Ambient light determination using physiological metric sensor data

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United States of America Patent

PATENT NO 11781907
SERIAL NO

17340181

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Abstract

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A wearable computing device includes an electronic display with a configurable brightness level setting, a physiological metric sensor system including a light source configured to direct light into tissue of a user wearing the wearable computing device and a light detector configured to detect light from the light source that reflects back from the user. The device may further include control circuitry configured to activate the light source during a first period, generate a first light detector signal indicating a first amount of light detected by the light detector during the first period, deactivate the light source during a second period, generate a second light detector signal indicating a second amount of light detected by the light detector during the second period, generate a physiological metric based at least in part on the first light detector signal and the second light detector signal, and modify the configurable brightness level setting based on the second light detector signal.

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Patent Owner(s)

Patent OwnerAddress
FITBIT INC405 HOWARD STREET SUITE 550 SAN FRANCISCO CA 94105

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Capella, Sebastian Joseph San Diego, US 4 87
Panther, Heiko Gernot Albert Berlin, DE 53 2176
Turgeon, Félix Antoine Poway, US 2 57
Venkatraman, Subramaniam Walnut Creek, US 73 3338
Yuen, Shelten Gee Jao Berkeley, US 207 19011

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