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7339710 Holographic recording medium, holographic reading system, and data reading method from the holographic recording medium  
A holographic disc recording medium records a hologram over the entire holographic disc recording medium by using a conical reference beam for recording. A hologram recorded image includes recorded...
7333251 Holographic data recording apparatus and method  
A holographic data recording apparatus includes: a signal beam patterning unit for irradiating a signal beam onto a holographic medium, the signal beam including a data pattern to be recorded; a...
6980337 Apparatus and method for recording digital data on a holographic storage system  
A holographic apparatus includes a mask for modulating a signal beam to generate a modulated signal beam; a conical prism, which has a cone portion and a base portion, for refracting a reference...
6972982 Ring-shaped prism of a holographic ROM system  
A holographic system for storing data on an interference pattern in a hologram storage medium includes a light source for emitting a laser beam, a beam splitter, modulating means and a refractive...
Matches 1 - 4 out of 4