Patent · US Expired

Particle analyzing apparatus

US4690561A · kind A · utility

33Cited by
4References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 13, 1986
Grant dateSep 1, 1987
Priority date
Expiry dateJan 13, 2006

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2021/6421
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

There is disclosed a particle analyzing apparatus having an irradiating optical system for irradiating a particle to be examined, flowing in a flow section of a flow cell, with a light beam, a measuring optical system for measuring the light scattered by the particle, an optical detection system for projecting a positioning light beam onto a determined wall of the flow cell and detecting the light reflected from the wall, and a device for varying the relative position of the measuring optical system with respect to the flow cell according to the output of the optical detection system.

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