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:
Jun. 05, 2001
Filed:
Sep. 17, 1997
Frank Albert Bilan, San Jose, CA (US);
Jules Joseph Jelinek, San Francisco, CA (US);
Other;
Abstract
A fully integrated, low cost, amplified electro-acoustic loudspeaker is disclosed in which an amplifier circuit (,), radio-frequency receiver amplifier circuit (,), optical receiver amplifier circuit (,), or network based amplifier circuit (,) is directly mounted on the loudspeaker's magnetic assembly (,), contained within the loudspeaker's moving assembly (,), or a combination thereof. The amplified loudspeaker's magnetic assembly (,) is utilized as an electro-magnetic interference shield and/or a heat dissipating element for the attached electronic circuitry. In selected embodiments of the amplified loudspeaker system, the former (,) containing voice coil (,) is additionally utilized for convection cooling of the amplifier circuit (,) or receiver/amplifier circuit combination (,).