Patents by Inventor Chun-gu Han

Chun-gu Han 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).

  • Apparatus for and method of recognizing trays in a printer
    Patent number: 7397576
    Abstract: An apparatus for and method of operating a printer recognizes and allocates a unique identification (ID) to each of a plurality of trays, which are mounted in a printer as options. The apparatus includes a signal transmission unit transmitting a recognition signal to trays from a main frame of a printer, and a recognition unit reading the recognition signal from the trays, recognizing unique codes which correspond to the trays, and transmitting the unique codes of the trays to the main frame of a printer. The unique IDs of trays, which are mounted as options, can be recognized without a manual operation by a user, thereby giving convenience to the user and preventing errors from occurring during an operation of the printer.
    Type: Grant
    Filed: June 25, 2002
    Date of Patent: July 8, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Choon-ho Hong, Chun-gu Han
  • Apparatus for and method of recognizing trays in a printer
    Publication number: 20030048474
    Abstract: An apparatus for and method of operating a printer recognizes and allocates a unique identification (ID) to each of a plurality of trays, which are mounted in a printer as options. The apparatus includes a signal transmission unit transmitting a recognition signal to trays from a main frame of a printer, and a recognition unit reading the recognition signal from the trays, recognizing unique codes which correspond to the trays, and transmitting the unique codes of the trays to the main frame of a printer. The unique IDs of trays, which are mounted as options, can be recognized without a manual operation by a user, thereby giving convenience to the user and preventing errors from occurring during an operation of the printer.
    Type: Application
    Filed: June 25, 2002
    Publication date: March 13, 2003
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Choon-ho Hong, Chun-gu Han