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:
Sep. 09, 2014
Filed:
Jul. 22, 2011
John R. Turner, Portland, ME (US);
Seth M. Prentice, Auburn, ME (US);
Oscar Freitas, Cape Elizabeth, ME (US);
Wonsoo Moon, Seoul, KR;
John R. Turner, Portland, ME (US);
Seth M. Prentice, Auburn, ME (US);
Oscar Freitas, Cape Elizabeth, ME (US);
Wonsoo Moon, Seoul, KR;
Fairchild Semiconductor Corporation, San Jose, CA (US);
Abstract
This document discusses, among other things, an audio jack detection circuit configured to be coupled to an audio jack receptacle of an external device. The audio jack detection circuit configured to receive to receive audio jack receptacle information, to disable an oscillator when the audio jack receptacle information indicates that the audio jack receptacle is empty, and to enable the oscillator when the audio jack receptacle information indicates that the audio jack receptacle includes an audio jack.