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ams Sensors Germany GmbH

Auf der electronica 2006: Hochpräzise Längenmessung durch Zeitmessung per Laser

Eine Innovation gefördert durch das BMWi-Programm „Innovationskompetenz mittelständischer Unternehmen (PRO INNO)“

(PresseBox) (Stutensee, )
Zur Längenmessung in Landschaftsplanung und Bauwirtschaft, bei Sicherheitssystemen und Produktionskontrollen, aber auch bei Navigationshilfen für Schiffe und Flugzeuge dient die Laufzeit eines Laserstrahls. Gemessen wird die Zeit zwischen Einschalten und Registrieren des reflektierten Laserstrahls im Messgerät. Einziger Nachteil der Messmethode ist die hohe Geschwindigkeit, mit der sich das Licht ausbreitet. In nur einer Mikrosekunde (Millionstelsekunde) legt es 300 Meter zurück. Dies stellt hohe Anforderungen an die Zeitauflösung der Messelektronik. So benötigt man für eine Messgenauigkeit von 15 Zentimetern eine zeitliche Auflösung von 1 Nanosekunde. Je genauer man die Entfernung messen will, umso höher steigt der elektronische Aufwand bei der Zeitmessung.
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The publisher indicated in each case (see company info by clicking on image/title or company info in the right-hand column) is solely responsible for the stories above, the event or job offer shown and for the image and audio material displayed. As a rule, the publisher is also the author of the texts and the attached image, audio and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.