Patents by Inventor Robert E. Hiemenz

Robert E. Hiemenz 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).

  • System and method for detecting ballistic targets
    Patent number: 11650308
    Abstract: A radar system, comprising: a receive antenna configured to receive a receive signal reflected from a bullet, the receive signal exhibiting a Doppler shift according to the motion of the bullet; and a detector implementing a set of matched filters each configured to determine a measure of correlation between the Doppler shift of the receive signal and one of a set of pre-stored Doppler shifts, wherein each of the pre-stored Doppler shifts respectively represents the Doppler shift of a bullet passing the antenna at a different speed or a distance of a point of closest approach.
    Type: Grant
    Filed: February 8, 2021
    Date of Patent: May 16, 2023
    Assignee: SRC, INC.
    Inventors: John C. Dougherty, Robert E. Hiemenz
  • SYSTEM AND METHOD FOR DETECTING BALLISTIC TARGETS
    Publication number: 20220252715
    Abstract: A radar system, comprising: a receive antenna configured to receive a receive signal reflected from a bullet, the receive signal exhibiting a Doppler shift according to the motion of the bullet; and a detector implementing a set of matched filters each configured to determine a measure of correlation between the Doppler shift of the receive signal and one of a set of pre-stored Doppler shifts, wherein each of the pre-stored Doppler shifts respectively represents the Doppler shift of a bullet passing the antenna at a different speed or a distance of a point of closest approach.
    Type: Application
    Filed: February 8, 2021
    Publication date: August 11, 2022
    Applicant: SRC, INC.
    Inventors: John C. Dougherty, Robert E. Hiemenz
  • Constant pulse repetition frequency techniques for eliminating second time around returns in pulsed doppler radar
    Patent number: 10422869
    Abstract: The present invention relates to a method and system for identifying and eliminating second time-around ambiguous targets and, more particularly, to a method and system for identifying and eliminating second time-around ambiguous targets using waveform phase modulation.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: September 24, 2019
    Assignee: SRC, Inc.
    Inventors: Robert E. Hiemenz, Daniel D. Thomas, Jr.
  • Constant Pulse Repetition Frequency Techniques for Eliminating Second Time Around Returns in Pulsed Doppler Radar
    Publication number: 20170299709
    Abstract: The present invention relates to a method and system for identifying and eliminating second time-around ambiguous targets and, more particularly, to a method and system for identifying and eliminating second time-around ambiguous targets using waveform phase modulation.
    Type: Application
    Filed: April 17, 2017
    Publication date: October 19, 2017
    Inventors: Robert E. Hiemenz, Daniel D. Thomas, JR.
  • Constant pulse repetition frequency techniques for eliminating second time around returns in pulsed doppler radar
    Patent number: 9625574
    Abstract: The present invention relates to a method and system for identifying and eliminating second time-around ambiguous targets and, more particularly, to a method and system for identifying and eliminating second time-around ambiguous targets using waveform phase modulation.
    Type: Grant
    Filed: February 7, 2014
    Date of Patent: April 18, 2017
    Assignee: SRC, INC.
    Inventors: Robert E. Hiemenz, Daniel D. Thomas, Jr.
  • Constant Pulse Repetition Frequency Techniques for Eliminating Second Time Around Returns in Pulsed Doppler Radar
    Publication number: 20160061937
    Abstract: The present invention relates to a method and system for identifying and eliminating second time-around ambiguous targets and, more particularly, to a method and system for identifying and eliminating second time-around ambiguous targets using waveform phase modulation.
    Type: Application
    Filed: February 7, 2014
    Publication date: March 3, 2016
    Applicant: SRC, Inc.
    Inventors: Robert E. Hiemenz, Daniel D. Thomas, JR.