1D ultrasonic transducer unit for material detection

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United States of America

PATENT NO 11906293
SERIAL NO

17167076

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Abstract

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A 1D ultrasonic transducer unit for material detection, comprising a housing having securing device for securing to a surface and having at least three discrete ultrasonic transducers designed to decouple sound waves with a consistent operating frequency between 20 kHz and 400 kHz in a gaseous medium, and a control unit designed to control each ultrasonic transducer individually, wherein two ultrasonic transducers, directly adjacent to one another, are spaced apart by a distance, the 1D ultrasonic transducer unit has a sound channel per ultrasonic transducer with an input opening, associated with exactly one respective ultrasonic transducer, and an output opening, the output openings are arranged along a straight line, a distance from the directly adjacent output opening corresponds at most to the full or half the wavelength in the gaseous medium and is smaller than the corresponding distance.

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Patent Owner(s)

  • PEPPERL+FUCHS SE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Augenstein, Regine Mannheim, DE 4 5
Kaindl, Thomas Dossenheim, DE 4 5

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