Patents Assigned to 3IP HANGUNG CO., LTD
  • Patent number: 9885546
    Abstract: A multi-contact type position detection apparatus for a target board includes a first membrane board having a plurality of first signal lines formed in a first direction, a second membrane board having a plurality of second signal lines formed in a second direction, and a plurality of dots which are formed on the first membrane board or the second membrane board such that the first membrane plate and the second membrane plate are spaced at a predetermined distance from each other, wherein the plurality of dots can be arranged at a distance of “k/2±A (A is 1%˜2% of k)” when a magnetic body diameter of a pin attached on the target board is “kmm”.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: February 6, 2018
    Assignee: 3IP HANGUNG CO., LTD
    Inventor: Kwang Hu