Systems In Which Incident Light Is Modified In Accordance With The Properties Of Material Investigated (go1n 21/17) Patents (Class 356/931)
Cross-Reference Art Collections
- Colorimeters (GO1N 21/25B) (Class 356/940)
- Arrangements using two alternating lights and one detector (GO1N 21/25D) (Class 356/942)
- Using photo-electric detection (GO1N 21/27) (Class 356/943)
- Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g., atomic absorption spectrometry (GO1N 21/31) (Class 356/945)