Oura Health Oy

Olli Petteri Heikkinen

Antti Aleksi Rantanen

Jussi Petteri Järvelä

Juha-Pekka Syrjälä

Markku Olavi Koskela

Tero Vallius

Teemu Haverinen

Sami Pelkonen

Heikki Juhani Huttunen

Jukka Tapani Mäkinen

Kirsi Maansaari

Heli Tuulia Koskimäki

Juha Pekka Pärkkä

Mika Petteri Kangas

Hannu Hermanni Koivisto

Jaakko Tapio Vartiainen

Pauli Juhani Ohukainen

Methods, systems, and devices for optical signal measurement are described. A wearable electronic device may activate a first combination of optical sensors, the first combination of optical sensors including a set of transmitter sensors and a set of receiver sensors. In some cases, one or more optical sensor of the first combination of optical sensors may be positioned under a protrusion on an inner surface of the wearable electronic device. The device may measure, at the set of receiver sensors at a first time, one or more signals from the set of transmitter sensors, determine a signal quality metric associated with the one or more signals, and select a second combination of optical sensors for use at a second time based on the signal quality metric.

Configurable photoplethysmogram system

Methods, systems, and devices for adjusting a power output level of a light source on a wearable device are described. A photodetector on the wearable device may measure a first photoplethysmography (PPG) signal derived from an ambient light source that is powered externally to the wearable device. The wearable device may calculate a quality metric of the first PPG signal based on measuring the first PPG signal. The wearable device may adjust the power output level of the light source powered by the wearable device based on the quality metric of the first PPG signal.

Low power optical measurements

Methods, systems, and devices for determining blood pressure based on morphological features of pulses are described. A system may include a wearable device that uses one or more light emitting components configured to emit light, one or more photodetectors configured to receive light, and a controller that couples the one or more light emitting components to the one or more photodetectors. The wearable device may transmit lights associated with multiple wavelengths, and acquire photoplethysmogram (PPG) data that includes one or more PPG waveforms associated with the respective wavelengths. The system may determine respective sets of morphological features associated with each of the PPG waveforms based on systolic and diastolic peaks corresponding to the heartbeat of the user. The system may determine one or more blood pressure metrics for the user based at least in part on a comparison of the respective sets of morphological features.

Techniques for determining blood pressure based on morphological features of pulses preliminary class

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Oulu, Finland

Olli Petteri Heikkinen