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:
Apr. 06, 2004
Filed:
Oct. 15, 2002
Applicant:
Inventors:
Patrick Bernard, Saint Martin le Vinoux, FR;
Anthony Quelen, Grenoble, FR;
Christian Perrin, Saint Georges de Commiers, FR;
Assignee:
Semiconductor Components Industries, L.L.C., Phoenix, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/04 ;
U.S. Cl.
CPC ...
H03F 3/04 ;
Abstract
An audio amplifier system ( ) is formed to include a voltage reference ( ). The voltage reference ( ) is formed to utilize a filter having a first cut-off frequency when the output ( ) of the voltage reference ( ) is less than a first value and to use a second cut-off frequency when the output ( ) is greater than the first value.