Title:
静電容量検出装置及び画像読取装置
Document Type and Number:
Japanese Patent JP6843925
Kind Code:
B2
Abstract:
A capacitance detection device includes a first electrode (1) and a second electrode (2) at least partially facing each other with a conveyance path (5) therebetween, the conveyance path extending along a conveyance direction in which a sheet-like detection object (3) is conveyed, an oscillating circuit to form an electric field (9) between the first electrode (1) and the second electrode (2), a detection circuit to detect a change in capacitance between the first electrode (1) and the second electrode (2), a first board (11) and a second board (12) including at least one of the oscillating circuit or the detection circuit, an insulative first plate (6) arranged between the first electrode (1) and the conveyance path (5), and an insulative second plate (7) arranged between the second electrode (2) and the conveyance path (5).
Inventors:
Tomokazu Ogome
Naoyuki Tokita
Hideki Matsui
Tatsuya Kunieda
Naoyuki Tokita
Hideki Matsui
Tatsuya Kunieda
Application Number:
JP2019117192A
Publication Date:
March 17, 2021
Filing Date:
June 25, 2019
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
G07D7/026; B65H7/02; G06T1/00; G07D7/12; G07D7/189
Domestic Patent References:
| JP831159B2 |
Foreign References:
| WO2009013787A1 |
Attorney, Agent or Firm:
Kimura Mitsuru
Koji Yashima
Mie Hideki
Yukio Watanabe
Ryohei Miyawaki
Shiro Ryutake
Koji Yashima
Mie Hideki
Yukio Watanabe
Ryohei Miyawaki
Shiro Ryutake