Biometric, physiological or environmental monitoring using a closed chamber
US10937407B2 · kind B2 · utility
6Cited by
48References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 2016 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Jan 2, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2420/01
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An aural iris includes a lumen and an actuator coupled on or in or to the lumen for at least partially attenuating sound traversing through the lumen by selectively actuating the actuator on and off. Other embodiments are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.