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:
Mar. 24, 1998
Filed:
Nov. 05, 1996
Applicant:
Inventors:
Assignee:
Yamaha Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10F / ;
U.S. Cl.
CPC ...
84 21 ; 84115 ; 84462 ;
Abstract
An automatic player piano records not only regular key-on event/impact event/regular key-off event representative of a regular key motion between a rest position and an end position but also irregular key-on event/irregular key-off event representative of an irregular key motion changing the direction at an intermediate point between the rest position and the end position so as to exactly reproduce an original performance.