Abstract: A method and computer system architecture for providing to a computer user or to a downstream system a means of converting the content of documents including legal, policy, and compliance statements, using symbolic logic, into a logic ontology, which enables users to reason through the content of laws, policies, and procedures by means of automated reasoning. The system additionally includes a process for easily searching or navigating multiple facets of legal, policy, and compliance documents.

Abstract: A system for image generation is provided which includes a device for controlling the sweep voltages of a CRT so that realistic views of the earth can be projected on a curved screen surface from a flat transparency and for generating a haze band between the earth and sky interface of the projected scene. The preferred embodiment is an aircraft flight simulator in which real world scenes are projected and updated in accordance with simulated aircraft maneuvers. Various visual flight cures are or can be presented to an operator during training. These flight cues include a dynamic haze or cloud band along the projection of the earth and sky interface. The system permits image projection with six degrees of freedom (yaw, pitch, roll, altitude, north/south and east/west vector components) over simulated terrain. In the preferred embodiment, the haze or cloud band generation is accomplished so that it is compatible with a single projector technique.

Abstract: This light modulating device comprises three subsystems: an electron gun which produces a scanning constant intensity electron beam, a liquid crystal cell, and an appropriate optical system to deliver light to and from the modulating effects of the liquid crystal cell. The modulation is accomplished by utilizing a scanning constant intensity electron beam to deposit electrical charge through a secondary emission process on the dark side of a dielectric mirror within the liquid crystal cell, the amount of charge deposited being dependent upon the video voltage at the transparent electrode of the cell which is applied in synchronism with the scanning electron beam. In this manner a charge distribution is written on the back of the dielectric mirror which now contains all of the information within the video signal. The electrical field arising from this charge distribution in turn modulates the birefringence across the nematic phase liquid crystal.

Abstract: A method and apparatus to improve electroluminescent semiconductor display segments by decreasing the brightness of the "hot spot" located over the light emitting diode and increasing the brightness of the end portions of the segment. These improvements are accomplished by inserting a deflector into the translucent medium directly over the light emitting diode and deflecting, to the segment ends, a portion of the light that would have made up the bright "hot spot.