Roughness sensor calibration

Details Roughness sensor calibration Roughness sensor calibration

1980-03-03

1981-07-07

Swisher, S. Clement

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

356243, G01B 528, G01B 1130

Patent

active

042767660

ABSTRACT:
A calibrator for calibrating optical sensors that contact a moving web comprising, a rotating disc mounted on an oscillated platform and in a position to be contacted by the contacting part of the optical sensor. The disc is rotated and oscillated back and forth so that the point of contact of the optical sensor changes relative to the surface of the disc back and forth along substantially spiral paths.

REFERENCES:
patent: 2715830 (1955-08-01), Lewis et al.
patent: 3832070 (1974-08-01), Cox
patent: 4035085 (1977-07-01), Seiner
patent: 4047032 (1977-09-01), Judge et al.

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