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公开(公告)号：US11779231B2
公开(公告)日：2023-10-10
申请号：US17366235
申请日：2021-07-02
Applicant: Fitbit, Inc.
Inventor： Kyle P. Nadeau , Chris H. Sarantos , Kevin Pu Weekly , Javier L. Prieto , Peter W. Richards , Paul Francis Stetson , Aniket Sanjay Deshpande
IPC: A61B5/1455 , A61B5/024 , A61B5/00 , A61B5/11
CPC classification number: A61B5/02433 , A61B5/0059 , A61B5/02438 , A61B5/11 , A61B5/1455 , A61B5/6824
Abstract: Systems, devices, and methods for tracking one or more physiological metrics (e.g., heart rate, blood oxygen saturation, and the like) of a user are described. For example, one or more light sources and one or more light detectors may be positioned on a wearable device such that light can be emitted towards the user's skin and further such that light reflected back to the wearable device can be measured and used to generate values for the one or more physiological metrics.
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公开(公告)号：US10806362B2
公开(公告)日：2020-10-20
申请号：US16457337
申请日：2019-06-28
Applicant: Fitbit, Inc.
Inventor： Yonghua Wei , Faton Tefiku , Kevin Li , Man-Chi Liu , Lindsey Michelle Sunden , Peter W. Richards , Dennis Jacob McCray , Christos Kinezos Ioannou , Kyung Nim Noh
IPC: A61B5/0428 , A61B5/00 , A61B5/0408 , H01Q1/50 , H03H7/38
Abstract: Multiple circuits in a computing device can share one or more conductive elements. The use of the conductive element can vary by circuit, such as an antenna radiator for a radio frequency (RF) circuit or an electrode for an electrocardiography (ECG) circuit. The circuitry sharing a conductive element can utilize signals obtained over different frequency ranges. Those ranges can be used to select decoupling circuitry, or elements, that can enable the respective circuits to obtain signals over a respective frequency range, excluding signals over one or more other frequency ranges corresponding to other circuitry sharing the circuit. Such an approach allows for concurrent independent operation of the circuitry sharing a conductive element.
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公开(公告)号：US10433739B2
公开(公告)日：2019-10-08
申请号：US15582240
申请日：2017-04-28
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：US20190053754A1
公开(公告)日：2019-02-21
申请号：US15998491
申请日：2018-08-16
Applicant: Fitbit, Inc.
Inventor： Suraj Gowda , Conor Joseph Heneghan , Shelten Gee Jao Yuen , Anjian Wu , Daniel Joel Freschl , Peter W. Richards , Chris H. Sarantos , Jonathan Wonwook Kim
IPC: A61B5/00 , A61B5/08 , A61B5/0205
Abstract: Approaches to determining a sleep fitness score for a user are provided, such as may be based upon monitored breathing disturbances of a user. The system receives user state data generated over a time period by a combination of sensors provided via a wearable tracker associated with the user. A system can use this information to calculate a sleep fitness score, breathing disturbance score, or other such value. The system can classify every minute within the time period as either normal or atypical, for example, and may provide such information for presentation to the user.
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5.发明申请公开(公告)号：US20170086692A1
公开(公告)日：2017-03-30
申请号：US15194543
申请日：2016-06-27
Applicant: Fitbit, Inc.
Inventor： Daniel J. Freschl , Chris H. Sarantos , Peter W. Richards , Anthony Alexander Cacace , Ritika Sahai , Lindsey Michelle Sunden
CPC classification number: A61B5/02433 , A61B5/021 , A61B5/02438 , A61B5/08 , A61B5/14552 , A61B5/681 , A61B2560/0462 , A61B2562/0238 , A61B2562/043 , A61B2562/166 , A61B2562/185
Abstract: An optical measurement module is disclosed that includes three or more recessed regions separated from each other by two or more barrier walls, the recessed regions including at least two distal recessed regions. The optical measurement module may also include first and second photo-emitter elements that emit light in different spectrums and first and second photodetector elements. One or more of the second photo-emitter elements may be located in one of the distal recessed regions, and the second photodetector element may be located in one of the other distal recessed regions. The first photodetector element may be located in a recessed region other than the recessed region where the second photodetector element is located, and the one or more photo-emitter elements may be located in one of the recessed regions other than the one where the first photodetector element is located.
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Patent Agency Ranking
公开(公告)号：US20160302706A1
公开(公告)日：2016-10-20
申请号：US15195911
申请日：2016-06-28
Applicant: Fitbit, Inc.
Inventor： Peter W. Richards , Thomas Samuel Elliot , Shelten Gee Jao Yuen
IPC: A61B5/1455 , A61B5/11 , A61B5/145 , A61B5/00 , A61B5/0205
CPC classification number: A61B5/14552 , A61B5/0002 , A61B5/002 , A61B5/0022 , A61B5/0205 , A61B5/021 , A61B5/02405 , A61B5/02416 , A61B5/02427 , A61B5/02433 , A61B5/02438 , A61B5/0816 , A61B5/1123 , A61B5/14532 , A61B5/14539 , A61B5/4812 , A61B5/4815 , A61B5/681 , A61B5/7203 , A61B5/7225 , A61B2562/185 , H04L67/12 , H04W4/027 , H04W4/80
Abstract: 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 detector(s) to generate a first electrical signal while the light emitter emits the first light, a second electrical signal while the light emitter emits the second light, and a third electrical signal while the light emitter is not emitting light. The device also includes ambient light cancellation circuit(s) to generate a countering signal to counter a portion of one or both of the first and second electrical signals based on the third electrical signal. The device also includes analog to digital converter(s) to generate first and second digital signals based on values of the first and second electrical signals, respectively. The device further includes a controller to determine a saturation of peripheral oxygen metric based on the first and second digital signals.
