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. 23, 2015
Filed:
Apr. 10, 2012
Angelo William Pereira, Hillsboro, OR (US);
Paul-herve Aymeric Fontaine, Plano, TX (US);
Michel Vercier, Chicago, IL (US);
Chintan Trehan, Fairview, TX (US);
Sooping Saw, The Colony, TX (US);
Balaji Narendran Chellappa, Dallas, TX (US);
Angelo William Pereira, Hillsboro, OR (US);
Paul-Herve Aymeric Fontaine, Plano, TX (US);
Michel Vercier, Chicago, IL (US);
Chintan Trehan, Fairview, TX (US);
Sooping Saw, The Colony, TX (US);
Balaji Narendran Chellappa, Dallas, TX (US);
TEXAS INSTRUMENTS INCORPORATED, Dallas, TX (US);
Abstract
An apparatus comprises a selected volume detector that detects a selected output volume; an analog output signal amplifier; a digital volume amplifier; a boost gain control element coupled to the selected volume detector; the analog output signal amplifier; and the digital volume amplifier; wherein the boost gain control element is configured to: keep a gain of a path of the digital volume amplifier and the analog output signal amplifier substantially constant, wherein the boost gain control element can adjust both: a) a gain of the digital volume control; and b) a gain of the analog output signal amplifier; to keep the gain of the path of the digital volume amplifier and the analog output signal substantially constant and equal to the selected output volume.