Signal processing systems and methods
AssigneeShenzhen Shokz Co., Ltd.
InventorsXin ZHOU, Yuxiang ZHANG, Yixuan NING, Fengyun LIAO, Xin QI
Life of this patent
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Abstract
Embodiments of the present disclosure provide a signal processing system and method. The signal processing system includes a group of electrodes for fitting the human body to collect physiological signals; and a processing circuit for reading the physiological signals in a time-sharing mode, the processing circuit has different input impedances in different time periods, and the physiological signals read by the processing circuit include motion artifact signals of different proportions, and the processing circuit processes the physiological signals based on the motion artifact signals of different proportions.
Claims20
A signal processing system, comprising:
- a group of electrodes configured to fit a body of a user to collect physiological signals of the user in different time periods;
- and
- a processing circuit configured to read the physiological signals in a time-sharing mode, wherein
- the processing circuit has different input impedances in the different time periods of the time-sharing mode, wherein the different input impedances include at least two input impedances, and a ratio of the greatest input impedance in the at least two input impedances to the smallest input impedance in the at least two input impedances is not less than 10,
- the physiological signals read by the processing circuit in the different time periods include motion artifact signals of different proportions, and
- the processing circuit is configured to process the physiological signals read by the processing circuit based on the motion artifact signals of different proportions.
A signal processing system, comprising:
- two groups of electrodes, each group of electrodes in the two groups of electrodes being configured to fit a body of a user to collect physiological signals;
- and
- a processing circuit configured to read the physiological signals collected by the two groups of electrodes with different input impedances, wherein a ratio of the greatest input impedance in the different input impedances to the smallest input impedance in the different input impedances is not less than 10,
- the physiological signals read by the processing circuit include motion artifact signals of different proportions, and
- the processing circuit is configured to process the physiological signals collected by the two groups of electrodes based on the motion artifact signals of different proportions.
A signal processing method, comprising:
- collecting physiological signals through a group of electrodes that fit a body of a user;
- and
- reading the physiological signals through a processing circuit in a time-sharing mode, wherein
- the processing circuit has different input impedances in different time periods of the time-sharing mode, wherein the different input impedances include at least two input impedances, and a ratio of the greatest input impedance in the at least two input impedances to the smallest input impedance in the at least two input impedances is not less than 10,
- the physiological signals read by the processing circuit include motion artifact signals of different proportions, and
- the processing circuit is configured to process the physiological signals read by the processing circuit based on the motion artifact signals of different proportions.
Dependencies are inferred from the claim text.