Hierarchically multiplexed optical recording system for storage

Details Hierarchically multiplexed optical recording system for storage Hierarchically multiplexed optical recording system for storage

1990-06-12

1991-08-06

Canney, Vincent P.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

360 57, G11B 576

Patent

active

050383353

ABSTRACT:
Apparatus and method for converting a series of discrete units of incoming digital data into a set of integer values and representing said values holographically, by dimensionalizing multiple aspects of reference laser signal, and multiplexing said aspects at the same storage location. The integer set is represented logarithmically by manipulating the dimensionalized aspects in a hierarchical order, resulting in a 16-fold increase in data density at the same physical storage location, as compared with a conventional binary storage system.

REFERENCES:
patent: 4569035 (1986-02-01), Tomita

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