Abstract: An electronic device and a method for controlling the electronic device are provided. The electronic device includes a motion sensor and optical sensors. Each of the optical sensors includes a light emitter and a light receiver. The optical sensors are separately driven to determine a respective signal characteristic of each of the optical sensors. A current state of an object to be measured is determined, based on at least one signal received through the motion sensor or the optical sensors. A light emitter of at least one of the optical sensors is driven, based on the respective signal characteristics of the optical sensors according to the current state of the object to be measured. Based on the respective signal characteristics of the optical sensors, a light signal sensed through a light receiver of at least one of the optical sensors is selected and received.

Abstract: An electronic device and a method for controlling the electronic device are provided. The electronic device includes a motion sensor and optical sensors. Each of the optical sensors includes a light emitter and a light receiver. The optical sensors are separately driven to determine a respective signal characteristic of each of the optical sensors. A current state of an object to be measured is determined, based on at least one signal received through the motion sensor or the optical sensors. A light emitter of at least one of the optical sensors is driven, based on the respective signal characteristics of the optical sensors according to the current state of the object to be measured. Based on the respective signal characteristics of the optical sensors, a light signal sensed through a light receiver of at least one of the optical sensors is selected and received.

Abstract: An audio output device is provided. The audio output device includes a buffering member including a biometric sensor and a first terminal connected to the biometric sensor, a housing including a portion to which the buffering member is mounted, a second terminal disposed in the portion of the housing and electrically connected to the first terminal of the buffering member, and a control circuit positioned inside the housing and operatively connected to the biometric sensor, the first terminal, and the second terminal, wherein the control circuit may be configured to supply power to the biometric sensor through the second terminal if the first terminal and the second terminal are connected, and to receive at least one piece of biometric signal data obtained from the biometric sensor of the buffering member through the second terminal.

Abstract: An electronic device may include at least one sensor, a communication circuit, and at least one processor operatively connected with the at least one sensor and the communication circuit. The at least one processor may be configured to: if change amount of movement of the electronic device obtained via the at least one sensor is within a threshold range, identify a wearing state of the electronic device via the at least one sensor, select a group which corresponds to the wearing state from among a plurality of groups including a first group including saturations of percutaneous oxygen (SpO2s) which may correspond to reference values based on photoplethysmogram (PPG) signals and a second group including other SpO2s which may correspond to the reference values, and obtain a first PPG signal via the at least one sensor, and obtain a first SpO2 using the selected group and a first reference value which is based on the first PPG signal. Other embodiments are possible.

Abstract: According to certain embodiments, a wearable electronic device, comprises: at least one light receiving unit; at least one light emitting unit; an external light calibration circuit; and a processor electrically connected with the at least one light receiving unit, at least one light emitting unit, and the external light calibration circuit, wherein the processor is configured to: control the at least one light emitting unit to radiate light during first periods, and not emit light during second periods, and detect light through the at least one light receiving unit during the second periods, and controlling the external light calibration circuit to provide an input to the at least one light receiving unit during first periods, based on the light detected during the second periods; and wherein during the first periods the at least one light receiving unit provides an output based on light received, and the input from the external light calibration circuit.

Abstract: According to certain embodiments, an electronic device comprises: a sensor module; a communication module; and a processor operatively connected to the sensor module and the communication module, wherein the processor is configured to: measure a body temperature of a user through the sensor module, thereby resulting in a measured body temperature, estimate a core body temperature of the user, based on the measured body temperature, and provide body temperature information of the user, based on the core body temperature, wherein the measured body temperature comprises a shell temperature of a body part making contact with the electronic device, and wherein the core body temperature comprises a core temperature of an internal organ of a body of the user.

Abstract: An electronic device may include: an output module comprising output circuitry, a communication module comprising communication circuitry configured to communicate with at least one external device, a first sensor configured to sense a biometric signal, a second sensor configured to sense an inertial signal, and a processor operatively connected to the output module, the communication module, the first sensor, and the second sensor. The processor may be configured to determine a location of the electronic device for a body based on a signal transmitted or received with the at least one external device through the communication module in response to sensing the biometric signal, to determine a posture of the electronic device based on information obtained through the second sensor, to determine a measurement posture based on the location and the posture of the electronic device, and to provide a guide to correspond the measurement posture to a predetermined reference posture.

Abstract: An electronic device and a method for controlling the electronic device are provided. The electronic device includes a motion sensor and optical sensors. Each of the optical sensors includes a light emitter and a light receiver. The optical sensors are separately driven to determine a respective signal characteristic of each of the optical sensors. A current state of an object to be measured is determined, based on at least one signal received through the motion sensor or the optical sensors. A light emitter of at least one of the optical sensors is driven, based on the respective signal characteristics of the optical sensors according to the current state of the object to be measured. Based on the respective signal characteristics of the optical sensors, a light signal sensed through a light receiver of at least one of the optical sensors is selected and received.

Abstract: An electronic device and method are disclosed herein. The electronic device includes a sensor and a processor. The processor implements the method, including measuring infrared light corresponding to a user using the sensor, and detecting biometric information of the user if the infrared information satisfies a predetermined condition.

