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APPAREIL POUR MESURE D'ACTIVITE ELECTROCUTANEE A COMPENSATION DE COURANT
专利权人:
EMPATICA SRL
发明人:
TOGNETTI, SIMONE,CENCI, IVAN,RESNATI, DANIELE,GARBARINO, MAURIZIO,LAI, MATTEO
申请号:
CA2907426
公开号:
CA2907426A1
申请日:
2014.03.17
申请国别(地区):
CA
年份:
2014
代理人:
摘要:
An apparatus for measuring electrodermal activity can include a first electrode in contact with a first portion and a second electrode in contact with a second portion of a stratum corneum. A processing module is electrically coupled to the electrodes and is operable to (a) bias the first electrode at a first voltage V+ and the second electrode at a second voltage V- (b) measure a current flowing between the first electrode and the second electrode, the current corresponding to the conductance of the stratum corneum, (c) subtract a compensation current from the measured current (d) measure a resulting current producing an amplified output voltage (e) measure a conductance of the stratum corneum, and (f) adjust at least one of the first voltage, the second voltage and the compensation current to desaturate the output voltage.
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