SYSTEM AND METHOD FOR DIAGNOSING THE OPERATING STATE OF A MICROELECTROMECHANICAL SENSOR

    公开(公告)号:EP3761041A1

    公开(公告)日:2021-01-06

    申请号:EP20182977.7

    申请日:2020-06-29

    Abstract: A system (1) for diagnosing the operating state of a MEMS sensor (2) envisages: a stimulation device (4), external to the MEMS sensor (2), configured to generate a stimulation signal (S t ) designed to be detected by the MEMS sensor (2); and a control unit (5), operatively coupled to the stimulation device (4) and to the MEMS sensor (2), so as to control the stimulation device (4) for generation of the stimulation signal (S t ) and receive a diagnostic signal (S d ) generated by the MEMS sensor (2) in response to the stimulation signal (S t ) and perform a processing of the diagnostic signal (S d ) as a function of an expected response to the stimulation signal (S t ) by the MEMS sensor (2) in order to determine the operating state of the same MEMS sensor (2). The system is moreover provided with a verification device (6), which receives the stimulation signal and generates a verification signal; the control unit is operatively coupled to the verification device for receiving the verification signal in order to carry out a preliminary verification of proper generation of the stimulation signal by the stimulation device.

    SENSOR DEVICE FOR FLAME PRESENCE DETECTION
    12.
    发明公开

    公开(公告)号:EP4428441A1

    公开(公告)日:2024-09-11

    申请号:EP24159069.4

    申请日:2024-02-22

    Abstract: Sensor device (10) for detecting a flame (12), comprising: a carbon dioxide sensor (20) for detecting a CO2 concentration; a fuel sensor (30) for detecting the combustion of a fuel; an electrostatic charge variation sensor (40) for detecting electrostatic charge variations generated by the flame (12); and a control unit (50). The control unit (50) is configured to: acquire a carbon dioxide signal (SA) indicative of the concentration of carbon dioxide, a fuel signal (Sc) indicative of the fuel combustion, and an electrostatic charge variation signal (SQ) indicative of a difference between the electrostatic charge variations detected by a first (40a) and a second (40b) electrode of the electrostatic charge variation sensor (40); determine a quantized signal (SQ') based on the electrostatic charge variation signal (SQ); determine an aggregate datum (IA) based on the carbon dioxide signal (SA), the fuel signal (Sc) and the electrostatic charge variation signal (SQ); and generate, based on the aggregate datum (IA), a flame signal (SF) indicative of the presence or absence of the flame.

    VOICE RECOGNITION SYSTEM AND METHOD USING ACCELEROMETERS FOR SENSING BONE CONDUCTION

    公开(公告)号:EP4131256A1

    公开(公告)日:2023-02-08

    申请号:EP22186626.2

    申请日:2022-07-25

    Abstract: Voice command recognition and natural language recognition are carried out using an accelerometer (14) that senses signals from the vibrations of one or more bones of a user and receives no audio input. Since word recognition is made possible using solely the signal from the accelerometer from a person's bone conduction as they speak, an acoustic microphone is not needed and thus not used to collect data for word recognition. A housing contains the accelerometer (14) and a processor (16), both within the same housing (10). The accelerometer is preferably a MEMS accelerometer which is capable of sensing the vibrations that are present in the bone of a user as the user is speaking words. A machine learning algorithm is applied to the collected data to correctly recognize words spoken by a person with significant difficulties in creating audible language.

    SENSOR DEVICE, SYSTEM AND METHOD
    14.
    发明公开

    公开(公告)号:EP4030401A1

    公开(公告)日:2022-07-20

    申请号:EP22150357.6

    申请日:2022-01-05

    Abstract: An integrated circuit includes sensing circuitry (112) and processing circuitry (114). The processing circuitry processes received sensor-session requests and received sensor-service requests. Processing a received sensor-service request includes determining a type of the received sensor-service request. In response to determining the received sensor-service request is of a first type, results information is generated in response to the received sensor-service request of the first type based on sensor data generated by the sensing circuitry. In response to determining the received sensor-service request is of a second type, remote-server processing based on the received sensor-service request of the second type is initiated, and a response to the received sensor-service request of the second type is generated based on a received response to the initiated remote-server processing.

