Microphone with stepped response
US4450930A · kind A · utility
55Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 3, 1982 |
| Grant date | May 29, 1984 |
| Priority date | — |
| Expiry date | Sep 3, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A microphone, particularly for hearing aid application, said microphone providing a stepped response characteristic relative to frequency wherein low frequency sounds will couple to the associated hearing aid with a restricted amount of amplification, while providing an emphasis or higher amplification for the higher frequencies in the bandwidth of interest.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.