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:
Jan. 27, 1976
Filed:
Jul. 25, 1973
Applicant:
Inventor:
Martin Gersten, Brooklyn, NY (US);
Assignee:
Ohm Acoustics Corporation, Brooklyn, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R / ;
U.S. Cl.
CPC ...
1791 / ;
Abstract
A loudspeaker voice coil assembly having improved power handling capability is disclosed. The voice coil is wound of rectangular cross section aluminum wire having flexible anodized coating. A thin anodized aluminum retaining cylinder is adhered to the winding of the voice coil with a thin coating of a cement. The anodization serves not only to electrically insulate the turns one from another and from the aluminum, heatradiating retainer, but also serves to enhance the efficiency of the cement bonding. Voice coils capable of continuously dissipating 150 watts rms audio power have successfully been fabricated.