Patents Examined by Cang H. Nguyen
  • Patent number: 6246476
    Abstract: A method and apparatus for controlling a moveable object relative to another object employing an optical sensing system and pattern or structure recognition. Also included is apparatus for controlling the movement of one object with respect to the other, having drive and control elements for at least one of the objects. The movement controlling apparatus has a pattern memory device and a pattern recognition device.
    Type: Grant
    Filed: March 30, 1999
    Date of Patent: June 12, 2001
    Assignee: Vitronic Dr.-Ing. Stein
    Inventors: Heiko Frohn, Norbert Lehn