Patents Assigned to Nextbus Information Systems, LLC
  • Patent number: 6150927
    Abstract: An anti-vandalism detection and alarm system is disclosed for detecting and reporting the scratching of relatively hard materials such as glass and plastic which generate characteristic sound or vibration frequencies during scratching, and for detecting and reporting the cutting and slashing of relatively soft materials such as fabric, leather and plastic.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: November 21, 2000
    Assignee: Nextbus Information Systems, LLC
    Inventor: Bryce Nesbitt