Electronic device, audio device, and method for supplying power to the audio device
US9621986B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 28, 2014 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Jan 28, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R29/004
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for supplying power to an audio device is provided. An electronic device includes an audio device connector comprising a microphone terminal configured to receive an audio signal of a microphone from an audio device, at least one audio terminal configured to output the audio signal to the audio device, a ground terminal, a power supply unit configured to selectively generate one of a first power and a second power to be supplied to the audio device through the microphone terminal, and a controller configured to identify whether the audio device has a type that includes an additional function unit based on a voltage at the microphone terminal, and to control the power supply unit to apply one of the first power and the second power to the microphone terminal correspondingly to the type of the audio device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.