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公开(公告)号：US11179051B2
公开(公告)日：2021-11-23
申请号：US15969553
申请日：2018-05-02
IPC分类号： A61B5/024 , A61B5/00 , A61B5/145 , A61B5/1455
摘要： An electronic fitness device comprises a first optical transmitter, an optical receiver, and a processing element. The first optical transmitter is configured to transmit a first optical signal and a second optical signal. The optical receiver is configured to receive the first and optical signals and to generate first and second photoplethysmogram (PPG) signals resulting from the received optical signals. The processing element is configured to control the first optical transmitter to transmit the first optical signal the second optical signal, receive the first and second PPG signals from the optical receiver and compare them, identify a common cardiac component present in the first and the second PPG signals based on the comparison, determine a signal filter parameter based on the common cardiac component, and generate first and second cardiac components from the first and second PPG signals, respectively, based on the signal filter parameter.
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公开(公告)号：US20180317785A1
公开(公告)日：2018-11-08
申请号：US15860865
申请日：2018-01-03
IPC分类号： A61B5/024 , A61B5/00 , A61B5/1455
CPC分类号： A61B5/02427 , A61B5/02416 , A61B5/02438 , A61B5/14535 , A61B5/14542 , A61B5/14552 , A61B5/4875 , A61B5/681 , A61B5/6824 , A61B5/7207 , A61B5/7246 , A61B5/7253 , A61B2503/10 , A61B2505/09 , A61B2560/0462 , A61B2562/0238 , A61B2562/0242 , A61B2562/04 , A61B2562/043
摘要： An electronic fitness device comprises a first optical transmitter array, a first optical receiver, a second optical receiver, and a processing element. The first optical transmitter array includes first optical transmitter operable to transmit a first optical signal having a first wavelength and a second optical transmitter operable to transmit a second optical signal having a second wavelength. The first optical receiver is operable to receive modulated optical signals and generate a first photoplethysmogram (PPG) signal resulting from the first optical signal and a second PPG signal resulting from the second optical signal. The second optical receiver is operable to receive modulated optical signals and generate a third PPG signal resulting from the first optical signal and a fourth PPG signal resulting from the second optical signal. The processing element is operable to determine cardiac information of the user based on the received PPG signals.
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公开(公告)号：US20200297226A1
公开(公告)日：2020-09-24
申请号：US16820044
申请日：2020-03-16
摘要： An electronic fitness device comprises a housing, a first optical transmitter array, a first optical receiver, and a second optical receiver. The first optical transmitter array is positioned at a first location on a bottom wall and may output a plurality of optical signals that pass through a user's skin. The first optical receiver is positioned at a second location and may receive the optical signals from the first optical transmitter array such that the optical signals travel along a first signal path and a first distance. The second optical receiver is positioned at a third location and may receive the optical signals from the first optical transmitter array such that the optical signals travel along a second signal path and a second distance, wherein the second signal path is roughly orthogonal to the first signal path and the second distance is different from the first distance.
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公开(公告)号：US20180317852A1
公开(公告)日：2018-11-08
申请号：US15969574
申请日：2018-05-02
CPC分类号： A61B5/02427 , A61B5/0004 , A61B5/02416 , A61B5/02438 , A61B5/14535 , A61B5/14542 , A61B5/14552 , A61B5/4875 , A61B5/681 , A61B5/6824 , A61B5/7207 , A61B5/7214 , A61B5/7246 , A61B5/725 , A61B5/7253 , A61B5/7257 , A61B5/7278 , A61B5/7282 , A61B2503/10 , A61B2505/09 , A61B2560/0462 , A61B2562/0238 , A61B2562/0242 , A61B2562/04 , A61B2562/043 , A61B2562/046
摘要： An electronic fitness device comprises first and second optical transmitters, an optical receiver, and a processing element. The first optical transmitter is configured to transmit a first optical signal having a first wavelength. The second optical transmitter is configured to transmit a first optical signal having a second wavelength. The optical receiver is configured to receive the first and second optical signals and to generate first and second photoplethysmogram (PPG) signals respectively resulting from the received optical signals. The processing element is configured to control the first and second optical transmitters to transmit the first and second optical signals, receive the first and second PPG signals, and utilize the second PPG signal to reduce a noise component from the first PPG signal.
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公开(公告)号：US09801587B2
公开(公告)日：2017-10-31
申请号：US15296956
申请日：2016-10-18
CPC分类号： A61B5/721 , A61B5/02405 , A61B5/02416 , A61B5/02427 , A61B5/02438 , A61B5/0833 , A61B5/1112 , A61B5/1118 , A61B5/165 , A61B5/4815 , A61B5/486 , A61B5/681 , A61B5/725 , A61B5/7278 , A61B5/7285 , A61B2562/0219
摘要： A system, method, and device for monitoring a cardiac signal of a user includes an emitter (LED) for transmitting light toward skin of the user, a receiver (photodiode) for receiving a reflection of the transmitted light and generating a light intensity signal, and a processor configured to generate a photoplethysmogram (PPG) signal based on the light intensity signal. The PPG signal includes a cardiac component, a motion component and a respiratory component. An inertial sensor provides a motion signal to the processor based on sensed movement of the device and one or more time-variant filters are configured by the processor to filter the PPG signal to isolate the cardiac component of the PPG signal based on determined filter coefficients.
