Ultrasonic system

Details Ultrasonic system Ultrasonic system

1974-11-21

1977-03-22

Aegerter, Richard E.

Measuring and testing

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

Content or effect of a constituent of a liquid mixture

73 678R, 73 679, G01N 2900

Patent

active

040129527

ABSTRACT:
An ultrasonic probing system including: a recurrent electric impulse sender, several transducer devices integral with a common support and connected to said sender; receptor devices connected with said sender, wherein the transducer devices are arranged to include focal areas which together cover an extended area essentially perpendicular to the common support and the connection between the transducer and receptor devices includes means for introducing a variable transfer characteristic; and programming devices controlling said introducing means in order to cause said characteristic to vary as a function of the elapsed time after transmission of each electrical impulse whereby the system operates with an effective focal spot coinciding at each probing instant with the tested area.

REFERENCES:
patent: 3349609 (1967-10-01), Ryzhov-Nikonov et al.
patent: 3384767 (1968-05-01), Arnold et al.
patent: 3789833 (1974-02-01), Bom
patent: 3820387 (1974-06-01), Grabendorfer et al.

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