Patents by Inventor Yoon-tac Lee

Yoon-tac Lee 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).

  • Image forming apparatus and control method thereof
    Patent number: 8171198
    Abstract: An image forming apparatus and a control method thereof. The image forming apparatus includes a plurality of image processors which process an image to be formed on a printing medium corresponding to a plurality of colors, a processor which executes an interrupt routine with respect to the plurality of image processors, and a controller which generates an interrupt signal and transmits the interrupt signal to the processor if at least two the plurality of image processors generate interrupt requests so that the processor executes the interrupt routine.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: May 1, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong-seung Lee, Yoon-tac Lee
  • IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF
    Publication number: 20110225336
    Abstract: An image forming apparatus and a control method thereof. The image forming apparatus includes a plurality of image processors which process an image to be formed on a printing medium corresponding to a plurality of colors, a processor which executes an interrupt routine with respect to the plurality of image processors, and a controller which generates an interrupt signal and transmits the interrupt signal to the processor if at least two of the plurality of image processors generate interrupt requests so that the processor executes the interrupt routine.
    Type: Application
    Filed: May 26, 2011
    Publication date: September 15, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jong-seung LEE, Yoon-tac LEE