Patents by Inventor Leo A. K. Heuvinck

Leo A. K. Heuvinck 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).

  • Patent number: 4829582
    Abstract: An electrical transducer comprising a magnet system (1), a diaphragm (5) and a voice-coil device (3, 4), coupled to the diaphragm. The voice coil (3) is situated in an air gap (2) of the magnet system and the magnet system is coupled to a chassis (7). The chassis is provided with a connection unit (10) having at least two coupling means (11, 14) each comprising a first terminal (12 and 15 respectively) for receiving an electric signal and a second terminal (13 and 16 respectively) electrically coupled to said first terminal. Each second terminal is electrically coupled to an electrical connection (20 and 21, respectively) of the voice coil via a lead (18 and 19 respectively). The leads (18, 19) are provided with a spacer (22) made of an electrically non-conductive material, for example, a plastic material (FIG. 2a).
    Type: Grant
    Filed: January 29, 1987
    Date of Patent: May 9, 1989
    Assignee: U.S. Philips Corp.
    Inventor: Leo A. K. Heuvinck