Abstract: A thin faux fireplace that can be installed in a wall, such as a 2?×4? wall, having a faux flame viewable from both sides of the faux fireplace. A transparent material, such as glass, is coated with a thin film having nano sized particles, and an ultra short-throw projector displays the faux flame on the thin film. A user can see object on the other side of the faux fireplace, and also view the faux flame on the thin film rooms on both sides of the transparent material.

Abstract: A method of treating a kaolin particulate material to improve one or more of its properties by removal of impurity particles therein which includes: producing a dispersed aqueous suspension of a kaolin particulate material containing at least 0.1% by weight, based on the dry weight of the kaolin particulate material of separable particulate impurity; diluting said dispersed aqueous suspension by adding a diluent thereto; adding a selective flocculation polymer to the diluted suspension; allowing the suspension containing the polymer to separate in a selective flocculation separator into layers comprising a flocculated product layer and a deflocculated impurity layer containing the separable impurity; and extracting the separated layers from the separator, wherein at least a portion of said deflocculated impurity layer is recirculated for use as at least a portion of the aforementioned diluent.

Abstract: A system and method for controlling operation of a computer based on movements and/or position of a movable object. The system includes a sensing apparatus configured to obtain positional data based on movements of a sensed object. Engine software may process the positional data and generate control commands to produce a virtual position in an application running on the computer. A visual comparator is operatively coupled with the engine software and configured to display an actual indicator and a virtual indicator to provide a visual comparison between the virtual position and the actual position of the sensed object.

Abstract: A method of treating a kaolin particulate material to improve one or more of its properties by removal of impurity particles therein which includes: producing a dispersed aqueous suspension of a kaolin particulate material containing at least 0.1% by weight, based on the dry weight of the kaolin particulate material of separable particulate impurity; diluting said dispersed aqueous suspension by adding a diluent thereto; adding a selective flocculation polymer to the diluted suspension; allowing the suspension containing the polymer to separate in a selective flocculation separator into layers comprising a flocculated product layer and a deflocculated impurity layer containing the separable impurity; and extracting the separated layers from the separator, wherein at least a portion of said deflocculated impurity layer is recirculated for use as at least a portion of the aforementioned diluent.

Abstract: A system and method for controlling a computer based on movements and/or position of a movable object. The system includes a sensing apparatus configured to obtain positional data based on movements of a sensed object. Engine software may process the positional data to produce scaled rotations of a virtual scene that correspond to actual rotations of the movable object. The engine software may also process the positional data using no more than three sensed locations on the movable object, to perform control responsive to translational movement and rotation about three perpendicular axes.

Abstract: A system and method for controlling a computer based on movements and/or position of a movable object. The system includes a sensing apparatus configured to obtain positional data based on movements of a sensed object. Engine software may process the positional data to select a determined position for the movable object, where the engine software is configured to select the determined position by selecting from among a plurality of potential positions of the sensed object that are obtainable from the positional data.

Abstract: A system and method for controlling operation of a computer based on movements and/or position of a movable object. The system includes a sensing apparatus configured to obtain positional data based on movements of a sensed object. Engine software may process the positional data and generate control commands to produce a virtual position in an application running on the computer. A visual comparator is operatively coupled with the engine software and configured to display an actual indicator and a virtual indicator to provide a visual comparison between the virtual position and the actual position of the sensed object.

Abstract: A gaze point tracking apparatus is provided having a comparator that receives a video signal corresponding to an eye image or a beacon image. The comparator produces a processed video signal that consists of two signal levels. A video processor detects and measures transitions between the two signal levels. The detected transitions are used to determine the location of a gaze point on a display.

Abstract: An eye controllable screen pointer system is provided that combines eye gaze tracking and screen tracking from the point of view of the user. Screen tracking is performed by a screen tracking camera, attached to a helmet the user is wearing. The screen tracking camera is aided by either light emitted from screen beacon located near the screen, or by a light pattern emitted from the screen itself as a screen beacon signal. The screen tracking means provides a screen tracking signal. Eye gaze tracking is performed as is known in the art, or according to a novel way described herein. An eye gaze tracking means is attached to the helmet, and provides an eye tracking signal. The information carried in the screen tracking signal and in the eye tracking signal are combined in a calculation by a processing means residing in a processor to produce a point of computed gaze on the screen.

Abstract: A gaze point tracking apparatus is provided having a comparator that receives a video signal corresponding to an eye image or a beacon image. The comparator produces a processed video signal that consists of two signal levels. A video processor detects and measures transitions between the two signal levels. The detected transitions are used to determine the location of a gaze point on a display.