Digital hearing enhancement apparatus
US5029217A · kind A · utility
71Cited by
6References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 3, 1989 |
| Grant date | Jul 2, 1991 |
| Priority date | — |
| Expiry date | Apr 3, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2430/03
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An apparatus and technique for enhancing the hearing capabilities of persons by providing a device which is a model of the desired hearing characteristic of the persons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.