Compact spectrometer unit and bio-signal measuring apparatus
US10883876B2 · kind B2 · utility
1Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 23, 2019 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Oct 23, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J2003/2806
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided is a compact spectrometer including a light blocking layer having an aperture, a micro lens provided in contact with the light blocking layer, the micro lens being configured to collimate light having passed through the aperture, a filter array configured to filter the collimated light, and a photodetector array configured to detect the filtered light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.