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公开(公告)号：US10898144B2
公开(公告)日：2021-01-26
申请号：US15359171
申请日：2016-11-22
摘要： Methods and devices for heart rate monitoring may include determining whether an adjustment triggering condition has been met. Moreover, the methods and devices may include, in accordance with a determination that the adjustment triggering condition has been met, adjusting the second sensor indication to obtain an adjusted second sensor indication based at least on the difference between the first sensor indication and the second sensor indication. The methods and devices may further include, in accordance with a determination that the adjustment triggering condition has not been met, transmitting the second sensor indication to the signaling filter.
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公开(公告)号：US09826938B2
公开(公告)日：2017-11-28
申请号：US14853827
申请日：2015-09-14
CPC分类号： A61B5/721 , A61B5/01 , A61B5/02427 , A61B5/681 , A61B2562/0219
摘要： A method of optical heart rate sensing includes receiving a motion frequency from a motion sensor and receiving an optical signal from an optical sensor. The motion frequency is then filtered from the optical signal, and an estimated heart rate frequency is determined based on the filtered optical signal. A heart rate is reported that is based on the motion frequency, but not based on the estimated heart rate frequency, when a local neighbor magnitude ratio of the estimated heart rate frequency is below a confidence threshold.
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公开(公告)号：US20170294174A1
公开(公告)日：2017-10-12
申请号：US15092301
申请日：2016-04-06
CPC分类号： G09G5/10 , A61B5/002 , A61B5/02055 , A61B5/024 , A61B5/1112 , A61B5/1118 , A61B5/681 , A61B5/6898 , A61B5/742 , A61B2560/0242 , A61B2562/0219 , G01J1/429 , G06F1/163 , G06F1/1684 , G06F1/3265 , G06F3/015 , G09G2320/0626 , G09G2320/0653 , G09G2320/08 , G09G2360/144
摘要： Computing devices and methods for controlling light output of a display are disclosed. In one example, a default brightness setting is set to an indoor light output level. A UV light sensor is activated to detect UV radiation levels. Based on determining that one or more of the UV radiation levels exceed a UV threshold, the default brightness setting is updated to correspond to an outdoor light output level that is greater than the indoor light output level. Without using information from an ambient light sensor, the display is activated from a deactivated state to illuminate at the updated default brightness setting corresponding to the outdoor light output level.
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公开(公告)号：US20170095212A1
公开(公告)日：2017-04-06
申请号：US15013886
申请日：2016-02-02
发明人： Haithem Albadawi , Han Yee Mimi Fung , Zongyi Liu
CPC分类号： A61B5/721 , A61B5/02416 , A61B5/02438 , A61B5/1118 , A61B5/112 , A61B5/1123 , A61B5/6801 , A61B5/7221
摘要： A wearable heart rate monitoring device includes an optical sensor configured to translate test light reflected from a wearer of the wearable heart rate monitoring device into a machine-readable heart rate signal. The wearable heart rate monitoring device also includes a motion sensor configured to translate motion of the wearable heart rate monitoring device into a machine-readable motion signal. The wearable heart rate monitoring device also includes a heart rate reporting machine, configured to determine a type of activity currently being performed by the wearer of the wearable heart rate monitoring device based at least in part on the machine-readable motion signal, and output an estimated heart rate based on at least the machine-readable heart rate signal and the type of activity.
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公开(公告)号：US20170095169A1
公开(公告)日：2017-04-06
申请号：US15013912
申请日：2016-02-02
发明人： Zongyi Liu , Haithem Albadawi , Shunan Li
CPC分类号： A61B5/02416 , A61B5/1118 , A61B5/681 , A61B5/721
摘要： A wearable heart rate monitoring device includes an optical sensor configured to translate test light reflected from a wearer of the wearable heart rate monitoring device into a machine-readable heart rate signal. The wearable heart rate monitoring device also includes an elevation sensor configured to translate an elevation of the wearable heart rate monitoring device into a machine-readable elevation signal. The wearable heart rate monitoring device further includes a heart rate reporting machine configured to output an estimated heart rate based on at least the machine-readable heart rate signal and the machine-readable elevation signal.
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公开(公告)号：US20160360984A1
公开(公告)日：2016-12-15
申请号：US14740067
申请日：2015-06-15
发明人： Haithem Albadawi , Farah Shariff , Zongyi Liu
CPC分类号： A61B5/02433 , A61B5/02416 , A61B5/14551 , A61B5/7221 , A61B5/7239 , A61B5/7246 , A61B5/7264 , A61B5/742 , A61B2562/0238
摘要： A system is described for providing the value of a biological characteristic. The system includes a sensor. The sensor is configured to generate a time domain photoplethysmogram (PPG) input signal. The system further includes a first computation module coupled to the sensor. The first computation module is configured to evaluate portions of the generated time domain PPG signal against predetermined quality criteria. The system further includes a second computation module coupled to the first computation module. The second computation module is configured to use portions of the generated time domain PPG signal that meet the predetermined quality criteria to generate an output value. The output value characterizes a biological characteristic at a point in time.
