OPTOELECTRONIC BUBBLE LEVEL

The invention relates to an apparatus and method for measuring the position of a gas bubble in a bubble level and a bubble level comprising the apparatus. The bubble level comprises a cylindrical sealed housing. The sealed housing is partially filled with liquid and contains the gas bubble. The appa...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WANG, CHANGLIN, ZU, FANFENG, ZHU, HONG, SHENG, XIPING, HE, BING
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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