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:
Mar. 04, 1997
Filed:
Feb. 29, 1996
Applicant:
Inventor:
David Hall, San Jose, CA (US);
Assignee:
Velodyne Acoustics, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
381193 ; 381202 ; 181172 ;
Abstract
A loudspeaker structure utilizing a curved member or cone having an endless rim and a continuous curved surface between the rim. A rigid support is attached to the endless rim in order to provide a mounting structure for the curved member. A surround formed of vibration damping material is connected to the rim of the curved member. A former for voice coil is connected to the curved member and extends outwardly from the continuous curved surface. The voice coil is placed on the former at a predetermined distance from the continuous curved surface.