摘要翻译： 描述了一种用于提供生物特征值的系统。 该系统包括一个传感器。 该传感器被配置为产生时域光电容积图（PPG）输入信号。 该系统还包括耦合到传感器的第一计算模块。 第一计算模块被配置为根据预定的质量标准评估生成的时域PPG信号的部分。 该系统还包括耦合到第一计算模块的第二计算模块。 第二计算模块被配置为使用满足预定质量标准的生成的时域PPG信号的部分来生成输出值。 输出值表征某个时间点的生物特征。
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公开(公告)号：US20160120476A1
公开(公告)日：2016-05-05
申请号：US14853827
申请日：2015-09-14
CPC分类号： A61B5/721 , A61B5/01 , A61B5/02427 , A61B5/681 , A61B2562/0219
摘要： A method of optical heart rate sensing includes receiving a motion frequency from a motion sensor and receiving an optical signal from an optical sensor. The motion frequency is then filtered from the optical signal, and an estimated heart rate frequency is determined based on the filtered optical signal. A heart rate is reported that is based on the motion frequency, but not based on the estimated heart rate frequency, when a local neighbor magnitude ratio of the estimated heart rate frequency is below a confidence threshold.
摘要翻译： 光学心率感测的方法包括从运动传感器接收运动频率并从光学传感器接收光学信号。 然后从光信号滤波运动频率，并且基于滤波的光信号来确定估计的心率频率。 当估计的心率频率的局部相邻幅度比低于置信阈值时，报告基于运动频率而不是基于所估计的心率频率的心率。
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公开(公告)号：US11096595B2
公开(公告)日：2021-08-24
申请号：US15351934
申请日：2016-11-15
摘要： Methods and devices for blood pressure monitoring may include receiving one or more sensor measurements from the at least one sensor. The methods and devices may further include determining at least one of a first blood pressure indication using a first regression representation based on the one or more sensor measurements, a second blood pressure indication using a second regression representation based on the one or more sensor measurements, or a third blood pressure indication using a third regression representation based on the one or more sensor measurements. The methods and devices may include performing a blood pressure selection procedure using the first blood pressure indication, the second blood pressure indication, and the third blood pressure indication to determine an estimated blood pressure indication based on one or more classification characteristics. The methods and devices may further include transmitting the estimated blood pressure indication to the output device.
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公开(公告)号：US10932715B2
公开(公告)日：2021-03-02
申请号：US16221290
申请日：2018-12-14
IPC分类号： A61B5/00 , A61B5/024 , A61B5/01 , A61B5/0245 , A61B5/0476 , A61B5/0531 , A61B5/11
摘要： A wearable device is described. The wearable device comprises: a device body configured to be secured in contact with a subject; a first sensor borne by the device body that is activatable to measure a heart rate of the subject; and control logic configured to activate the first sensor during a monitoring period during which the subject is determined to be in a sleep period.
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公开(公告)号：US10467510B2
公开(公告)日：2019-11-05
申请号：US15636559
申请日：2017-06-28
发明人： Haithem Albadawi , Zongyi Liu
IPC分类号： G06K9/72 , G06K9/00 , G06T7/70 , G06K9/62 , G06F3/16 , G10L15/18 , G06N20/00 , G06T7/73 , G06T7/246 , G01S5/18 , G06T7/60 , G10L15/22 , G10L15/28 , H04R1/40 , H04R3/00 , H04N5/33 , H04N7/18 , G10L15/02 , G06N5/02 , G06N5/04 , G10L15/06 , G10L15/24 , G06F17/27 , G10L15/26 , G10L15/19 , G10L15/08 , G10L15/32 , G10L25/51 , H04L29/06 , A61B5/0205 , A61B5/05 , G01S13/72 , G06F21/35 , G07C9/00 , G08B13/14 , G06F3/01 , G06F3/0482 , G06F3/0484 , H04N21/231 , G01S5/28 , G06F1/3206 , G06F1/3231 , G06F1/324 , G06F3/03 , G06F21/32 , H04L12/58 , G10L17/04 , G10L17/08 , G06T7/292 , H04L29/08 , H04N21/422 , H04N21/442 , H04N5/232 , H04W4/029 , H04W4/33 , A61B5/00 , A61B5/11 , A61B5/117 , G06F3/0488 , G06F16/70 , H04N5/247 , G01S13/38 , G01S13/88 , G01S5/16 , G01S11/14 , G10L17/00 , G01S13/86 , G06N3/04 , G08B29/18
摘要： Examples are disclosed herein that relate to entity tracking. One examples provides a computing device comprising a logic processor and a storage device holding instructions executable by the logic processor to receive image data of an environment including a person, process the image data using a face detection algorithm to produce a first face detection output at a first frequency, determine an identity of the person based on the first face detection output, and process the image data using another algorithm that uses less computational resources of the computing device than the face detection algorithm. The instructions are further executable to track the person within the environment based on the tracking output, and perform one or more of updating the other algorithm using a second face detection output, and updating the face detection algorithm using the tracking output.
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