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. 23, 2003
Filed:
Feb. 20, 2001
Kazushi Suzuki, Shizuoka, JP;
Star Micronics Co., Ltd., Shizuoka, JP;
Abstract
An electroacoustic transducer ( ) includes a diaphragm ( ) made of magnetic material and spaced from the forward end of the magnetic core; a magnet ( ); a coil ( ) wound around the magnetic core ( ) and supplying an oscillating magnetic field to the diaphragm; a support ring ( ) which supports the diaphragm ( ); a lower housing ( ) which accommodates members; an upper housing ( ) attached to the upper housing ( ). Coil spring-like terminals ( ) are attached to terminal accommodating portions ( Ga) which are opened in the bottom face of the lower housing ( ). Lead wires ( a) and ( b) of the coil ( ) are directly connected to the terminals ( ), respectively. The terminal accommodating portions ( a) are sealed by a soldering process.