DEVICE FOR FORMING VISIBLE IMAGE IN AIR

The present invention relates to a device for forming a visible image which can draw a two-dimensional or a three-dimensional visible image without having a scanning locus of a laser beam recognized. The device for forming a visible image of the present invention is comprised of a laser-source irrad...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MOMIUCHI MASAYUKI, KIMURA HIDEI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ADVERTISING APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY CRYPTOGRAPHY DEVICES USING STIMULATED EMISSION DISPLAY DISPLAYING EDUCATION ELECTRICITY ELECTROGRAPHY HOLOGRAPHY LABELS OR NAME-PLATES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS SEALS SIGNS
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Beschreibung
Zusammenfassung:	The present invention relates to a device for forming a visible image which can draw a two-dimensional or a three-dimensional visible image without having a scanning locus of a laser beam recognized. The device for forming a visible image of the present invention is comprised of a laser-source irradiating a laser beam in an invisible region, a scanning means for scanning said laser beam two-dimensionally or three-dimensionally, a condensing optical system for condensing said laser beam to a drawing scheduled point in the air for plasma emission of a gas, and a controlling means for controlling oscillation timing of said laser source and scanning timing of said scanning means so as to generate said plasma emission at said drawing scheduled point in a time series and for drawing a visible image as a residual image phenomenon of the plasma emission.