Patents by Inventor Gyu Deok Hwang

Gyu Deok Hwang 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: 8200115
    Abstract: An image forming apparatus capable of minimizing a temperature rise of a cover is disclosed. The image forming apparatus includes a main body, a fusing unit mounted in the main body to fuse an image to paper, a cover mounted to the main body to expose the fusing unit, a heat shielding member mounted proximate to an inner side of the cover to block heat transferred from the fusing unit, an external air circulation chamber formed between the heat shielding member and the cover, in which external air circulates by convection, and at least one external air flow hole, through which the air flows into/out of the external air circulation chamber.
    Type: Grant
    Filed: April 23, 2008
    Date of Patent: June 12, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Gyu Deok Hwang, Sung Hyuo Kim, Sun Soo Kim, Jong Woo Kim, Sung Ku Baek, Hyun Ki Cho, Je Hyoung Ryu, Tae Hee Kim
  • Patent number: 7792453
    Abstract: An image forming apparatus capable of minimizing a temperature rise of a cover by substantially preventing heat emission from a fusing device to an outside is disclosed. The image forming apparatus includes a main body, a fusing device mounted in the main body, the fusing device having an outlet to discharge paper, an opening/closing member opening and closing the outlet of the fusing device, a cam member moving the opening/closing member between a first position in which the opening/closing member closes the outlet to prevent heat in the fusing device from being emitted through the outlet and a second position in which the opening/closing member opens the outlet to permit the paper to pass through the outlet, a driving part rotating the cam member, and a control unit controlling the driving part to determine a rotational position of the cam member.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: September 7, 2010
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Ku Baek, Sung Hyup Kim, Sun Soo Kim, Gyu Deok Hwang, Jong Woo Kim, Hyun Ki Cho, Je Hyoung Ryu, Tae Hee Kim
  • Publication number: 20090052924
    Abstract: An image forming apparatus capable of minimizing a temperature rise of a cover by substantially preventing heat emission from a fusing device to an outside is disclosed. The image forming apparatus includes a main body, a fusing device mounted in the main body, the fusing device having an outlet to discharge paper, an opening/closing member opening and closing the outlet of the fusing device, a cam member moving the opening/closing member between a first position in which the opening/closing member closes the outlet to prevent heat in the fusing device from being emitted through the outlet and a second position in which the opening/closing member opens the outlet to permit the paper to pass through the outlet, a driving part rotating the cam member, and a control unit controlling the driving part to determine a rotational position of the cam member.
    Type: Application
    Filed: May 15, 2008
    Publication date: February 26, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung Ku Baek, Sung Hyup Kim, Sun Soo Kim, Gyu Deok Hwang, Jong Woo Kim, Hyun Ki Cho, Je Hyoung Ryu, Tae Hee Kim
  • Publication number: 20080304855
    Abstract: An image forming apparatus capable of minimizing a temperature rise of a cover is disclosed. The image forming apparatus includes a main body, a fusing unit mounted in the main body to fuse an image to paper, a cover mounted to the main body to expose the fusing unit, a heat shielding member mounted proximate to an inner side of the cover to block heat transferred from the fusing unit, an external air circulation chamber formed between the heat shielding member and the cover, in which external air circulates by convection, and at least one external air flow hole, through which the air flows into/out of the external air circulation chamber.
    Type: Application
    Filed: April 23, 2008
    Publication date: December 11, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Gyu Deok Hwang, Sung Hyuo Kim, Sun Soo Kim, Jong Woo Kim, Sung Ku Baek, Hyun Ki Cho, Je Hyoung Ryu, Tae Hee Kim