Optical readers
US10620126B2 · kind B2 · utility
0Cited by
4References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 29, 2016 |
| Grant date | Apr 14, 2020 |
| Priority date | — |
| Expiry date | Mar 2, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/0635
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Optical readers are disclosed in examples herein. An example optical reader including a light source to emit a light beam; and a spot pattern generator to receive the light beam and to generate a two-dimensional spot array from the light beam, the two-dimensional spot array to be directed toward a substrate having nanostructures, the two-dimensional spot array to be sensed to detect a presence or an absence of a substance of interest on the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.