Patents Assigned to Transdigital Communication Corp.
  • Patent number: 6384875
    Abstract: The present invention relates a video monitor display positioning system of the type in widespread use in passenger-aircraft entertainment systems and includes a housing in which a video screen is rotatably positioned for rotation between a retracted position and an extended position, but with rotary motion provided through a hydraulic system that includes a mechanical linkage from the screen to a linear motion to rotational motion actuator subassembly which is in turn actuated by a hydraulic system that includes a cylinder, two mutually opposed, hollowed pistons, an internal spring positioned within the cavity formed by the hollow pistons, a hydraulic circuit including a hydraulic oil reservoir, an electric motor that controls a hydraulic pump, a solenoid valve and an over pressure switch.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: May 7, 2002
    Assignee: Transdigital Communication Corp.
    Inventor: Richard A. Bertagna