DISPOSITIF D'AFFICHAGE A MEMOIRE A CRISTAL SOLIDE POUR PIECE D'HORLOGERIE ELECTRONIQUE

Disclosed is an electronic timepiece display arrangement in which certain ferroelectric monocrystals having two stable optical states may be switched from one state to another by voltage pulses applied through electrodes. A polarizing filter is located past one face of the crystal and a reflecting s...

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Bibliographische Detailangaben
1. Verfasser:	JACQUES ALAIN DEVERIN
Format:	Patent
Sprache:	fre
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 ELECTRONIC TIME-PIECES FREQUENCY-CHANGING HOROLOGY 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:	Disclosed is an electronic timepiece display arrangement in which certain ferroelectric monocrystals having two stable optical states may be switched from one state to another by voltage pulses applied through electrodes. A polarizing filter is located past one face of the crystal and a reflecting surface is located past the opposite face. A second crystal and a second polarizer are employed in certain embodiments.