Optoelectronic position determination system

A system and method for accurately determining the positioning of a lens system. The lens system includes a lens and a mono-color light reflecting surface. A position sensor includes a light source and a light detector. An initial signal is sent from the light source to the monor-color light reflect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	KAUHANEN PETTERI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BASIC ELECTRIC ELEMENTS CINEMATOGRAPHY ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY ELECTROGRAPHY HOLOGRAPHY MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS TARIFF METERING APPARATUS TESTING
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Beschreibung
Zusammenfassung:	A system and method for accurately determining the positioning of a lens system. The lens system includes a lens and a mono-color light reflecting surface. A position sensor includes a light source and a light detector. An initial signal is sent from the light source to the monor-color light reflecting surface. The light reflecting surface reflects the initial signal to the light detector at a reflection region. The intensity of the reflected signal is dependent upon the distance between the reflection region and the position sensor, which is variable. An electrical output signal is generatedbased upon the reflected signal from the light source, with the electrical output signal providing positioning information for the lens system.