Portable device and method for operating the same
US11076217B2 · kind B2 · utility
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13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 2020 |
| Grant date | Jul 27, 2021 |
| Priority date | — |
| Expiry date | May 20, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/03
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A portable device includes a microphone structure for converting a received audio signal into an electronic signal representing the received audio signal and for transceiving an ultrasonic wave by transmitting the ultrasonic wave and by receiving a reflection of the ultrasonic wave. The portable device includes a control unit for evaluating the reflection of the ultrasonic wave to obtain an evaluation result and for controlling an operation of the portable device based on the evaluation result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.