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公开(公告)号：US20240389865A1
公开(公告)日：2024-11-28
申请号：US18792003
申请日：2024-08-01
Applicant: Fitbit, Inc.
Inventor： Hao-Wei Su , Logan Niehaus , Conor Joseph Heneghan , Johnathan David Charlesworth , Subramaniam Venkatraman , Shelten Gee Jao Yuen
Abstract: Approaches described herein can determine one or more breathing phase patterns over a period of time using audio data captured by at least one microphone. The audio data can include one or more snores. A breathing phase pattern included within the period of time can be determined based at least in part on sensor data captured by one or more sensors in the electronic device. A determination can be made that a first breathing phase pattern represented by the audio data and a second breathing phase pattern represented by the sensor data are correlated. A determination can be made that the first breathing phase pattern represented by the audio data and the second breathing phase pattern represented by the sensor data both correspond to a user wearing the electronic device.
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公开(公告)号：US20240057937A1
公开(公告)日：2024-02-22
申请号：US18467229
申请日：2023-09-14
Applicant: Fitbit, Inc.
Inventor： Hao-Wei Su , Logan Niehaus , Conor Joseph Heneghan , Jonathan David Charlesworth , Subramaniam Venkatraman , Shelten Gee Jao Yuen
CPC classification number: A61B5/4809 , A61B5/02416 , A61B5/1102 , G10L25/51 , A61B5/681 , A61B5/742 , A61B5/0816
Abstract: Approaches described herein can capture an audio signal using at least one microphone while a user of an electronic device is determined to be asleep. At least one audio frame can be determined from the audio signal. The at least one audio frame represents a spectrum of frequencies detected by the at least one microphone over some period of time. One or more sounds associated with the at least one audio frame can be determined. Sleep-related information can be generated. The information identifies the one or more sounds as potential sources of sleep disruption.
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公开(公告)号：US11633117B2
公开(公告)日：2023-04-25
申请号：US16592599
申请日：2019-10-03
Applicant: Fitbit, Inc.
Inventor： Kevin Pu Weekly , Subramaniam Venkatraman , Andrew Larsen Axley , Daniel J. Freschl , Peter W. Richards , Chris H. Sarantos
Abstract: 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 configured to emit light having a first light wavelength corresponding to a green light wavelength; obtaining one or more second PPG signals based on one or more second light sources that are configured to emit light having a second light wavelength corresponding to a red light wavelength, one or more of the first light sources and one or more of the second light sources being co-located; generating an estimated heart rate value based on one or more of the first PPG signals and the second PPG signals; and causing the estimated heart rate value to be displayed via a user interface on a client device.
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公开(公告)号：US20230012178A1
公开(公告)日：2023-01-12
申请号：US17947617
申请日：2022-09-19
Applicant: Fitbit, Inc.
Inventor： Logan Niehaus , Subramaniam Venkatraman , Jonathan Wonwook Kim
IPC: A63B24/00 , G01C5/06 , G01P15/18 , G01S19/19 , A63B71/06 , G01C22/00 , A61B5/00 , A61B5/11 , G09B19/00 , G06V40/20
Abstract: A wearable device for tracking swim activities of a user is provided. The wearable device may include one or more sensors configured to generate sensor data, and based on the sensor data, the wearable device may determine swim metrics such as swim stroke count, swim stroke type, swim lap count, and swim speed. The determined swim metrics may be filtered based on one or more swim periods during which the user is likely to have been swimming. The wearable device may determine such swim periods based on the sensor data and/or the determined swim metrics.
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公开(公告)号：US20220248967A1
公开(公告)日：2022-08-11
申请号：US17582192
申请日：2022-01-24
Applicant: Fitbit, Inc.
Inventor： Hao-Wei Su , Logan Niehaus , Conor Joseph Heneghan , Johnathan Charlesworth , Subramaniam Venkatraman , Shelten Gee Jao Yuen
IPC: A61B5/0205 , G10L25/51 , A61B7/00 , A61B5/11 , A61B5/00
Abstract: Approaches described herein can determine one or more breathing phase patterns over a period of time using audio data captured by at least one microphone. The audio data can include one or more snores. A breathing phase pattern included within the period of time can be determined based at least in part on sensor data captured by one or more sensors in the electronic device. A determination can be made that a first breathing phase pattern represented by the audio data and a second breathing phase pattern represented by the sensor data are correlated. A determination can be made that the first breathing phase pattern represented by the audio data and the second breathing phase pattern represented by the sensor data both correspond to a user wearing the electronic device.
