US PATENT SUBCLASS 356 / 307
.~ With background radiation comparison


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



356 /   HD   OPTICS: MEASURING AND TESTING

300  DF  BY DISPERSED LIGHT SPECTROSCOPY {10}
307.~ With background radiation comparison


DEFINITION

Classification: 356/307

With background radiation comparison:

(under subclass 300) Subject matter which includes means to detect and measure the intensity of at least one spectral line present in emitted radiation relative to the total emitted radiation present.

SEE OR SEARCH THIS CLASS, SUBCLASS:

306, for the comparison involving emitted radiation of a known spectral line intensity and wavelength of an element with the intensity of the spectral line or lines of a tested chemical element, both the known and unknown element being present in the same emitted radiation.