Methods and apparatus for generating and displaying holographic images utilizing a laser pointer

Disclosed are methods and apparatus for generating and displaying a select image (106) utilizing a hand-held device (100) operable to generate a coherent radiation beam and at least one phase mask (200). Each phase mask, having a first side and a second side, includes at least one phase grating (201...

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Bibliographische Detailangaben
Hauptverfasser:	MILLER, DAVID ANDREW BARCLAY, BEISSER, FRED A, KNOX, WAYNE HARVEY, MORRISON, RICK LEE, NUSS, MARTIN C
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHIC PROCESSES OR APPARATUS HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	Disclosed are methods and apparatus for generating and displaying a select image (106) utilizing a hand-held device (100) operable to generate a coherent radiation beam and at least one phase mask (200). Each phase mask, having a first side and a second side, includes at least one phase grating (201) fixed thereto. One or more of the phase masks are positioned such that the generated coherent radiation beam from the hand-held device intersects the first side of one or more phase masks, illuminating at least a portion of at least one of the phase gratings to thereby generate an image beam (105) to display the select image (106).