Gyrocompass
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United States of America Patent
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Oct 3, 2006
Grant Date -
Sep 8, 2005
app pub date -
Feb 28, 2005
filing date -
Mar 3, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A gyrocompass has a liquid tank containing a supporting liquid therein, a gyrosphere floating in the liquid tank by the supporting liquid and whose central portion is rotatably supported by a center pin provided in an upper portion of the liquid tank, a gyro rotor incorporated in the gyrosphere, two dish-shaped electrodes disposed at a lower portion of the liquid tank and a lower portion of the gyrosphere, and opposed through the supporting liquid, and a pair of follow-up electrodes disposed in a vicinity of a equator of the liquid tank and opposed to be apart by 180.degree., and two belt-shaped electrodes disposed in vicinities of equators of the liquid tank and the gyrosphere in a state that the follow-up electrodes are located therebetween, and opposed through the supporting liquid, wherein electricity is fed to the gyro rotor through the dish-shaped electrodes and the belt-shaped electrodes.
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