Acceleration sensor with a spherical inductance influencing memb

Details Acceleration sensor with a spherical inductance influencing memb Acceleration sensor with a spherical inductance influencing memb

1998-10-23

2000-11-21

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73493, 3336625, G01P 1511

Patent

active

061486698

ABSTRACT:
An acceleration sensor (100) includes a spherical chamber (104) accommodating a spherical member (106) made from an inductance influencing material. The member is inductively coupled to one or more coils (110) outside the chamber. A force on the sensor pulls the member to a certain position in the chamber, which position corresponds to the direction of the force. The position is measured on the basis of the self induction of the coil or coils. In a steady state, the position of the member is representative of the orientation of the sensor with respect to the field of gravity.

REFERENCES:
patent: 2979959 (1961-04-01), Clurman
patent: 3491600 (1970-01-01), Kasparian
patent: 3771370 (1973-11-01), Takagi et al.
patent: 3978715 (1976-09-01), Farstad
patent: 4365513 (1982-12-01), Iwasaki
patent: 5835077 (1998-11-01), Dao et al.

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