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Title:
KEYBOARD DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/016327
Kind Code:
A1
Abstract:
The present invention specifically controls the key-pressing load among the touch sensations of an electronic keyboard-type musical instrument. To this end, a keyboard device is characterized by being equipped with: keys arranged so as to be capable of rotating relative to a frame; a first member having an elastic body provided on at least one section of the surface thereof; a second member positioned so as to move on the elastic body while elastically deforming the elastic body, in response to the rotation of the keys; and a hammer assembly connected to the keys by the first and second members so as to rotate in response to the rotation of the keys.

Inventors:
OGAWA KENTO (JP)
ICHIKI SHUNSUKE (JP)
Application Number:
PCT/JP2017/024724
Publication Date:
January 25, 2018
Filing Date:
July 05, 2017
Export Citation:
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Assignee:
YAMAHA CORP (JP)
International Classes:
G10B3/12; G10H1/34
Foreign References:
JP2013160780A2013-08-19
JPH0511746A1993-01-22
Attorney, Agent or Firm:
CHUBU PATENT OFFICE (JP)
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