HEIGHT DETECTING METHOD IN WATER

PROBLEM TO BE SOLVED: To provide an underwater level capable of improving the detection precision by measuring a pressure change by the crush of a communicating pipe and correcting it in the detection of the height position of a measuring surface in water by a device comprising a top cylinder connec...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MIZUKAWA TATSUYA, WADA HARUHISA, NAGAI KATSUFUMI, IMAMURA KAZUNORI
Format:	Patent
Sprache:	eng
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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