Hologram retention method
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United States of America Patent
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Jun 12, 2007
Grant Date -
Feb 24, 2005
app pub date -
Mar 15, 2004
filing date -
Aug 21, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Information recorded as a hologram in a predetermined position of an optical recording medium is reproduced, and subsequently the reproduced information is re-recorded and retained in the same position as the predetermined position as a hologram. Alternatively, information recorded as a hologram in a predetermined position of an optical recording medium is reproduced, and subsequently the reproduced information is re-recorded and retained in a position different from the predetermined position as a hologram easily.
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