Title:
COUNTERFORCE GENERATION DEVICE AND KEYBOARD DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/173770
Kind Code:
A1
Abstract:
Provided is a counterforce generation device. According to the present invention, one counterforce generation device has an actuator that rotates around a fulcrum of rotation and a counterforce generation member that contacts the actuator, the actuator and the counterforce generation member having a plurality of planes of contact, and the fulcrum of rotation being in at least one of the plurality of planes of contact. Another counterforce generation device has an actuator that rotates around a fulcrum of rotation and a counterforce generation member that has at least three points of contact with the actuator, the fulcrum of rotation being in the plane that includes the three points of contact.
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Inventors:
TANOUE MICHIKO (JP)
Application Number:
PCT/JP2018/008966
Publication Date:
September 27, 2018
Filing Date:
March 08, 2018
Export Citation:
Assignee:
YAMAHA CORP (JP)
International Classes:
G10H1/34; G10B3/12
Foreign References:
| JPH11212571A | 1999-08-06 | |||
| JP2001166773A | 2001-06-22 | |||
| JPH01169494A | 1989-07-04 | |||
| JP2006039186A | 2006-02-09 | |||
| JP2003280658A | 2003-10-02 |
Attorney, Agent or Firm:
TACHIBANA, Kenji et al. (JP)
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