DISPLACEMENT MEASURING DEVICE AND DISPLACEMENT MEASURING SYSTEM

PROBLEM TO BE SOLVED: To provide a displacement measuring device for measuring displacements in three directions in a simple structure, and to provide a displacement measuring system. SOLUTION: This displacement measuring device is disposed in a layer 4 formed between a floor 2 as a base and a ceili...

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Bibliographische Detailangaben
Hauptverfasser:	SHOJI SHUICHI, NISHITANI AKIRA, NITA YOSHIHIRO, OHAKU IWAO, KATAMURA RYUTA, TANII TAKASHI, HATADA TOMOHIKO, TAKAHASHI GENICHI, SUZUKI YASUTSUGU, MATSUTANI IWAO, KANEKAWA KIYOSHI, MIURA SATORU
Format:	Patent
Sprache:	eng
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a displacement measuring device for measuring displacements in three directions in a simple structure, and to provide a displacement measuring system. SOLUTION: This displacement measuring device is disposed in a layer 4 formed between a floor 2 as a base and a ceiling 3 of a building as a displacement detection target formed so as to face the floor 2. Accordingly, the displacement measuring device 1 detects displacements of the ceiling 3 in a horizontal direction H and a vertical direction z due to, for example, disaster such as earthquake on the basis of a deviation between reception positions of a first light beam L1 and a second light beam L2. COPYRIGHT: (C)2010,JPO&INPIT