US 12,471,811 B2
Sensor reliability detection and power management
Stefano Paolo Rivolta, Desio (IT); and Roberto Mura, Milan (IT)
Assigned to STMICROELECTROINCS S.R.L., Agrate Brianza (IT)
Filed by STMICROELECTRONICS S.R.L., Agrate Brianza (IT)
Filed on Sep. 20, 2022, as Appl. No. 17/933,739.
Prior Publication US 2024/0090800 A1, Mar. 21, 2024
Int. Cl. A61B 5/1455 (2006.01); A61B 5/00 (2006.01); A61B 5/0205 (2006.01); G01R 31/28 (2006.01)
CPC A61B 5/14552 (2013.01) [A61B 5/0205 (2013.01); A61B 5/681 (2013.01); G01R 31/2879 (2013.01); A61B 2560/0223 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A device, comprising:
an optical sensor configured to generate a measurement;
a ground electrode electrically coupled to ground;
a receiving electrode configured to receive electrostatic charge variation, the receiving electrode being spaced from the ground electrode by the optical sensor;
an electrostatic charge sensor electrically coupled to the receiving electrode, the electrostatic charge sensor configured to measure the electrostatic charge variation; and
a processor configured to determine a level of accuracy of the measurement based on the measured electrostatic charge variation.