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. 12, 2021
Filed:
Apr. 07, 2020
Applicant:
Roland Corporation, Shizuoka, JP;
Inventor:
Masaaki Matsuba, Shizuoka, JP;
Assignee:
Roland Corporation, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); G10H 1/32 (2006.01); H04R 9/04 (2006.01);
U.S. Cl.
CPC ...
H04R 1/025 (2013.01); G10H 1/32 (2013.01); H04R 9/045 (2013.01); G10H 2220/461 (2013.01); H04R 2201/02 (2013.01); H04R 2201/40 (2013.01);
Abstract
Provided is an electronic keyboard instrument and sound releasing method thereof. The electronic keyboard instrument includes: a plurality of keys, a housing that supports the plurality of keys, and one or more speakers arranged in the housing. At least one of the speakers is configured as a flat-plate speaker that includes a vibrating membrane on which a pattern of a conducting wire is formed and a pair of magnet plates disposed facing both surfaces of the vibrating membrane, and the flat-plate speaker vibrates the vibrating membrane with an electromagnetic force accompanying energization of the conducting wire.