Magnetostrictive multiple position sensing device

Details Magnetostrictive multiple position sensing device Magnetostrictive multiple position sensing device

1989-12-20

1991-09-17

Noland, Tom

Communications, electrical: acoustic wave systems and devices

Distance or direction finding

With time interval measuring means

32420724, G01B 1700, G01B 700

Patent

active

050501356

ABSTRACT:
A position monitoring device for accurately determining a plurality of distances, velocity or acceleration along a line using a plurality of electromagnets. The position monitoring device includes an ultrasound transducer disposed along a line, an ultrasound generator to provide an ultrasound wave pulse along the ultrasound transducer and a plurality of electromagnets disposed along the line at selected positions. The electromagnets generate a magnetic field which interacts with the ultrasound pulse to generate a reflected pulse. A sensor measures the time lapse between generation of the initial pulse and receipt of the reflected pulse, and electronic components convert the time lapse interval to a position measurement.

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