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Patent Agency Ranking
公开(公告)号：US11259707B2
公开(公告)日：2022-03-01
申请号：US15827970
申请日：2017-11-30
Applicant: Fitbit, Inc.
Inventor： Shelten Yuen , Subramaniam Venkatraman , Eric Van Albert , James Park
Abstract: A system and method of tracking activity includes a motion sensor, a light source and a light detector. The light detector is configured to capture an amount of the light that is reflected back to the light detector, at least a first portion of the light reflected back to the light detector is reflected from a blood vessel disposed under a skin adjacent to the housing. A processor is in communication with the motion sensor and the light detector and can process the reflected light to identify heart beats and produce an indication of a heart rate. The indication of the heart rate can be displayed on the display screen as an option, in addition to the metrics that quantify the motion data.
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公开(公告)号：US11229369B2
公开(公告)日：2022-01-25
申请号：US16431576
申请日：2019-06-04
Applicant: Fitbit, Inc.
Inventor： Hao-Wei Su , Logan Niehaus , Conor Joseph Heneghan , Jonathan David Charlesworth , Subramaniam Venkatraman , Shelten Gee Jao Yuen
Abstract: Approaches described herein can determine one or more breathing phase patterns over a period of time using audio data captured by at least one microphone. The audio data can include one or more snores. A breathing phase pattern included within the period of time can be determined based at least in part on sensor data captured by one or more sensors in the electronic device. A determination can be made that a first breathing phase pattern represented by the audio data and a second breathing phase pattern represented by the sensor data are correlated. A determination can be made that the first breathing phase pattern represented by the audio data and the second breathing phase pattern represented by the sensor data both correspond to a user wearing the electronic device.
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公开(公告)号：US20210170227A1
公开(公告)日：2021-06-10
申请号：US17248937
申请日：2021-02-12
Applicant: Fitbit, Inc.
Inventor： Logan Niehaus , Subramaniam Venkatraman , Jonathan Wonwook Kim
IPC: A63B24/00 , G01C5/06 , G01P15/18 , G01S19/19 , A63B71/06 , G01C22/00 , G06K9/00 , A61B5/00 , A61B5/11 , G09B19/00
Abstract: A wearable device for tracking swim activities of a user is provided. The wearable device may include one or more sensors configured to generate sensor data, and based on the sensor data, the wearable device may determine swim metrics such as swim stroke count, swim stroke type, swim lap count, and swim speed. The determined swim metrics may be filtered based on one or more swim periods during which the user is likely to have been swimming. The wearable device may determine such swim periods based on the sensor data and/or the determined swim metrics.
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公开(公告)号：US11029199B2
公开(公告)日：2021-06-08
申请号：US15828209
申请日：2017-11-30
Applicant: Fitbit, Inc.
Inventor： Félix Antoine Turgeon , Sebastian Joseph Capella , Subramaniam Venkatraman , Shelten Gee Jao Yuen , Heiko Gernot Albert Panther
IPC: A61B5/1455 , G01J1/42 , A61B5/00 , G09G5/10 , G06K9/20 , G01J1/32 , G01J1/18 , G01J1/44 , G01J1/46 , G01J1/02 , G01J1/04 , G06K9/00 , A61B5/024 , A61B5/021 , A61B5/145 , A61B5/0533 , A61B5/01
Abstract: 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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公开(公告)号：US20190269353A1
公开(公告)日：2019-09-05
申请号：US16264488
申请日：2019-01-31
Applicant: Fitbit, Inc.
IPC: A61B5/11 , A61B5/00 , G01S19/14 , A61B5/01 , G01S19/49 , H04W4/02 , A61B5/024 , A61B5/0402 , A61B5/0488 , A61B5/053 , A61B8/06
Abstract: Biometric monitoring devices, including various technologies that may be implemented in such devices, are discussed herein. Additionally, techniques for enhancing GPS speed and distance measurements based on step counts measured by a biometric monitoring device are provided. Such techniques may, in some implementations, involve blending two independently-measured data streams of raw distance traveled—one based on inter-coordinate GPS coordinate distances and one based on step count and stride length—using a Kalman filter to provide an enhanced-accuracy measurement of distance or speed traveled. In some other or additional implementations, distances or speeds calculated based on inter-coordinate GPS coordinate distances may be smoothed with a smoothing constant that is proportional to the variance in measured step count.
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