Patent · US Expired

Optical spectral analysis apparatus

US5137364A · kind A · utility

120Cited by
11References
24Claims
0Family size

Inventor

Key dates

Filing dateJan 31, 1991
Grant dateAug 11, 1992
Priority date
Expiry dateJan 31, 2011

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2201/0833
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Apparatus for low cost measurement of light energy in terms of multiple spectral integrations with differing wavelength-dependent weights for consistency of measurements in spite of variations in component characteristics or temperature.

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