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7209270 Method and apparatus for phase correlation holographic drive  
A holographic storage apparatus for recording data in a holographic medium includes at least one light source for generating a reference beam and a signal beam. The reference beam is preferably a...
7193757 Angle multiplexing holographic storage device and method  
In an angle multiplexing holographic storage device, a movable beam splitter is used for splitting a source beam into an object beam and a reference beam. An encoding device is used for encoding...
7092344 Apparatus for creating a multi-dimensional data signal  
An optical disk drive ( 101 ) is disclosed which has essentially no seek time. The drive utilizes a Virtual Head (VH) ( 103 ) which is capable of accessing any and/or all tracks in an optical disk...
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