| 摘要 |
An electric potential fixing apparatus of the present invention is an electric potential fixing apparatus that is connected to a connection line ( 17 ) between two capacitances, the first capacitance ( 14 ) and the second capacitance ( 15 ) that is directly connected to the first capacitance, includes the first high resistance ( 3 ), the second high resistance ( 4 ) that is connected directly to the first high resistance, a voltage dividing unit that outputs electric potential divided by the first high resistance and the second high resistance to the output terminal, the third capacitance ( 8 ) that is connected in parallel to at least either of the first high resistance and the second high resistance, and a voltage supply unit ( 1 ) operable to maintain constantly electric potential of the connection line between the two capacitances ( 14 ) and ( 15 ), holding combined total electric charge quantity of the first capacitance and the second capacitance, and the output terminal of the voltage supply unit is connected to a signal line between the two capacitances. |
