High-impedance optical electrode

Details High-impedance optical electrode High-impedance optical electrode

2005-03-22

2005-03-22

Gibson, Roy D. (Department: 3739)

Surgery

Diagnostic testing

Structure of body-contacting electrode or electrode inserted...

C398S183000

Reexamination Certificate

active

06871084

ABSTRACT:
High-impedance optical electrodes modulate light in response to a life-form bio-potential and then converts the modulated light to an electrical signal that provides traditional EEG and EEC type output. Light splitters are used to provide multiple electrodes and an electronic reference source. A pilot tone is used to achieve high sensitivity and synchronize multiple units while an optical phase-shift modulator is used to reduce optical noise.

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