| 摘要 |
The present invention deals with guided writing and variable displays, for signs, illustrations, etc., using: (a) guiding points at the main intersections of the lines of a common symbol representing a group of symbols, letters or figures, etc., and display means in between; (b) holding means at the said guiding points and tie lines in between; (c) grooves, raised tracks, magnetic tracks, stretched strings, etc., in between the said guiding points and fillers, coverings, markings, etc., along the lines of the symbols to be displayed; (d) colorless markings or grooves as in (c) and pen markings over the selected symbols; (e) bars, inking elements, etc., in between said guiding points, connected to various command centers to print or display the required symbols; (f) series of lights on electric wires in between said guiding points, activated by various command centers; (g) light sources located at the guiding points described in (a) and projecting lights in between, along the lines of the characters to be displayed.
|
