Patents by Inventor Gunawan Sutono

Gunawan Sutono 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).

  • Scanning method and apparatus
    Patent number: 8988740
    Abstract: A scanning method and apparatus. The method comprising the steps of: measuring an ambient video level using an area sensor under the control of a processor means; and calculating a gain and/or a exposure time and/or light source power for an actual flash video level using a stored reference flash video level and the measured ambient video level such that a summation of the actual flash video level and the ambient video level yields a desired video level in a scan image of the document using the calculated gain and/or exposure time and/or light source power.
    Type: Grant
    Filed: January 4, 2011
    Date of Patent: March 24, 2015
    Assignee: Piqx Imaging Pte Ltd
    Inventors: Yew Kien Loi, Ling Chuing Goh, Swee Heng Yeo, Boon Chen Lee, Gunawan Sutono
  • SCANNING METHOD AND APPARATUS
    Publication number: 20140293370
    Abstract: A scanning method and apparatus. The method comprising the steps of: measuring an ambient video level using an area sensor under the control of a processor means; and calculating a gain and/or a exposure time and/or light source power for an actual flash video level using a stored reference flash video level and the measured ambient video level such that a summation of the actual flash video level and the ambient video level yields a desired video level in a scan image of the document using the calculated gain and/or exposure time and/or light source power.
    Type: Application
    Filed: January 4, 2011
    Publication date: October 2, 2014
    Applicant: PIQX IMAGING PTE LTD
    Inventors: Yew Kien Loi, Ling Chuing Goh, Swee Heng Yeo, Boon Chen Lee, Gunawan Sutono