Title:
STORAGE DEVICE AND LIQUID EJECTION APPARATUS
Document Type and Number:
Japanese Patent JP2023077598
Kind Code:
A
Abstract:
To improve the detection accuracy of the storage amount of object.SOLUTION: A storage device comprises: a storage section including a plurality of walls and storing an object in a space surrounded by the plurality of walls; and a flexible printed circuit board including a non-conductive first cover film layer, a non-conductive second cover film layer, a non-conductive base material layer provided between the first cover film layer and the second cover film layer, a conductive first conductor layer provided between the first cover film layer and the base material layer, as well as, a conductive second conductor layer provided between the second cover film layer and the base material layer. The first cover film layer is provided between the second cover film layer and the storage section. The first conductor layer includes a first electrode provided in a first wall of the plurality of walls, and a second electrode provided in a second wall of the plurality of walls. The second conductor layer includes constant-voltage wiring held at a constant voltage.SELECTED DRAWING: Figure 7
Inventors:
HOSOKAWA YASUHIRO
YOKOI TAKANORI
YOSHIZAWA MOTOO
YOKOI TAKANORI
YOSHIZAWA MOTOO
Application Number:
JP2021190931A
Publication Date:
June 06, 2023
Filing Date:
November 25, 2021
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
B41J2/175
Attorney, Agent or Firm:
Ochi International Patent Office