Title:
KEYBOARD DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/169077
Kind Code:
A1
Abstract:
This keyboard device comprises: a frame; a plurality of keys that each rotate with respect to the frame and that include a first key and a second key; and a plurality of guides that each include a first member softer than the frame and than the plurality of keys, and a second member harder than the first member and said guides regulate movement of the plurality of keys at vertically different positions for each of the keys. Each of the plurality of guides is in a first state where the key is in contact with the first member or in a second state where the key is in contact with the second member, and the number of the guides regulating the second key to the second state is larger than the number of the guides regulating the first key to the second state.
Inventors:
ICHIKI SHUNSUKE (JP)
Application Number:
PCT/JP2018/010606
Publication Date:
September 20, 2018
Filing Date:
March 16, 2018
Export Citation:
Assignee:
YAMAHA CORP (JP)
International Classes:
G10B3/12; G10C3/12; G10H1/34
Foreign References:
| JP2009236946A | 2009-10-15 | |||
| JP2009236943A | 2009-10-15 |
Attorney, Agent or Firm:
TACHIBANA, Kenji et al. (JP)
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