Abstract: Embodiments of the present disclosure provide an ECG monitoring device that comprises a housing cable comprising a plurality of signal cables positioned therein and a set of electrodes positioned along the housing cable. Each of the set of electrodes may contact a particular location of a user without requiring any muscular activity of the user when the ECG monitoring device is connected to the user. The ECG monitoring device may further comprise a computing device positioned along the housing cable and operatively coupled to each of the four or more electrodes via a respective signal cable of the plurality of signal cables. The computing device may comprise a memory and a processing device operatively coupled to the memory, the processing device to perform, using the four or more electrodes, an electrocardiogram (ECG) of the user.

Abstract: An apparatus for sensing a heart rate of a subject, including an eyewear frame and a heart rate sensing circuit. The sensing circuit includes first and second piezoelectric sensors configured to be in communication with the subject's skin and to generate first and second voltage signals in response to a periodic vibration in at least one artery of the subject, a first voltage amplifier configured to receive the first voltage signal and output a first amplified voltage signal related to the heart rate of the subject, a second voltage amplifier configured to receive the second voltage signal and output a second amplified voltage signal related to the heart rate of the subject, and a device configured to output a differential signal that is a representation of a difference between the first amplified voltage signal and the second amplified voltage signal that relates to the heart rate.

Abstract: An apparatus for sensing a heart rate of a subject, including an eyewear frame and a heart rate sensing circuit. The sensing circuit includes first and second piezoelectric sensors configured to be in communication with the subject's skin and to generate first and second voltage signals in response to a periodic vibration in at least one artery of the subject, a first voltage amplifier configured to receive the first voltage signal and output a first amplified voltage signal related to the heart rate of the subject, a second voltage amplifier configured to receive the second voltage signal and output a second amplified voltage signal related to the heart rate of the subject, and a device configured to output a differential signal that is a representation of a difference between the first amplified voltage signal and the second amplified voltage signal that relates to the heart rate.

Abstract: A system and method for data transmission over an audio jack are disclosed. A particular embodiment includes: an audio interface including an audio jack, the audio interface including a right audio signal interface and a left audio signal interface; a data extractor coupled to the audio interface, the data extractor being configured to receive an audio stream via the audio interface and to isolate data encoded into the audio stream as out-of-phase data tones; and a microcontroller coupled to the data extractor to receive and process the data isolated by the data extractor.

Abstract: Embodiments of the present disclosure provide techniques and configurations for an apparatus for stress event detection. In some embodiments, the apparatus may be a wearable device and may include at least one first sensor disposed on the wearable apparatus to generate a first sensor signal indicative of a brain activity of a user, at least one second sensor disposed on the wearable apparatus to generate a second sensor signal indicative of a heart rate of the user, and at least one third sensor disposed on the wearable apparatus to generate a third sensor signal indicative of a respiration rate of the user. The apparatus may further include a controller coupled with the at least first, second, and third sensors, to detect a stress event for the user, based at least in part on the first, second, and third sensor signals. Other embodiments may be described and/or claimed.

Abstract: A system and method for data transmission and power supply capability over an audio jack for mobile devices are disclosed. A particular embodiment includes: a peripheral device including an energy storage component, a microphone using a microphone bias voltage, and a select switch configured to provide a first switch position wherein charging of the energy storage component using the microphone bias voltage via the microphone conductor is enabled, the select switch being configured provide a second switch position wherein charging of the energy storage component using the microphone bias voltage via the microphone conductor is disabled; and a mobile device and an application (app) executable in the mobile device to produce a switching tone on the audio signal conductor of the audio jack, the switching tone causing the select switch to transition to the first switch position or the second switch position.

Abstract: A system and method for device action and configuration based on user context detection from sensors in peripheral devices are disclosed. A mobile device includes an interface to receive sensor data from a sensor of a wearable peripheral device worn by a user. The mobile device further includes at least one processor to: identify an activity engaged in by the user based on the sensor data, detect a completion of the activity based on the sensor data, and configure the mobile device to generate a notification to the user in response to the detection of the completion of the activity.

Abstract: Methods and apparatus for detecting respiration phases are disclosed herein. An example apparatus for analyzing vibration signal data collected from a nasal bridge of a subject via a sensor to reduce errors in training an artificial neural network using the vibration signal data includes a feature extractor to identify feature coefficients of the vibration signal data. In the example apparatus, the artificial neural network is to generate a respiration phase classification for the vibration signal data based on the feature coefficients. The example apparatus includes a classification verifier to verify the respiration phase classification and an output generator to generate a respiration phase output based on the verification.

