Acoustic transducer with improved electrode spacing
USRE33718E · kind E · reissue
6Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 16, 1990 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Feb 16, 2010 |
Classification
- Technology area (CPC —)General
Abstract
An acoustic transducer with an improved electret assembly mounting for providing spacings between the fixed and movable electrodes, and having as one feature the lowering of the undesired capacitance therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.