US 11,953,481 B2
Gas sensing device and method for determining a calibrated measurement value for a concentration of a target gas
Caterina Travan, Munich (DE); Cecilia Carbonelli, Munich (DE); and Ulrich Krumbein, Rosenheim (DE)
Assigned to INFINEON TECHNOLOGIES AG, Neubiberg (DE)
Filed by Infineon Technologies AG, Neubiberg (DE)
Filed on Jan. 11, 2022, as Appl. No. 17/647,651.
Claims priority of application No. 21153012 (EP), filed on Jan. 22, 2021.
Prior Publication US 2022/0236244 A1, Jul. 28, 2022
Int. Cl. G01N 33/00 (2006.01); G01N 27/12 (2006.01); G01N 27/02 (2006.01); G01N 27/22 (2006.01)
CPC G01N 33/0006 (2013.01) [G01N 27/12 (2013.01); G01N 33/0008 (2013.01); G01N 33/0027 (2013.01); G01N 33/0034 (2013.01); G01N 27/028 (2013.01); G01N 2027/222 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A gas sensing device for sensing a target gas, the gas sensing device comprising:
a sensing unit for sensing the target gas, the sensing unit being configured for providing a measurement signal based on a concentration of the target gas in an environment of the gas sensing device;
a signal calibration unit, configured for determining a calibrated measurement value based on the measurement signal and based on a calibration model,
wherein the calibration model is based on calibration data of a plurality of test sensor units having a same type as the sensing unit, and
wherein the signal calibration unit is further configured for, in response to determining malfunctioning of the gas sensing device, switching the calibration model to a second calibration model for the sensing unit.