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.

Date of Patent:
May. 09, 2017

Filed:

May. 25, 2016
Applicant:

Panasonic Automotive Systems Company of America, Division of Panasonic Corporation of North America, Peachtree City, GA (US);

Inventors:

Dallas Dwight Hickerson, Sharpsburg, GA (US);

Kenneth Dale Finlon, Fayetteville, GA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03G 11/00 (2006.01); H04R 3/00 (2006.01); H03F 5/00 (2006.01); H03F 1/52 (2006.01); H03F 3/185 (2006.01); H03F 3/45 (2006.01); H03F 3/181 (2006.01); H03F 3/20 (2006.01); H04R 3/12 (2006.01);
U.S. Cl.
CPC ...
H04R 3/007 (2013.01); H03F 1/52 (2013.01); H03F 3/181 (2013.01); H03F 3/185 (2013.01); H03F 3/20 (2013.01); H03F 3/45475 (2013.01); H03F 5/00 (2013.01); H04R 3/00 (2013.01); H04R 3/12 (2013.01); H03F 2200/99 (2013.01); H04R 2499/13 (2013.01);
Abstract

An audio power amplifier arrangement includes an audio power amplification integrated circuit having two loudspeaker outputs. A rectifier circuit includes a first diode having a cathode connected to one of the two loudspeaker outputs and an anode connected to a rectifier output node. A second diode has an anode connected to the one loudspeaker output. A first resistor has a first end connected to a cathode of the second diode and a second end connected to the rectifier output node. A capacitor has a first end connected to the rectifier output node and a second end connected to electrical ground. A second resistor has a first end connected to the rectifier output node and a second end connected to electrical ground.


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