes a pattern portion matching an object pattern, changing means for changing at least a part of the pattern portion to a change pattern if the judging means judges that the modulation pattern includes the pattern portion, and illuminating means for illuminating a holographic recording medium with a light source light so as to record the modulation pattern where at least the part of the pattern portion is changed to the change pattern on the holographic recording medium.
Inventors:
YOSHIDA KAZUYUKI (JP)
Application Number:
PCT/JP2006/306868
Publication Date:
October 12, 2006
Filing Date:
March 31, 2006
Export Citation:
Assignee:
PIONEER CORP (JP)
YOSHIDA KAZUYUKI (JP)
YOSHIDA KAZUYUKI (JP)
International Classes:
G03H1/04; G03H1/22; G11B7/0065
Foreign References:
| JP2003178538A | 2003-06-27 |
Attorney, Agent or Firm:
Egami, Tatsuo c/o Tokyo, Central Patent Firm (3rd Floor Oak Building Kyobashi, 16-10,
Kyobashi 1-chome, Chuou-k, Tokyo 31, JP)
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