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:
Oct. 06, 2020
Filed:
Sep. 14, 2018
Applicant:
Yamaha Corporation, Hamamatsu-shi, JP;
Inventor:
Shunsuke Ichiki, Hamamatsu, JP;
Assignee:
YAMAHA CORPORATION, Hamamatsu-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10C 3/12 (2006.01); G10H 1/34 (2006.01); G10B 3/12 (2006.01); G10C 3/04 (2006.01);
U.S. Cl.
CPC ...
G10C 3/12 (2013.01); G10B 3/12 (2013.01); G10C 3/04 (2013.01); G10H 1/34 (2013.01);
Abstract
A keyboard apparatus includes a key; a guide regulating a direction in which the key moves, the guide being arranged at three or more locations not lined in a straight line when seen along a scale direction of the key, and the guide slidably making contact with the key from the scale direction; and a connecting portion connecting the key to a frame at the back side of the key from the guide, the connecting portion including a rod-like flexible member.