Light powered hearing aid
US8712085B2 · kind B2 · utility
0Cited by
10References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 2008 |
| Grant date | Apr 29, 2014 |
| Priority date | — |
| Expiry date | Apr 8, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/31
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A hearing aid includes a case and a photovoltaic cell located in the case near a translucent portion of the case. A detector circuit includes a voltage comparator for monitoring the voltage from the photocell and indicating variations in voltage. The variations are analyzed to detect data for operating the hearing aid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.