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:
Nov. 06, 2007
Filed:
May. 27, 2003
Kazuji Kobayashi, Suginami-ku, JP;
Kazuji Kobayashi, Suginami-ku, JP;
Temco Japan Co., Ltd., Tokyo, JP;
Abstract
A bone conductive speaker is downsized without causing any loss in efficiency, simple in construction low in cost, and comprises yoke (), magnet () disposed in a central area of the yoke, and voice coil () wound on the magnet. The yoke has its peripheral area divided into a plurality of upright portions; of the upright portions, each of first ones () oppositely disposed from each other is provided with a first engaging means () in its upper surface; second engaging means () each corresponding to the first engaging means are provided in a vibrating plate (). The vibrating plate is mounted on a lid portion of the housing in a manner such that the vibrating plate is disposed on the upright portions of the yoke and fixedly mounted by means of the second engaging means in a manner such that the vibrating plate floats in the housing.