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:
Mar. 18, 2008
Filed:
Feb. 16, 2006
Applicants:
Toshihide Inoue, Neyagawa, JP;
Hiroyasu Kumo, Neyagawa, JP;
Inventors:
Toshihide Inoue, Neyagawa, JP;
Hiroyasu Kumo, Neyagawa, JP;
Assignee:
Onkyo Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 7/02 (2006.01); G10K 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A speaker diaphragm includes a base material impregnated with a thermosetting resin composition. The base material includes a first surface material, a core material, and a second surface material in the stated order; the first surface material and the second surface material are each formed of a woven fabric or a non-woven fabric; and the core material is formed of a woven fabric or a non-woven fabric each including hollow fine particles.