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Title:
Capacitance detector and image reader
Document Type and Number:
Japanese Patent JP6352570
Kind Code:
B2
Abstract:
A capacitance detection device includes a first electrode and a second electrode that at least partially face each other on opposite sides of a transfer path. An oscillator circuit forms an electric field between the first electrode and the second electrode. A detection circuit detects a change in capacitance between the first electrode and the second electrode. At least one of the oscillator circuit and the detection circuit is included in each of a first board and a second board. The first board is disposed such that a side surface of the first board faces the first electrode in an electric field direction, and the second board is disposed such that a side surface of the second board faces the second electrode in the electric field direction.

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Inventors:
Kagano future
Hiroshi Araki
Toshiaki Shoji
Hideki Matsui
Kazuya Makabe
Tomoyuki Miyata
Tomokazu Ogome
Application Number:
JP2018029816A
Publication Date:
July 04, 2018
Filing Date:
February 22, 2018
Export Citation:
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Assignee:
Mitsubishi Electric Corporation
International Classes:
G07D7/026; G07D7/121; G07D7/189
Domestic Patent References:
JP2005010968A
JP41020975B1
JP1209309A
Foreign References:
WO2009013787A1
US20160122946
US20060152231
Attorney, Agent or Firm:
Kimura Mitsuru
Koji Yashima
Mie Hideki



 
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