Method and electronic device for correcting measurement value of sensor

    公开(公告)号:US11429234B2

    公开(公告)日:2022-08-30

    申请号:US16759121

    申请日:2018-10-19

    Abstract: An electronic device according to various embodiments of the present invention may comprise: at least one electrode having conductivity; a capacitance sensor, at least one switch electrically connected between the at least one electrode and the capacitance sensor, and capable of selectively connecting the at least one electrode and the capacitance sensor; and a control circuit, wherein the control circuit measures a first capacitance value by using the capacitance sensor in a state where the at least one switch is open, measures a second capacitance value corresponding to an external object contacting the at least one electrode, by using the capacitance sensor in a state where the at least one switch is connected, corrects the second capacitance value by using the first capacitance value, and determines the corrected second capacitance value as a capacitance value for the external object. Various other embodiments are possible.

    Optical sensor module and power control method thereof

    公开(公告)号:US11781908B2

    公开(公告)日:2023-10-10

    申请号:US17541358

    申请日:2021-12-03

    Abstract: According to certain embodiments, an electronic device comprises: a housing; an optical sensor module disposed in the housing and including one or more light-emitting elements, and one or more light-receiving elements; a light source driver disposed in the housing and configured to control power supply of the one or more light-emitting elements; and at least one processor disposed in the housing and operatively connected to the optical sensor module and the light source driver, wherein the at least one processor is configured to identify a light source of the one or more light-emitting elements and turn-on/off timings of the one or more light-emitting elements according to a sensor measurement mode or a measurement function when the optical sensor module is driven, configure a control signal of the light source driver in response to the identified turn-on/off timings of the one or more light-emitting elements, based on the control signal, apply an output voltage of the light source driver as power of the one or more light-emitting elements in a turn-on period of the one or more light-emitting elements, and block the power of the one or more light-emitting elements by limiting output of the light source driver in a turn-off period of the one or more light-emitting elements.

    Electronic apparatus capable of measuring biosignals

    公开(公告)号:US12274540B2

    公开(公告)日:2025-04-15

    申请号:US18172023

    申请日:2023-02-21

    Abstract: An electronic device is provided. The electronic device includes a housing including a portion of a conductive portion, a display visually exposed to an outside through a portion of the housing, a communication circuit electrically connected to the conductive portion, a sensor electrically connected to the conductive portion, a first blocking circuit connected between the conductive portion and the communication circuit and configured to block a signal in a first frequency range, a second blocking circuit connected between the conductive portion and the sensor to block a signal in a second frequency range, and a processor operatively connected to the display, the communication circuit and the sensor, wherein the conductive portion is configured to operate as an antenna of the communication circuit and a biometric electrode of the sensor.

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