Patents by Inventor Sung Un Shin

Sung Un Shin 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: 7067777
    Abstract: The present invention relates to a combined toaster and microwave oven that can obtain uniformly toasted slices of bread even when the slices of the bread are toasted successively several times. The combined toaster and microwave oven includes a key input unit for selecting user's favorite kind of the bread and baking level, a memory for storing heating time of the heaters according to the favorite kind of the bread and the favorite baking level, a temperature sensor for sensing internal temperature of the toaster, a controller for counting an elapsed time for the heaters to operate after the heaters stop and adjusting the heating time of the heaters according to the counted time and the internal temperature of the sensor.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: June 27, 2006
    Assignee: LG Electronics Inc.
    Inventors: Byeong Yong Lee, Sung Un Shin, Shin Jae Jeong, Won Kyoung Park
  • Patent number: 6946630
    Abstract: Disclosed is a combined toaster and microwave oven, including: a plurality of heaters disposed close to both surfaces of a slice of bread so as to apply a heat to the slice of bread inserted into a slot in a toaster; a control panel for selecting a bread kind and a bread baking level which a user desires; a display unit for displaying the bread kind and the bread baking level selected in the control panel; and a controller for controlling to selectively operate the heater according to the bread kind and the bread baking level selected in the control panel.
    Type: Grant
    Filed: September 3, 2003
    Date of Patent: September 20, 2005
    Assignee: LG Electronics, Inc.
    Inventors: Chang Su Lee, Sung Un Shin, Young Jin Oh
  • Publication number: 20040118835
    Abstract: Disclosed is a combined toaster and microwave oven, including: a plurality of heaters disposed close to both surfaces of a slice of bread so as to apply a heat to the slice of bread inserted into a slot in a toaster; a control panel for selecting a bread kind and a bread baking level which a user desires; a display unit for displaying the bread kind and the bread baking level selected in the control panel; and a controller for controlling to selectively operate the heater according to the bread kind and the bread baking level selected in the control panel.
    Type: Application
    Filed: October 17, 2003
    Publication date: June 24, 2004
    Inventors: Chang Su Lee, Sung Un Shin, Young Jin Oh
  • Patent number: 6005235
    Abstract: This invention relates to a cooling apparatus for a microwave oven using lighting lamps as a heat source other than microwaves. According to this invention, the microwave oven comprises a pair of lighting lamps set on the upside and downside of a cavity and a pair of cooling fans to supply airflow for cooling the lighting lamps. The airflow by the cooling fan goes towards the inner part of the microwave oven from its outer part, thereby primarily cooling the lighting lamps. In addition, part of the airflow cooling the lighting lamps is exhausted from the microwave oven through the inside cavity of the microwave oven inner air of cavity in harmony.
    Type: Grant
    Filed: November 13, 1998
    Date of Patent: December 21, 1999
    Assignee: LG Electronics, Inc.
    Inventor: Sung Un Shin