Brain computer interface device for data compression of multi-channel physiological signals

摘要

PROBLEM TO BE SOLVED: To provide an interface device of a brain computer provided with a multi-channel capable of transmitting data with less distortion even within a short temporary period by using a compressed signal. An A / D converter converts the output of a multiplexer into a digital signal based on a clock signal, a memory is connected to the A / D converter and used to store the digital signal, and a processor is a memory. Connected to a multiplexer, the clock signal adds a header to each of the multiple digital values, the processor adds a header to each of the multiple digital values based on the clock signal, and the multiple headers correspond to the channels, respectively. , The compressed signal is output by deleting the same high-order bit corresponding to the previous digital value in each digital value of the same channel. [Selection diagram] Fig. 1