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:
Jun. 17, 2014
Filed:
Jun. 23, 2011
Takeshi Fujitani, Neyagawa, JP;
Yushi Ono, Neyagawa, JP;
Ryoichi Takahashi, Yokohama, JP;
Ryosuke Sano, Yokohama, JP;
Takeshi Fujitani, Neyagawa, JP;
Yushi Ono, Neyagawa, JP;
Ryoichi Takahashi, Yokohama, JP;
Ryosuke Sano, Yokohama, JP;
Onkyo Corporation, Osaka, JP;
Abstract
A loudspeaker diaphragm according to an embodiment of the present invention includes: a diaphragm portion; and an edge portion, which is molded integrally with the diaphragm portion and made of a material different from a material for the diaphragm portion, wherein: the diaphragm portion includes, at an outer peripheral end thereof, an outer wall portion provided upright in a direction substantially parallel to a vibrating direction of the diaphragm portion; an inner peripheral surface of the edge portion is bonded onto an outer peripheral surface of the outer wall portion; and the outer wall portion has a height larger than a thickness of the diaphragm portion.