Apparatus and method for processing data stored in page-wise mem

Details Apparatus and method for processing data stored in page-wise mem Apparatus and method for processing data stored in page-wise mem

1996-12-26

1998-11-17

Henry, Jon W.

Optical: systems and elements

Holographic system or element

Having defined page composer

36518907, 365216, G11C 700, G11C 1304, G03H 102

Patent

active

058384693

ABSTRACT:
Embodiments of the invention include a data receiving apparatus and method of a holographic or other page-wise memory system for processing information read from the memory system's storage medium. The data apparatus includes a multi-dimensional array of pixel elements comprised of pixel detectors and corresponding pixel circuit. The pixel detectors detect information such as light information representing data stored in the memory system. The pixel circuits determine a value representative of the information detected by the individual pixel detectors. Additionally, the apparatus includes active processing circuitry advantageously fabricated in conjunction with the pixel circuits to provide additional "on-chip" processing capabilities, including analog inter-pixel processing. The advantageous arrangement of the additional processing improves processing times, reduces the unprocessed data flow out of the apparatus, and reduces circuitry design space and cost.

REFERENCES:
patent: 5319629 (1994-06-01), Henshaw et al.
patent: 5450218 (1995-09-01), Heanue et al.
Demetri Psaltis and Fai Mok, Holographic Memories, Scientic American, Nov. 1995, pp. 70-76.

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