Multi-gap head apparatus for use with a magnetic scale

Details Multi-gap head apparatus for use with a magnetic scale Multi-gap head apparatus for use with a magnetic scale

1985-08-01

1987-06-09

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

235449, 324225, 324260, 360121, 360126, G01B 702, G01B 5147, G01R 3300

Patent

active

046723170

ABSTRACT:
A multi-gap head apparatus employed in a measuring system using a magnetic scale. First and second thin plates, making up core members, are stamped out with a selected width near the center portion of alternately stacked first rolled plates and second rolled plates made of a highly permeable material and a non-magnetic material, respectively. A compensator plate is interposed between the core members in order to compensate for output distortion due to a thickness error of the first and second thin plates.

REFERENCES:
patent: 2807676 (1957-09-01), Lynn
patent: 4589038 (1986-05-01), Radtke
patent: 4603365 (1986-07-01), Nakamura

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