Patent · US Expired

Structure of biaxial photometer

US5221961A · kind A · utility

4Cited by
4References
3Claims
0Family size

Inventor

Key dates

Filing dateFeb 27, 1992
Grant dateJun 22, 1993
Priority date
Expiry dateFeb 27, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N21/59
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A biaxial photometer, comprising a mainframe having an optical system secured thereto at one end by a rotary shaft for holding a horizontal sample holder when it is rotated to a horizontal position, or a vertical sample holder when it is rotated to a vertical position. Sample test tube can be inserted in the horizontal sample holder or the vertical sample holder and disposed in a horizontal or vertical position in the passage of the light beam emitted from the optical system for making an assay horizontally or vertically as desired.

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