Patents by Inventor Kie-Tak Iiyun

Kie-Tak Iiyun 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).

  • Publication number: 20090217478
    Abstract: The present invention discloses a vacuum cleaner including a main body (1) of the vacuum cleaner, a wheel (2) rotatably mounted at the body, a driving unit for driving the wheel (2), a sensor (71) positioned at the main body, for sensing an inclined direction of the main body (1), and a control unit for controlling the driving unit according to the inclined direction of the main body (1) sensed by the sensor (71). In this configuration, the posture of the main body (1) of the vacuum cleaner can be controlled according to the inverted pendulum control theory. Therefore, the main body (1) of the vacuum cleaner can maintain the posture thereof not to fall down.
    Type: Application
    Filed: August 14, 2007
    Publication date: September 3, 2009
    Applicant: LG ELECTRONICS. INC.
    Inventors: Chung-Ook Chong, Kyeong-Seon Jeong, Kie-Tak Iiyun, Seong-Koo Cho, Geun-Bae Hwang, Kyu-Chun Choi, Jin-Hyouk Shin, Jong-Kyu Jang