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:
Nov. 16, 2021
Filed:
Sep. 09, 2019
Roland Corporation, Shizuoka, JP;
Tateki Yamamura, Shizuoka, JP;
Yoshiki Takaki, Shizuoka, JP;
Yukihide Takata, Shizuoka, JP;
Hitoshi Sato, Shizuoka, JP;
Roland Corporation, Shizuoka, JP;
Abstract
The disclosure provides a keyboard device and an electronic musical instrument. The keyboard device includes: a plurality of keysarranged in a left-right direction (scale direction); a base membersupporting the keys; a vibration transmission memberbeing in contact with the base memberacross an arrangement region of the keysin the left-right direction; and a vibratorfixed to the vibration transmission memberand vibrating based on pressing of the key. Therefore, the vibration of the vibratoris transmitted to each of the keys(base member) arranged on the left and right via the vibration transmission member. As the vibration transmission memberhas higher rigidity than the base membermade of resin, the vibration of the vibratoris easily transmitted in the left-right direction through the vibration transmission member