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. 20, 1998
Filed:
Jun. 05, 1996
Applicant:
Inventors:
Tomoyuki Ura, Shizuoka-ken, JP;
Tsutomu Sasaki, Shizuoka-ken, JP;
Assignee:
Yamaha Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10G / ;
U.S. Cl.
CPC ...
84462 ; 84171 ;
Abstract
A keyboard musical instrument continuously monitors a key motion, and determines present key state on the basis of the previous key state, the present key position and a lapse of time during the previous key state so as to exactly control a tone generation.