Title:
ROTARY OPERATION SWITCH DEVICE
Document Type and Number:
Japanese Patent JP2017010656
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a rotary operation switch device which improves touch detection accuracy about whether a rotary operation knob is touched.SOLUTION: A rotary operation switch device 1 comprises: a main electrode 100 that is a first electrode disposed in a main body part 10 at a non-rotary part side; and a sub electrode 200 that is a second electrode coaxial with the main electrode 100, disposed in a rotary operation knob 20 at a rotary part side on a circumference, rotatable within a predetermined rotation range relatively to the main electrode 100 and capacitively coupled oppositely to the main electrode 100. The sub electrode 200 is set at a greater angle value, in a circumferential direction, than the main electrode 100.SELECTED DRAWING: Figure 1
Inventors:
SUGIMOTO RYOHEI
TAKENAWA SATORU
KUWAHARA KAZUKI
TAKENAWA SATORU
KUWAHARA KAZUKI
Application Number:
JP2015122379A
Publication Date:
January 12, 2017
Filing Date:
June 17, 2015
Export Citation:
Assignee:
TOKAI RIKA CO LTD
International Classes:
H01H19/00
Attorney, Agent or Firm:
Tadao Hirata
Takashi Nomiyama
Takashi Nomiyama