Patents by Inventor David T. F. Ely

David T. F. Ely 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).

  • Position sensor having compact arrangement of coils
    Patent number: 6522128
    Abstract: A transducer is provided for use in a position sensor which senses the position of two relatively movable members. In one form, the transducer has a plurality of sensor windings having a number of loops arranged in succession and connected in series so that signals induced in adjacent loops by a common electromagnetic field oppose each other and an excitation winding having at least one loop super-imposed on but electrically isolated from the loops of the sensor windings.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: February 18, 2003
    Assignee: Synaptics (UK) Limited
    Inventors: David T. F. Ely, Andrew N. Dames