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. 22, 2023
Filed:
Sep. 04, 2018
Applicant:
Roland Corporation, Shizuoka, JP;
Inventors:
Assignee:
Roland Corporation, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10H 1/34 (2006.01); G10C 3/12 (2006.01);
U.S. Cl.
CPC ...
G10H 1/346 (2013.01); G10C 3/12 (2013.01); G10H 2220/221 (2013.01);
Abstract
A keyboard device is provided, and includes multiple keys and multiple hinges. Each of the keys is supported by a support member. Each of the hinges has: a pair of base parts, joined to the support member and separated from each other with a predetermined gap therebetween in a width direction of the keys, and a connection part, connecting the pair of base parts and each of the keys to each other in a longitudinal direction of the keys. A dimension of the connection part in the longitudinal direction of the keys is set to be larger than dimensions of the base parts in the width direction of the keys.