Speech pattern correction device for deaf and voice-impaired
US5146502A · kind A · utility
48Cited by
18References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 26, 1990 |
| Grant date | Sep 8, 1992 |
| Priority date | — |
| Expiry date | Feb 26, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L2021/0575
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A portable voice or speech aid enabling a deaf or voice impaired user to make sounds into a microphone to output intelligible speech through a built-in speaker or to a text display screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.