Patents by Inventor Kun-min Lim

Kun-min Lim 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 including at least two thermostats to prevent overheating of the heating roller
    Patent number: 7499658
    Abstract: An image forming apparatus, including a heat roller in which a heating source is embedded, a press roller installed close to the heat roller, the press roller contacting the heat roller with a predetermined pressurizing force to form a fixing nip, and at least two overheat prevention devices installed near the heat roller to cut off a power supply to the heating source upon an overheating of the heat roller. One of the overheat prevention devices is installed at portion of the heat roller corresponding to a location within a width of a recording medium passing through the fixing nip and another is installed at a site near an end of the heat roller corresponding to a location outside the width of the recording medium.
    Type: Grant
    Filed: August 17, 2006
    Date of Patent: March 3, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-ju Kang, Yong-whan Park, Kun-min Lim
  • Image fixing apparatus
    Publication number: 20070098418
    Abstract: An image forming apparatus, including a heat roller in which a heating source is embedded, a press roller installed close to the heat roller, the press roller contacting the heat roller with a predetermined pressurizing force to form a fixing nip, and at least two overheat prevention devices installed near the heat roller to cut off a power supply to the heating source upon an overheating of the heat roller. One of the overheat prevention devices is installed at portion of the heat roller corresponding to a location within a width of a recording medium passing through the fixing nip and another is installed at a site near an end of the heat roller corresponding to a location outside the width of the recording medium.
    Type: Application
    Filed: August 17, 2006
    Publication date: May 3, 2007
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong-ju Kang, Yong-whan Park, Kun-min Lim