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. 05, 1992
Filed:
Jul. 16, 1991
Applicant:
Inventor:
Kunio Mitobe, Yamagata, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R / ; H04R / ; H01F / ;
U.S. Cl.
CPC ...
381193 ; 381192 ; 381202 ; 381204 ; 296091 ; 181172 ; 181296 ;
Abstract
A speaker and manufacturing method therefor includes a diaphragm having an integral edge, first and second frame pieces and a driver unit. The first and second frame pieces are formed by molding so that the first frame piece is integrally combined with the diaphragm edge, and the second frame piece is integrally combined with the driver unit.