Polar coordinates sensor array with rotating magnetic field driv

Details Polar coordinates sensor array with rotating magnetic field driv Polar coordinates sensor array with rotating magnetic field driv

1994-01-27

1996-11-12

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

32420717, 324228, 324243, G01B 714, G01B 730

Patent

active

055743676

ABSTRACT:
A polar coordinates sensing array, having a plurality of pick-up poles arranged in a flux balanced hexagonal configuration within a cylindrical outer pole, array driven by a rotating magnetic field within a hollow toroid core excited by sine-cosine excitation, each pole being wound with a pick-up coil for generating a plurality of polar coordinates signals representive of workpiece geometry.

REFERENCES:
patent: 2467306 (1949-04-01), Habig
patent: 2555853 (1951-06-01), Irwin
patent: 3392829 (1968-07-01), Keinanen
patent: 3617874 (1971-11-01), Forster
patent: 4495466 (1985-01-01), Lakin
patent: 4808927 (1989-02-01), Cecco et al.

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