Patents by Inventor Allan H. Treiman

Allan H. Treiman 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: 6043893
    Abstract: Manually portable reflectance spectrometer and method of detection of absorption and reflection of light, wherein the visible and invisible (infrared) light is derived from LEDs. A phototransistor or photodiode measures the light reflected by the surface being measured, and a digital converter ADC translates the phototransistor's output into a digital format display. Three or more LEDs blue, aqua, green, yellow, orange, crimson, red and infrared provide a range of readings across the visible and infrared spectrum.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: March 28, 2000
    Assignee: Universities Space Research Association
    Inventors: Allan H. Treiman, Tad D. Shelfer