Multimode sensor devices

JO Hong, AC Axley, SGJ Yuen - US Patent 10,381,109, 2019‏ - Google Patents
The disclosure provides BMDs that have multiple device modes depending on operational
conditions of the devices, eg, motion intensity, device placement, and/or activity type. The …

Portable monitoring devices and methods of operating same

SGJ Yuen, J Park, EN Friedman - US Patent 9,629,558, 2017‏ - Google Patents
The present inventions, in one aspect, are directed to a portable activity monitoring device
comprising a housing having a physical size and shape that is adapted to couple to the …

Wearable heart rate monitor

S Venkatraman, SGJ Yuen - US Patent 10,178,973, 2019‏ - Google Patents
(Continued) Primary Examiner—Christian Jang (74) Attorney, Agent, or Firm—Weaver
Austin Villeneuve & Sampson LLP (57) ABSTRACT A biometric monitoring device is used to …

Heart rate sensor with high-aspect-ratio photodetector element

CH Sarantos, PW Richards - US Patent 9,775,548, 2017‏ - Google Patents
Blood oxygenation sensors including high-aspect-ratio photodetector elements are
discussed herein. Such high-aspect-ratio photodetector elements may provide improved …

Multimode sensor devices

JO Hong, AC Axley, SGJ Yuen - US Patent 10,216,893, 2019‏ - Google Patents
The disclosure provides BMDs that have multiple device modes depending on operational
conditions of the devices, eg, motion intensity, device placement, and/or activity type, the …

Physiological data collection

PW Richards, TS Elliot, SGJ Yuen - US Patent 9,662,053, 2017‏ - Google Patents
In some implementations, a device includes light emitter (s) to emit first light having a first
wavelength and second light having a second wavelength. The device also includes light …

Multi-channel photoplethysmography sensor

KP Weekly, S Venkatraman, AL Axley… - US Patent …, 2019‏ - Google Patents
In one embodiment, a data processing method comprises obtaining one or more first
photoplethysmography (PPG) signals based on one or more first light sources that are …

Optical device for determining pulse rate

JO Hong, SGJ Yuen - US Patent 11,096,601, 2021‏ - Google Patents
Some embodiments provide a wearable monitoring device including a motion sensor and a
photo (PPG) sensor. The PPG sensor includes (i) a periodic light source,(ii) a photo detector …

Multi-wavelength pulse oximetry

A Wu, CH Sarantos, PW Richards… - US Patent 10,568,525, 2020‏ - Google Patents
In one embodiment, a method for creating a blood oxygen saturation (SpO2) value, the
method comprises receiving one or more photoplethysmography (PPG) signals for SpO2 …