    PRESENCE DETECTION DEVICE AND METHOD, IN PARTICULAR FOR ANTI-INTRUSION SYSTEMS

    公开(公告)号:EP3896665A1

    公开(公告)日:2021-10-20

    申请号:EP21167477.5

    申请日:2021-04-08

    Abstract: A detection device (1) is provided with: an infrared temperature sensor (2), which provides a temperature signal (S T ) associated with a heat emission of at least one individual within a monitored area; an electrostatic-charge-variation sensor (4), which provides a charge-variation signal (S Q ) indicative of a variation of electrostatic charge associated with the at least one individual; and a processing unit (6), coupled to the infrared temperature sensor (2) and to the electrostatic-charge-variation sensor (4) to receive the temperature signal (S T ) and the charge-variation signal (S Q ) and jointly process the temperature signal (S T ) and the charge-variation signal (S Q ) for detecting the presence of the at least one individual within the monitored area.

    SELF-TEST FOR ELECTROSTATIC CHARGE VARIATION SENSORS

    公开(公告)号:EP4215930A1

    公开(公告)日:2023-07-26

    申请号:EP23151716.0

    申请日:2023-01-16

    Abstract: Method and device for performing self-tests for electrostatic charge variation sensors. The device comprises a first stimulus electrode (14) configured to transmit a stimulus signal; a first receiving electrode (12) facing the first stimulus electrode (12), the first receiving electrode (12) configured to receive an electrostatic charge variation in a surrounding environment; an electrostatic charge variation sensor (16) coupled to the first receiving electrode (12), the electrostatic charge variation sensor configured to generate a first electrostatic charge variation measurement of the electrostatic charge variation and generate a second electrostatic charge variation measurement of the electrostatic charge variation, the second electrostatic charge variation measurement being generated in response to the stimulus signal being transmitted by the first stimulus electrode; and a processor (18) coupled to the electrostatic charge variation sensor (16), the processor (18) configured to perform a self-test on the electrostatic charge variation sensor using the first electrostatic charge variation measurement and the second electrostatic charge variation measurement, and output a result of the self-test that indicates the electrostatic charge variation sensor has passed or failed the self-test. The self-tests is performed while an electrostatic charge variation sensor is active and without interruption to the application employing the electrostatic charge variation sensor.

    DEVICE AND METHOD FOR AUTOMATIC DETECTION OF ROAD CONDITIONS FOR VEHICLE APPLICATIONS

    公开(公告)号:EP4134284A1

    公开(公告)日:2023-02-15

    申请号:EP22184131.5

    申请日:2022-07-11

    Abstract: A road condition detection device (1), to be coupled to the wheel (2) of a vehicle (3), is provided with: an electrostatic charge variation sensor (14), to provide a charge variation signal (S Q ) indicative of an electrostatic charge variation associated with the rotation of the wheel (2); and a processing unit (16), coupled to the electrostatic charge variation sensor (14) to receive the charge variation signal (S Q ) and furthermore for receiving a rotation speed signal (Sv) indicative of the rotation speed of the wheel (2). In particular, the processing unit (16) jointly processes the rotation speed signal (Sv) and the charge variation signal (S Q ) to detect a road condition of a wet road condition and a dry road condition.

    DEVICE AND METHOD FOR MEASURING THE FLOW OF A FLUID IN A TUBE MOVED BY A PERISTALTIC PUMP

    公开(公告)号:EP3995788A1

    公开(公告)日:2022-05-11

    申请号:EP21207025.4

    申请日:2021-11-08

    Abstract: A device for measuring (1) the flow of fluid inside a tube (2) moved by a peristaltic pump (3) is provided with: a detection electrode arrangement (6) coupled to the tube (2) to detect an electrostatic charge variation originated by the mechanical action of the peristaltic pump (3) on the tube (2); a signal processing stage (8), electrically coupled to the detection electrode arrangement (6) to generate an electrical charge variation signal (S Q ); and a processing unit (10), coupled to the signal processing stage (8) to receive and process in the frequency domain the electrical charge variation signal (S Q ) to obtain information on the flow of a fluid that flows through the tube (2) based on the analysis of frequency characteristics of the electrical charge variation signal (S Q ).

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