Signal acquisition system based on brain-computer interface and acquisition method thereof

A signal acquisition system and brain-computer interface technology, applied in medical science, medical equipment, telemetry patient monitoring, etc., can solve problems affecting experimental results, affecting EEG information signal transmission, inaccurate signal analysis results, etc., to reduce interference. , The effect of preventing signal attenuation

Pending Publication Date: 2021-03-16
UNIV OF SCI & TECH LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, there are many Bluetooth devices in daily life, and other Bluetooth devices will emit interference signals during signal collection, which will affect the signal transmission carrying EEG information, resulting in inaccurate signal analysis res

Method used

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  • Signal acquisition system based on brain-computer interface and acquisition method thereof
  • Signal acquisition system based on brain-computer interface and acquisition method thereof

Examples

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Embodiment

[0035] Example: such as figure 1 As shown, the present invention provides a technical solution, a signal acquisition system based on a brain-computer interface, including an electrical signal acquisition module, an electrical signal receiving module, an electrical signal preliminary analysis module, a cloud module and a computing module;

[0036] The electrical signal acquisition module is worn on the head of the person, and the electrical signal receiving module includes an electrical signal acquisition unit and a signal transmitting unit;

[0037] The electrical signal acquisition unit includes a left-brain signal collector and a right-brain signal collector, the signal output terminals of the left-brain signal collector and the right-brain signal collector are connected to the signal input of the analog-to-digital converter, and the signal transmitting unit includes an NFC Information tablet and Bluetooth signal transmitter.

[0038] According to the above technical scheme...

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Abstract

The invention discloses a signal acquisition system based on a brain-computer interface. The signal acquisition system comprises an electric signal acquisition module, an electric signal receiving module, an electric signal preliminary analysis module, a cloud module and a calculation module, wherein the electric signal acquisition module is worn on the head of a person; the electric signal receiving module comprises an electric signal acquisition unit and a signal transmitting unit; and the electric signal acquisition unit comprises a left brain signal acquisition device and a right brain signal acquisition device. Bluetooth information on an NFC information sheet is read by using an NFC reader, so that a Bluetooth transmitter can be quickly connected with a Bluetooth signal receiver in apairing manner, the electric signal acquisition module and the electric signal receiving module can be quickly connected without searching and pairing, the interference of other Bluetooth equipment on brain-computer signals is reduced, and then the signals are further amplified and stabilized through a wave stabilizer after the Bluetooth signals are received.

Description

technical field [0001] The invention relates to the technical field of EEG signal acquisition, in particular to a brain-computer interface-based signal acquisition system and an acquisition method thereof. Background technique [0002] Brain-computer interface-based rehabilitation technology is a new type of active rehabilitation technology that has been gradually developed in recent years. This technology extracts the movement intention information in the patient's EEG signal by analyzing and controlling the rehabilitation equipment. The direct connection path established between external devices, the brain-computer interface device collects EEG signals through the signal acquisition unit. When the brain-computer interface device is in use, the signal acquisition unit must be close to the forehead to ensure the quality of signal acquisition. The existing signal acquisition system There are two acquisition modes: wired and wireless. Wired acquisition is bound by wires, and a...

Claims

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Application Information

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IPC IPC(8): A61B5/369A61B5/00G16H40/67
CPCA61B5/6814A61B5/0006A61B5/0022G16H40/67
Inventor 史添玮任玲崔文华代红张文宇张玉军赵骥陶冶张钊高明强
Owner UNIV OF SCI & TECH LIAONING
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