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. 06, 1988
Filed:
Jul. 08, 1987
Applicant:
Inventor:
Richard Pribyl, Vienna, AT;
Assignee:
AKG Akustische u. Kino-Gerate Gesellschaft m.b.H., Vienna, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
381191 ; 181171 ; 381205 ; 381113 ;
Abstract
An electrostatic transducer with a diaphragm supported by means of a stretching ring, and a back plate which is formed by a thin metal plate supported on a carrier member and mounted spaced apart from the diaphragm. A plurality of support members are attached to the carrier member and distributed over the area of the carrier member. The base plate is glued to the free ends of the support members. In this transducer, the use of very thin metal plate as back plates is possible.