Patent ID: 9408552
Filing Date: 2016-08-09
CPC Classification: A61B,B29C,B33Y,H04R,Y10T

Claim Text:
1. An ear plug comprising a shell with at least two electrodes adapted for measuring brain wave signals, said electrodes being connected via a connector to a processor for processing the measured signals, wherein: contours of an outer surface of the ear plug are configured to individually match at least part of at least one of an ear canal and concha of a specific user such that said outer surface contours are configured to follow contours of said matched part, the electrodes are configured to individually match said part such that a surface of each of said two electrodes to contact the concha or ear canal of the user is shaped to follow the contour of a part of the ear canal or concha to be contacted by said each electrode, and the ear plug is made of a dimensionally stable material for identical positioning in the ear canal each time it is inserted.