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:
Jun. 04, 1996
Filed:
Oct. 01, 1993
Applicant:
Inventors:
Shinya Koseki, Shizuoka-ken, JP;
Jun Yamamoto, Shizuoka-ken, JP;
Assignee:
Yamaha Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10F / ;
U.S. Cl.
CPC ...
84 21 ; 84115 ; 84462 ;
Abstract
A player fingers on the keyboard of an automatic player piano and steps on the soft and damper pedals for variety of musical expression in a recording mode, and a controller drives actuators associated with the keys and the pedals as if the player performs, wherein the controller sequentially checks a digital locational signal to see whether or not transit points indicated by the digital locational signal characterize the locus of the plunger and stores digital locational codes indicative of the characterizing transit points only, thereby improving the faithfulness of the performance without sacrifice of the amount of stored data.