Audio jack detection and configuration
US8831234B2 · kind B2 · utility
14Cited by
15References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2011 |
| Grant date | Sep 9, 2014 |
| Priority date | — |
| Expiry date | Jun 9, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K5/1254
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.