Deceleration sensor

Details Deceleration sensor Deceleration sensor

1980-08-29

1982-12-28

Gill, James J.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

336 30, G01P 1511

Patent

active

043655130

ABSTRACT:
A deceleration sensor comprising a magnetically soft core having an electrical coil wound thereon, a permanent magnet, a spring, and a ferromagnetic member adapted to be displaced against the action of the spring in response to deceleration to thereby change the magnetic flux acting on the magnetically soft core. A pulse voltage is applied to one end of the electrical coil and a corresponding voltage drop develops across a resistor connected to the other end of the coil with a delay corresponding to a deceleration. This delay may be represented in the form of an analog voltage or digital code.

REFERENCES:
patent: 2979959 (1961-04-01), Clurman
patent: 3104552 (1963-09-01), Bouchard
patent: 3113464 (1963-12-01), Shulman
patent: 3168830 (1965-02-01), Chass
patent: 3281743 (1966-10-01), Anderson
patent: 3483759 (1969-12-01), Venetos et al.
patent: 3855528 (1974-12-01), Brown
patent: 3877314 (1975-04-01), Bernin
patent: 4140970 (1979-02-01), Blincoe
"Force and Displacement Transducers" from Electrical Engineering in Japan, vol. 99, No. 2, pp. 105-112, Feb. 1979 by Mohri et al.

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