Patents by Inventor Tracy A. Noll

Tracy A. Noll 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).

  • Balanced angular accelerometer
    Patent number: 6718826
    Abstract: A balanced angular accelerometer is provided having a substrate, a fixed electrode with a plurality of fixed capacitive plates, and a rotational inertia mass with a central opening and substantially suspended over a cavity and including a plurality of movable capacitive plates arranged to provide a capacitive coupling with the first plurality of fixed capacitive plates. The accelerometer has a central member and an outer member fixed to the substrate. According to one embodiment, a plurality of inner support arms extend between the central member and the inertia mass and a plurality of outer support arms extend between the inertia mass and the outer member to support the mass over the cavity. According to another embodiment, one or more cut out apertures are formed in the inertia mass to compensate for a channel and signal line so as to balance the inertia mass about the center of the inertia mass.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: April 13, 2004
    Assignee: Delphi Technologies, Inc.
    Inventors: Seyed R. Zarabadi, Ian D. Jay, Jack D. Johnson, John C. Christenson, Tracy A. Noll
  • Angular accelerometer having balanced inertia mass
    Patent number: 6666092
    Abstract: A balanced angular accelerometer is provided having a substrate, a fixed electrode with a plurality of fixed capacitive plates, and a rotational inertia mass with a central opening and substantially suspended over a cavity and including a plurality of movable capacitive plates arranged to provide a capacitive coupling with the first plurality of fixed capacitive plates. The accelerometer has a central member and an outer member fixed to the substrate. According to one embodiment, a plurality of inner support arms extend between the central member and the inertia mass and a plurality of outer support arms extend between the inertia mass and the outer member to support the mass over the cavity. According to another embodiment, one or more cut out apertures are formed in the inertia mass to compensate for a channel and signal line so as to balance the inertia mass about the center of the inertia mass.
    Type: Grant
    Filed: February 28, 2002
    Date of Patent: December 23, 2003
    Assignee: Delphi Technologies, Inc.
    Inventors: Seyed R. Zarabadi, Ian D. Jay, Jack D. Johnson, John C. Christenson, Tracy A. Noll
  • Angular accelerometer having balanced inertia mass
    Publication number: 20030159511
    Abstract: A balanced angular accelerometer is provided having a substrate, a fixed electrode with a plurality of fixed capacitive plates, and a rotational inertia mass with a central opening and substantially suspended over a cavity and including a plurality of movable capacitive plates arranged to provide a capacitive coupling with the first plurality of fixed capacitive plates. The accelerometer has a central member and an outer member fixed to the substrate. According to one embodiment, a plurality of inner support arms extend between the central member and the inertia mass and a plurality of outer support arms extend between the inertia mass and the outer member to support the mass over the cavity. According to another embodiment, one or more cut out apertures are formed in the inertia mass to compensate for a channel and signal line so as to balance the inertia mass about the center of the inertia mass.
    Type: Application
    Filed: February 28, 2002
    Publication date: August 28, 2003
    Inventors: Seyed R. Zarabadi, Ian D. Jay, Jack D. Johnson, John C. Christenson, Tracy A. Noll
  • BALANCED ANGULAR ACCELEROMETER
    Publication number: 20030159512
    Abstract: A balanced angular accelerometer is provided having a substrate, a fixed electrode with a plurality of fixed capacitive plates, and a rotational inertia mass with a central opening and substantially suspended over a cavity and including a plurality of movable capacitive plates arranged to provide a capacitive coupling with the first plurality of fixed capacitive plates. The accelerometer has a central member and an outer member fixed to the substrate. According to one embodiment, a plurality of inner support arms extend between the central member and the inertia mass and a plurality of outer support arms extend between the inertia mass and the outer member to support the mass over the cavity. According to another embodiment, one or more cut out apertures are formed in the inertia mass to compensate for a channel and signal line so as to balance the inertia mass about the center of the inertia mass.
    Type: Application
    Filed: February 28, 2002
    Publication date: August 28, 2003
    Inventors: Seyed R. Zarabadi, Ian D. Jay, Jack D. Johnson, John C. Christenson, Tracy A. Noll