Acceleration sensor

Details Acceleration sensor Acceleration sensor

1987-10-23

1989-07-04

Chapman, John

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73516R, 73654, G01P 1511

Patent

active

048438774

ABSTRACT:
An acceleration sensor comprises a case having defined therein at least one accommodating chamber. At least one magnetic ball is accommodated in the accommodating chamber with a radial play left between the wall surface of the accommodating chamber and the magnetic ball. The magnetic ball is magnetically attracted to a reference position in the accommodating chamber by a magnetic field generating unit. In response to acceleration, deceleration or inclination, the magnetic ball is movable in the accommodating chamber against the attracting force of the magnetic field generating unit. The movement of the magnetic ball is detected by a detector.

REFERENCES:
patent: 2979959 (1961-04-01), Clurman
patent: 3100292 (1963-08-01), Warner et al.
patent: 4311051 (1982-01-01), Eon et al.
patent: 4365513 (1982-12-01), Iwasaki

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