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:
May. 12, 1998
Filed:
Jan. 05, 1996
Applicant:
Inventors:
James C Strickland, Mesa, AZ (US);
Mark D Albers, Mesa, AZ (US);
Assignee:
Rockford Corporation, Tempe, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B / ; H03F / ;
U.S. Cl.
CPC ...
381 946 ; 381120 ; 381121 ; 330297 ; 330267 ; 330202 ;
Abstract
An audio amplifier, particularly suited for automotive applications, providing improved isolation between the preamplifier section and the power amplifier section. The preamplifier section ground is isolated from the power amplifier section ground. The amplifier includes a voltage regulator with output feedback for supplying a regulated voltage to the preamplifier section. The voltage regulator is referenced to the preamplifier section ground.