Presentation	2003/11/11 Development of low noize and easy-to-use Electroencephalographic Electro-cap Kazuhisa SUKEGAWA, Atsuhiro NISHIKATA,
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Abstract(in English)	We developed low noize and eazy-to-use Electrocephalograhic Electro-cap. Using low noize instrumentation amplifier circuits and shield cables, we aimed for low noize sysytem. Modification of electrodes to screw type have made them possible to adjust to individual's head. Cotton swab dipped in physiological saline on the tip of electrodes have made more flexible and gave superior conductivity. By compairing power spectrum density below lOOHz to old paste type electrodes, it showed nearly equal results. And by compairing power spectrum density of screw type electrodes with one of input short instrumentation amplifier circuits, it showed S/N ratio of lOdB. We measured noize level of head amplifier with various input resistances.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	screw-type electro-cap / head amplifier / lower noize
Paper #	EMCJ2003-93
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Conference Information
Committee	EMCJ
Conference Date	2003/11/11(1days)
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Paper Information
Registration To	Electromagnetic Compatibility (EMCJ)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Development of low noize and easy-to-use Electroencephalographic Electro-cap
Sub Title (in English)
Keyword(1)	screw-type electro-cap
Keyword(2)	head amplifier
Keyword(3)	lower noize
1st Author's Name	Kazuhisa SUKEGAWA
1st Author's Affiliation	Tokyo Institute of Technology()
2nd Author's Name	Atsuhiro NISHIKATA
2nd Author's Affiliation	Tokyo Institute of Technology
Date	2003/11/11
Paper #	EMCJ2003-93
Volume (vol)	vol.103
Number (no)	440
Page	pp.pp.-
#Pages	4
Date of Issue