Class D hearing aid amplifier with feedback
US5815581A · kind A · utility
29Cited by
30References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 19, 1995 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | Oct 19, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An improved hearing aid amplifier circuit employs a Class D amplifier which includes an output to input feedback loop to minimize distortion, stabilize gain, and simplify the design requirements for several circuit elements of the Class D amplifier.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.