Patent · US Active

Optical particle detector

US11221289B2 · kind B2 · utility

2Cited by
5References
21Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 20, 2019
Grant dateJan 11, 2022
Priority date
Expiry dateJan 24, 2040

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2021/4716
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An optical detector for particles is provided, including: a channel configured to receive a fluid including at least one particle and to receive at least one incident light ray; a detection system including a plurality of photodetectors, each photodetector being configured to receive light rays coming from the channel and diffused by the at least one particle; and an angular filtering system including a plurality of angular filtering devices each associated with a photodetector of the plurality of photodetectors, each angular filtering device being configured to angularly filter the light rays coming from the channel before reception thereof by the photodetector with which it is associated.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.