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:
May. 24, 1994
Filed:
Nov. 24, 1992
Applicant:
Inventors:
Norishige Terada, Shizuoka, JP;
Shinsuke Irisa, Shizuoka, JP;
Assignee:
Yamaha Corporation, Hamamatsu, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10D / ;
U.S. Cl.
CPC ...
84404 ;
Abstract
A glockenspiel comprises a keyboard implemented by a plurality of keys respectively associated with tuned sound bars, and each of the tuned sound bars is struck by a hammer upon depressing the associated key, wherein a plurality of hammer heads different in hardness are embedded into a hammer body and selectively brought into abutting engagement with the associated tuned sound bar so that tone color is changed during performance of a music.