The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 2021
Filed:
Mar. 11, 2019
Applicant:
Yamaha Corporation, Hamamatsu, JP;
Inventor:
Shunsuke Ichiki, Hamamatsu, JP;
Assignee:
YAMAHA CORPORATION, Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10H 1/34 (2006.01); G10H 1/00 (2006.01); G10C 3/12 (2006.01); G10C 3/18 (2006.01);
U.S. Cl.
CPC ...
G10H 1/344 (2013.01); G10C 3/12 (2013.01); G10C 3/18 (2013.01); G10H 1/0008 (2013.01); G10H 1/34 (2013.01);
Abstract
A keyboard device includes white keys, black keys adjacent to the white keys, and guides that are arranged between the white keys and the black keys and restrict operation by coming into contact with the white keys and the black keys. The keyboard device may further include a housing that covers parts of the white keys and the black keys, and the guide may be arranged in the region covered by the housing. The keyboard device may further include caps that are provided between the guides and the white keys and the guides and the black keys, and that have a lower Young's modulus than the guides.