Abstract translation: 在一些实施方案中，装置包括发射具有第一波长的第一光的光发射器和具有第二波长的第二光。 该设备还包括光检测器，以在光发射器发射第一光时产生第一电信号，在发光体发射第二光时产生第二电信号，并且在发光体不发光的同时产生第三电信号 。 该装置还包括环境光消除电路，以产生对抗信号，以基于第三电信号来对抗第一和第二电信号中的一个或两个的一部分。 该装置还包括模数转换器，以分别基于第一和第二电信号的值产生第一和第二数字信号。 该装置还包括控制器，用于基于第一和第二数字信号来确定外围氧度量的饱和度。
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公开(公告)号：US20140288435A1
公开(公告)日：2014-09-25
申请号：US14290884
申请日：2014-05-29
Applicant: Fitbit, Inc.
Inventor： Peter W. Richards , Thomas Samuel Elliot , Shelten Gee Jao Yuen
CPC classification number: A61B5/14552 , A61B5/0002 , A61B5/002 , A61B5/0022 , A61B5/0205 , A61B5/021 , A61B5/02405 , A61B5/02416 , A61B5/02427 , A61B5/02433 , A61B5/02438 , A61B5/0816 , A61B5/1123 , A61B5/14532 , A61B5/14539 , A61B5/4812 , A61B5/4815 , A61B5/681 , A61B5/7203 , A61B5/7225 , A61B2562/185 , H04L67/12 , H04W4/027 , H04W4/80
Abstract: One innovative aspect is directed to heart rate data collection. In some implementations, a circuit includes a light detector for generating a first electrical signal based on received light. The circuit includes a switching circuit, having a first and a second configuration, configured to receive a first voltage signal based on the first electrical signal and to switch among the first and the second configurations. The circuit includes first and second sampling circuits for sampling a value of the first voltage signal when the switching circuit is in the first configuration and second configurations, respectively. The circuit includes an ambient light cancellation circuit for generating a current signal to counter a first component of the first electrical signal when the first switching circuit is in the first configuration.
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公开(公告)号：US20230157610A1
公开(公告)日：2023-05-25
申请号：US17991458
申请日：2022-11-21
Applicant: Fitbit, Inc.
Inventor： Faton Tefiku , Yonghua Wei , Kevin Li , Man-Chi Liu , Lindsey Michelle Sunden , Peter W. Richards , Dennis Jacob McCray , Christos Kinezos Ioannou , Kyung Nim Noh
Abstract: Multiple circuits in a computing device can share one or more conductive elements. The use of the conductive element can vary by circuit, such as an antenna radiator for a radio frequency (RF) circuit or an electrode for an electrocardiography (ECG) circuit. The circuitry sharing a conductive element can utilize signals obtained over different frequency ranges. Those ranges can be used to select decoupling circuitry, or elements, that can enable the respective circuits to obtain signals over a respective frequency range, excluding signals over one or more other frequency ranges corresponding to other circuitry sharing the circuit. Such an approach allows for concurrent independent operation of the circuitry sharing a conductive element.
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公开(公告)号：US20220280048A1
公开(公告)日：2022-09-08
申请号：US17704890
申请日：2022-03-25
Applicant: Fitbit, Inc.
Inventor： Anjian Wu , Chris H. Sarantos , Peter W. Richards , Shelten Gee Jao Yuen
IPC: A61B5/0205 , A61B5/1455 , A61B5/00
Abstract: 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 detection from one or more PPG sensors; receiving one or more PPG signals for characterizing a heart rate from the one or more PPG sensors; using the one or more PPG signals for SpO2 detection, forming one or more SpO2 datasets wherein the SpO2 datasets respectively comprise one or more noise components; removing the one or more noise components from the one or more SpO2 datasets that are inconsistent with a feature of the one or more PPG signals characterizing the heart rate to produce one or more filtered SpO2 datasets; and using the one or more filtered SpO2 datasets, creating and storing the SpO2.
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公开(公告)号：US11317816B1
公开(公告)日：2022-05-03
申请号：US16798257
申请日：2020-02-21
Applicant: Fitbit, Inc.
Inventor： Anjian Wu , Chris H. Sarantos , Peter W. Richards , Shelten Gee Jao Yuen
IPC: A61B5/0205 , A61B5/1455 , A61B5/00 , A61B5/024
Abstract: 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 detection from one or more PPG sensors; receiving one or more PPG signals for characterizing a heart rate from the one or more PPG sensors; using the one or more PPG signals for SpO2 detection, forming one or more SpO2 datasets wherein the SpO2 datasets respectively comprise one or more noise components; removing the one or more noise components from the one or more SpO2 datasets that are inconsistent with a feature of the one or more PPG signals characterizing the heart rate to produce one or more filtered SpO2 datasets; and using the one or more filtered SpO2 datasets, creating and storing the SpO2.
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