Patent · US Active

Ammonia sensor using wavelength modulation spectroscopy

US9121838B2 · kind B2 · utility

2Cited by
0References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 2014
Grant dateSep 1, 2015
Priority date
Expiry dateMar 3, 2034

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02A50/20
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An ammonia sensor can include a laser detector configured to provide stable sample readings. The sensor can implement a method including processing the recorded intensity of the laser beam to determine a first harmonic component and a second harmonic component and the amount of ammonia in the sample.

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