Patents Assigned to Advance Visual Optics Ltd.
  • Surveillance devices
    Patent number: 5495370
    Abstract: A surveillance device in the form of a fake radio aerial which projects from the roof of a vehicle. There is an upright periscope in the aerial which can rotate through 360.degree.. In the vehicle the light from the periscope is bent through 90.degree. and viewed by a camera all of which fits in the headliner space of the vehicle and so is not visible.
    Type: Grant
    Filed: January 14, 1994
    Date of Patent: February 27, 1996
    Assignee: Advance Visual Optics Ltd.
    Inventor: John Tuffen