Abstract
A system (10) for sensing electrophysiological signals includes a plurality of shielded electrodes (12). The electrodes (12) are connected to an amplifier (18) for amplifying signals received from each of the electrodes (12), the amplifier having a shielding input and the shielding of the electrodes (12) being connected to the shielded input of the amplifier (18). A power supply (22) powers the amplifier (18), a reference voltage derived from the power supply (22) being used as a reference voltage for the electrodes (12).
| Original language | English |
|---|---|
| Patent number | US 2011/0166434 A1 |
| Priority date | 7/07/08 |
| Filing date | 7/07/11 |
| Publication status | Published - 2011 |
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