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:
Jan. 24, 1995
Filed:
Apr. 14, 1993
Masaki Kudo, Hamamatsu, JP;
Tokio Shirakawa, Hamamatsu, JP;
Yamaha Corporation, , JP;
Abstract
An addition section and a memory section for storing data to be inputted to the addition section are provided. A processing section variably performs a logical processing on output data of the memory section in accordance with a control signal and gives the data to the addition section. A control section controls introduction of data to the memory section and supply of the control signal to the processing section in correspondence to respective desired operations so that plural kinds of operations for tone signal generation may be respectively performed. With this arrangement, the addition section can be shared for various kinds of operations for the tone signal generation. Consequently, operation circuits for performing the various operations are integrated, so as to realize a substantial reduction of circuitry construction.