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:
Jul. 12, 1988
Filed:
Sep. 10, 1987
Applicant:
Inventor:
Thomas J Danley, Highland Park, IL (US);
Assignee:
Intersonics Incorporated, Northbrook, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ;
U.S. Cl.
CPC ...
381165 ; 381124 ; 381194 ;
Abstract
An electrical blower is used to pass cooling air through a loudspeaker driver. The blower is connected in parallel to the leads between the amplifier and speaker such that the blower speed and cooling increases with increased power consumption and heat generation by the driver.