Detecting the size and shape of bodies

Details Detecting the size and shape of bodies Detecting the size and shape of bodies

1979-07-10

1981-08-18

Krawczewicz, Stanley T.

Electricity: measuring and testing

Conductor identification or location

Inaccessible

209517, 209572, G01R 2726

Patent

active

042849470

ABSTRACT:
The size and shape of a body is determined by rolling it between the plates of capacitors, the dielectric constant of which is thereby changed. A capacitor scans sections of the body along its longitudinal axis to detect its diameter and surface faults, a second determines the body's length and a third determines the position of the body. The changes in dielectric constant are compared with those produced by a body of known size and shape so that the size and shape of the body can be determined.

REFERENCES:
patent: 2666896 (1954-01-01), Harris
patent: 3188564 (1965-06-01), Felix
patent: 3207979 (1965-09-01), Perkins
patent: 3209247 (1965-09-01), Mead et al.
patent: 3215931 (1965-11-01), Schooley, Jr.
patent: 3519922 (1970-07-01), Nash et al.
patent: 3723865 (1973-03-01), Batey et al.
patent: 3993194 (1976-11-01), Reuland
patent: 4086528 (1978-04-01), Walton
patent: 4208625 (1980-06-01), Piso

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