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. 02, 2015
Filed:
Apr. 14, 2011
Applicants:
Asaf Refaeli, Rishon le zion, IL;
Francesco Rezzi, Cava Manara, IT;
Giuseppe DE Vita, Pisa, IT;
Inventors:
Assignee:
Marvell International Ltd., Hamilton, BM;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 21/00 (2006.01); H03F 3/181 (2006.01);
U.S. Cl.
CPC ...
H03F 3/181 (2013.01);
Abstract
Aspects of the disclosure provide an audio amplification system. The audio amplification system includes an amplifier configured to amplify an audio signal, and a power supply module external to the amplifier that is configured to provide to the amplifier a supply voltage having a voltage level that is selected from at least two possible voltage levels based on an output volume level for the audio signal. In an example, the amplifier is a Class AB amplifier.