LANDSLIDE DETECTION SYSTEM
PROBLEM TO BE SOLVED: To remarkably reduce the amount of power consumption of a landslide detection sensor and a communication device and to allow a base station side to check abnormality of all the detection sensors. SOLUTION: A group of detection sensors are installed in the entire region having t...
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| creator | ENDO KIYOUHEI |
| description | PROBLEM TO BE SOLVED: To remarkably reduce the amount of power consumption of a landslide detection sensor and a communication device and to allow a base station side to check abnormality of all the detection sensors. SOLUTION: A group of detection sensors are installed in the entire region having the risk of landslide occurrence on the mountainside. A sub relay station is installed at a position where an ultrasonic wave emitted from the detection sensor is receivable, a relay station is installed at a position communicable from the sub relay station with a small-output radio, and a base station is installed at a safe position remote from the relay station. The detection sensor is operated when the ultrasonic wave emitted from the sub relay station or the other detection sensor is received, transmits measurement data to the sub relay station by radio at a prescribed time interval, continuously performs measurement and transmission when it is displaced due to the actual occurrence of the landslide, and emits the ultrasonic wave to the other detection sensor when it receives the ultrasonic wave from the other sensor. The sub relay station receives and transmits the measurement data from/to each detection sensor, the relay station transmits the data to the base station, and the base station records and analyzes the data. COPYRIGHT: (C)2008,JPO&INPIT |
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SOLUTION: A group of detection sensors are installed in the entire region having the risk of landslide occurrence on the mountainside. A sub relay station is installed at a position where an ultrasonic wave emitted from the detection sensor is receivable, a relay station is installed at a position communicable from the sub relay station with a small-output radio, and a base station is installed at a safe position remote from the relay station. The detection sensor is operated when the ultrasonic wave emitted from the sub relay station or the other detection sensor is received, transmits measurement data to the sub relay station by radio at a prescribed time interval, continuously performs measurement and transmission when it is displaced due to the actual occurrence of the landslide, and emits the ultrasonic wave to the other detection sensor when it receives the ultrasonic wave from the other sensor. 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SOLUTION: A group of detection sensors are installed in the entire region having the risk of landslide occurrence on the mountainside. A sub relay station is installed at a position where an ultrasonic wave emitted from the detection sensor is receivable, a relay station is installed at a position communicable from the sub relay station with a small-output radio, and a base station is installed at a safe position remote from the relay station. The detection sensor is operated when the ultrasonic wave emitted from the sub relay station or the other detection sensor is received, transmits measurement data to the sub relay station by radio at a prescribed time interval, continuously performs measurement and transmission when it is displaced due to the actual occurrence of the landslide, and emits the ultrasonic wave to the other detection sensor when it receives the ultrasonic wave from the other sensor. 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| language | eng |
| recordid | cdi_epo_espacenet_JP2008102108A |
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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS SIGNALLING SOIL SHIFTING TARIFF METERING APPARATUS TESTING TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILARSIGNALS UNDERGROUND OR UNDERWATER STRUCTURES |
| title | LANDSLIDE DETECTION SYSTEM |
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