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:
Dec. 09, 2003
Filed:
Jul. 31, 2002
Yamaha Corporation, Hamamatsu, JP;
Abstract
In an automatic play apparatus for electronic music system, it is often desired to expand its function in universal and easy way. In this invention, at steps , the sequencer module records music performance data provided from an external device or it reproduces them. Sometimes it does both at the same time. In a series of processing at steps , the queue processing and are introduced. In each queue processing, a part of the music performance data is memorized temporarily in Temporary Memory Area and , and the pointer, as an argument, corresponding to the memorized part of the music performance data is transferred to various plug-in programs which work as function expansion modules. The plug-in programs are thus enabled to read out the music performance data and write them, respectively from and in Temporary Memory Area and