Patents Examined by Dan Van Nguyen
  • Cleaning robot
    Patent number: 7765635
    Abstract: A cleaning robot is provided having a drop-off detector provided on a case. The drop-off detector may be configured to contact a surface to be cleaned during movement of the robot. In this regard, the drop-off detector determines the presence or absence of a drop-off via a contact-state between the drop-off detector and the surface.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: August 3, 2010
    Assignee: LG Electronics Inc.
    Inventor: Jong Il Park