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. 19, 2016
Filed:
Dec. 06, 2011
Christian Larsen, Irvine, CA (US);
Lorenzo Crespi, Costa Mesa, CA (US);
Brian W. Friend, Carlsbad, CA (US);
Christian Larsen, Irvine, CA (US);
Lorenzo Crespi, Costa Mesa, CA (US);
Brian W. Friend, Carlsbad, CA (US);
CONEXANT SYSTEMS, INC., Newport Beach, CA (US);
Abstract
A system for detecting a jack configuration comprising a first plurality of switches configured to couple a first headphone jack position to ground. A second plurality of switches configured to couple a second headphone jack position to ground. A microphone bias circuit for applying a microphone bias signal to the second headphone jack position when the first headphone jack position is coupled to ground, and for applying the microphone bias signal to the first headphone jack position when the second headphone jack position is coupled to ground.