Electricity: measuring and testing – Electrostatic field – Using modulation-type electrometer
Reexamination Certificate
2008-05-12
2010-06-22
He, Amy (Department: 2831)
Electricity: measuring and testing
Electrostatic field
Using modulation-type electrometer
C324S457000
Reexamination Certificate
active
07741851
ABSTRACT:
A potential measuring apparatus has a detection electrode on which an electric charge is induced according to a potential of a detection object, and a modulator for altering the generated quantity of the electric charge. The detection electrode has at least one depressed portion on a surface opposite to the detection object.
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Ichimura Yoshikatsu
Kandori Atsushi
Ushijima Takashi
Zaitsu Yoshitaka
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
He Amy
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