An input assisting device for CAD operation is designed to circumvent time-consuming and conventional methods of using a mouse. The technology comprises sensors and a physical/structural framework which is most effective when constructing a three dimensional object in a free-space field. This device enhances the synergy between man and machine by optimizing the input or mechanical characteristics of the hand. The device realizes a time-saving environment and instinctive interface.

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A technology makes possible Field Emission Displays (FEDs) and Surface-conduction Electron-emitter Displays (SEDs) that can use less expensive cathode materials and types. The technology adjusts the output of the cathodes by using a monitoring circuit between the cathode and the anode. It overcomes the poor picture quality that can result from emitters operating at different levels of effectiveness. With this technology, almost any cathode can be used to manufacture display panels whose image quality is as good as display panels made from carbon nanotube cathodes.

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