Non-contact measuring apparatus for the section profile of a tir

Details Non-contact measuring apparatus for the section profile of a tir Non-contact measuring apparatus for the section profile of a tir

1991-04-30

1996-04-09

Rosenberger, Richard A.

Optics: measuring and testing

By polarized light examination

With light attenuation

G01B 1124

Patent

active

055066836

ABSTRACT:
This invention comprises a sensor (40) having a slit-ray generator (41) and a camera (42), a calibration block (100) for calibrating 3-dimensional coordinate values, a computer (10) for processing 2-dimensional coordinate values of the calibration block (100) and the object (90) to obtain data of 3-dimensional space coordinate and output it to CRT (60), a robot hand (10) for moving the sensor (40) on multiple axes. Therefore, this invention can measure the section profile shape of a tire, etc. accurately and quickly.

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Ishimatsu, Kawasue et al., "Real-Time Measurement of Fry in the Cultivation Field Using a Line-Image Sensor," 4 pages No Date.
Li et al., "Subpixel Edge Detection and Estimation with a Line Scan Camera," 1987 IEEE, IECON '87, pp. 667-675.
Ishimatsu, Taguchi et al., "Acquiring 3-Dimensional Data of a Human Face Using a Laser Slit-Ray Projection Method," 6 pages no date.

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