OPTICAL SYSTEM FOR SAFE STORAGE OF INFORMATION AND FOR MAKING THE STORED INFORMATION RECOGNIZABLE

OPTICAL SYSTEM FOR SAFE STORAGE OF INFORMATION AND FOR MAKING THE STORED INFORMATION RECOGNIZABLE

The method involves forming information with diffraction gratings selected from an output amount. An optical filter (5) is provided projecting into a Fourier level of a Fourier lens. The light that has passed through the grating is guided through the lens by the filter. Empty positions at an informa...

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Hauptverfasser: TOEKES SZABOLCS, ORZO LASZLO, AYOUB AHMED
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Sprache:eng
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creator TOEKES SZABOLCS
ORZO LASZLO
AYOUB AHMED
description The method involves forming information with diffraction gratings selected from an output amount. An optical filter (5) is provided projecting into a Fourier level of a Fourier lens. The light that has passed through the grating is guided through the lens by the filter. Empty positions at an information carrier are tiled from another set of grating in the amount after the selection of the former gratings for recording the information. An independent claim is also included for a device for storing the information and recognizing the stored information.
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title OPTICAL SYSTEM FOR SAFE STORAGE OF INFORMATION AND FOR MAKING THE STORED INFORMATION RECOGNIZABLE
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