Patents by Inventor Natty Levy

Natty Levy 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).

  • Optical density sensor calibration and self fixing
    Patent number: 8922777
    Abstract: A method of calibrating an optical density sensor comprising calculating a first pigment solid density value of an ink solution using a current first electrical output signal value from a photodetector, a current second electrical output signal value from a photodetector, and a current lens gap value, calculating a second pigment solid density value of the ink solution using a previously measured first electrical output signal value, a previously measured second electrical output signal value, and a previously measured lens gap value, comparing the current first electrical output signal value, the current second electrical output signal value, and the current lens gap value with the previously measured first electrical output signal value, the previously measure second electrical output signal value, and the previously measured lens gap value, and comparing the first pigment solid density value with the second pigment solid density value.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: December 30, 2014
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Zvi Shemer, Ziv Gilan, Niv Shemtov, Shlomo Harush, Natty Levy, Amit Porat
  • Optical Density Sensor Calibration and Self Fixing
    Publication number: 20120320378
    Abstract: A method of calibrating an optical density sensor comprising calculating a first pigment solid density value of an ink solution using a current first electrical output signal value from a photodetector, a current second electrical output signal value from a photodetector, and a current lens gap value, calculating a second pigment solid density value of the ink solution using a previously measured first electrical output signal value, a previously measured second electrical output signal value, and a previously measured lens gap value, comparing the current first electrical output signal value, the current second electrical output signal value, and the current lens gap value with the previously measured first electrical output signal value, the previously measure second electrical output signal value, and the previously measured lens gap value, and comparing the first pigment solid density value with the second pigment solid density value.
    Type: Application
    Filed: June 14, 2011
    Publication date: December 20, 2012
    Inventors: Zvi Shemer, Ziv Gilan, Niv Shemtov, Shlomo Harush, Natty Levy, Amit Porat