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:
Nov. 23, 1999
Filed:
Oct. 24, 1997
Applicant:
Inventors:
Alejandro Bertagni, Lake Forest, CA (US);
Eduardo Bertagni, Tustin, CA (US);
Assignee:
Sound Advance Systems, Inc., Santa Clara, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
381397 ; 381431 ;
Abstract
An improved planar diaphragm loudspeaker having a voice coil assembly coupled to the rear surface of a planar diaphragm formed of a pre-expanded cellular plastic material, in which a metal dissipator in the form of a disk is mounted between the voice coil assembly and the planar diaphragm to reduce the transfer of heat from the voice coil assembly to the planar diaphragm.
Quick Actions:
Bertagni, Alejandro. (1999). Planar diaphragm speaker with heat dissipator (U.S. Patent No. 5991424). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5991424
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile