US PATENT SUBCLASS 73 / 23.23
.~.~.~ Baseline drift correction circuitry

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

23.2  DF  GAS ANALYSIS {15}
23.21  DF  .~ With compensation detail (for error or drift correction, etc.) {2}
23.22  DF  .~.~ For gas chromatography {4}
23.23.~.~.~ Baseline drift correction circuitry

DEFINITION

Classification: 73/23.23

Baseline drift correction circuitry:

(under subclass 23.22) Subject matter which includes circuitry for correcting a systematic shift in the spectra of the chromatogram.