Earhealth monitoring system and method II
US8199919B2 · kind B2 · utility
63Cited by
15References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2007 |
| Grant date | Jun 12, 2012 |
| Priority date | — |
| Expiry date | Apr 9, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01H3/14
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Methods of operating an audio device are provided. A method includes measuring sound pressure levels (SPLECM) for acoustic energy received by an ear canal microphone (ECM) during a time increment Δt; and calculating a SPL_DoseΔt during the time increment Δt using SPLECM.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.