Title:
電位センサ
Document Type and Number:
Japanese Patent JP5676102
Kind Code:
B2
Abstract:
The invention provides an electric potential sensor including, at least one detection electrode arranged for capacitive coupling with a sample under test and for generating a measurement signal, and a sensor amplifier adapted to receive the measurement signal as input and to supply an amplified detection signal as output. An input impedance enhancing element provides a high input impedance to the sensor amplifier for increasing the sensitivity of the electrode to reduced electric potentials, and a feedback element applies a coherent feedback signal to the input of the sensor amplifier for enhancing the signal to noise ratio of the sensor.
Inventors:
プランス ロバート
ハーランド クリストファー
ハーランド クリストファー
Application Number:
JP2009520039A
Publication Date:
February 25, 2015
Filing Date:
July 13, 2007
Export Citation:
Assignee:
ザ ユニバーシティ オブ サセックス
International Classes:
A61B5/055; G01R33/36
Attorney, Agent or Firm:
Right wood Masayuki
Wood Kazuyoshi
Wood Kazuyoshi
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