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:
Sep. 06, 1994
Filed:
Oct. 08, 1992
Tetsusai Kondo, Shizuoka, JP;
Abstract
An apparatus for automatic playing of a piano has storage register for storing play information, which includes key depression force information, and that sequentially reads the play information from the storage register and that uses included key depression force to activate operation terminals. The apparatus comprises: volume designating circuitry for designating volume; a volumn control information generator for generating volume control information in agreement with a volume designated by the volume designating circuitry; a calculator for performing a specified arithmetic operation involving the key depression force information and the volume control information, which is generated by the volume control information generator, to obtain new key depression information; and a controller for driving the operation terminals based on the new key depression force information that is provided by the calculator.