Self-scanning apparatus having improved measuring range for meas

Details Self-scanning apparatus having improved measuring range for meas Self-scanning apparatus having improved measuring range for meas

1979-04-19

1981-09-08

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

324243, 328151, G01B 704, G01B 3312, G01N 2782, H03K 500

Patent

active

042887470

ABSTRACT:
An apparatus for measuring the contour of a conductive object to be measured, includes eddy-current distance measuring means having a plurality of detection sensors which are arranged in a row at positions along a predetermined reference line, and the sensors are sequentially energized at a predetermined scanning period so as to self-scan the distance from the surface of the object and thereby to produce for each scanning cycle a contour output signal combining the outputs of all the sensors.

REFERENCES:
patent: 3867689 (1975-02-01), Mori et al.
patent: 3997835 (1976-12-01), Ando et al.
patent: 4007358 (1977-02-01), Iguchi et al.
patent: 4030027 (1977-06-01), Yamada et al.

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