Patents by Inventor Tommy S. Segero

Tommy S. Segero 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).

  • Electret microphone
    Patent number: 4571464
    Abstract: An electret microphone comprising a rectangular metal electrode, a metallized electret film and an amplifier element encapsulated in a lower and an upper casing half. A contact element comprises a flat web portion and two prongs which are provided with tubes of electrically conductive silicon rubber. In the assembled microphone, the electret film is retained by the tubes which simultaneously provide electrical contact between the film and the amplifier element.
    Type: Grant
    Filed: June 13, 1984
    Date of Patent: February 18, 1986
    Assignee: Telefonaktiebolaget L M Ericsson
    Inventor: Tommy S. Segero