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. 03, 1987
Filed:
Dec. 12, 1984
Applicant:
Inventors:
Yoichi Nagashima, Shizuoka, JP;
Tatsunori Kondo, Shizuoka, JP;
Kiyomi Takauji, Shizuoka, JP;
Mineo Kitamura, Shizuoka, JP;
Tadashi Matsushima, Shizuoka, JP;
Eiji Nagashima, Shizuoka, JP;
Masafumi Mizoguchi, Shizuoka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10H / ;
U.S. Cl.
CPC ...
84-119 ; 84DI / ; 84-121 ; 84-111 ;
Abstract
An electronic musical instrument is provided with a temporal variation circuit of SCF parameters for temporally varying the filter characteristic of a switched capacitor filter circuit, a control circuit for digitally controlling the temporal variation circuit and a touch response circuit for detecting, by scanning, touch response data in performance, whereby temporal variations of a musical waveform signal are digitally controlled.