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.

Date of Patent:
Feb. 18, 2003

Filed:

May. 12, 1997
Applicant:
Inventors:

Glenn E. Warnaka, State College, PA (US);

Mark E. Warnaka, Howard, PA (US);

Michael J. Parrella, Weston, CT (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/00 ; H04R 2/500 ;
U.S. Cl.
CPC ...
H04B 1/00 ; H04R 2/500 ;
Abstract

At improved loudspeaker system for a passenger vehicle such as an automobile is disclosed. The system comprises a transducer capable of being excited by applied electric potential and electronic means that is electrically connected to the transducer to apply electric potential thereto. It is a feature of the present invention that the diaphragm driven by the excited transducer is comprised of the trim panel of the vehicle.


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