MULTIAXIAL TYPE GRAVITY SENSOR

PROBLEM TO BE SOLVED: To provide a low-cost multiaxial type gravity measuring sensor which can measure a relative value of a gravity change with high accuracy, which has a design tolerance, and which is easy to manufacture.SOLUTION: A multiaxial type gravity sensor includes: a plurality of sensor un...

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Bibliographische Detailangaben
Hauptverfasser:	KOYAMA MITSUAKI, MATSUOKA TOSHIBUMI, MUTO TAKESHI, AIZAWA TAKAO
Format:	Patent
Sprache:	eng
Schlagworte:	DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS GYROSCOPIC INSTRUMENTS INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a low-cost multiaxial type gravity measuring sensor which can measure a relative value of a gravity change with high accuracy, which has a design tolerance, and which is easy to manufacture.SOLUTION: A multiaxial type gravity sensor includes: a plurality of sensor units 4a, 4b, 4c for uniaxial gravity measurement, which are arranged at an arbitrarily-selected predetermined angle to the earth axis with a predetermined attitude; and a common base 10 on which the plurality of sensor units for uniaxial gravity measurement can be accurately and surely fixed. The base 1 is made of metal which is easy to precisely machine in order to form a polygonal prism having three or more arbitrary number of fixing facets 3a, 3b, 3c on which the sensor units for uniaxial gravity measurement are arranged and a base plane having the earth axis, a column, the sensor unit fixing facets, and the base plane.