Optical Device for Determining Pulse Rate

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, and (iii) circuitry determining a user's heart rate from an output of the photo detector. Some embodiments provid...

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Bibliographic Details
Main Authors Yuen, Shelten Gee Jao, Hong, Jung Ook
Format Patent
LanguageEnglish
Published 16.12.2021
Subjects
DIAGNOSIS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
WIRELESS COMMUNICATIONS NETWORKS
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Summary: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, and (iii) circuitry determining a user's heart rate from an output of the photo detector. Some embodiments provide methods for operating a heart rate monitor of a wearable monitoring device to measure one or more characteristics of a heartbeat waveform. Some embodiments provide methods for operating the wearable monitoring device in a low power state when the device determines that the device is not worn by a user.
Bibliography:Application Number: US202117408981