Patents by Inventor Andre Laffitte

Andre Laffitte 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).

  • Tomographic system having a single case on which are carried the X-ray tubes and detectors
    Patent number: 4223225
    Abstract: The invention relates to a transverse axial tomographic system using a computer.This system includes a single casing in the form of a toroid on which are carried a number of X-ray tubes that can be simultaneously or successively started very rapidly for thus irradiating a body positioned about the axis of the casing and a plurality of detectors receiving the X-rays attenuated by the body.Such a system permits tomographic slices of organs such as the heart while they are moving.
    Type: Grant
    Filed: May 11, 1979
    Date of Patent: September 16, 1980
    Assignee: Compagnie Generale de Radiologie
    Inventors: Andre Laffitte, Jacques Delair
  • Rotary anode X-ray tube
    Patent number: 4188559
    Abstract: A rotary anode X-ray tube capable of operating at very high voltages of several hundred thousand volts.The rotor and the stator of the motor for the rotary anode are electrically connected to the anode which is itself raised to a positive DC potential, while the cathode is raised at a symmetrical negative potential. The rotor and the stator are separated by a thin non-magnetic wall which makes part of the vacuum enclosure, said wall being connected to the remainder of the enclosure by means of a fold of glass.
    Type: Grant
    Filed: July 28, 1978
    Date of Patent: February 12, 1980
    Assignee: Compagnie Generale de Radiologie
    Inventors: Charles Carville, Andre Laffitte