Patents Assigned to JDR Corporation
  • Patent number: 5871215
    Abstract: In another form of the invention an apparatus for precisely locating an associated arrow embedded in an associated target having a first center which includes a plurality of corner cube reflectors disposed having a second center with the plurality of corner cube reflectors being arrayed generally around a first side of the target. The apparatus includes a light detection and transmitting module disposed on the side of the target which is generally opposite the plurality of corner cube reflectors and generates and receives pulses of light after the light has been reflected off one of the plurality of corner cube reflectors. The apparatus includes apparatus for determining the exact location of an arrow embedded in the target.
    Type: Grant
    Filed: July 20, 1995
    Date of Patent: February 16, 1999
    Assignee: JDR Corporation
    Inventor: Russell T. Butts