Hologram recording and playback device and hologram playback method
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United States of America Patent
Stats
-
May 16, 2017
Grant Date -
Feb 11, 2016
app pub date -
Apr 8, 2013
filing date -
Apr 8, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A hologram recording and playback device is provided with: a medium rotation unit which rotates a hologram recording medium around a predetermined rotational axis; a movement unit which is capable of moving the position of the medium rotation unit within a plane that is perpendicular to the rotational axis; an orthogonal incident angle modification unit which is capable of modifying an orthogonal incident angle; a medium rotation control unit which controls the medium rotation unit so as to rotate the hologram recording medium; an eccentricity compensation unit which performs positioning control of the movement unit; an orthogonal incident angle control unit which controls the orthogonal incident angle modification unit; and an orthogonal incident angle calculation unit which calculates the orthogonal incident angle.
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Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 16, 2024 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 16, 2028 |
