Electrocardio characteristic detection device and method and electrocardio characteristic detection system
A feature detection and electrocardiogram technology, applied in the field of biomedical engineering, can solve the problems of high cost, complex algorithm, and high power consumption of the signal acquisition system, and achieve the effects of reducing design cost, saving computing resources, and eliminating motion artifacts.
Pending Publication Date: 2022-04-12
OPPO CHONGQING INTELLIGENT TECH CO LTD
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[0003] In the related art, in order to reduce the impact of motion artifacts, it is implemented through algorithm suppression on the digital side. In order to achieve effective effects but have a good user experience, the algorithm is generally more complicated, and the higher the computing power requirement, the higher the power consumption of the signal acquisition system. The higher the cost, the higher the cost
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[0036] Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
[0037] Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus repeated descriptions thereof will be omitted. Some of the block diagrams shown in the drawings are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities ...
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The invention relates to the technical field of biomedical engineering, in particular to an electrocardio characteristic detection device and method and an electrocardio characteristic detection system, and the device comprises a signal collection module which is used for collecting an initial electrocardio signal and an impedance change value of a detected object; the reference signal generation module is connected to the signal acquisition module and used for generating a reference signal according to the impedance change value, a first input end of the operational amplification module is connected to the signal acquisition module and used for receiving the initial electrocardiosignal, and a second input end is used for receiving an offset signal; the motion artifact estimation module comprises a third input end and a second output end, the third input end is connected to the reference signal generation module and the first output end, the second output end is connected to the second input end, and the motion artifact estimation module is used for generating an offset signal according to the output signal of the operational amplification module and the reference signal and feeding back the offset signal to the second input end of the operational amplification module. According to the technical scheme, computing resources are saved, the design cost of signal acquisition is reduced, and the energy consumption of signal acquisition is reduced.
Description
technical field [0001] The present disclosure relates to the technical field of biomedical engineering, in particular, to an electrocardiographic feature detection device and method, and an electrocardiographic feature detection system. Background technique [0002] With the increasing development of wearable devices, the health awareness of users has been improved, and the health monitoring function of wearable devices has received more attention. Its ECG (Electrocardiograph ECG) monitoring function provides users with more comprehensive health information. In order to ensure the appearance and portability of wearable devices, the monitoring electrodes of ECG signals often use dry electrodes to collect signals; dry electrode signals are easily affected by motion artifacts. [0003] In the related art, in order to reduce the impact of motion artifacts, it is implemented through algorithm suppression on the digital side. In order to achieve effective effects but have a good ...
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Login to View More IPC IPC(8): A61B5/318A61B5/319A61B5/346
Inventor 刘恩福
Owner OPPO CHONGQING INTELLIGENT TECH CO LTD