Patents by Inventor Calvin Luu

Calvin Luu 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).

  • System, method, and computer readable medium for scanning a document having a raised image on it
    Patent number: 8564849
    Abstract: A method and system include using a scanner to copy a document containing an original image and an embossment. The method includes first scanning a front face of the document from which the original image is visible to form a first image, wherein the first scanning is conducted with a sensitivity such that the embossment is essentially not visible in the first image; increasing a sensitivity of the scanner; second scanning the document to create a second image, wherein the embossment is visible in the second image; combining the first and second images so as to obtain a reproduction image of the original image containing the embossment.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: October 22, 2013
    Assignee: Konica Minolta Laboratory U.S.A., Inc.
    Inventors: Calvin Luu, Isao Hayami
  • SYSTEM, METHOD, AND COMPUTER READABLE MEDIUM FOR SCANNING A DOCUMENT HAVING A RAISED IMAGE ON IT
    Publication number: 20110050724
    Abstract: A method and system include using a scanner to copy a document containing an original image and an embossment. The method includes first scanning a front face of the document from which the original image is visible to form a first image, wherein the first scanning is conducted with a sensitivity such that the embossment is essentially not visible in the first image; increasing a sensitivity of the scanner; second scanning the document to create a second image, wherein the embossment is visible in the second image; combining the first and second images so as to obtain a reproduction image of the original image containing the embossment.
    Type: Application
    Filed: August 25, 2009
    Publication date: March 3, 2011
    Applicant: KONICA MINOLTA SYSTEMS LABORATORY INC.
    Inventors: Calvin Luu, Isao Hayami