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. 25, 2007
Filed:
Dec. 14, 2000
Applicants:
Junichi Hayakawa, Kawasaki, JP;
Takaharu Ichiryu, Osaka, JP;
Inventors:
Junichi Hayakawa, Kawasaki, JP;
Takaharu Ichiryu, Osaka, JP;
Assignee:
Kabushiki Kaisha Kenwood, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
D03D 15/00 (2006.01); G10K 13/00 (2006.01); H04R 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a diaphragm for a loud-speaker of the present invention, an increase in tensile strength is averagely attained as a whole, and the over all diaphragm is uniformly colored without showing any lattice pattern. The diaphragm includes a woven fabric comprising yarns made from a blend of a plurality of fibers wherein at least one of the plurality of fibers is PBO (poly(p-phenylene benzobisoxazole)) fiber.