計測装置

Japanese Patent JP7401404

B2

The present invention is aimed to reduce power consumption of a measuring apparatus. A measuring apparatus according to the present invention is to be disposed in an excavation section of an underground excavator. The measuring apparatus according to the present invention includes a first measurement module (110), a second measurement module (120), and an information processor (130). The first measurement module includes a triaxial first accelerometer (111) and a triaxial first magnetometer (112) for performing highly-accurate measurement. The second measurement module includes a triaxial second accelerometer (121) and a triaxial second magnetometer (122) for performing measurement during excavation. The information processor controls the first measurement module and the second measurement module and obtains a position and an attitude of the excavation section based on output data of the first measurement module or the second measurement module. Further, the second accelerometer and the second magnetometer are MEMS sensors.

JP3729475	LASER LIGHT PROJECTOR
JP6767024	Gyro compass survey method
WO/2014/001710	DEVICE AND METHOD FOR MEASURING THE DIMENSIONS OF ELEMENTS OF A RAILWAY TRACK

Yoshifu Arita

JP2020119621A

December 19, 2023

July 13, 2020

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Japan Aviation Electronics Industry Co., Ltd.

G01C15/00; E21B47/024; E21B47/09

JP11508004A
JP61006714U

WO2015111713A1
US20170218745
US20180238930

Naoki Nakao
Yukio Nakamura
Munehiro Yoshimura

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