Patents by Inventor Alexander Charles Standridge

Alexander Charles Standridge 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).

  • Patent number: 11774591
    Abstract: A lidar system is described herein. The lidar system includes a transmitter that is configured to emit a frequency-modulated lidar signal. The lidar system further includes processing circuitry that is configured to compute a distance between the lidar system and an object based upon the frequency-modulated lidar signal, the processing circuitry configured to compute the distance with a first resolution when the distance is at or beneath a predefined threshold, the processing circuitry configured to compute the distance with a second resolution when the distance is above the predefined threshold, wherein the first resolution is different from the second resolution.
    Type: Grant
    Filed: December 23, 2021
    Date of Patent: October 3, 2023
    Assignee: GM CRUISE HOLDINGS LLC
    Inventors: Scott Singer, Lutfollah Maleki, Alexander Charles Standridge, Ayan Chakrabarty
  • Patent number: 11428813
    Abstract: A lidar system is described herein. The lidar system includes a transmitter that is configured to emit a frequency-modulated lidar signal. The lidar system further includes processing circuitry that is configured to compute a distance between the lidar system and an object based upon the frequency-modulated lidar signal, the processing circuitry configured to compute the distance with a first resolution when the distance is at or beneath a predefined threshold, the processing circuitry configured to compute the distance with a second resolution when the distance is above the predefined threshold, wherein the first resolution is different from the second resolution.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: August 30, 2022
    Assignee: GM CRUISE HOLDINGS LLC
    Inventors: Scott Singer, Lutfollah Maleki, Alexander Charles Standridge, Ayan Chakrabarty
  • Patent number: 11360215
    Abstract: A lidar system is described herein. The lidar system includes a transmitter that is configured to emit a frequency-modulated lidar signal. The lidar system further includes processing circuitry that is configured to compute a distance between the lidar system and an object based upon the frequency-modulated lidar signal, the processing circuitry configured to compute the distance with a first resolution when the distance is at or beneath a predefined threshold, the processing circuitry configured to compute the distance with a second resolution when the distance is above the predefined threshold, wherein the first resolution is different from the second resolution.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: June 14, 2022
    Assignee: GM CRUISE HOLDINGS LLC
    Inventors: Scott Singer, Lutfollah Maleki, Alexander Charles Standridge, Ayan Chakrabarty
  • Publication number: 20220113415
    Abstract: A lidar system is described herein. The lidar system includes a transmitter that is configured to emit a frequency-modulated lidar signal. The lidar system further includes processing circuitry that is configured to compute a distance between the lidar system and an object based upon the frequency-modulated lidar signal, the processing circuitry configured to compute the distance with a first resolution when the distance is at or beneath a predefined threshold, the processing circuitry configured to compute the distance with a second resolution when the distance is above the predefined threshold, wherein the first resolution is different from the second resolution.
    Type: Application
    Filed: December 23, 2021
    Publication date: April 14, 2022
    Inventors: Scott Singer, Lutfollah Maleki, Alexander Charles Standridge, Ayan Chakrabarty
  • Publication number: 20210124358
    Abstract: Vehicles, systems, and techniques are provided for noise reduction in detection in remote sensing systems. Noise reduction can be accomplished, in some embodiments, by narrowing a time interval to receive return EM radiation (or, in other embodiments, EM signals representative of the return EM radiation) at a system mounted in a vehicle. The time interval can be narrowed by adjusting the time during which the system can receive the return EM radiation. In other embodiments, rather than adjusting the time interval, a processing unit can remove a portion of data representative of a signal resulting from mixing probe EM radiation and return EM radiation. The data that is removed can be representative of the signal during a leading interval of the defined period during which probe EM radiation is emitted. Such a removal can result in second data representative of the signal during a terminal interval of the defined period.
    Type: Application
    Filed: December 31, 2020
    Publication date: April 29, 2021
    Inventors: Cheh-Ming Jeff Liu, Alexander Charles Standridge
  • Patent number: 10884419
    Abstract: Vehicles, systems, and techniques are provided for noise reduction in detection in remote sensing systems. Noise reduction can be accomplished, in some embodiments, by narrowing a time interval to receive return EM radiation (or, in other embodiments, EM signals representative of the return EM radiation) at a system mounted in a vehicle. The time interval can be narrowed by adjusting the time during which the system can receive the return EM radiation. In other embodiments, rather than adjusting the time interval, a processing unit can remove a portion of data representative of a signal resulting from mixing probe EM radiation and return EM radiation. The data that is removed can be representative of the signal during a leading interval of the defined period during which probe EM radiation is emitted. Such a removal can result in second data representative of the signal during a terminal interval of the defined period.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: January 5, 2021
    Assignee: GM CRUISE HOLDINGS LLC
    Inventors: Cheh-Ming Jeff Liu, Alexander Charles Standridge
  • Publication number: 20200200904
    Abstract: A lidar system is described herein. The lidar system includes a transmitter that is configured to emit a frequency-modulated lidar signal. The lidar system further includes processing circuitry that is configured to compute a distance between the lidar system and an object based upon the frequency-modulated lidar signal, the processing circuitry configured to compute the distance with a first resolution when the distance is at or beneath a predefined threshold, the processing circuitry configured to compute the distance with a second resolution when the distance is above the predefined threshold, wherein the first resolution is different from the second resolution.
    Type: Application
    Filed: December 27, 2018
    Publication date: June 25, 2020
    Inventors: Scott Singer, Lutfollah Maleki, Alexander Charles Standridge, Ayan Chakrabarty
  • Publication number: 20200200903
    Abstract: A lidar system is described herein. The lidar system includes a transmitter that is configured to emit a frequency-modulated lidar signal. The lidar system further includes processing circuitry that is configured to compute a distance between the lidar system and an object based upon the frequency-modulated lidar signal, the processing circuitry configured to compute the distance with a first resolution when the distance is at or beneath a predefined threshold, the processing circuitry configured to compute the distance with a second resolution when the distance is above the predefined threshold, wherein the first resolution is different from the second resolution.
    Type: Application
    Filed: December 20, 2018
    Publication date: June 25, 2020
    Inventors: Scott Singer, Lutfollah Maleki, Alexander Charles Standridge, Ayan Chakrabarty
  • Publication number: 20200192387
    Abstract: Vehicles, systems, and techniques are provided for noise reduction in detection in remote sensing systems. Noise reduction can be accomplished, in some embodiments, by narrowing a time interval to receive return EM radiation (or, in other embodiments, EM signals representative of the return EM radiation) at a system mounted in a vehicle. The time interval can be narrowed by adjusting the time during which the system can receive the return EM radiation. In other embodiments, rather than adjusting the time interval, a processing unit can remove a portion of data representative of a signal resulting from mixing probe EM radiation and return EM radiation. The data that is removed can be representative of the signal during a leading interval of the defined period during which probe EM radiation is emitted. Such a removal can result in second data representative of the signal during a terminal interval of the defined period.
    Type: Application
    Filed: December 18, 2018
    Publication date: June 18, 2020
    Inventors: Cheh-Ming Jeff Liu, Alexander Charles Standridge