Patent · US Expired

Real time spectroscopic imaging system and method

US5606413A · kind A · utility

38Cited by
7References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 19, 1995
Grant dateFeb 25, 1997
Priority date—
Expiry dateJan 19, 2015

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01J3/2823
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

To dramatically reduce image data processing requirements in spectroscopic imaging systems, an optical filter is alternatingly tuned to a pair of selected passband wavelengths related to an absorption wavelength of a sample under test, such that only light of the two selected wavelengths received from the test sample are recorded as alternating image frames by a CCD optical detector. Successive pairs of consecutive image frames are computer processed, on a corresponding pixel-by-pixel basis, to generate a series of composite image frames that may be displayed in enhanced contrast to permit real time analysis of a sample characteristic of interest.

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