LANDSLIDE DETECTING SENSOR AND CENTRALIZED SUPERVISORY SYSTEM USING IT

PURPOSE:To reduce the cost for power source lead-in wiring and establish a centralized supervisory system. CONSTITUTION:Pair type optical fibers 2' are laid over a place to detect landslide from the near ends, and mutually connected in the far ends to return a light. The light of a light source...

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Bibliographische Detailangaben
Hauptverfasser:	NOZAWA SHINICHIRO, SHIMAZU HIDETO, SASAKI HIROYUKI, KIMURA TOSHIMI, MIYANISHI MASATO, OGIWARA IKUO, KOSAKA YUZO
Format:	Patent
Sprache:	eng
Schlagworte:	ALARM SYSTEMS EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS SOIL SHIFTING TESTING UNDERGROUND OR UNDERWATER STRUCTURES
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