Wireless earbud communications using magnetic induction
US9525936B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2014 |
| Grant date | Dec 20, 2016 |
| Priority date | — |
| Expiry date | Sep 19, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed are systems and devices for transmission of an audio signal. In some embodiments, the system may include a wearable computing device, a first audio receiver, and a second audio receiver. The wearable computing device may include an audio source configured to generate an audio signal that includes a first channel and a second channel, and a transmission coil configured to transmit the audio signal. The first audio receiver may include a first receiving coil configured to receive the audio signal, a first circuit configured to process the audio signal to determine the first channel, and a first audio output configured to output the first channel. Similarly, the second audio receiver may include a second receiving coil configured to receive the audio signal, a second circuit configured to process the audio signal to determine the second channel, and a second audio output configured to output the second channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.