METHOD AND APPARATUS USING LIQUID CRYSTAL LIGHT VALVE TO FILTER INCIDENT LIGHT ON A PHOTODETECTOR

METHOD AND APPARATUS USING LIQUID CRYSTAL LIGHT VALVE TO FILTER INCIDENT LIGHT ON A PHOTODETECTOR

In one embodiment, light is detected using a photodetector. If the detected light is causing the photodetector to saturate, one or more liquid crystal light valves are adjusted to filter the amount of incident light on the photodetector.

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Bibliographische Detailangaben
Hauptverfasser: LIM LEN-LI K, LEE JOONOK, JAFFAR RIZAL
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
ELECTRICITY
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Beschreibung
Zusammenfassung:In one embodiment, light is detected using a photodetector. If the detected light is causing the photodetector to saturate, one or more liquid crystal light valves are adjusted to filter the amount of incident light on the photodetector.