A wireless EEG system for effective auditory evoked response, comprising an electrode array which is adapted to be attached to a person and senses voltages produced by the brain electrical activity of the person; transmitter electrically connected to the electrode array such that the ...http://www.google.com.tw/patents/US5755230?utm_source=gb-gplus-share專利 US5755230 - Wireless EEG system for effective auditory evoked response
