Title:
回転操作装置
Document Type and Number:
Japanese Patent JP7435083
Kind Code:
B2
Abstract:
A rotation operation device includes: a rotation shaft including a first end portion and a second end portion spaced apart from each other in an axial direction of the rotation shaft; a knob having conductivity, the knob being provided at the first end portion of the rotation shaft and being configured to rotate the rotation shaft; a touch sensor configured to detect a contact with the knob; and an elastic body having conductivity, the elastic body including a first end connected to the knob and a second end connected to the touch sensor. The knob includes a surface facing in the axial direction of the rotation shaft towards the second end portion of the rotation shaft, the surface of the knob includes a recess portion recessed in the axial direction, and the first end of the elastic body is disposed in the recess portion.
Inventors:
Ryuichi Izumi
Yoshihiro Suzuki
Yoshihiro Suzuki
Application Number:
JP2020045710A
Publication Date:
February 21, 2024
Filing Date:
March 16, 2020
Export Citation:
Assignee:
Yamaha Corporation
International Classes:
H01H19/00
Domestic Patent References:
| JP2010182671A | ||||
| JP2013191058A |
Attorney, Agent or Firm:
Kazuzumi Nishizawa
Tomoo Katsumata
Eisuke Ito
Yuko Kashino
Tomoo Katsumata
Eisuke Ito
Yuko Kashino
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