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:
Aug. 29, 2000
Filed:
Feb. 11, 1998
Applicant:
Inventors:
Yoshio Imahori, Shizuoka, JP;
Isao Fushimi, Shizuoka, JP;
Assignee:
Star Micronics Co., Ltd., Shizuoka, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
381412 ; 381420 ; 381417 ;
Abstract
An electroacoustic transducer, which has a diaphragm, a support member for supporting the diaphragm, a pole piece placed inside the support member and comprising a core and a base, a coil wound around the core, and a magnet placed between the support member and the coil, in which the pole piece or at least the core thereof is made of resin to which a magnetization is applied.