Patents Assigned to Erwin Sick GmbH Optik-Eletronik
  • Monitoring apparatus in machines
    Patent number: 5486691
    Abstract: A monitoring apparatus for working machines (16) has a light curtain (11) at the entry side (14) of the working space (13). A rotational scanner (12) is also provided which scans at least the dangerous zone of the working space in a horizontal plane in order to also protect body parts of operators which enter into the working space (13).
    Type: Grant
    Filed: October 5, 1993
    Date of Patent: January 23, 1996
    Assignee: Erwin Sick GmbH Optik-Eletronik
    Inventor: Gerhard Dieterle