Method and device for projecting an image with improved safety

A projection device comprising a MEMS mirror which oscillates about one or more oscillation axes to scan light from one or more lasers, across a display screen, to project pixels which define an image onto a display screen is disclosed. A method comprising selecting a laser class for the projection...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	Schlachter Jeremy, Abele Nicolas
Format:	Patent
Sprache:	eng
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 ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A projection device comprising a MEMS mirror which oscillates about one or more oscillation axes to scan light from one or more lasers, across a display screen, to project pixels which define an image onto a display screen is disclosed. A method comprising selecting a laser class for the projection device; calculating relationship between maximum accessible emission limit and distance, for the selected laser class, for a predetermined number of black pixels in an image; determining the distance between a display screen and the projection device; and modifying a pixel stream which defines said image which is to be projected by the projection device, so that the pixel stream is provided with said predetermined number of black pixels is provided.