Patents by Inventor David Alan Pechner

David Alan Pechner 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).

  • Hyperspectral imaging systems
    Patent number: 11959801
    Abstract: Shortwave infrared (SWIR) hyperspectral imaging (HSI) systems comprise a supercontinuum laser source configured to illuminate objects and a receiver comprising a spectrometer configured to receive light reflected from the objects. In some cases, hyperspectral images can be created by raster scanning of the source/receiver across a scene. The supercontinuum laser source provides active illumination to allow collection of hyperspectral imagery during day (including overcast conditions) and night.
    Type: Grant
    Filed: September 1, 2022
    Date of Patent: April 16, 2024
    Inventors: James F. Coward, David Alan Pechner, Gregory Mitchell, Ji Li
  • Hyperspectral imaging systems
    Patent number: 11435229
    Abstract: Shortwave infrared (SWIR) hyperspectral imaging (HSI) systems comprise a supercontinuum laser source configured to illuminate objects and a receiver comprising a spectrometer configured to receive light reflected from the objects. In some cases, hyperspectral images can be created by raster scanning of the source/receiver across a scene. The supercontinuum laser source provides active illumination to allow collection of hyperspectral imagery during day (including overcast conditions) and night. Additionally, the hyperspectral imaging systems can use range-gated imaging.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: September 6, 2022
    Inventors: James F. Coward, David Alan Pechner, Gregory Mitchell, Ji Li
  • HYPERSPECTRAL IMAGING SYSTEMS
    Publication number: 20200264047
    Abstract: Shortwave infrared (SWIR) hyperspectral imaging (HSI) systems comprise a supercontinuum laser source configured to illuminate objects and a receiver comprising a spectrometer configured to receive light reflected from the objects. In some cases, hyperspectral images can be created by raster scanning of the source/receiver across a scene. The supercontinuum laser source provides active illumination to allow collection of hyperspectral imagery during day (including overcast conditions) and night.
    Type: Application
    Filed: October 24, 2019
    Publication date: August 20, 2020
    Inventors: James F. Coward, David Alan Pechner, Gregory Mitchell, Ji Li
  • Thin DOCSIS in-band management for interactive HFC service delivery
    Publication number: 20040181800
    Abstract: Circuitry and processes carried out thereby are disclosed for implementing simple single tuner set top box decoders which do not require a separate tuner for an out of band management and control channel. Removable smart card conditional access circuitry and replaceable modules having decoding circuitry for different compression schemes and encoding circuitry for different format television circuits is disclosed. An embodiment with a single tuner and a full DOCSIS compatible modem which can interface to personal computers, etc. is also disclosed to make the set top box a simple, inexpensive home gateway is also disclosed.
    Type: Application
    Filed: October 2, 2003
    Publication date: September 16, 2004
    Inventors: Selim Shlomo Rakib, Paul Alan Lind, David Alan Pechner