Patents by Inventor Shankar Durai

Shankar Durai 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: 10904403
    Abstract: The present disclosure discloses methods, systems and scanners for scanning document with varying light intensity. The method includes receiving a bound document positioned on an upper surface of a platen, for scanning, wherein the bound document, when opened for scanning, includes a flat region and a curved region. A distance between the bound document positioned on the platen and a contact image sensor (CIS) is continuously monitored and measured, to detect the curved region. Upon detection, a control command is generated to vary the intensity of the light to be emitted from a light source. Then, light with varying intensity is emitted for illuminating the curved region of the bound document. Thereafter, the light reflected from the bound document is received for capturing an image of the bound document. Finally, a digital version of the bound document is generated without any dark strip or without any distortion.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: January 26, 2021
    Assignee: Xerox Corporation
    Inventors: Shankar Durai, Saranraj Velayutham, Ramanathan Arunachalam, Anandha Kumar
  • Publication number: 20210021727
    Abstract: The present disclosure discloses methods, systems and scanners for scanning document with varying light intensity. The method includes receiving a bound document positioned on an upper surface of a platen, for scanning, wherein the bound document, when opened for scanning, includes a flat region and a curved region. A distance between the bound document positioned on the platen and a contact image sensor (CIS) is continuously monitored and measured, to detect the curved region. Upon detection, a control command is generated to vary the intensity of the light to be emitted from a light source. Then, light with varying intensity is emitted for illuminating the curved region of the bound document. Thereafter, the light reflected from the bound document is received for capturing an image of the bound document. Finally, a digital version of the bound document is generated without any dark strip or without any distortion.
    Type: Application
    Filed: July 15, 2019
    Publication date: January 21, 2021
    Applicant: Xerox Corporation
    Inventors: Shankar Durai, Saranraj Velayutham, Ramanathan Arunachalam, Anandha Kumar
  • Patent number: 10827093
    Abstract: The disclosure discloses methods and systems for intelligent copying of bound documents. The method includes receiving a selection of copying a bound document via a user interface. The user interface is presented to the user to input whether a starting page of the bound document for copying is a left-side page or a right-side page. Then, multiple pages of the bound document are scanned to generate corresponding scanned images. Finally, the generated scanned images are arranged in the same order as per the arrangement of pages in the original bound document.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: November 3, 2020
    Assignee: Xerox Corporation
    Inventors: Saranraj Velayutham, Ramanathan Arunachalam, Kalai Selvi Subramaniam, Kavin Kumar Gurusamy, Anand Babu, Shankar Durai