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:
Oct. 18, 1983
Filed:
Jun. 08, 1981
Applicant:
Inventor:
Lee Hagey, Buchanan, MI (US);
Assignee:
Electro-Voice, Incorporated, Buchanan, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
1791 / ; 179 / ; 181285 ; 181158 ; 181151 ; 181290 ; 381 92 ;
Abstract
A unidirectional dynamic microphone provided with a first sound path to the forward side of the diaphragm and a second sound path to the rear side of the diaphragm in which the second sound path has a chamber coupled to a second chamber associated with the diaphragm through a distributed acoustic RC damping assembly.