G - Physics – 11 – C
Patent
G - Physics
11
C
G11C 11/42 (2006.01) G11C 7/00 (2006.01) G11C 11/56 (2006.01) G11C 13/04 (2006.01)
Patent
CA 2127101
ABSTRACT OF THE DISCLOSURE An optical memory is disclosed in which data is stored in an optical data layer capable of selectively altering light such as by changeable transmissivity, reflectivity, polarization, and/or phase. The data is illuminated by controllable light sources and an array of multi-surface imaging lenslets project the image onto a common array of light sensors. Data is organized into a plurality of regions or patches (called pages) and by selective illumination of each data page, one of the lenslets images the selected data page onto the light sensors. Light in the data image pattern strikes different ones of the arrayed light sensors, thereby outputting a pattern of binary bits in the form of electrical data signals. By selectively and sequentially illuminating different ones of the data regions (pages) on the data layer, correspondingly different data patterns are imaged by the corresponding lenslets onto the common sensor array, thereby enabling many stored data pages to be retrieved by multiplexing at electro-optical speed.
Ioptics Incorporated
Mitchell Richard J.
LandOfFree
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