COMPOSITE VARIABLE LIGHT ATTENUATOR

An optical stack includes a first variable element and a second variable element. The first variable element is configured to vary light transmission through the first variable element as a function of a first control signal. The second variable element is in series with the first variable element a...

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Bibliographische Detailangaben
Hauptverfasser:	ACKERMAN, NATHAN, ALTON, DANIEL J
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CONTACT LENSES MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES NANOTECHNOLOGY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING
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Beschreibung
Zusammenfassung:	An optical stack includes a first variable element and a second variable element. The first variable element is configured to vary light transmission through the first variable element as a function of a first control signal. The second variable element is in series with the first variable element and is configured to vary light transmission through the second variable element as a function of a second control signal. A controller dynamically supplies the first control signal to the first variable element and supplies the second control signal to the second variable element. L'invention concerne un empilement optique comprenant un premier élément variable et un second élément variable. Le premier élément variable est configuré pour faire varier une transmission de lumière à travers le premier élément variable en fonction d'un premier signal de commande. Le second élément variable est en série avec le premier élément variable et est configuré pour faire varier une transmission de lumière à travers le second élément variable en fonction d'un second signal de commande. Un dispositif de commande fournit de manière dynamique le premier signal de commande au premier élément variable et fournit le second signal de commande au second élément variable.