Patents Assigned to Bosch Security System , Inc.
  • ANTI-MASKING SYSTEM AND METHOD FOR MOTION DETECTORS
    Publication number: 20090303069
    Abstract: An anti-masking system and method for a motion detector includes a plurality of anti-masking components such as a spreading lens, at least one reflector located outside a housing of the motion detector, and a retroreflector located on the housing proximate to a lens. The system and method uses the plurality of anti-masking components to determine whether the lens of the motion detector has been masked by an object.
    Type: Application
    Filed: August 17, 2009
    Publication date: December 10, 2009
    Applicants: Bosch Security System , Inc., Robert Bosch GmbH
    Inventor: ROBERT H. CARL, JR.