Solar powered hearing aid
US5253300A · kind A · utility
86Cited by
45References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 25, 1991 |
| Grant date | Oct 12, 1993 |
| Priority date | — |
| Expiry date | Jun 25, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S136/291
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Hearing aids include rechargeable batteries and contacts accessible from outside of the hearing aid casing for the battery. A charging case includes solar cells mounted on the charging case for outputting energy for charging the batteries in the hearing aids. The charging case may include silos for supporting an over-the-ear hearing aid or a recess for receiving a volume control on the hearing aid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.