Patents by Inventor E. Wilmink

E. Wilmink has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electroacoustic transducer
    Patent number: 6169810
    Abstract: An electroacoustic transducer of the electret type, having a backplate situated above a diaphragm, with the backplate being provided with spacers. The diaphragm is clamped on a frame-shaped carrier located at an underside of the diaphragm. The carrier is provided with supporting portions which are vertically aligned with the spacers. In one embodiment, supporting posts are formed on the supporting portions to allow the carrier to rest on a case bottom. The resulting electroacoustic transducer can be easily assembled with a reduced risk of damage.
    Type: Grant
    Filed: April 15, 1997
    Date of Patent: January 2, 2001
    Assignee: Microtronic Nederland, B.V.
    Inventors: A. Z. van Halteren, E. Wilmink, M. de Blok, O. Geschiere, J. M. van Doorn