Patents by Inventor Charles L. Opitz

Charles L. Opitz 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).

  • Radar apparatus for determining range to an agitated reflective target
    Patent number: 4641137
    Abstract: Improved non-cooperative radar apparatus locates and type-classifies an agitated, vibrating reflective target (e.g., a vehicle with its engine running) - whether the target is moving or stationary.A homodyne-type receiver with a cooperating band pass filter extracts a reflected, frequency-shifted energy pattern which identifies the incidence of the agitated target. In accordance with further aspects of the instant invention, the particular energy distribution for the returned, reflected wave is then compared with a stored ensemble of such distributions, or target "signatures", to type-catagorize the target.
    Type: Grant
    Filed: November 6, 1975
    Date of Patent: February 3, 1987
    Assignee: Lockheed Electronics Co., Inc.
    Inventors: Charles L. Opitz, Paul E. Chase
  • Radar apparatus for detecting an agitated reflective target
    Patent number: 4641138
    Abstract: Improved non-cooperative radar apparatus locates and type-classifies an agitated, vibrating reflective target (e.g., a vehicle with its engine running)--whether the target is moving or stationary.A homodyne-type receiver with a cooperating band pass filter extracts a reflected, frequency-shifted energy pattern which identifies the incidence of the agitated target. In accordance with further aspects of the instant invention, the particular energy distribution for the returned, reflected wave is then compared with a stored ensemble of such distributions, or target "signatures", to type-categorize the target.
    Type: Grant
    Filed: November 6, 1975
    Date of Patent: February 3, 1987
    Assignee: Lockheed Electronics Co., Inc.
    Inventor: Charles L. Opitz
  • Radar apparatus for detecting and/or classifying an agitated reflective target
    Patent number: 4490718
    Abstract: Improved non-cooperative radar apparatus locates and type-classifies an agitated, vibrating reflective target (e.g., a vehicle with its engine running)--whether the target is moving or stationary.A homodyne-type receiver with a cooperating band pass filter extracts a reflected, frequency-shifted energy pattern which identifies the incidence of the agitated target. In accordance with further aspects of the instant invention, the particular energy distribution for the returned, reflected wave is then compared with a stored ensemble of such distributions, or target "signatures", to type-catagorize the target.
    Type: Grant
    Filed: November 6, 1975
    Date of Patent: December 25, 1984
    Assignee: Lockheed Electronics Co., Inc.
    Inventors: Charles L. Opitz, Leo Slobodin
  • Radar object detector using non-linearities
    Patent number: 4053891
    Abstract: A radar object locator having a transmitter radiating carrier energy in at least one band of frequencies and a receiver tuned to a frequency different from that radiated by the transmitter whereby only a frequency band of carrier energy produced by the electrical non-linearity characteristics of particular objects is detected by the receiver.
    Type: Grant
    Filed: May 24, 1967
    Date of Patent: October 11, 1977
    Assignee: Lockheed Electronics Company
    Inventor: Charles L. Opitz