Changeable machine readable assaying indicia

Details Changeable machine readable assaying indicia Changeable machine readable assaying indicia

2006-08-08

2006-08-08

Dunn, Drew A. (Department: 2876)

Registers

Systems controlled by data bearing records

C235S462040, C235S494000, C422S051000

Reissue Patent

active

RE039226

ABSTRACT:
A machine readable assaying system including an assay card having a machine readable assaying indicia located upon a surface of the card. At least one analysis element is provided with the assaying indicia, and is capable of monitoring a parameter to detect and optically signal the presence or absence of a desired state. The analysis elements composing, at least in part, an assaying mechanism in the form a pattern of elements, generally additionally including at least one fixed element, and or at least one blank region.

REFERENCES:
patent: 4042329 (1977-08-01), Hochstrasser
patent: 4059407 (1977-11-01), Hochstrasser

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