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:
Aug. 10, 2004
Filed:
Oct. 11, 2001
Applicant:
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10K 1/300 ; H04R 7/00 ;
U.S. Cl.
CPC ...
G10K 1/300 ; H04R 7/00 ;
Abstract
A damper for a speaker includes an auxiliary damper impregnated with a thermosetting resin, a laminate film laminated on the auxiliary damper , and a primary damper formed on the auxiliary damper or the laminate film . Alternatively, the damper may include the auxiliary damper impregnated with the thermosetting resin (phenol) and coated with a coating agent, and the primary damper formed on the auxiliary damper and the coating agent . Thus, the dual damper which has enhanced reliability in resisting a high power and can be produced at a low cost without variation in the production can be obtained.