Abstract: Provided is an electronic device including a housing; a battery; a user interface; a photoplethysmogram (PPG) sensor including a light receiving module exposed through a portion of the housing, at least one light emitting diode (LED), and at least one photodiode; a processor operatively connected to the battery, the user interface, and the PPG sensor; and a memory. According to an embodiment, the memory stores instructions that, when executed, cause the processor to determine whether the PPG sensor is facing a surface of an external object having a reference color, determine whether to perform a test of the PPG sensor based on whether the PPG sensor is facing the surface, receive data from the PPG sensor by operating the PPG sensor in response to determining to perform the test, and perform calibration of the PPG sensor based on at least a portion of the received data. Other embodiments are possible.

Abstract: An audio output device is provided. The audio output device includes a buffering member including a biometric sensor and a first terminal connected to the biometric sensor, a housing including a portion to which the buffering member is mounted, a second terminal disposed in the portion of the housing and electrically connected to the first terminal of the buffering member, and a control circuit positioned inside the housing and operatively connected to the biometric sensor, the first terminal, and the second terminal, wherein the control circuit may be configured to supply power to the biometric sensor through the second terminal if the first terminal and the second terminal are connected, and to receive at least one piece of biometric signal data obtained from the biometric sensor of the buffering member through the second terminal.

Abstract: A wearable electronic device is disclosed, including a housing including a front plate and a rear plate, three or more rear-side electrodes disposed on the rear plate, a biometric signal processing circuit disposed within the housing, and a processor disposed within the housing and operatively connected to the biometric signal processing circuit. The processor is configured to: based on first information, execute an electrode combining operation by setting at least one rear-side electrode as a first electrode set, and setting at least one other rear-side electrode as a second electrode set, determine whether to execute a recombination operation of the three or more rear-side electrodes based on second information, and detect biometric information using the first electrode set and the second electrode set.

Abstract: An apparatus and method for obtaining biometric information in an electronic device are provided. The electronic device includes a display comprising one or more pixels, the one or more pixels including a first sub pixel, a second sub pixel, and a third sub pixel, and one or more sensors configured to obtain biometric information about an external object, and a processor. The processor is configured to cause the electronic device to: identify first biometric information and second biometric information from the biometric information, and output light having first properties through a first pixel set corresponding to the first biometric information, and obtain the first biometric information using the one or more sensors, and output light having second properties through a second pixel set corresponding to the second biometric information, and obtain the second biometric information using the one or more sensors.

Abstract: Provided is an electronic device including a housing; a battery; a user interface; a photoplethysmogram (PPG) sensor including a light receiving module exposed through a portion of the housing, at least one light emitting diode (LED), and at least one photodiode; a processor operatively connected to the battery, the user interface, and the PPG sensor; and a memory. According to an embodiment, the memory stores instructions that, when executed, cause the processor to determine whether the PPG sensor is facing a surface of an external object having a reference color, determine whether to perform a test of the PPG sensor based on whether the PPG sensor is facing the surface, receive data from the PPG sensor by operating the PPG sensor in response to determining to perform the test, and perform calibration of the PPG sensor based on at least a portion of the received data. Other embodiments are possible.

Abstract: According to various embodiments of the present invention, an electronic device can comprise: a light-emitting module for emitting light; a reflection module for reflecting the light emitted from the light-emitting module; a spectrometric module; and a light receiving module for receiving at least one wavelength band among a plurality of wavelength bands dispersed by the spectrometric module.

Abstract: An electronic device is provided. The electronic device includes a housing, light emitting diodes (LEDs) of a first number, photodetectors of a second number, and a control circuit operatively connected to the LEDs and the photodetectors. The control circuit is configured to cause the LEDs of a third number to emit light sequentially or simultaneously and to cause the photodetectors of a fourth number to detect light from the LEDs of the third number. The third number is 1 or 2. The fourth number is one of an integer that is not less than 2 and is not greater than the second number.

Abstract: The present invention relates to a portable device and a method for measuring skin hydration using the same.

Abstract: According to various embodiments of the present invention, an electronic device can comprise: a light-emitting module for emitting light; a reflection module for reflecting the light emitted from the light-emitting module; a spectrometric module; and a light receiving module for receiving at least one wavelength band among a plurality of wavelength bands dispersed by the spectrometric module.

Abstract: An electronic device for obtaining biological information and a method therefor are provided. The electronic device includes a biometric sensor module including a light emitting module including a first light emitting element having a first attribute and a second light emitting element having a second attribute and light receiving modules disposed adjacent to the light emitting modules, and at least one processor. The at least one processor is configured to determine a distance between the biometric sensor module and an external object based on at least reflected light reflected by collision with the external object among light output from the light emitting module, select at least one of the first light emitting element or the second light emitting element based on the distance, and obtain biometric information about the external object using the selected light emitting element.

Abstract: An apparatus and method for obtaining biometric information in an electronic device are provided. The electronic device includes a display comprising one or more pixels, the one or more pixels including a first sub pixel, a second sub pixel, and a third sub pixel, and one or more sensors configured to obtain biometric information about an external object, and a processor. The processor is configured to cause the electronic device to: identify first biometric information and second biometric information from the biometric information, and output light having first properties through a first pixel set corresponding to the first biometric information, and obtain the first biometric information using the one or more sensors, and output light having second properties through a second pixel set corresponding to the second biometric information, and obtain the second biometric information using the one or more sensors.