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Heart sound transmission and management system based on NFC (Near Field Communication) and Bluetooth

A transmission management and heart sound technology, applied in transmission systems, signal transmission systems, near-field transmission systems, etc., can solve the problems of high power consumption of equipment, complicated Bluetooth transmission connection process, poor transmission security, etc., to achieve convenient and fast collection and simplification The effect of the process of collecting the heart sound signal

Active Publication Date: 2013-12-11
HANGZHOU DIANZI UNIV
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AI Technical Summary

Problems solved by technology

At the same time, it ensures the security of data transmission and solves the problems of complex Bluetooth transmission and connection process, high power consumption of equipment, and poor transmission security.

Method used

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  • Heart sound transmission and management system based on NFC (Near Field Communication) and Bluetooth
  • Heart sound transmission and management system based on NFC (Near Field Communication) and Bluetooth
  • Heart sound transmission and management system based on NFC (Near Field Communication) and Bluetooth

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

[0023] Such as figure 1 As shown, the collection sensor of the human heart sound signal is composed of an electret microphone and a medical stethoscope head. The electret microphone has the characteristics of simple structure, strong anti-interference ability, and small size. The heart sound signal collected by the electret microphone is filtered by the filter circuit to filter out the noise components outside the effective frequency range of the heart sound signal. The heart sound signal obtained by the electret microphone includes breath sound, auscultation head and clothing in addition to the effective components of the heart sound. Noises such as fricative sounds between them must be filtered out. The effective frequency range of the heart sound is about 200 Hz, and the frequency range of the filter circuit is between 30 Hz and 500 Hz. The ...

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Abstract

The invention relates to a heart sound transmission and management system based on NFC (Near Field Communication) and the Bluetooth. The heart sound transmission and management system consists of a heart sound acquisition hardware module and an Android-cellphone upper computer, wherein the heart sound acquisition hardware module consists of a medical auscultation head, an electret microphone, a filtering circuit, a dsPIC chip circuit, an HC-05 Bluetooth module and a Samsung TecTilesNFC tag; the Android-cellphone upper computer completes the acquisition and storage of heart sound, and supported Android applications of the Android-cellphone upper computer mainly comprise an NFC response module, a Bluetooth matching module, a heart sound acquisition module and a data management module. According to the heart sound transmission and management system based on the NFC and the Bluetooth, the heart sound signal acquisition process for a user is simplified, the heart sound signal acquisition for the user can be completed conveniently and quickly by using the system, and heart sound signal data transmission is completed through wireless transmission technologies based on the NFC and the Bluetooth.

Description

technical field [0001] The invention relates to a heart sound signal management system based on NFC and Bluetooth, and belongs to the technical field of heart sound signal processing and transmission. Background technique [0002] The heart sound signal comes from the inside of the body and is a reflection of the mechanical movement of the cardiovascular system. Heart sound is one of the most important physiological signals in the human body, and the analysis of heart sound signal is helpful for the diagnosis of heart disease. A convenient and efficient heart sound acquisition and transmission system is of great significance for pathological research based on heart sound. [0003] At present, the heart sound signal-based receiving and transmission system mainly receives the heart sound through the heart sound sensor, receives the heart sound signal through the computer sound card, and transmits it to the computer, completes the display of the heart sound waveform through th...

Claims

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Application Information

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IPC IPC(8): A61B7/04G08C17/02H04B5/00H04M1/725G06F19/00
Inventor 赵治栋何圣康
Owner HANGZHOU DIANZI UNIV
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