Depth measuring apparatus using reflected ultrasonic beams

Details Depth measuring apparatus using reflected ultrasonic beams Depth measuring apparatus using reflected ultrasonic beams

1973-09-27

1976-02-17

Queisser, Richard C.

Measuring and testing

Liquid analysis or analysis of the suspension of solids in a...

Content or effect of a constituent of a liquid mixture

33125W, G01B 1500, G01N 2900

Patent

active

039383717

ABSTRACT:
Depth measuring apparatus especially useful for measuring the depth of cells formed in a material layer, such as a rotogravure printing cylinder. An ultrasonic transmitter/receiver is adjustably mounted to a coupling element which is adjacent a surface having cells therein whose depth is to be measured. The position of the ultrasonic transmitting/receiving unit is adjustable with respect to the coupling element so as to adjust the angle at which the ultrasonic beam is impinged upon the material layer with respect to the plane of the material layer. The coupling element itself also has adjustment means associated therewith for adjusting the angle at which the ultrasonic beam is impinged on the material layer with respect to the plane of wall portions of cells formed in the material layer.

REFERENCES:
patent: 2953017 (1960-09-01), Bincer et al.
patent: 3299696 (1967-01-01), Dickenson
patent: 3612920 (1971-10-01), Bantz
patent: 3798961 (1974-03-01), Flambard et al.

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