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公开(公告)号：US20170105682A1
公开(公告)日：2017-04-20
申请号：US15296956
申请日：2016-10-18
CPC分类号： A61B5/721 , A61B5/02405 , A61B5/02416 , A61B5/02427 , A61B5/02438 , A61B5/0833 , A61B5/1112 , A61B5/1118 , A61B5/165 , A61B5/4815 , A61B5/486 , A61B5/681 , A61B5/725 , A61B5/7278 , A61B5/7285 , A61B2562/0219
摘要： A system, method, and device for monitoring a cardiac signal of a user includes an emitter (LED) for transmitting light toward skin of the user, a receiver (photodiode) for receiving a reflection of the transmitted light and generating a light intensity signal, and a processor configured to generate a photoplethysmogram (PPG) signal based on the light intensity signal. The PPG signal includes a cardiac component, a motion component and a respiratory component. An inertial sensor provides a motion signal to the processor based on sensed movement of the device and one or more time-variant filters are configured by the processor to filter the PPG signal to isolate the cardiac component of the PPG signal based on determined filter coefficients.
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公开(公告)号：US12004845B2
公开(公告)日：2024-06-11
申请号：US17492382
申请日：2021-10-01
IPC分类号： A61B5/024 , A61B5/00 , A61B5/145 , A61B5/1455
CPC分类号： A61B5/02427 , A61B5/02416 , A61B5/02438 , A61B5/14535 , A61B5/14542 , A61B5/14552 , A61B5/4875 , A61B5/681 , A61B5/6824 , A61B5/7207 , A61B5/7214 , A61B5/7246 , A61B5/725 , A61B5/7253 , A61B5/7257 , A61B5/7278 , A61B5/7282 , A61B5/0004 , A61B2503/10 , A61B2505/09 , A61B2560/0462 , A61B2562/0238 , A61B2562/0242 , A61B2562/04 , A61B2562/043 , A61B2562/046
摘要： An electronic fitness device comprises a first optical transmitter, an optical receiver, and a processing element. The first optical transmitter is configured to transmit a first optical signal and a second optical signal. The optical receiver is configured to receive the first and optical signals and to generate first and second photoplethysmogram (PPG) signals resulting from the received optical signals. The processing element is configured to control the first optical transmitter to transmit the first optical signal the second optical signal, receive the first and second PPG signals from the optical receiver and compare them, identify a common cardiac component present in the first and the second PPG signals based on the comparison, determine a signal filter parameter based on the common cardiac component, and generate first and second cardiac components from the first and second PPG signals, respectively, based on the signal filter parameter.
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公开(公告)号：US20220022766A1
公开(公告)日：2022-01-27
申请号：US17492382
申请日：2021-10-01
IPC分类号： A61B5/024 , A61B5/00 , A61B5/145 , A61B5/1455
摘要： An electronic fitness device comprises a first optical transmitter, an optical receiver, and a processing element. The first optical transmitter is configured to transmit a first optical signal and a second optical signal. The optical receiver is configured to receive the first and optical signals and to generate first and second photoplethysmogram (PPG) signals resulting from the received optical signals. The processing element is configured to control the first optical transmitter to transmit the first optical signal the second optical signal, receive the first and second PPG signals from the optical receiver and compare them, identify a common cardiac component present in the first and the second PPG signals based on the comparison, determine a signal filter parameter based on the common cardiac component, and generate first and second cardiac components from the first and second PPG signals, respectively, based on the signal filter parameter.
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公开(公告)号：US20240277242A1
公开(公告)日：2024-08-22
申请号：US18651660
申请日：2024-04-30
IPC分类号： A61B5/024 , A61B5/00 , A61B5/145 , A61B5/1455
CPC分类号： A61B5/02427 , A61B5/02416 , A61B5/02438 , A61B5/14535 , A61B5/14542 , A61B5/14552 , A61B5/4875 , A61B5/681 , A61B5/6824 , A61B5/7207 , A61B5/7214 , A61B5/7246 , A61B5/725 , A61B5/7253 , A61B5/7257 , A61B5/7278 , A61B5/7282 , A61B5/0004 , A61B2503/10 , A61B2505/09 , A61B2560/0462 , A61B2562/0238 , A61B2562/0242 , A61B2562/04 , A61B2562/043 , A61B2562/046
摘要： An electronic fitness device comprises a first optical transmitter, a second optical transmitter, a first optical receiver, a second optical receiver, and a processing element. The first optical transmitter is configured to transmit a first optical signal having a first wavelength and the second optical transmitter is configured to transmit a second optical signal having the first wavelength. The first and second optical receivers are configured to receive the first and second optical signals, respectively, and to generate first and second photoplethysmogram (PPG) signals, respectively, resulting from the received optical signals. The processing element is configured to receive and compare the first and second PPG signals, identify a common component present in the first and the second PPG signals based on the comparison, and generate a cardiac component from the first and second PPG signals based on the identified common component.
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公开(公告)号：US11806119B2
公开(公告)日：2023-11-07
申请号：US16820044
申请日：2020-03-16
IPC分类号： A61B5/024 , A61B5/00 , A61B5/1455
CPC分类号： A61B5/02427 , A61B5/02433 , A61B5/02438 , A61B5/681 , A61B5/14552 , A61B2562/0238 , A61B2562/046
摘要： An electronic fitness device includes a housing, a first optical transmitter array, a first optical receiver, and a second optical receiver. The first optical transmitter array is positioned at a first location on a bottom wall and may output a plurality of optical signals that pass through a user's skin. The first optical receiver is positioned at a second location and may receive the optical signals from the first optical transmitter array such that the optical signals travel along a first signal path and a first distance. The second optical receiver is positioned at a third location and may receive the optical signals from the first optical transmitter array such that the optical signals travel along a second signal path and a second distance, wherein the second signal path is roughly orthogonal to the first signal path and the second distance is different from the first distance.
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