Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 30, 2021
0Patent Application Number
168791520
Date Filed
May 20, 2020
0Patent Primary Examiner
Patent abstract
In accordance with an embodiment, a method of measuring a gas concentration includes modulating an infrared light source according to a frequency-hopped sequence or according to a pulse sequence, receiving a microphone signal from an output of a microphone acoustically coupled to a gas exposed to infrared light produced by the infrared light source; bandpass filtering the microphone signal using a bandpass filter; and estimating the gas concentration from the filtered microphone signal.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
