Apparatus for fast access to a series of stored images

Details Apparatus for fast access to a series of stored images Apparatus for fast access to a series of stored images

G - Physics

10

H

88/0.14

G10H 1/02 (2006.01) G11C 13/04 (2006.01)

Patent

CA 1184409

TITLE APPARATUS FOR FAST ACCESS TO A SERIES OF STORED IMAGES INVENTOR Alexander Szabo ABSTRACT OF THE DISCLOSURE The apparatus includes a frequency selective memory having a storage material for storing frequency holes in at least two spatial dimensions and a frequency dimension. Interference patterns are stored in the memory such that each complete interference pattern is found in the spatial dimensions while the series of interference patterns is in the frequency dimension. A laser beam is directed onto the surface of the memory to read the memory. By changing the electric field across the storage material, subsequent interference patterns are shifted in the frequency dimension into resonance with the laser beam thereby changing the interference pattern detected. The interference patterns may be a series of holographic interference patterns which would provide as an output a series of three dimensional images, or they may be a series of gratingd which would provide a laser beam which scans in a spatial dimen- sion as an output.

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