Wearable device using bone conduction speaker
US9681222B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 16, 2015 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Nov 16, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wearable device using a bone conduction speaker, including a wearable band worn on an arm of a user, a communication module attached to the wearable band, an audio processor configured to process an audio signal transmitted and received through the communication module, a microphone configured to transmit a voice signal, which is input in sound by the user, to the audio processor, a bone conduction speaker configured to output a reception audio signal, which is processed by the audio processor, in bone conduction mode, and an echo canceller configured to cancel the voice signal in an audio signal output from the bone conduction speaker, is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.