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:
Aug. 22, 2017
Filed:
Oct. 28, 2015
Texas Instruments Incorporated, Dallas, TX (US);
Xiaochun Zhao, Allen, TX (US);
Jim Kien Huy Le, Fort Collins, CO (US);
Texas Instruments Incorporated, Dallas, TX (US);
Abstract
Systems and methods for audio plug type detection excursion are described. In some embodiments, a method may include: receiving an audio plug at an audio jack; grounding a sleeve terminal of the audio jack; applying an electrical current to a second ring terminal of the audio jack; and measuring a voltage between the second ring terminal and the sleeve terminal. In other embodiments an electronic circuit may include a controller and a memory coupled to the controller, the memory having program instructions stored thereon that, upon execution by the controller, cause the controller to: ground a sleeve terminal of an audio jack; apply an electrical current to a second ring terminal of the audio jack; and measure a voltage between the second ring terminal and the sleeve terminal.