Abstract: Embodiments of the present disclosure provide techniques and configurations for an apparatus for stress event detection. In some embodiments, the apparatus may be a wearable device and may include at least one first sensor disposed on the wearable apparatus to generate a first sensor signal indicative of a brain activity of a user, at least one second sensor disposed on the wearable apparatus to generate a second sensor signal indicative of a heart rate of the user, and at least one third sensor disposed on the wearable apparatus to generate a third sensor signal indicative of a respiration rate of the user. The apparatus may further include a controller coupled with the at least first, second, and third sensors, to detect a stress event for the user, based at least in part on the first, second, and third sensor signals. Other embodiments may be described and/or claimed.

Abstract: Brain activity detection technologies are disclosed. In some embodiments the technologies include a brain activity detection system that includes a sensor block including that includes at least one reference electrode and at least one sense electrode. The reference and sense electrodes are configured to produce analog reference and analog sense signals that are indicative of activity of a brain of a user. A signal processing block may also be included, and is configured to generate at least one digital differential signal based at least in part on the analog reference and analog sense signals. At least one processor may convert the digital differential signal(s) in said time domain to one or more frequency domain digital differential signals. Signal processing on the frequency domain digital differential signal may be performed to determine health information of a user. Devices, methods, and computer readable media utilizing such technologies are also disclosed.

Abstract: A system and method for device action and configuration based on user context detection from sensors in peripheral devices are disclosed. A mobile device includes an interface to receive sensor data from a sensor of a wearable peripheral device worn by a user. The mobile device further includes at least one processor to: identify an activity engaged in by the user based on the sensor data, detect a completion of the activity based on the sensor data, and configure the mobile device to generate a notification to the user in response to the detection of the completion of the activity.

Abstract: Various systems and methods for implementing EMG-based liveness detection are described herein. An EMG-based liveness detection system incorporated into a wearable device includes a plurality of electrodes to sense EMG signal data of a user; an amplifier to amplify the EMG signal data; a filter to remove signal noise from the EMG signal data; an analog-to-digital converter to analyze the EMG signal data and convert it to digital data; and a controller to: authenticate the user; perform an EMG-based liveness test of the user based on the digital data; and disable the wearable device when the EMG-based liveness test fails.

Abstract: An embodiment includes a package comprising: a cavity formed in a dielectric material; a beam in the cavity; an interconnect to couple the beam to a current source; a magnet coupled to the cavity; and a polymer, on the beam, having an affinity to an analyte; wherein (a) a vertical axis intersects the magnet, the cavity, and the beam; (b) in a first state the beam and the polymer, which is not coupled to the analyte, collectively have a first mass and resonate at a first resonant frequency when the beam conducts a first current; and (c) in a second state the beam and the polymer, which is coupled to the analyte, collectively have a second mass that is greater than the first mass and resonate at a second resonant frequency when the beam conducts a second current. Other embodiments are described herein.

Abstract: A system and method for data transmission and power supply capability over an audio jack for mobile devices are disclosed. A particular embodiment includes: a peripheral device including an energy storage component, a microphone using a microphone bias voltage, and a select switch configured to provide a first switch position wherein charging of the energy storage component using the microphone bias voltage via the microphone conductor is enabled, the select switch being configured provide a second switch position wherein charging of the energy storage component using the microphone bias voltage via the microphone conductor is disabled; and a mobile device and an application (app) executable in the mobile device to produce a switching tone on the audio signal conductor of the audio jack, the switching tone causing the select switch to transition to the first switch position or the second switch position.

Abstract: A system and method for data transmission over an audio jack are disclosed. A particular embodiment includes: an audio interface including an audio jack, the audio interface including a right audio signal interface and a left audio signal interface; a data extractor coupled to the audio interface, the data extractor being configured to receive an audio stream via the audio interface and to isolate data encoded into the audio stream as out-of-phase data tones; and a microcontroller coupled to the data extractor to receive and process the data isolated by the data extractor.

Abstract: Various systems and methods for tracking heart rate for music selection are described herein. A system to track heart rate for music selection comprises a target heart rate module to identify a target heart rate of a user for an activity session; a heart rate monitor module to receive a current heart rate of the user from a sensor coupled to the system; and an audio selection module to determine when a difference between the current heart rate and the target heart rate is larger than a threshold value, and when the difference is larger than the threshold value: identify a beats per minute of a current audio selection; determine a beats per minute to adjust the heart rate of the user from the current heart rate toward the target heart rate; and select a next audio selection from an audio library with a beats per minute similar to the beats per minute to adjust the heart rate.

Abstract: A system and method for device action and configuration based on user context detection from sensors in peripheral devices are disclosed. A particular embodiment includes: a peripheral device including one or more sensors to produce sensor data; and logic, at least a portion of which is partially implemented in hardware, the logic configured to determine a context from the sensor data and to perform at least one action based on the determined context, the at least one action including modifying a configuration in a mobile device for sending notifications to a user.