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:
May. 03, 1988
Filed:
Nov. 17, 1986
Applicant:
Inventors:
Shuhei Kawano, Hamamatsu, JP;
Yuko Yamada, Hamamatsu, JP;
Masaaki Mizuguchi, Hamamatsu, JP;
Akihiko Takeuchi, Hamamatsu, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10D / ;
U.S. Cl.
CPC ...
8438 / ; 84-104 ;
Abstract
In construction of a musical recorder, a sound collector such as a microphone is attached to the body of the recorder at the position of the constant belly of the basic vibration of resonant air columns formed in the bore of the recorder at musical tone generation in order to obtain constant sound collecting level with large howling margin at musical tone regeneration without any influence of the wall configuration of the bore.