DEVICE AND METHOD FOR WRITING IN A DISPLAY MATERIAL BY USING BUILT-IN WAVEGUIDE BODY

PROBLEM TO BE SOLVED: To improve displaying image information on a display material on the assumption of the contents of the description, International Patent Application No. WO 96/25009. SOLUTION: A device for writing in a display material 3, which is provided with a radiation light source 1 genera...

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Bibliographische Detailangaben
Hauptverfasser:	BUCHMANN FRANK DR, EHBRECHT MARKUS DR, HEBENSTREIT JOERK DR
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To improve displaying image information on a display material on the assumption of the contents of the description, International Patent Application No. WO 96/25009. SOLUTION: A device for writing in a display material 3, which is provided with a radiation light source 1 generating electromagnetic radiation having a wavelength with which image information can be written on a display material with the electromagnetic radiation, and a waveguide body which modulates the radiation generated from this radiation light source 1 and is built in a basic material formed as a modulator 2 having an input end 9 receiving the modulated signal containing the image information, is provided with a compensation means 6 for compensating a modulation error occurring at the time for modulating the radiation.