Patents by Inventor Philip Keller

Philip Keller 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).

  • Acquisition and display of ultrasonic images from sequentially oriented image planes
    Patent number: 5529070
    Abstract: An ultrasonic imaging system is disclosed which produces a sequence of images of planes of a subject including both image and spatial positional information of the image plane. In one embodiment the positional information is developed from a plurality of accelerometers located within a scanhead. The second integrals of the acceleration signals are used to determine positional information of the image plane. In a second embodiment a transmitter transmits a magnetic field and a receiver attached to the scanhead detects the position of the scanhead in relation to the transmitted magnetic field. Spatially related images are displayed by displaying one image plane in the plane of the display and a second image plane projected in relation thereto. Either of the displayed planes may be displayed in outline form, and the outline may be modulated to depict depth.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: June 25, 1996
    Assignee: Advanced Technology Laboratories, Inc.
    Inventors: Larry J. Augustine, Philip Keller
  • Acquisition and display of ultrasonic images from sequentially oriented image planes
    Patent number: 5353354
    Abstract: An ultrasonic imaging system is disclosed which produces a sequence of images of planes of a subject including both image and spatial positional information of the image plane. In one embodiment the positional information is developed from a plurality of accelerometers located within a scanhead. The second integrals of the acceleration signals are used to determine positional information of the image plane. In a second embodiment a transmitter transmits a magnetic field and a receiver attached to the scanhead detects the position of the scanhead in relation to the transmitted magnetic field. Spatially related images are displayed by displaying one image plane in the plane of the display and a second image plane projected in relation thereto. Either of the displayed planes may be displayed in outline form, and the outline may be modulated to depict depth.
    Type: Grant
    Filed: November 21, 1991
    Date of Patent: October 4, 1994
    Assignee: Advanced Technology Laboratories, Inc.
    Inventors: Philip Keller, Larry J. Augustine, Ronald E. Daigle
  • Volumetric ultrasonic imaging with diverging elevational ultrasound beams
    Patent number: 5305756
    Abstract: An ultrasonic transducer is provided for producing two-dimensional projection images of the interior of the body. The transducer may comprise an array of elements, acuated to produce scanning beams which are focused in the azimuthal direction and divergent in the elevation direction. The elements will, when actuated, emit fan-shaped beams which will insonify a volumetric region in front of the transducer. Echoes returning from structures within the volumetric region are acoustically integrated and projected onto a plane within the region. An image display of this plane will represent a two-dimensional projection of the volumetric region.
    Type: Grant
    Filed: April 5, 1993
    Date of Patent: April 26, 1994
    Assignee: Advanced Technology Laboratories, Inc.
    Inventors: Robert R. Entrekin, Brent S. Robinson, Philip Keller