Breath sensing device for a portable electronic device
US11953497B2 · kind B2 · utility
0Cited by
0References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 2018 |
| Grant date | Apr 9, 2024 |
| Priority date | — |
| Expiry date | Sep 10, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2562/0204
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention relates to a breath sensing devices for a portable apparatus, in particular a portable telecommunication device or a wearable device, the sensing device comprising an acoustic wave sensing means, like a microphone; and a gas sensing means, The invention furthermore relates to an electronic device comprising such a sensing device. In addition, methods are provided that allow calibrating a gas volume based on an output signal of an acoustic wave sensing means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.