Title:
PHYSICAL QUANTITY DETECTOR AND PRINTING DEVICE
Document Type and Number:
Japanese Patent JP2021056082
Kind Code:
A
Abstract:
To provide a physical quantity detector and a printing device with which, even when a plurality of containers are installed, it is possible to accurately detect the remaining quantity of a detection object in each container.SOLUTION: Provided is a physical quantity detector comprising: a container capable of accommodating a detection object composed of a dielectric substance, where when mutually orthogonal x and y axes and a z axis along the vertical direction are set, the z axis direction is the depth direction; a first electrode arranged on the outside of the container; at least one second electrode exhibiting an elongated shape extending along the y axis direction and arranged on the outside of the container and facing the first electrode by being spaced apart therefrom in the x axis direction; a first insulating layer covering the first electrode; a second insulating layer covering the second electrode; and a capacitance detection unit for detecting capacitance between the first and second electrodes.SELECTED DRAWING: Figure 3
Inventors:
YONEMURA TAKAYUKI
Application Number:
JP2019178872A
Publication Date:
April 08, 2021
Filing Date:
September 30, 2019
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
G01F23/26; B41F31/02; B41J2/175
Attorney, Agent or Firm:
Kazuaki Watanabe
Satoshi Nakai
Hiroki Matsuoka
Satoshi Nakai
Hiroki Matsuoka