Claims
- 1. An acoustic transducer comprising:a housing having an inlet; an acoustic damper, the damper having a mesh panel encircled within a non-mesh periphery; a metallized film connected to the periphery of the damper, the film being spaced apart and substantially parallel to the mesh panel, the portion of the film adjacent the periphery of the damper capable of vibrating; and, a charged backplate mounted to the housing, the backplate having an electret material thereon, and the entire backplate spaced a distance from the film, the backplate cooperating with the film to create an electrical signal, wherein the backplate is attached to a frame, the frame being attached to the housing.
- 2. The acoustic transducer of claim 1 wherein the frame has a conduit to facilitate the transportation of an acoustic signal to the backplate.
- 3. The acoustic transducer of claim 1 wherein the non-mesh periphery is continuous.
RELATED APPLICATIONS
This application claims priority to U.S. Provisional Patent Application entitled, “Acoustic Transducer with Improved Acoustic Damper,” Ser. No. 60/184,807, filed Feb.24, 2000.
US Referenced Citations (7)
Foreign Referenced Citations (3)
Number |
Date |
Country |
0 326 040 |
Aug 1989 |
EP |
WO 9507014 |
Mar 1995 |
WO |
WO 9835530 |
Aug 1998 |
WO |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/184807 |
Feb 2000 |
US |