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| 申请号 | EP87105340.1 | 申请日 | 1987-04-10 | 公开(公告)号 | EP0242739A3 | 公开(公告)日 | 1989-02-15 |
| 申请人 | Hoyeck, Ralph Haber; | 发明人 | Hoyeck, Ralph Haber; | ||||
| 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. | ||||||
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