Deflection measuring system

Details Deflection measuring system Deflection measuring system

1981-02-11

1983-04-05

Myracle, Jerry W.

Measuring and testing

Surface and cutting edge testing

Roughness

340689, G01B 528

Patent

active

043786936

ABSTRACT:
A system for sensing the deviation of a surface, structure or the like from a reference axis is disclosed. A tilt sensitive transducer is used and this has two impedances the values of which vary differentially according to the angle and direction of tilt of the surface or member to which the transducer is mounted. Two equal but antiphase A.C. voltages are applied, respectively, to the two impedances and the current derived in each impedance is used to generate a D.C. voltage. The two D.C. voltages are compared to derive a difference D.C. voltage the magnitude and sign of which are dependent on the angle and direction, respectively, of tilt.

REFERENCES:
patent: 3114209 (1963-12-01), Foody et al.
patent: 4028815 (1977-06-01), Buckley et al.

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