A Portable EEG Signal Acquisition System
In this paper, we suggest a portable EEG signal acquisition system, which enables people to measure brainwave signals anytime and anywhere. Many researchers have recently focused on Brain-Computer Interfaces (BCI). Existing studies on portable electroencephalogram (EEG) technologies suggested EEG technologies that can be applied to the human forehead and used indoors, but failed to present a technology capable of measuring brainwaves originating from various brain areas in both indoor and outdoor environments. Our proposed system has a multi-channel EEG function to measure brainwaves originating from more diverse areas of the brain than those dealt with by the existing systems. The system suggested in this paper also has a Bluetooth interworking capability to provide a wireless connection with portable devices such as smart phones. The mechanism is to amplify very small brainwave signals, remove their noises, perform AD conversion, Finally measure brainwaves and transmit the data to smart phones or other portable devices. Indoor and outdoor tests on the device proved the validity of the portable EEG signal acquisition system.
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Document Type: Research Article
Publication date: 01 July 2012
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