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:
Jul. 07, 1998
Filed:
Feb. 22, 1996
Applicant:
Inventors:
Hirosuke Watanabe, Ibaraki, JP;
Takeo Kimura, Osaka, JP;
Masatoshi Okazaki, Ashiya, JP;
Shinya Mizone, Tsu, JP;
Assignees:
Teijin Limited, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ; H04R / ;
U.S. Cl.
CPC ...
4282974 ; 442 60 ; 442 85 ; 442104 ; 442189 ; 442197 ; 442199 ; 442301 ;
Abstract
There is provided a speaker damper for use in an acoustic output device, which exhibits excellent shape retaining property at the time of molding, is highly safe to work environment and has excellent water resistance, heat resistance an durability. The speaker damper is obtained by impregnating cloth formed of mixed yarn of a wholly aromatic polyamide fiber and an aromatic polyester fiber with a polyester resin, and molding the cloth under heat and pressure.