Changeable machine readable assaying indicia
US5902982A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Feb 18, 1998 |
| Grant date | May 11, 1999 |
| Priority date | — |
| Expiry date | Feb 18, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG16H10/65
- WIPO fieldMeasurement
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.