Multiple resolution machine readable symbols

Details Multiple resolution machine readable symbols Multiple resolution machine readable symbols

1990-10-30

1992-10-06

Levy, Stuart S.

Registers

Records

Particular code pattern

235456, 235487, 283 93, 380 51, 382 56, G06K 1906, G06K 710, G06K 1900, G06K 936

Patent

active

051534185

ABSTRACT:
A multiple resolution optically encoded label is readable at two more optical resolutions, and is able to store two or more respective channels of optically encoded information. Low resolution information is encoded in a plurality of large cells arranged in a predetermined geometric pattern. Each of the large cells includes a plurality of smaller cells for storing high resolution information. Method and apparatus are disclosed for encoding both high resolution data, and low resolution data, as well as for finding and reading both high resolution and low resolution data.

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