US 12,487,219 B2
System and a method of operating a gas sensor in a portable electronic device
Chethanath Saranya, Rodenkirchen (DE); Aibin Paul Lazar, Reutlingen (DE); and Richard Fix, Weil Im Schoenbuch (DE)
Assigned to Robert Bosch GmbH, Stuttgart (DE); and Robert Bosch Engineering and Business Solutions Private Limited, Bangalore (IN)
Appl. No. 18/248,487
Filed by Robert Bosch GmbH, Stuttgart (DE); and Robert Bosch Engineering and Business Solutions Private Limited, Bangalore (IN)
PCT Filed Sep. 22, 2021, PCT No. PCT/EP2021/076087
§ 371(c)(1), (2) Date Apr. 10, 2023,
PCT Pub. No. WO2022/089847, PCT Pub. Date May 5, 2022.
Claims priority of application No. 202041047453 (IN), filed on Oct. 30, 2020.
Prior Publication US 2023/0393111 A1, Dec. 7, 2023
Int. Cl. G01N 27/04 (2006.01); G01N 33/00 (2006.01); G06F 1/3215 (2019.01)
CPC G01N 33/0062 (2013.01) [G01N 27/04 (2013.01); G06F 1/3215 (2013.01); G01N 33/0068 (2024.05)] 10 Claims
OG exemplary drawing
 
1. A method of operating a gas sensor in a portable electronic device, said gas sensor is configured to operate in a ultra-low power mode when said portable electronic device is inactive and said gas sensor is configured to operate in a normal power mode when said portable electronic device is active, said method comprising:
storing a baseline resistance value of said gas sensor in said ultra-low power mode;
transitioning said gas sensor to a normal power mode;
computing a rate of stabilization of resistance value of said gas sensor in said normal power mode; and
estimating a stabilized resistance value of said gas sensor in said normal power mode based on said rate of stabilization of resistance value of said gas sensor in said normal power mode, said stored baseline resistance value in said ultra-low power mode, and a comparison chart of stabilized resistance values of said gas sensor in said ultra-low power mode and said normal power mode.