Patent ID: 11861998
Assignee: STMICROELECTRONICS S.R.L.
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 12:
13. A method for detecting a presence in an environment to be monitored, comprising:
detecting, by an electrostatic charge variation sensor, a variation of electrostatic charge in said environment and generating an electrostatic charge variation signal;
detecting, by one of a vibration sensor or an environmental sensor operatively coupled to the environment to be monitored, respectively, an environmental vibration in the environment to be monitored and generating a vibration signal or an environmental pressure in the environment to be monitored and generating a pressure signal;
acquiring, by a processor, from the electrostatic charge variation sensor, the electrostatic charge variation signal;
detecting, by the processor, in said electrostatic charge variation signal, first signal characteristics indicative of the presence of a subject in said environment to be monitored;
acquiring, by the processor, from said one of the vibration sensor or the environmental sensor, respectively the vibration signal or the pressure signal;
detecting, by the processor, in said vibration signal or pressure signal acquired, respective second signal characteristics indicative of the presence of the subject in said environment to be monitored; and
generating, by the processor, a warning signal if both the first and the second signal characteristics have been detected.