System having optically encoded information

Details System having optically encoded information System having optically encoded information

1994-05-16

1995-12-26

Allen, Stephone B.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

359622, 235454, G06K 710

Patent

active

054790263

ABSTRACT:
A optical system having optically encoded information includes a microptic multiplet (MOM) optical system on compact arrays or cards for both secure (encrypted) and non-secure applications where the presence or position of optical micro-lenses is indicative of the encoded information. The system is characterized by a first microptic lens module (MLM) that has data optically encoded thereon based on the position of a lenslet in a lenslet cell. One or more additional microptic lens modules can be used as a key(s) to interpret the data.

REFERENCES:
patent: 4867514 (1989-09-01), Waldron
patent: 5270859 (1993-12-01), Wirth et al.
patent: 5291334 (1994-03-01), Wirth et al.
patent: 5424533 (1995-06-01), Schmutz

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