Patents by Inventor Junhoy Kim

Junhoy Kim 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: 6236736
    Abstract: A system and method for detecting hand and item movement patterns comprising a video camera positioned to view a scene which includes therein a scanner for scanning items, wherein the video camera generates a sequence of video frames representing activity in the scene, processing means coupled to the video camera, the processing means performing steps of identifying regions of a video frame representing a hand; and tracking hand movement with respect to the scanner over a plurality of video frames. Event information descriptive of user activity at the self-service checkout terminal is generated based on the tracking information.
    Type: Grant
    Filed: February 6, 1998
    Date of Patent: May 22, 2001
    Assignee: NCR Corporation
    Inventors: Ralph N. Crabtree, Jianzhong Huang, Junhoy Kim