Inventors:
Tin Nguyen - Livermore CA, US
Cheng-I Chuang - Saratoga CA, US
Koo Hyoung Lee - Sunnyvale CA, US
Jong Jin Lim - Daejeon, KR
Assignee:
NeuroSky, Inc. - San Jose CA
International Classification:
A61B 5/0478
US Classification:
600383, 600382, 600372, 600544, 600545
Abstract:
A contoured bioelectrical signal electrode and a sensor headset are disclosed. In some embodiments, an apparatus for a bioelectrical signal sensor includes a contoured bioelectrical signal sensor connected to a holder comprising an electrode set, the electrode set including a contoured electrode, in which the contoured electrode is a dry electrode, in which the contoured electrode includes a cap portion with a protruding shape for maintaining contact with a user's head and a post portion protruding out of a side of the cap portion opposite the protruding shape, the post portion having a retaining ridge, in which the cap portion with the protruding shape and the post are electrically connected. In some embodiments, the contoured electrode is wrapped in a conductive fabric.