Patents by Inventor Matti Uusikartano

Matti Uusikartano 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).

  • Acoustically active element formed in a multi-layer circuit-board structure, a method for forming acoustically active element in a multi-layer circuit-board structure, and a multi-layer circuit-board structure
    Publication number: 20050213788
    Abstract: This publication discloses an acoustically active element formed in a multi-layer circuit-board structure (20, 22, 24, 25), a method for manufacturing it, and a multi-layer circuit-board structure. The acoustically active element includes an internal chamber (21) and a membrane (18) or beam arranged in connection with the internal chamber (21), which acts as a vibrating element and is connected electrically to external circuits, in order to produce or measure an acoustic effect. According to the invention, the resonance chamber (21) is formed inside the multi-layer circuit-board structure (20, 22, 24, 25), in connection with the process of manufacturing the circuit board.
    Type: Application
    Filed: May 28, 2003
    Publication date: September 29, 2005
    Applicant: Asperation Oy
    Inventors: Hannu Paarni, Terho Kutilainen, Matti Uusikartano, Auvo Penttinen